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(1 - 10 of 10)
- Title
- THE ACTOR'S ROLE IN DEVELOPING NEW PLAYS.
- Creator
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Haney, Brooke, Lee, David, University of Central Florida
- Abstract / Description
-
The constant development of new plays is vital for theatre to stay relevant. There is a desire, a yearning, a need to see the issues we face in our lives on stage in current contexts, and to watch characters living with them. The ability, as an Actor, to be an asset to the process of creating new works is invaluable. For my thesis, I discuss the role of the Actor in the process of developing new plays for the stage. I say "discuss" because I venture to guess that this role is constantly...
Show moreThe constant development of new plays is vital for theatre to stay relevant. There is a desire, a yearning, a need to see the issues we face in our lives on stage in current contexts, and to watch characters living with them. The ability, as an Actor, to be an asset to the process of creating new works is invaluable. For my thesis, I discuss the role of the Actor in the process of developing new plays for the stage. I say "discuss" because I venture to guess that this role is constantly evolving. There may be as many ways to approach the process as there are collaborative teams. Therefore, I do not suggest there is one right way in which an Actor can play a part in the process of new play development, nor do I intend this to be a comprehensive look at all the roles an Actor can play. However, I discovered some best practices, which I put into a list and seized this opportunity to cultivate my skills in these areas. My intent was to work and speak with Playwrights and Directors, learning from them what they value in an Actor at the various phases of new play development, and to nurture these skills within myself. I utilized my discoveries in the World Premiere of Triangle Logic by Debbie Lamedman. As theatre is a collaborative art, I learned to shift and adapt my role, depending on the other collaborators. While Triangle Logic was the larger focus of my thesis work, I also sought additional smaller projects, such as the workshop productions of Steven Christopher Yockey's play, Heavier ThanÂ…, part of Orlando Shakespeare Theater's PlayFest 2010, and Orlando Repertory Theater's devised play Writes of Spring, I thinK his NamE Was rick. I applied techniques I learned while working on Triangle Logic to the other new projects, where appropriate. I endeavored to evaluate each experience objectively, while recognizing that they were, by nature, subjective experiences.
Show less - Date Issued
- 2011
- Identifier
- CFE0003702, ucf:48810
- Format
- Document (PDF)
- PURL
- http://purl.flvc.org/ucf/fd/CFE0003702
- Title
- The Revenge of the Second Banana: A Female Sidekick's Survival Guide.
- Creator
-
Mason, Melissa, Weaver, Earl, Ingram, Katelyn, Lee, David, University of Central Florida
- Abstract / Description
-
I returned to school to receive an MFA in Musical Theater for many reasons, but paramount was the need to further explore and develop my range as an actress. Throughout my career, I have played a variety of roles, but none as challenging or possibly as rewarding as the man-hungry secretary "(")Charlie"(") in James Valcq''s Zombies from the Beyond, produced by the Jester Theatre in Winter Garden, FL. Performing this role allowed me to achieve one of my objectives when entering the grad program...
Show moreI returned to school to receive an MFA in Musical Theater for many reasons, but paramount was the need to further explore and develop my range as an actress. Throughout my career, I have played a variety of roles, but none as challenging or possibly as rewarding as the man-hungry secretary "(")Charlie"(") in James Valcq''s Zombies from the Beyond, produced by the Jester Theatre in Winter Garden, FL. Performing this role allowed me to achieve one of my objectives when entering the grad program at UCF: to transition from a classical ing(&)#233;nue or soubrette into a leading lady or character actress; making Zombies from the Beyond the perfect capstone to my graduate experience.During the 1950s, American cinema was filled with sci-fi movies such as Forbidden Planet, The Thing from Another World, and Invasion of the Body Snatchers. Each movie depicted an otherworldly creature as the villain (a metaphor for the relationship between the United States and the USSR) who had only one purpose: total domination. Zombies from the Beyond aptly reveals the absurdity of the hysteria and paranoia surrounding the "(")cold war"(") and the "(")space race"(") that dominated America in the 1950s. The play makes comic use of the "(")double-red agent"(") and presents the belief that the space race and cold war inevitably were tied together, while examining Russia''s dirty tactics in the struggle for power.In addition to the historical ramifications of Zombies from the Beyond, post WWII America saw an explosive growth in female empowerment. Through each female character''s thoughts and actions on stage, Valcq''s musical tackles the struggle many women faced between the new feminist ideals and old-fashioned morals. My character, Charlene "(")Charlie"(") Osmanski, is the iconic man-hungry, working girl with a big heart (aka "(")The Sidekick"(")). She is a woman very much caught between the traditional values of the 1950s and the progressive, more feminist attitudes starting to take hold in the country.After accepting the role in Zombies from the Beyond, I realized my responsibility was to breathe new life into the role of the comedic sidekick while remaining true to the original vision and traditions that had been set forth by such brave comic pioneers as Rose-Marie, Thelma Ritter, and Vivian Vance. Faced with this daunting task and the enormity of creating a role with such a prominent historical and societal lineage, I asked myself, "(")What does an actor need to know in order to become the perfect sidekick?"(")To answer this compelling question and to ensure I did not fail in my task, I researched actresses who play a similar archetype; studied the evolution of the female comedienne; examined the audience''s relationship to the sidekick; and discussed the character''s future as an integral force in contemporary theatre, all in a convenient survival guide.Ultimately, the evolution of the mainstream audience and their shifting requirements for entertainment impact the sidekick''s portrayal on stage; however, since post-modernistic audiences no longer need one definitive stereotype or archetypal character, the ideas I set forth are not finite or absolute in nature. Instead, they create a basic foundation that serves as a guide for the actor when creating a similar character while ensuring the sidekick''s place as a relevant and sustainable character for generations to come.
Show less - Date Issued
- 2011
- Identifier
- CFE0004135, ucf:49110
- Format
- Document (PDF)
- PURL
- http://purl.flvc.org/ucf/fd/CFE0004135
- Title
- An Improved Biosolid Gasifier Model.
- Creator
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McLean, Hannah, Cooper, David, Randall, Andrew, Lee, Woo Hyoung, University of Central Florida
- Abstract / Description
-
As populations increase and cities become denser, the production of waste, both sewage sludge and food biomass, increases exponentially while disposal options for these wastes are limited. Landfills have minimal space for biosolids; countries are now banning ocean disposal methods for fear of the negative environmental impacts. Agricultural application of biosolids cannot keep up with the production rates because of the accumulation of heavy metals in the soils. Gasification can convert...
Show moreAs populations increase and cities become denser, the production of waste, both sewage sludge and food biomass, increases exponentially while disposal options for these wastes are limited. Landfills have minimal space for biosolids; countries are now banning ocean disposal methods for fear of the negative environmental impacts. Agricultural application of biosolids cannot keep up with the production rates because of the accumulation of heavy metals in the soils. Gasification can convert biosolids into a renewable energy source that can reduce the amount of waste heading to the landfills and reduce our dependence on fossil fuels. A recently published chemical kinetic computer model for a fluidized-bed sewage sludge gasifier (Champion, Cooper, Mackie, (&) Cairney, 2014) was improved in this work based on limited experimental results obtained from a bubbling fluidized-bed sewage sludge gasifier at the MaxWest facility in Sanford, Florida and published information from the technical literature. The gasifier processed sewage sludge from the communities surrounding Sanford and was operated at various air equivalence ratios and biosolid feed rates. The temperature profile inside of the gasifier was recorded over the span of four months, and an average profile was used in the base case scenario. The improved model gave reasonable predictions of the axial bed temperature profile, syngas composition, heating value of the syngas, gas flow rate, and carbon conversion. The model was validated by comparing the simulation temperature profile data with the measured temperature profile data. An overall heat loss coefficient was calculated for the gasification unit to provide a more accurate energy balance. Once the model was equipped with a heat loss coefficient, the output syngas temperature closely matched the operational data from the MaxWest facility.The model was exercised at a constant equivalence ratio at varying temperatures, and again using a constant temperature with varying equivalence ratios. The resulting syngas compositions from these exercises were compared to various literature sources. It was decided that some of the reactions kinetics needed to be adjusted so that the change in syngas concentration versus change in bed temperature would more closely match the literature. The reaction kinetics for the Water-Gas Shift and Boudouard reactions were modified back to their original values previously obtained from the literature.
Show less - Date Issued
- 2015
- Identifier
- CFE0005663, ucf:50199
- Format
- Document (PDF)
- PURL
- http://purl.flvc.org/ucf/fd/CFE0005663
- Title
- Mindful Acting.
- Creator
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Lee, Terence, Reed, David, Thomas, Aaron, Ingram, Kate, University of Central Florida
- Abstract / Description
-
As we transition into a more goal-oriented society, our ability to nurture and cultivate individual growth in emotional, spiritual, and mental awareness in the performing arts has been stifled by the desire to get ahead in our modern-day race for success. This fierce struggle brings with it a risk of subconscious deterioration in mental, spiritual and emotional health. As actors in an aggressive industry, we are often faced with the monumental task of preserving our artistry while competing...
Show moreAs we transition into a more goal-oriented society, our ability to nurture and cultivate individual growth in emotional, spiritual, and mental awareness in the performing arts has been stifled by the desire to get ahead in our modern-day race for success. This fierce struggle brings with it a risk of subconscious deterioration in mental, spiritual and emotional health. As actors in an aggressive industry, we are often faced with the monumental task of preserving our artistry while competing in the industry, and we often find ourselves overwhelmed by the inescapable pressures in the business of acting. In (")Mindful Acting("), I will synthesize a metaphysical approach to actor-training centered around the concept of mindfulness, meditation and the self. The goal of my thesis is to refine and integrate pre-existing actor training methods with practices in mindfulness and meditation to reclaim the actor's artistry in life and in performance.
Show less - Date Issued
- 2019
- Identifier
- CFE0007486, ucf:52666
- Format
- Document (PDF)
- PURL
- http://purl.flvc.org/ucf/fd/CFE0007486
- Title
- The Many Pedagogies of Memoir: A Study of the Promise of Teaching Memoir in College Composition.
- Creator
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Lee, Melissa, Wallace, David, Bartkevicius, Jocelyn, Marinara, Martha, University of Central Florida
- Abstract / Description
-
This thesis examines the promise and problems of memoir in the pedagogy and practices of teaching memoir in college composition. I interviewed three University of Central Florida instructors who value memoir in composition, and who at the time of this study, were mandated to teach memoir in their composition courses. The interviews focus on three main points of interest: (1) the instructors' motivations behind their teaching of memoir, (2) how these instructors see memoir functioning in their...
Show moreThis thesis examines the promise and problems of memoir in the pedagogy and practices of teaching memoir in college composition. I interviewed three University of Central Florida instructors who value memoir in composition, and who at the time of this study, were mandated to teach memoir in their composition courses. The interviews focus on three main points of interest: (1) the instructors' motivations behind their teaching of memoir, (2) how these instructors see memoir functioning in their classes, and (3) what these instructors hope their students will gain in the process of writing the memoir essay. By analyzing these interviews, I was better able to understand the three instructors' pedagogical choices and rationales for teaching memoir in their classes. I have also collected data and research from scholarly journal articles, books, and from my experiences teaching memoir in the composition classroom. This thesis challenges the widely accepted notion that memoir and the personal in composition scholarship, pedagogy, and teaching practices are (")'touchy-feely,' 'soft,' 'unrigorous,' 'mystical,' 'therapeutic,' and 'Mickey Mouse'(") ways of meaning-making and teaching writing (Tompkins 214). My findings show that memoir in the classroom is richer and far more complex than it might appear at first, and that the teaching of memoir in composition can, in fact, be greater than the memoir essay itself. Even though each instructor I interviewed values the personal and believes memoir belongs in composition curriculum, it turns out that none of these instructors' core reasons for teaching memoir was so his or her students could master writing the memoir essay, although this was important; rather the memoir essay ultimately served in the instructors' classrooms as a conduit through which they ultimately could teach more diverse writing skills and techniques as well as intellectual concepts that truly inspired them. Since the teaching of memoir seems to be even more dynamic and versatile in process and pedagogy than many of the other essay genres traditionally taught in college composition, this thesis makes recommendations for how memoir needs to be viewed, written about, and taught in order to harness the promise of this essay genre more consistently in the discussion of composition pedagogy and in the teaching of memoir to our students in the composition classroom.Thompkins, Jane. A Life in School: What the Teacher Learned. Reading: Addison-Wesley. 1996. Print.
Show less - Date Issued
- 2012
- Identifier
- CFE0004293, ucf:49469
- Format
- Document (PDF)
- PURL
- http://purl.flvc.org/ucf/fd/CFE0004293
- Title
- Customer Relationship Marketing by Destination Marketing Organizations: Does it lead to favorable behavioral intentions to meeting planners?.
- Creator
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Lee, Jumyong, Breiter, Deborah, Wang, Youcheng, Kwun, David, Boote, David, Ro, Hee Jung, Love, Curtis, University of Central Florida
- Abstract / Description
-
In convention market, one of the fastest growing sectors in hospitality industry, meeting planners play an important role to select a destination for their event. Therefore, a good relationship with them can be a competitive advantage for a convention destination considering a fierce competition among the destinations. The objective of this study is to develop an empirically valid relationship marketing (RM) model that would verify the antecedents, mediators, and consequence of the...
Show moreIn convention market, one of the fastest growing sectors in hospitality industry, meeting planners play an important role to select a destination for their event. Therefore, a good relationship with them can be a competitive advantage for a convention destination considering a fierce competition among the destinations. The objective of this study is to develop an empirically valid relationship marketing (RM) model that would verify the antecedents, mediators, and consequence of the relationship between the destination marketing organization (DMO) and meeting planners. This study found three antecedents (i.e., customer orientation, familiarity, and reputation) of the RM mediating constructs that consist of satisfaction, trust, and commitment as well as consequence (i.e. behavioral intention) led by the RM mediators based on review of the literature. Therefore, the hypothesized relationships 1) between the antecedents and the mediators, 2) between the mediators, 3) and 3) between the mediators and the consequence in the model were tested by using structural equation modeling (SEM) with LISREL results. Eight out of eleven hypotheses were supported by the examination of path coefficients while 33 observed indicators were confirmed in the measurement model through confirmatory factor analysis (CFA). The SEM results showed the significant relationships that lead to meaningful implications in both industry and academia while this study is not immune to limitations that can be the starting points of recommendations for future studies.
Show less - Date Issued
- 2011
- Identifier
- CFE0004126, ucf:49122
- Format
- Document (PDF)
- PURL
- http://purl.flvc.org/ucf/fd/CFE0004126
- Title
- A Study of Central Florida College Students' Acceptance of the Theory of Evolution, Microevolution, Macroevolution, and Human Evolution.
- Creator
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Schleith, David, Murray, Kenneth, Baldwin, Lee, Doherty, Walter, Everett, Robert, University of Central Florida
- Abstract / Description
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In order to study the teaching and learning of the theory of evolution and determine levels of acceptance of the theory of evolution among college students studying biology in Central Florida, the Inventory of Student Evolution Acceptance, I-SEA, was administered to over 500 university students enrolled in a biology course during the Fall 2016 term. An analysis of 489 completed surveys demonstrated strong overall acceptance of the theory of evolution (average score = 103 out of 120 total...
Show moreIn order to study the teaching and learning of the theory of evolution and determine levels of acceptance of the theory of evolution among college students studying biology in Central Florida, the Inventory of Student Evolution Acceptance, I-SEA, was administered to over 500 university students enrolled in a biology course during the Fall 2016 term. An analysis of 489 completed surveys demonstrated strong overall acceptance of the theory of evolution (average score = 103 out of 120 total possible). Of all students, 78% fell into the category of very high acceptance of the theory of evolution. Students who reported attending worship services weekly or more scored statistically significantly lower on the I-SEA than students who reported attending worship services less than weekly. The level of previous high school coursework in biology(-)whether honors, or advanced biology courses were taken-- did not translate into statistically significant differences in acceptance of evolution as measured by the I-SEA. Three subscales contained within the Inventory of Student Evolution Acceptance are designed to measure student acceptance of microevolution, macroevolution, and human evolution. Students demonstrate higher levels of acceptance of microevolution than macroevolution or human evolution. These findings serve to inform educational leaders and science educators regarding students' worldview and how worldview may inform what students accept as true and valid. The I-SEA serves as a useful educational tool to inform instructional decisions in the biology classroom.
Show less - Date Issued
- 2017
- Identifier
- CFE0006792, ucf:51818
- Format
- Document (PDF)
- PURL
- http://purl.flvc.org/ucf/fd/CFE0006792
- Title
- Quasi-Experimental Study: The Effects of Virtual Covert Audio Coaching on Teachers' Transfer of Knowledge from Professional Development to Classroom Practice.
- Creator
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Jackson-Lee, Marilyn, Hines, Rebecca, Gunter, Glenda, Boote, David, Boulware, Donald, Sena, Leslie, University of Central Florida
- Abstract / Description
-
ABSTRACTA quasi-experimental multiple time series design was used to analyze and compare the impact of two types of instructional coaching, face-to-face and virtual covert audio provided with Bluetooth technology, on teacher transfer of knowledge learned in professional development into classroom practice. Teacher transfer across baseline, intervention, and maintenance phases was analyzed. The study was conducted at a public elementary school in a Florida suburban school district with...
Show moreABSTRACTA quasi-experimental multiple time series design was used to analyze and compare the impact of two types of instructional coaching, face-to-face and virtual covert audio provided with Bluetooth technology, on teacher transfer of knowledge learned in professional development into classroom practice. Teacher transfer across baseline, intervention, and maintenance phases was analyzed. The study was conducted at a public elementary school in a Florida suburban school district with approximately 750 students. Twelve teachers were randomly selected from teachers who volunteered to attend professional development. Six teachers (one from each grade level K-5) in the treatment group received virtual covert audio coaching. Six teachers (one from each grade level K-5) in the control group received face-to-face coaching.Professional development was on RallyCoach(TM), a Kagan cooperative learning structure, which allows students to interact and practice procedural learning such as calculating math algorithms, defending a point of view, or editing writing. This structure was chosen to provide teachers with an instructional tool to teach and provide students practice for the speaking and listening strand of the Common Core State Standards. RallyCoach(TM) was also chosen to increase student engagement.Data analysis included descriptive statistics and visual analysis methods. Both the control and treatment groups increased the mean (level) percentages of RallyCoachTM components implemented across time from baseline to intervention and from intervention to maintenance. There was an increasing trend line for implementation of RallyCoachTM components across phases for both study groups. The decreasing standard deviation across phases represented a decreasing variability of data and can be considered to show a treatment affect for both types of coaching. Teachers who received both types of coaching continued increased implementation into the maintenance phase when the coaching intervention was removed. Data analysis revealed an increasing percentage of student pairs providing positive student-to-student interaction with an increasing trend line and a decreasing standard deviation (reduced variability) across time over phases. Face-to-face and virtual coaching had a positive impact on student-to-student positive interaction.
Show less - Date Issued
- 2013
- Identifier
- CFE0004867, ucf:49675
- Format
- Document (PDF)
- PURL
- http://purl.flvc.org/ucf/fd/CFE0004867
- Title
- Managerial process of discount decision-making in the lodging industry: The role of human agency.
- Creator
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Lee, Seung Hyun, Croes, Robertico, Kwun, David, Rivera, Manuel, Sivo, Stephen, Bai, Xiucheng, University of Central Florida
- Abstract / Description
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Management faces a paradox in managing discrepancies between actual demand and expected demand in daily operations, thereby requiring constant adjustments in pricing under the supervision of management in the short term. The purpose of this study is to determine how discount choices are created and to understand information processing related to the pricing and discounting decision-making process as well as narrating the events, stages, and cycles of choices made by hotel managers. This study...
Show moreManagement faces a paradox in managing discrepancies between actual demand and expected demand in daily operations, thereby requiring constant adjustments in pricing under the supervision of management in the short term. The purpose of this study is to determine how discount choices are created and to understand information processing related to the pricing and discounting decision-making process as well as narrating the events, stages, and cycles of choices made by hotel managers. This study also determines the role of human judgment based on contextual factors in the decision-making process. This mixed methods research design consists of three steps: observation, classification, and association. First, the observation stage includes the careful observation, documentation, and measurement of the phenomena within the social and institutional context through structured interviews with hotel managers. Second, abstractions are classified into categories based on the attributes of the phenomena. Information attributes are categorized into static and dynamic information, and the source of information is characterized in external and internal sources. Third, the association between the category-defining attributes and the outcome observed (discount or not) is explored using conjoint analysis. This last stage attempts to investigate not only the importance of information attributes, but also the role of social-, institution-, and human agency-related influences in managers' discounting decisions.The major findings of the study are as follows. First, habitual practices are identified to show how the classification of events, activities, and institutions are put into practice as managers have developed their own knowledge and practices over time. Such practices become routine over time when managers encounter a similar problem, disequilibrium. Conventions such as the (")less than 35 rule,(") the (")80:20 rule,(") the call around, following suit, and trial and error are manifestations of the coping strategy for the hamstrung complexity in the hospitality industry. Human agency and its perception of reality within a specific context infuse meaning into business practices. The critical role of managers is recognized in making discount decisions as they use a collection of complex patterns in the lodging industry to perceive meaningful patterns in the environment to make a final judgment.The focus on the process of discount decision making allows for detecting how environmental stimuli are watched by managers with deeply held views. Managers use certain rules and patterns to complete their information search. Hotel managers place different values on the information attributes in making a discount choice. The average importance of an attribute represents how important it is to managers when making their discount choices. The results indicate that managers consider the booking window to be the most preferred information, followed by competitors' room rates, the potential for cancelation, and occupancy rate.A discount choice is the product of human agency and social forces over time, distinct from the rational model. Different hotel operation structures and human agencies seek to make a difference in the process of discount decision making. Hotels in Road Warriors, which are smaller in size, are not located near major attractions but seem to fill the need for leisure travelers passing by the highways. Less competition exists because the regional area does not serve as a main attraction. These hotels in Road Warriors thus place great importance on the booking window and potential for cancellation when considering offering a discount. If they do not see enough reservations in the short term and foresee the potential for cancellation, hotels in Road Warriors tend to make a discount choice. These hotels do not seem to indulge in implementing other pricing strategies, but do drop the rate. Hotels in Stars in the Universe, which are larger in size and affiliated with chains/brands, are located near the main attractions (e.g., beach, downtown, or convention center). Hotels in Stars in the Universe consider the booking window to be the most critical information, followed by competitors' room rates, occupancy rate, and potential for cancellation. The extent of how much time is left before an arrival date serves as the most important piece of information in making a discount choice. These hotels emphasize knowledge of competitors' room rates as these hotels have many competitors around and consistently compete for more market shares in the area. Moreover, human agency, mostly grounded in industry tenure and age, determines how managers process discount choices. Market Movers consists of more experienced and educated, older, and predominantly male experts. These general managers, assistant general managers, or revenue managers have gained knowledge and know-how during their extended experience in the industry. Managers in Market Movers focus importance on the booking window, followed by competitors' room rates, occupancy rate, and potential for cancellation. They monitor bookings ahead of time and consider offering a discount as the arrival nears. Managers in Market Movers also show great concern for competitors' room rates. They compare their rates to competitors' in order to ensure that their own rates do not go over competitors' room rates. Managers in Entourage are considered to be younger, less experienced, and less educated. Most managers in Entourage work in marketing/sales or front desk/operations and tend to follow and attend to the industry leaders. These novices try several trials and make errors along the way, but become rising stars in the industry when their trial-and-error approach succeeds. Entourage's discount choice is influenced more by the booking window, followed by potential for cancellation, competitors' room rates, and occupancy rate. Managers in Entourage consider the booking window to be the most critical in making a discount choice, and they act quickly to offer a discount when an arrival date nears. They tend to respond to immediate changes in booking; thus, the potential for cancellation determines the discount choice among Entourage managers. The main theoretical contribution of this study is to demonstrate that managerial frameworks based on a rational premise are not complete. These frameworks should be complemented with a human judgment framework, which provides a richer account of how managers in the lodging industry approach complex price-setting situations. Managerial discounting decision making often falls short of the purely rational model for managers and is bounded by nature. Managers are not always rational in compiling and assessing information leading to discounting that is compatible with the accessibility to information and the computational capacity. The human judgment process, discovered and examined in this study, provides a richer understanding of the process of discounting in the lodging industry. This process is featured by a non-conscious processing of information; the retrieval of the information is based on associations of patterns; the context in which this processing occurs is high paced; and the outcome of the decision is imbued with judgments.In terms of managerial implications, this study enables hotel managers to learn under what conditions other managers consider making discount choices. Information attributes such as the booking window and competitors' room rates are thought to be more valuable than other information. Managers should observe booking windows carefully when making a discount choice. Managers should pay close attention to bookings more in advance so that they detect discrepancies between forecasting and reality in a timely manner. If so, managers can make operational adjustments to rate strategies by controlling not only room rates, but also length of stay (LOS) and channels. Limitations and suggestions for future research are also discussed.
Show less - Date Issued
- 2014
- Identifier
- CFE0005196, ucf:50645
- Format
- Document (PDF)
- PURL
- http://purl.flvc.org/ucf/fd/CFE0005196
- Title
- Modeling Mass Transfer and Assessing Cost and Performance of a Hollow Fiber Nanofiltration Membrane Process.
- Creator
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Yonge, David, Duranceau, Steven, Sadmani, A H M Anwar, Lee, Woo Hyoung, Clausen, Christian, University of Central Florida
- Abstract / Description
-
Bench-scale water treatment testing of three next generation hollow-fiber (HF) nanofiltration (NF) membranes was conducted to characterize divalent ion rejection capabilities and investigate removal mechanisms. Existing mathematical models were investigated to describe solute transport using synthetic magnesium sulfate solutions including the size exclusion model, homogenous solution diffusion (HSD) model, dimensional analysis, and the HSD model incorporating film theory. Solute transport for...
Show moreBench-scale water treatment testing of three next generation hollow-fiber (HF) nanofiltration (NF) membranes was conducted to characterize divalent ion rejection capabilities and investigate removal mechanisms. Existing mathematical models were investigated to describe solute transport using synthetic magnesium sulfate solutions including the size exclusion model, homogenous solution diffusion (HSD) model, dimensional analysis, and the HSD model incorporating film theory. Solute transport for two of the membranes were described by HSD theory and were predictive of their 90% divalent ion removal. A third membrane was more accurately modeled using size exclusion and was found to be predictive of its 40% divalent ion rejection. Feed ionic strength variation was shown to significantly impact rejection. In this work, semi-empirical models were developed to describe solute transport under varying feed ionic strength conditions. Bench-scale testing of aerated groundwater confirmed the HFNF membrane divalent ion rejection capabilities. Pilot testing of a commercially available HFNF membrane was shown to remove divalent ions and dissolved organic carbon (DOC) by 10% and 25%, respectively. Financial evaluations indicated that HFNF offered cost savings over traditional spiral-wound (SW) NF, $0.60/kgal versus $0.85/kgal operating costs, respectively. Traditional SWNF membranes produced superior water quality achieving 90% divalent ion removal and 96% DOC removal but required media and membrane filtration pretreatment. When considering the costs of constructing a new 2 million gallon per day (permeate) HFNF process, conceptual cost comparisons revealed that HFNF technologies could reduce capital costs by approximately $1 million, and operating costs by $0.27/kgal for an 85% recovery plant.
Show less - Date Issued
- 2016
- Identifier
- CFE0006549, ucf:51346
- Format
- Document (PDF)
- PURL
- http://purl.flvc.org/ucf/fd/CFE0006549
