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Dissertations / Theses on the topic 'Flat Plate Solar Colletor'

Author: Grafiati

Published: 5 September 2021

Last updated: 29 July 2025

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1

Vestlund, Johan. "Gas-filled, flat plate solar collectors." Doctoral thesis, Högskolan Dalarna, Energi och miljöteknik, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:du-6182.

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This work treats the thermal and mechanical performances of gas-filled, flat plate solar collectors in order to achieve a better performance than that of air filled collectors. The gases examined are argon, krypton and xenon which all have lower thermal conductivity than air. The absorber is formed as a tray connected to the glass. The pressure of the gas inside is near to the ambient and since the gas volume will vary as the temperature changes, there are potential risks for fatigue in the material. One heat transfer model and one mechanical model were built. The mechanical model gave stresse

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2

Reiter, Christoph Nikolaus. "Polymeric solar-thermal flat-plate collectors." Thesis, De Montfort University, 2014. http://hdl.handle.net/2086/10755.

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State-of-the-art solar-thermal flat-plate collectors suffer from a limited potential to decrease production costs for the necessary higher economic benefit of so-lar-thermal systems. Costly metallic materials and corresponding manufactur-ing processes prevent further cost reductions. For that issues, plastic materials can offer a promising approach. The main hurdle for the use of cost-effective plastics lies in the high thermal loads on the collector components — absorber and insulation — which were identified in a field-testing. The necessary overheating protection approaches to lower these t

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3

Linde, Daniel. "Evaluation of a Flat-Plate Photovoltaic Thermal (PVT) Collector prototype." Thesis, Högskolan Dalarna, Energiteknik, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:du-24061.

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This Master thesis, in collaboration with Morgonsol Väst AB, was completed as a part of the Solar Energy engineering program at Dalarna University. It analyses the electrical and thermal performance of a prototype PVT collector developed by Morgonsol Väst AB. By following the standards EN 12975 and EN ISO 9806 as guides, the thermal tests of the collector were completed at the facility in Borlänge. The electrical performance of the PVT collector was evaluated by comparing it to a reference PV panel fitted next to it. The result from the tests shows an improved electrical performance of the PVT

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4

Perumattil, Jose Rose Mary. "The analysis of flat plate solar collector with double-axis solar tracking." Thesis, Högskolan i Halmstad, Akademin för ekonomi, teknik och naturvetenskap, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:hh:diva-38932.

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5

Munich, Chad Thomas. "Modeling of the Thermal Output of a Flat Plate Solar Collector." Thesis, The University of Arizona, 2013. http://hdl.handle.net/10150/293541.

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Traditionally, energy capture by non-concentrating solar collectors is calculated using the Hottel-Whillier Equation (HW): Q(u)=A(c)*F(r)*S-A(c)*F(r)*U(l)*(T(fi)-Tₐ), or its derivative: Q(u)=A(c)*F(r)*S-A(c)*F(r)*U(l)*((T(fi)-T(fo))/2-Tₐ). In these models, the rate of energy capture is based on the collector's aperture area (A(c)), collector heat removal factor (F(r)), absorbed solar radiation (S), collector overall heat loss coefficient (U(l)), inlet fluid temperature (T(fi)) and ambient air temperature (Tₐ). However real-world testing showed that these equations could potentially show signif

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6

Johansson, Helena. "Nocturnal cooling : Study of heat transfer from a flat-plate solar collector." Thesis, Karlstad University, Faculty of Technology and Science, 2008. http://urn.kb.se/resolve?urn=urn:nbn:se:kau:diva-1523.

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<p>This thesis investigates the possibility of using an unglazed flat-plate solar collector as a cooling radiator. The solar collector will be connected to the condenser of a heat pump and used as cooler during nighttime. Daytime the solar collector will be connected to the evaporator of the heat pump and used as heat source. The two widely differing fields of application make special demands on the solar collector. The task is given by the heat pump manufacturer Thermia and the main objective is to find out whether a solar collector should be used as a cooler or not. The performance of the so

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7

Hasan, Atiya. "Review of solar thermoelectric energy conversion and analysis of a two cover flat-plate solar collector." Thesis, Massachusetts Institute of Technology, 2007. http://hdl.handle.net/1721.1/40435.

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Thesis (S.B.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 2007.<br>"February 2007."<br>Includes bibliographical references (p. 47-48).<br>The process of solar thermoelectric energy conversion was explored through a review of thermoelectric energy generation and solar collectors. Existing forms of flat plate collectors and solar concentrators were surveyed. A thermal analysis of a common two-cover flat plate solar collector was then performed. The model focused specifically on radiation absorption through the cover system and radiation and convection losses from the

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8

Sicner, Karen Maffitt. "A method for sizing flat plate solar collectors for space and hot water heating." Thesis, Georgia Institute of Technology, 1986. http://hdl.handle.net/1853/21750.

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9

Zambolin, Enrico. "Theoretical and experimental study of solar thermal collector systems and components." Doctoral thesis, Università degli studi di Padova, 2011. http://hdl.handle.net/11577/3422853.

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Flat-plate and evacuated tube collectors are the most widely used device to convert solar radiation into heat. In conventional applications they can provide energy for domestic hot water or space heating in combination with low water temperature systems. Testing of thermal efficiency and optimisation of these solar thermal collectors are addressed and discussed in the present work. A new set of experimental data has been used to evaluate the performance of flat-plate and evacuated collectors at various conditions. Efficiency is measured following the standard EN 12975: standard efficiency cu

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10

Ehrmann, Nicole [Verfasser]. "Development of selective coating systems for solar-thermal flat-plate collectors / Nicole Ehrmann." Hannover : Technische Informationsbibliothek und Universitätsbibliothek Hannover (TIB), 2012. http://d-nb.info/1025758293/34.

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11

Rodrigues, Felipe Pereira. "Manufacturing process and study of a selective surface for flat plate solar collectors by using granite residue." Universidade Federal do CearÃ, 2014. http://www.teses.ufc.br/tde_busca/arquivo.php?codArquivo=12587.

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CoordenaÃÃo de AperfeiÃoamento de Pessoal de NÃvel Superior<br>The using of alternatives materials to replace selective surfaces is a natural trend, because it usually looks for improvements on efficiency of surfaces at the same time that it tries to reduce costs. Composites are already used on obtainment of some selective surfaces, however, if the possibility to use residue that would be discarded was associated to these characteristics, providing an added-value, it would brings some benefits like a possible reduction of manufacturing costs. Thus, this thesis proposes the obtainment and study

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12

Sumair, Faisal Ahmed. "Preparation and characterisation of eutectic nanofluids for heat transfer enhancement in flat plate solar collectors." Thesis, University of Nottingham, 2018. http://eprints.nottingham.ac.uk/48390/.

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Use of thermal energy storage (TES) materials in solar collectors is known to be the most effective way of storing thermal energy. The most conventional and traditional heat storage element is water. However, due to low thermal conductivity (TC) in vapor state its applications as a heat storage medium are limited. An alternative option is to utilize organic and inorganic TES materials as they both operate at low and medium temperature ranges. Organic TES materials such as paraffins are non-corrosive and possess high latent heat capacity. On the contrary, inorganic TES materials possess high de

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13

Nalis, Amrizal. "Quasi-Dynamic Characterization of Hybrid Photovoltaic/Thermal (PV/T) Flat-Plate Collectors." Doctoral thesis, Universitat de Lleida, 2012. http://hdl.handle.net/10803/84100.

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Un model híbrid transitòria fotovoltaic / tèrmic ha estat desenvolupat i validat experimentalment. La metodologia s'estén el model tèrmic quasi-dinàmica s'indica a la norma EN 12975 per involucrar el rendiment elèctric i estudiar el comportament dinàmic minimitzar les limitacions de l'hora de caracteritzar el col • lector. Una es mou cap enrere procediment mitjà de filtrat s'ha aplicat per millorar la resposta del model de condicions de treball variables. Quant a la part elèctrica, el model inclou les dependències tèrmiques i la radiació en les seves variables. Els resultats van revelar que el

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14

Riess, Hermann. "Simulation, testing and design of a fully adhesive bonded flat plate solar collector for highly automated production." Thesis, De Montfort University, 2017. http://hdl.handle.net/2086/15041.

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This thesis presents simulation results and experimental data for a collector type with an all-round supported absorber and a fully adhesive edge bond that is produced on a highly automated production line. A literature review discussing measures to reduce the convective heat loss in flat plate collectors as well as on the status quo of the collector production was conducted. It was determined that an adaption of an existing automated production technique from the insulated glazing industry opens new paths towards a collector design allowing a mass production and an improved thermal collector

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15

Hobbi, Alireza. "Design of solar water heating systems for cold climate and study of heat transfer enhancement devices in flat-plate solar collectors." Thesis, Connect to online version, 2007. http://proquest.umi.com/pqdweb?did=1394676661&sid=2&Fmt=2&clientId=10306&RQT=309&VName=PQD.

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16

Charlesworth, Peter S. "A full-scale and model study of convective heat transfer from roof mounted flat-plate solar collectors." Thesis, University of Sheffield, 1986. http://etheses.whiterose.ac.uk/5993/.

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This study is concerned with the convective heat transfer, due to the action of the wind, from the upper surface of roof mounted flat plate solar collectors. The ability to predict the quantity of heat transferred from a collector, in this manner, is necessary in order to facilitate the evaluation of the overall efficiency of a collector panel. Previous methods of determining this convection coefficient have generally relied upon extrapolations of small scale wind tunnel results to full-scale values. The validity of these methods is questionable, and it was found that there was a lack of full-

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17

Deshpande, Dhananjay D. "Computer Modeling Of A Solar Thermal System For Space Heating." Wright State University / OhioLINK, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=wright1484142894264319.

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18

Jesudhason, Maria Therasammal Terry Bruno. "Analysis of the Impact of Solar Thermal Water Heaters on the Electrical Distribution Load." Thesis, Virginia Tech, 2011. http://hdl.handle.net/10919/35302.

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In this research, the impact of solar thermal water heaters on the electric water heating load curve in a residential distribution circuit is analyzed with realistic hot water draw profiles. For this purpose, the electric and solar thermal water heater models are developed in MATLAB and validated with results from GridLAB-D and TRNSYS respectively. The solar thermal water heater model is developed for two types of collectors namely the flat plate and evacuated glass tube collector. Simulations are performed with the climate data from two cities - Madison, WI and Tampa, FL - which belong to two

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19

Iordanou, Grigorios. "Flat-plate solar collectors for water heating with improved heat transfer for application in climatic conditions of the Mediterranean Region." Thesis, Durham University, 2009. http://etheses.dur.ac.uk/174/.

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The aim of this research project is to improve the thermal performance of passive flat plate solar collectors using a novel cost effective enhanced heat transfer technique. The project work focuses on the process of energy conversion from the collector to the working fluid. This is accomplished by employing an aluminium grid placed in the channels of a collector to induce a gradient of heat capacitance. This novel technique is tested both theoretically by means of simplistic designs using Computational Fluid Dynamics (CFD) and experimentally using two unglazed collectors. One collector has the

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20

Sari, Ozgur Gokmen. "Exergy Analysis Of A Solar Assisted Absorption Heat Pump For Floor Heating System." Master's thesis, METU, 2004. http://etd.lib.metu.edu.tr/upload/2/12604765/index.pdf.

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Solar assisted single-stage absorption heat pump (AHP) was used to supply energy to a floor-heating system by using the exergy methods. An existing duplex-house,in Ankara, with a heating load of 25.5 kW was analysed. Heating loads of the spaces in the building were calculated and a floor heating panel was modelled for each space leading to the capacity of the AHP before it was designed. Solar energy was delivered to the evaporator and high temperature heat input delivered to the genarator are met by auxiliary units operating with natural gas.The solar energy gained by flat-plate collectors was

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21

Leitão, José Maurício de Moura. "Estudo de materiais poliméricos para a plicação em coletores solares planos." Universidade do Vale do Rio dos Sinos, 2018. http://www.repositorio.jesuita.org.br/handle/UNISINOS/7650.

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Submitted by JOSIANE SANTOS DE OLIVEIRA (josianeso) on 2019-03-13T15:52:53Z No. of bitstreams: 1 José Maurício de Moura Leitão_.pdf: 2775602 bytes, checksum: b3838f30f897415be8b7b629885f3a15 (MD5)<br>Made available in DSpace on 2019-03-13T15:52:53Z (GMT). No. of bitstreams: 1 José Maurício de Moura Leitão_.pdf: 2775602 bytes, checksum: b3838f30f897415be8b7b629885f3a15 (MD5) Previous issue date: 2018-11-21<br>CAPES - Coordenação de Aperfeiçoamento de Pessoal de Nível Superior<br>Eficiência e economia na produção de energia são fatores-chave no desenvolvimento social e econômico de um país

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Schreiber, Rafael Gustavo. "Estampagem incremental e soldagem FSW para fabricação de coletor solar." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2018. http://hdl.handle.net/10183/183075.

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Este trabalho apresenta um modelo inovador de coletor solar plano, com placa absorvedora fabricada por Estampagem Incremental e Soldagem FSW (Friction Stir Welding). Esta placa absorvedora é constituída de duas chapas de alumínio AA1200-H14 com espessura de 1 mm, estampadas e soldadas em simetria, a fim de que na união das chapas sejam deixados canais para passagem de água. Neste estudo foi realizada a caracterização do material por Ensaio de Tração e Ensaio Nakajima. Para determinação dos parâmetros de Estampagem Incremental foram realizados 16 experimentos com ferramenta de diâmetro df = 9,5

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Silva, Daniel dos Santos. "Desenvolvimento de uma ferramenta computacional para dimensionamento de coletores solares de placa plana." Universidade do Vale do Rio dos Sinos, 2012. http://www.repositorio.jesuita.org.br/handle/UNISINOS/4315.

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Submitted by Maicon Juliano Schmidt (maicons) on 2015-07-08T14:09:52Z No. of bitstreams: 1 Daniel dos Santos Silva.pdf: 1207479 bytes, checksum: a37801e7a4a9fabd110fb80d5c179a85 (MD5)<br>Made available in DSpace on 2015-07-08T14:09:52Z (GMT). No. of bitstreams: 1 Daniel dos Santos Silva.pdf: 1207479 bytes, checksum: a37801e7a4a9fabd110fb80d5c179a85 (MD5) Previous issue date: 2012-01-31<br>Nenhuma<br>O uso da energia solar, como alternativa energética renovável, tem tomado um destaque fundamental no cenário mundial. Em especial, esse tipo de energia utilizado para aquecimento de água, tan

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Filatov, Artem. "Concentrating Collector for Torsång District Heating System." Thesis, Högskolan Dalarna, Energiteknik, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:du-28539.

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In this thesis report for Dalarna University in Borlange and Absolicon company the study of a possibility to add an array of concentrating solar collectors to a Torsång district heating system was done. The whole idea of this work was to make a simulation of this kind of system, trying to get 15-20% of solar fraction, and make an economical evaluation. At the same time, another goal was to make two comparisons: between concentrating and flat-plate collector in the same system, and between two tools for collector analysis – Polysun and Absolicon tool, based on TRNSYS, which was designed to esti

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Farah, Hamad. "Hybrid solar system for heat and electric demands in a simple housing within Sweden and China." Thesis, Högskolan i Halmstad, Akademin för ekonomi, teknik och naturvetenskap, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:hh:diva-40596.

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The access to ideal heating and power techniques has always been highly thought after.This is mainly due to the development in housing architecture and the cold nature of certain regions which has led to an increase in popularity of the heating market and modernised heating technologies. The current DH systems make use of CHP plants for thegeneration of power and electricity. These CHP plants for the most part, are powered through biomass and during winter periods the demand for heating is highly increased.The biggest issue with relying on biomass solely is the constant need to burn wasteprodu

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Vieira, Samuel Guerra. "ObtenÃÃo, caracterizaÃÃo e aplicaÃÃo de uma nova superfÃcie Seletiva para coletores solares tÃrmicos." Universidade Federal do CearÃ, 2011. http://www.teses.ufc.br/tde_busca/arquivo.php?codArquivo=6923.

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Conselho Nacional de Desenvolvimento CientÃfico e TecnolÃgico<br>O estudo de superfÃcies seletivas para coletores solares tÃrmicos, hÃ alguns anos, enfoca o uso de pastas e tintas para recobrir chapas de cobre ou alumÃnio, formando a placa absorvedora do coletor. Essas tintas ou pastas sÃo eletrodepositadas em placas metÃlicas, sendo este processo muitas vezes responsÃvel pelo levado custo de superfÃcies seletivas. O uso de compÃsitos obtidos a partir do Ãxido de cromo, Ãxido de ferro e Ãxido de titÃnio em um processo cerÃmico, utilizando a tÃcnica de deposiÃÃo por screen-printing pode ser uma

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27

Pech, Ondřej. "Energetická simulace provozu solárních kolektorů v nízkoenergetickém rodinném domě s teplovzdušným vytápěním." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2010. http://www.nusl.cz/ntk/nusl-228992.

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The thesis deals with energy simulation of a solar energy system in a low-energy family house with warm-air heating. The simulations performed resulted in the assessment of the energy contribution of four solar systems with different types of collectors. The profitability and return of investment for the particular system have been evaluated based on investment costs and the savings gained. The theoretical part includes an introduction to the solar energy field, solar panel systems and the passive house concept. The practical part is devoted to description of the simulated object models as use

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28

Grassie, Tom. "Optimisation of fluid-flow in a flat plate solar water heater." Thesis, Edinburgh Napier University, 2001. http://researchrepository.napier.ac.uk/Output/3862.

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29

Khan, Zakir. "Energy recovery at thermodynamic expansion and thermal boosting through convection in flat plate solar thermal systems." Thesis, Bournemouth University, 2018. http://eprints.bournemouth.ac.uk/31116/.

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Fossil fuels have served mankind to meet energy needs in both domestic and commercial applications for a considerable length of time. However, fossil fuels have environmental implications such as emission of harmful gases, depletion of ozone layer and climate change. Moreover, the ever rising prices and limited resources of fossil fuels have obstructed the uninterrupted supply of energy. Therefore, there is a dire need to develop renewable energy technologies that can sustain energy supply with increasing demands. Due to inexhaustible amount of clean solar energy, engineers and researchers are

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Solmus, Ismail. "Theoretical And Experimental Investigation Of A Humidification-dehumidification Desalination System Using Solar Energy." Master's thesis, METU, 2006. http://etd.lib.metu.edu.tr/upload/2/12607622/index.pdf.

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In this thesis, experimental and numerical studies have been carried out to investigate the performance of a solar desalination system working on humidification-dehumidification principle under the climatological conditions of Ankara, Turkey. The desalination unit was configured mainly by a double-pass flat plate solar air heater with two glass covers, pad humidifier, storage tank and dehumidifying exchanger. The system used in this work is based on the idea of closed water and open air cycles. A computer simulation program based on the mathematical model was developed by means of MATLAB softw

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31

Huang, Chih-Chien, and 黃之健. "A Study on Flat Plate Evacuated Solar Collector." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/72421370390178170722.

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碩士<br>大葉大學<br>機械與自動化工程學系<br>97<br>When the storage of fossil fuels become less and less, the application of solar energy gets more and more important. However, the solar thermal heating systems on the market are currently costly, heavy, and bulky. This thesis introduces the design of a novel solar collector, which unites the advantages of a flat plate collector and an evacuated tube collector to form a “flat plate evacuated solar collector”. The research studies the feasibility of this kind of solar collector; the study methods include the numerical simulations of fluid flow associated with he

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Koo, Jae-Mo. "Development of a flat-plate solar collector design program." 1999. http://catalog.hathitrust.org/api/volumes/oclc/44706438.html.

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Thesis (M.S.)--University of Wisconsin--Madison, 1999.<br>Typescript. eContent provider-neutral record in process. Description based on print version record. Includes bibliographical references (leaves 138-139).

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Shyam. "Performance analysis of photovoltaic thermal flat plate collectors and direct absorber solar collectors." Thesis, 2017. http://localhost:8080/xmlui/handle/12345678/7311.

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Samdarshi, Sanjoy Kumar. "Study of top heat loss factor of flat plate solar collector." Thesis, 1992. http://localhost:8080/xmlui/handle/12345678/6387.

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MISHRA, RAJAT KUMAR. "THERMAL PERFORMANCE ANALYSIS OF VARIOUS GAS FILLED SOLAR FLAT PLATE COLLECTORS." Thesis, 2019. http://dspace.dtu.ac.in:8080/jspui/handle/repository/16690.

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The fossil fuels are depleting day by day and energy demand is rising at a high rate. The gap between this depletion and demand can be narrowed by the use of solar energy. The most direct application of solar energy is the conversion of solar radiation into thermal energy like in water heating system which is generally done using flat plate solar collectors. This research focuses on the media between the absorber plate and the glass cover. This study presents the performance evaluation of different gas filled solar flat plate collectors filled with gases like carbon dioxide, methane, nitrous o

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Sookdeo, Steven. "Experimental investigation of the thermofluid behaviour within a flat-plate solar collector." Thesis, 2008. http://spectrum.library.concordia.ca/976248/1/MR45476.pdf.

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Flat-plate solar collectors are used in solar water heating systems to transfer solar energy to water in the form of heat. The research on solar water heating systems is mainly focused on the design and optimization of the overall system with little attention given to study the thermofluid behaviour inside the collector. The collector is a very crucial part of the system as it is where the actual energy conversion talks place. In the present research, the thermofluid behaviour within the tube of a flat-plate solar collector for a forced circulation solar water heating system is experimentally

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Almeida, Sérgio Miguel Carvalho de. "Otimização de um coletor solar plano com base no princípio constructal." Master's thesis, 2017. http://hdl.handle.net/10316/83107.

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Dissertação de Mestrado Integrado em Engenharia Mecânica apresentada à Faculdade de Ciências e Tecnologia<br>O desenvolvimento de geometrias de coletores solares planos não obteve qualquer evolução nos últimos anos, estando generalizada uma só solução para a circulação do fluido no seu interior.No âmbito da otimização destes sistemas procurou-se desenvolver uma metodologia inovadora de dimensionamento da geometria da tubagem que minimize a queda de pressão, enquanto estabelece linhas orientadoras para maximizar a transferência de calor entre a radiação solar absorvida e o escoamento no interio

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(5931191), Manikanta Kurri. "TRANSIENT OPERATION AND SIMULATION OF A FLAT PLATE SOLAR COLLECTOR WITH TANK AND THERMAL STORAGE." Thesis, 2019.

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Global warming due to over usage of fossil fuels is leading to different kinds of pollutions. Global warming can be controlled by switching non-renewable fossil fuels with renewable alternative power sources like wind, solar, geothermal, biomass, and ocean. Solar power is the most prominent alternative source around the world. Solar power is being used as alternative power source in almost all countries around the globe. Solar power uses radiation from sun to produce heat and the heat used for different heating and cooling applications whereas electricity being one of them. Solar power is bein

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Parida, Anshuman. "Fabrication and Experimental Studies of a Hybrid Flat Plate Solar Collector for Heating Pool Water." Thesis, 2011. http://ethesis.nitrkl.ac.in/2533/2/Final_Report__Anshuman.pdf.

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Warm water in swimming pool is more of a necessity than comfort in places where temperature drops down below 25°C during winter. So pool water heaters are used extensively at places like Hotels, Hospitals, and Clubs etc. to bring the water temperature to a comfort level. But conventional pool water heaters require a lot of energy (electrical/fossil fuel energy) to run. Laws have been enforced in many countries which restrict the use of direct electricity to heat pool water. This project report gives a detailed outline of the fabrication procedure of a flat plate solar thermal collector, built

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Tsai, Cheng-Jung, and 蔡政融. "The Recycle Effect on Collector Efficiency of Flat-Plate Solar Water Heaters with Rectangular Flow Ducts." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/30446507747733960223.

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碩士<br>淡江大學<br>化學工程與材料工程學系碩士班<br>95<br>The study presents theoretical and experimental results of the device performance on flat-plate solar water heaters with rectangular flow ducts under recycle operation. Comparisons of the collector efficiency were made between the present device and the conventional type collector. The theoretical and experimental results show that the collector efficiencies can be effectively enhanced by using recycle operation. The theoretical and experimental results of flat-plate solar water heaters with rectangular flow ducts have been carried out with as the recyc

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Chen, Chih-Cheng, and 陳志誠. "Thermal Performance Investigation of a Novel Flat-plate Solar Thermal Collector Using Metal-foam Blocks under Forced Pulsating Flow." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/978yjk.

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博士<br>國立臺北科技大學<br>機電科技研究所<br>100<br>The solar energy, which is one of alternative renewable energy, becomes more important recently due to the gradual scarcity and derivative environment problems of traditional fossil fuels. The major component of any solar thermal system is the solar thermal collector for thermal energy convert. The efficiency improvement for flat-plate solar collector can reduce its size and obtain higher temperature fluid for wider application. A numerical simulation was carried out to investigate the characteristics of heat transfer enhancement for a novel flat-plate solar

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Parente, Joana Raquel Mendes Cação. "Estudo da interação térmica e dinãmica entre um escoamento gasoso e uma matriz porosa metálica." Master's thesis, 2014. http://hdl.handle.net/10316/38777.

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Dissertação de Mestrado Integrado em Engenharia do Ambiente apresentada à Faculdade de Ciências e Tecnologia da Universidade de Coimbra.<br>A energia solar apresenta como fonte o Sol, origem de praticamente toda a energia que sustenta a vida e enorme potencial energético ainda com muito por explorar, principalmente em Portugal. Porém, este tipo de energia apresenta como desvantagens o facto de ser intermitente e apresentar grandes variações regionais. Como tal, torna-se necessário a melhoria dos sistemas tecnológicos principalmente no que diz respeito à eficiência dos mesmos. A presente disse

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Lin, Chi-Yen, and 林其諺. "The Optimum Design of Improved Flat-Plate Solar Air Heaters." Thesis, 1995. http://ndltd.ncl.edu.tw/handle/92150131281856006605.

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碩士<br>淡江大學<br>化學工程研究所<br>83<br>The main applications of solar air heaters are drying and space heating. Many designs of solar air heaters have been i- nvestigated in improving the efficiency. There are many fact- ors influencing solar air heaters efficiency, such as the co- figation of absorber and the design of air duct. This study investigates the effects of aspect ratio of a rectangular flat- plate collector and area ratio of a divided collector on the collector efficiency, under con

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Mesquita, Lucio Cesar De Souza. "Analysis of a Flat-Plate, Liquid-Desiccant, Dehumidifier and Regenerator." Thesis, 2007. http://hdl.handle.net/1974/977.

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A numerical model for isothermal and non-isothermal flat-plate liquid-desiccant dehumidifiers and regenerators was developed and implemented. The two-dimensional model takes into account the desiccant, water and air flow streams. A parametric analysis was performed to evaluate the influence of some of the most important operational parameters on mass transfer performance, such as flow configuration, water mass flow rate and inlet temperature, and desiccant mass flow rate. The results indicate that the water temperature and mass flow rate have a strong effect on the performance of the dehumidif

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Huang, Jun-Wei, and 黃君維. "The Heat-Transfer Efficiency Improvement of Flat-Plate Solar Hybrid Photovoltaic/Thermal Systems with Single- and Multi-Pass Rectangular Flow ducts." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/72407401384050365096.

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碩士<br>淡江大學<br>化學工程與材料工程學系碩士班<br>96<br>The new solar hybrid photovoltaic/thermal (PV/T) system with multi-pass rectangular flow ducts is designed to improve the overall efficiency of thermal heat-transfer efficiency and PV cell efficiency. The theoretical formulations of the solar hybrid PV/T system are developed by making the energy balance and the resultant equations are solved by the fourth-order Runge–Kutta method. The factors affecting the device performance are the numbers of flow ducts, air mass flow rate, inlet air temperature and incident solar radiation. The theoretical results ind

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