Relevant bibliographies by topics / Alternative refrigerant

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Alternative refrigerant'

Author: Grafiati
Published: 4 June 2021
Last updated: 25 July 2025

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Journal articles on the topic "Alternative refrigerant"

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Wang, Hong Li, Xiu Juan Hou, and Jing Rui Tian. "Analysis of Refrigerants Properties and Alternative." Advanced Materials Research 287-290 (July 2011): 2438–42. http://dx.doi.org/10.4028/www.scientific.net/amr.287-290.2438.

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With the question of Ozone Depression Potential and Global Warming Potential popping out day by day, the Freon refrigerant alternative has become one of the current research contents of refrigerant. Based on the given Freon refrigerant R22, R134a and natural refrigerant CO2, the differences of their properties were compared, and the relevant alternative refrigerants conducted an investigation. The results show that the natural refrigerant CO2instead of Freon refrigerant has good application prospects; it provides basic data to develop new products, which enhance the COP of air conditioner and
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Huang, Shengzhong, Hui Zhang, and Conghui Li. "Research Progress and Prospects of Refrigerant Replacement Under the Background of Greenhouse Gas Emission Reduction: A Visualization Analysis of the CiteSpace Map." Sustainability 17, no. 5 (2025): 2199. https://doi.org/10.3390/su17052199.

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As global environmental consciousness continues to expand, the issue of refrigerant alternatives has increasingly become a focal point for scholarly attention. Using CiteSpace visualization technology, a comprehensive and innovative research framework for refrigerant alternatives has been developed. This framework systematically organizes and analyzes not only the volume of publications related to refrigerant alternatives but also the collaborative relationships among authors and research institutions. By employing keyword co-occurrence maps, clustering diagrams, and timeline charts, an in-dep
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Piyanut Saengsikhiao and Juntakan Taweekun. "Investigation and Analysis of R438A as an Alternative Refrigerant to R22 with Lower Global Warming Potential." Journal of Advanced Research in Fluid Mechanics and Thermal Sciences 95, no. 1 (2022): 164–87. http://dx.doi.org/10.37934/arfmts.95.1.164187.

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This research presents the R438A refrigerant that non-flammable refrigerant and develop for retrofit to R404A. The hydrofluorocarbons/hydrocarbon (HFCs/HCs) R463A (GWP=2,265) was zeotropic mixture of R125 (45%), R134a (44.2%), R32 (8.5%), R600 (1.7%) and R600a (0.6%). The R463A refrigerants is no frame propagation class A1 and lower toxicity and used polyol ester oil (POE). The results will investigation and analysis of the environmentally friendly refrigerant for R22 replacement. All refrigerant properties in this research were based on results from the REFPROP and CYCLE_D-HX software of NIST
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Khalid Shaker Al-Sayyab, Ali. "Optimum Refrigerant Charge of Refrigerator Working with Alternative Refrigerants for R12 (R134a, R600a and R290)." Basrah journal for engineering science 14, no. 2 (2014): 149–54. http://dx.doi.org/10.33971/bjes.14.2.16.

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This study presents the impacts of suitable refrigerant charge to test the performance of laboratory refrigerator rig for using three refrigerants of (R134a, R600a and R290) instead of R12 .The coefficient of performance and maximum consumption amperes are taken as function to evaluate the optimum charge of these refrigerants. The results imply that the over refrigerant charge will reduce the system performance. Compared the optimum refrigerant charge of R600a is (45g), R290 is (70 g) and R134a is (60g), instead of R12. The results show that the refrigerator with R134a gives lowest capacity re
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Vali Shaik, Sharmas, and TP Ashok Babu. "Theoretical energy performance assessment and environmental impact of various new ozone-friendly refrigerants used in residential air conditioners." Proceedings of the Institution of Mechanical Engineers, Part E: Journal of Process Mechanical Engineering 234, no. 4 (2020): 367–85. http://dx.doi.org/10.1177/0954408920928260.

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This study focuses on energy performance investigation and environmental impact analysis of various new ecofriendly refrigerant blends as alternatives to high global warming potential refrigerant R22 theoretically. In this study, 23 refrigerants were considered at various composition. The present work considered the practical vapour compression refrigeration cycle for the performance assessment of various R22 alternatives. Essential studies such as toxicity, flammability, and total equivalent warming index of various novel refrigerants were also conducted in this study. Results obtained from p
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بوزيد, عبد المنصف عبد الله, فتح ألله حمد بكار та عبد القادر عبد الدائم الكريمي. "تحليل مقاييس لدورة تبريد ضغط البخار باستخدام وبدون استخدام المبادل الحراري بواسطة موائع التبريد البديلة". International Science and Technology Journal 34, № 1 (2024): 1–31. http://dx.doi.org/10.62341/afav3284.

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One of the most commonly refrigeration systems is the vapor compression refrigeration system. Since energy saving and environmental friendliness remain a challenge, researchers are working hard to find an effective solution to improve the performance of vapor compression refrigeration systems while committing to environmental standards. The main goal of this paper is to identify the best and closest alternative refrigerant to R22 among the alternative cooling fluids taken into consideration in terms of thermodynamic and mechanical properties, environmental protection, and safety of handling. T
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Górny, Kasper, Arkadiusz Stachowiak, Przemysław Tyczewski, and Wiesław Zwierzycki. "Mixtures of Lubricants and Ecological Refrigerants under Starved Lubrication Conditions." Materials 15, no. 21 (2022): 7747. http://dx.doi.org/10.3390/ma15217747.

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The presented results show that the presence of refrigerant significantly deteriorates the lubricating properties of compressor oil under starved lubrication conditions (with a small amount of oil). The change can be 40–120% compared to the properties of the oil alone. Additionally, in the group of oils that are substitutes (operational alternatives) compatible with a given refrigerant, the effect of the refrigerant on the lubricating properties varies. The differences can be as much as 25%. In order to evaluate and properly select compressor oils for the refrigerant, the lubricating propertie
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Rilwan, Omogbolahan Anjorin*1 Sheyin Israel Amos2 &. Sunday Kanshio3. "EVALUATION OF ALTERNATIVE REFRIGERANT FOR A 255000 KCAL/HR, 130KW VAPOUR COMPRESSION REFRIGERATION SYSTEM FOR PROPYLENE PURIFICATION PROCESS." INTERNATIONAL JOURNAL OF ENGINEERING SCIENCES & RESEARCH TECHNOLOGY 7, no. 7 (2018): 48–57. https://doi.org/10.5281/zenodo.1305832.

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Common refrigerants such as CFCs and HCFCs have unfavorable environmental impacts and this has brought about concerns and regulations prohibiting their production and use as refrigerants by the year 2030. The 255000 kCal/h, 130 kW capacity refrigerating system uses R-22 refrigerant which is of the HCFCs’ family, hence, the need for alternative refrigerant because of the negative environmental impacts of this family of refrigerants. Natural refrigerants such as hydrocarbons and their mix in various ratios are currently being investigated to replace CFC and HCFC based solvents. In this stu
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Subir, Lucianus Handri Gunanto, Bustani, Rizky Aprylianto Susilo, and Agustono. "ANALISIS UNJUK KERJA AIR CONDITIONING (AC) SPLIT 2 PAARDE KRACHT (PK) MENGGUNAKAN REFRIGERANT 22 DENGAN MUSICOOL 22 TERHADAP KONSUMSI LISTRIK." J-ENSITEC 11, no. 01 (2024): 10137–46. https://doi.org/10.31949/jensitec.v11i01.11869.

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The total use of electrical energy in a building or structure, one of them is the use of an air conditioning (AC) system. There are still many uses of air conditioning (AC) systems based on halocarbon refrigerants (R-22) in a building or structure. Refrigerant 22 is a type of halocarbon refrigerant that is widely used in Split ACs. The author conducted research on an LG 2 PK AC by replacing the refrigerant which was still based on Refrigerant 22 with the hydrocarbon refrigerant Musicool 22, then the data results were analyzed to determine the performance of the AC. From the results of the refr
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Bae, Yu Jin, Sung Joon Hong, Hee Wook Cho, Byoung Kwon Hong, Jin Young Yoo, and Nak Sup Sung. "Comparative LCA on Alternative Refrigerants : R-744, HFO-1234yf." Korean Journal of Life Cycle Assessment 10, no. 1 (2009): 7–13. http://dx.doi.org/10.62765/kjlca.2009.10.1.7.

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Comparative environmental evaluation for possible alternative refrigerants (R-744, HFO-1234yf) is performed using by LCA (Life Cycle Assessment) which is one of the most famous tools. Based on ISO 14040 series, LCA is performed through the production, use, and disposal stage of each air conditioner system, and the result would be shown which refrigerant is more environment friendly. The environmental profile of all the refrigerant will be used for decision supporting information.
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Dissertations / Theses on the topic "Alternative refrigerant"

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Back, Izabelle, and Lars Dunberger. "Evaluating alternative refrigerants for the room air conditioner market." Thesis, KTH, Tillämpad termodynamik och kylteknik, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-173880.

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This study aimed to facilitate evaluation of alternative refrigerants for the air conditioner market. In order to achieve this target, two objectives were set. The first being the identification of alternative refrigerant with regard to regulations and trends. The second being enabling of thermodynamic evaluation of refrigerants for single components in air conditioners via design and installation of a test rig. A literature review was conducted to investigate the regulations, standards and trends for nine regions with high market shares. Furthermore, refrigerant substitutes for R410A and R22
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Mirza-Tolouee, Changiz M., and n/a. "Experimental study of zeotropic refrigerant mixture HFC-407C as a replacement for HCFC-22 in refrigeration and air-conditioning systems." Swinburne University of Technology, 2006. http://adt.lib.swin.edu.au./public/adt-VSWT20070416.141307.

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HCFC-22 is the world�s most widely used refrigerant. It serves in both residential and commercial applications, from small window units to large water chillers, and everything in between. Its particular combination of efficiency, capacity and pressure has made it a popular choice for equipment designers. Nevertheless, it does have some ODP, so international law set forth in the Montreal Protocol and its Copenhagen and Vienna amendments have put HCFC-22 on a phase out schedule. In developed countries, production of HCFC-22 will end no later than the year 2030. Zeotropic blend HFC-407C has been
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Géryk, Ondřej. "Tepelná čerpadla ve vzduchotechnice." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2012. http://www.nusl.cz/ntk/nusl-225664.

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This thesis deals with issues of heat pumps for air conditioning purposes. Mainly addresses itself with physical principles of heat pumps and with division of heat pumps according to natural resources, from which they draw heat energy. The next part of this thesis dedicates itself to experimental measurement of air conditioning unit, which in winter time operates on the principle of heat pump. The last part of this thesis is focused on design of two options of employment of heat pumps as sources of heat and coldness for a central air handling unit, which regulates incoming air for a dining roo
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Lindeman, Lukas. "Refrigeration system performance using alternative refrigerants." Thesis, KTH, Energiteknik, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-188606.

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When running a refrigeration system, the refrigerant will always leak into the atmosphere in various ways. The leakage of currently used refrigerants have a non-negligible impact on the global warming. The European Commission recently approved the Regulation No 517/2014 on fluorinated greenhouse gases (FGR). This regulation implies, among other, that refrigerants with GWP of 2500 or more will be restricted from being used in stationary refrigeration equipment being placed on European refrigeration market. In this study a number of new refrigerants are analysed and evaluated as potential replac
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Eriksson, Peter. "Refrigeration system performance using alternative refrigerants." Thesis, KTH, Energiteknik, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-175160.

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The European Parliament has shown its legislative capabilities by adopting a tough approach on the reduction of fluorinated gases (F-gases). The EU Regulation No 517/2014, will phase out F-gases with high global warming potential (GWP) within a well-defined step down time schedule. This will affect refrigerants which are commonly used in commercial cooling applications. While the time schedule implies existence of replace- ment refrigerants, the market continues to develop alternatives for the refrigerants already in deployment. Though the R404A,which is a commonly used refrigerant in station-
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Colbourne, Daniel Henry. "Methods for assessing environmental, safety and performance of alternative refrigerants." Thesis, University College London (University of London), 2006. http://discovery.ucl.ac.uk/1445386/.

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This thesis addresses the general subject of implementation of refrigerants that are alternatives for ozone depleting substances. In particular it covers three topics, which are environmental assessment, system performance and safety aspects related to flammability. The first Part examines the current means of assessing the global wanning impact of systems, and proposes an improved approach. The second Part presents a new balancing technique for designing systems that use refrigerants with a temperature glide, as an advancement over the conventional technique for pure refrigerants. The third P
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Junio, Urbano José. "Análise comparativa da performance de unidades de ar condicionado tipo janela usando R22, R290 e R600a." Universidade Federal de Pernambuco, 2008. https://repositorio.ufpe.br/handle/123456789/5304.

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Made available in DSpace on 2014-06-12T17:37:59Z (GMT). No. of bitstreams: 2 arquivo3817_1.pdf: 7647532 bytes, checksum: 5910a7ab4e76749595677083317b8c54 (MD5) license.txt: 1748 bytes, checksum: 8a4605be74aa9ea9d79846c1fba20a33 (MD5) Previous issue date: 2008<br>Coordenação de Aperfeiçoamento de Pessoal de Nível Superior<br>Há uma crescente preocupação mundial a respeito da destruição da camada de ozônio envolvendo a terra. Os CFCs, como o R-12, foram identificados como de alto poder destruidor da camada de ozônio (ODP), pela presença de cloro em sua estrutura. Os HCFCs, como o R-22, por
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Dias, João Paulo. "Escoamento de óleo e refrigerante pela folga pistão-cilindro de compressores herméticos alternativos." Florianópolis, 2012. http://repositorio.ufsc.br/xmlui/handle/123456789/99466.

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Tese (doutorado) - Universidade Federal de Santa Catarina, Centro Tecnológico. Programa de Pós-Graduação em Engenharia Mecânica.<br>Made available in DSpace on 2013-03-04T20:42:10Z (GMT). No. of bitstreams: 1 304353.pdf: 28322357 bytes, checksum: 34efb2d7cd1ad9803a2f6b3055f26206 (MD5)<br>O conhecimento do processo de lubrificação das partes móveis dos compressores alternativos herméticos, sobretudo do pistão, é de importância fundamental na concepção de sistemas de refrigeração mais eficientes. A existência de uma pequena folga entre o pistão e o cilindro permite que movimentos radiais do pist
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Medeiros, Pedro Samuel Gomes. "Desenvolvimento e caracteriza??o de solu??es tern?rias ?gua-glicerol-propilenoglicol como fluido refrigerante secund?rio." Universidade Federal do Rio Grande do Norte, 2012. http://repositorio.ufrn.br:8080/jspui/handle/123456789/15696.

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Made available in DSpace on 2014-12-17T14:58:19Z (GMT). No. of bitstreams: 1 PedroSGM_DISSERT.pdf: 2326508 bytes, checksum: 0470d41afc69c7b0199856916c484045 (MD5) Previous issue date: 2012-12-17<br>Conselho Nacional de Desenvolvimento Cient?fico e Tecnol?gico<br>Cada vez mais o mundo est? adotando uma matriz energ?tica limpa e sustent?vel, com o uso da agricultura para produ??o de agroenergia e combust?veis verdes, como bioetanol e biodiesel. A produ??o do biodiesel gera um coproduto, a glicerina, em que as usinas produtoras t?m dificuldades com o destino do seu excedente. V?rias pesquisas e
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Fiorelli, Flávio Augusto Sanzovo. "Análise do escoamento de fluidos refrigerantes alternativos ao HCFC22 em tubos capilares adiabáticos." Universidade de São Paulo, 2000. http://www.teses.usp.br/teses/disponiveis/3/3132/tde-24102001-160408/.

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Este trabalho apresenta os resultados da pesquisa "Análise do Escoamento de Fluidos Refrigerantes Alternativos ao HCFC 22 em Tubos Capilares Adiabáticos", desenvolvida para obtenção do título de Doutor em Engenharia no Departamento de Engenharia Mecânica da EPUSP. Essa pesquisa foi motivada pelas resoluções do Protocolo de Montreal, que prevêem a eliminação gradativa do HCFC 22 e, conseqüentemente, impõem a necessidade da realização de estudos sobre o comportamento de fluidos alternativos ecologicamente aceitáveis nos sistemas de refrigeração e seus componentes. Até o momento, as pesquisas e a
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Books on the topic "Alternative refrigerant"

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Bruno, Thomas J. Spectroscopic library for alternative refrigerant analysis. U.S. Dept. of Commerce, National Institute of Standards and Technology, 1990.

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W, Sohn C., and Construction Engineering Research Laboratories (U.S.), eds. Alternative refrigerant performance: Field test of a nonchlorofluorocarbon chiller at Fort Leonard Wood, MO. U.S. Army Corps of Engineers, Construction Engineering Research Laboratories, 1995.

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National Institute of Standards and Technology (U.S.), ed. Strategy for chemical analysis of alternative refrigerants. U.S. Dept. of Commerce, National Institute of Standards and Technology, 1990.

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Butler, D. J. G. Performance of air-conditioning systems with alternative refrigerants. Building Research Establishment, 1998.

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Oellrich, L. R. Indo-German project on alternatives to CFCS for refrigeration applications: Technical status report. Forschungszentrum Jülich, Zentralbibliothek, 1994.

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Schwarz, Winfried. Der FCKW-Ausstieg is möglich, sofort!: Praktische Alternativen zu FCKW. Greenpeace, 1992.

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Bruno, Thomas J. Handbook for the analysis and identification of alternative refrigerants. CRC Press, 1995.

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1930-, Walker G., ed. The Stirling alternative: Power systems, refrigerants, and heat pumps. Gordon and Breach Science Publishers, 1994.

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Owen, McLinden Mark, and National Institute of Standards and Technology (U.S.), eds. A Survey of current worldwide research in the thermophysical properties of alternative refrigerants. U.S. Dept. of Commerce, National Institute of Standards and Technology, 1991.

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Owen, McLinden Mark, and National Institute of Standards and Technology (U.S.), eds. A Survey of current worldwide research in the thermophysical properties of alternative refrigerants. U.S. Dept. of Commerce, National Institute of Standards and Technology, 1991.

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Book chapters on the topic "Alternative refrigerant"

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Link, Albert N., and John T. Scott. "Alternative Refrigerant Research Program." In Public Accountability. Springer US, 1998. http://dx.doi.org/10.1007/978-1-4615-5639-8_10.

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Imamura, Tomohiko. "Evaluating the Ignition Hazard of Alternative Refrigerants for Variable Refrigerant Flow Systems." In Variable Refrigerant Flow Systems. Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-19-6833-4_2.

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Pendyala, Srinivas, and R. Prattipati. "Criteria for Drop-in Replacement of Existing Refrigerant with an Alternative Refrigerant." In Learning and Analytics in Intelligent Systems. Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-24314-2_51.

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Dubey, Kaushalendra Kumar, Karan Sharma, RS Mishra, Sudhir Kumar Singh, and Brahma Nand Agarwal. "Theoretical Analysis of Isentropic and Alternative Refrigerant Based Cooling System and Low Carbon Economy." In Lecture Notes in Mechanical Engineering. Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-33-4320-7_28.

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Vinoth Kumar, K., Lokesh Paradeshi, M. Srinivas, and S. Jayaraj. "Optimum Composition of Alternative Refrigerant Mixture for Direct Expansion Solar-Assisted Heat Pump Using ANN and GA." In Springer Proceedings in Energy. Springer Singapore, 2017. http://dx.doi.org/10.1007/978-981-10-4576-9_18.

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Pfeiffer, Tim, Amjid Khan, and Craig R. Bradshaw. "Analysis of R454B as a Low-GWP Refrigerant Alternative for R410A in a Vapor-Injected Rotary Compressor." In Springer Proceedings in Energy. Springer Nature Switzerland, 2024. http://dx.doi.org/10.1007/978-3-031-42663-6_59.

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Oh, Bong Seong, Gilbong Lee, Bongsu Choi, et al. "Study of Lubricant Compatibility with a Low-GWP Refrigerant as an Alternative to R410A in a Compressor Test Loop." In Springer Proceedings in Energy. Springer Nature Switzerland, 2024. http://dx.doi.org/10.1007/978-3-031-42663-6_67.

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Jadhav, Nilam P., V. K. Bupesh Raja, Suhas P. Deshmukh, and Mandar M. Lele. "Investigation and Experimental Evaluation of Vapor Compression Refrigeration System by Means of Alternative Refrigerants." In Emerging Trends in Computing and Expert Technology. Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-32150-5_2.

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Ebisu, T. "Evaporation and Condensation Heat Transfer Enhancement for Alternative Refrigerants Used in Air-Conditioning Machines." In Heat Transfer Enhancement of Heat Exchangers. Springer Netherlands, 1999. http://dx.doi.org/10.1007/978-94-015-9159-1_31.

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Khan, Saquib, Vaibhav Jain, and Kanchan Mugil. "Estimation of Optimum Condensing Temperature for Three Stage Vapor Compression Refrigeration System Using Alternative Refrigerants." In Springer Proceedings in Energy. Springer Nature Singapore, 2025. https://doi.org/10.1007/978-981-96-4492-6_32.

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Conference papers on the topic "Alternative refrigerant"

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Fujii, Shoma, Yuko Oshita, Ayumi Yamaki, and Yasunori Kikuchi. "Prospective Life Cycle Design Enhanced by Computer Aided Process Modeling: A Case Study of Air Conditioners." In The 35th European Symposium on Computer Aided Process Engineering. PSE Press, 2025. https://doi.org/10.69997/sct.183465.

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Prospective life-cycle design of emerging technologies is important in discussions of decarbonization and resource circulation strategies. This study demonstrates the role of computer-aided process engineering in reflecting technology information with appropriate granularity and accuracy using air conditioning as a case study. Process simulations involving heat exchangers (indoor/outdoor units), compressors, and expansion valves were developed to model air conditioners to quantify changes in performance and heat exchanger size as existing and alternative refrigerants are introduced. The proces
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Babarinde, T. O., and D. M. Madyira. "Replacement of halogenated refrigerants with environmentally friendly alternatives in refrigeration and air conditioning systems: A mini review." In 2024 International Conference on Science, Engineering and Business for Driving Sustainable Development Goals (SEB4SDG). IEEE, 2024. http://dx.doi.org/10.1109/seb4sdg60871.2024.10629974.

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Radermacher, Reinhard, and Yunho Hwang. "Alternative refrigerant heat pump and refrigeration systems." In International Heat Transfer Conference 12. Begellhouse, 2002. http://dx.doi.org/10.1615/ihtc12.3390.

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Dalkilic¸, Ahmet Selim, and Somchai Wongwises. "Comparison of Various Alternative Refrigerants for Vapour Compression Refrigeration Systems." In ASME/JSME 2011 8th Thermal Engineering Joint Conference. ASMEDC, 2011. http://dx.doi.org/10.1115/ajtec2011-44267.

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Single-stage vapour compression refrigeration system was compared with an actual vapour compression cycle, single-stage process with internal heat exchanger, and a two-stage process with economiser using the refrigerants of HCFC-22, CFC-502 and their alternatives such as HFC-134a, HFC-32, HFC-152a, HFC-404A, HFC-407C, HFC-507, HFC-410A. A theoretical performance study on a cascade refrigeration system was performed using two refrigeration cycles connected through the heat exchanger in the middle working as the evaporator for the high pressurized cycle and condenser for the low pressurized cycl
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Öztürk, Merve, Emine Göktepe, Ali Celen, Alican Çebi, Ahmet Selim Dalkılıç, and Somchai Wongwises. "Fundamental Basis and Application of Cold-Room Project Design: A Case Study of Frigoship." In ASME 2013 Heat Transfer Summer Conference collocated with the ASME 2013 7th International Conference on Energy Sustainability and the ASME 2013 11th International Conference on Fuel Cell Science, Engineering and Technology. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/ht2013-17570.

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In this paper, a cold-room system in a frigoship was analyzed as a case study to demonstrate the application of the proposed model. The model was also evaluated in terms of the alteration of alternative refrigerants and insulation thickness of the cold rooms’ refrigeration system. The coefficients of performance (COP), refrigerant charge rates, and capacities of each component of the refrigeration system for the refrigerants CFC-12, HCFC-22 and their alternatives, such as HFC-134a, HFC-410a, HFC-404a, HFC-407c, and HFC-507 were determined by considering the effects of the main parameters of th
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Fan, Xiaowei, Fang Wang, Huifan Zheng, Xianping Zhang, and Di Xu. "Behavior and Performance of Refrigerant Mixture HFC125/HC290 in Heat Pumps." In ASME 2013 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/imece2013-63552.

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The refrigerant mixtures provide an important direction in selecting new environment-friendly alternative to match the desirable properties with the existing halogenated refrigerants or future use in the new devices, in which, HFCs refrigerants with zero ODP combined with HCs refrigerants with zero ODP and lower GWP are of important value in the fields of application. In the present work, research on HFC125/HC290 (25/75 by mass) binary refrigerant mixture used in heat pumps was carried out, and parameters, factors affecting the performance were investigated, and compared with that of HCFC22 un
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Javidmand, Puya, and Klaus A. Koffmann. "Numerical-Based Comparison Among Critical Flow Properties of HFC-134a and its New Alternatives HFO-1234yf and HFO-1234ze Through Short-Tube Orifices." In ASME 2015 13th International Conference on Nanochannels, Microchannels, and Minichannels collocated with the ASME 2015 International Technical Conference and Exhibition on Packaging and Integration of Electronic and Photonic Microsystems. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/icnmm2015-48048.

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Although HFC-134a is a common refrigerant for residential and mobile refrigeration systems, investigators are dealing with replacing it with new alternatives because of its harmful environmental and global warming effects. Recently HFO-1234yf and HFO-1234ze have been introduced as suitable alternative refrigerants because they have zero ozone depletion potential (ODP) and low global warming potential (GWP) and possess thermophysical properties similar to those of HFC-134a. Because there is no experimental data on the performance of these new refrigerants in capillary tubes and short-tube orifi
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Hay, E., J. Moshi, P. Baker, and J. Reid. "Alternative Refrigerant for an IC Engine Thermal Recuperation System." In ASME 2001 Internal Combustion Engine Division Spring Technical Conference. American Society of Mechanical Engineers, 2001. http://dx.doi.org/10.1115/ices2001-134.

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Abstract The hot tests on a prototype waste heat thermal recuperation system attached to a heavy-duty diesel engine and used with an inert gas as the cycle organic refrigerant described. TER is a system attached to the engine that uses the waste heat in the hot coolant and can lead to an efficiency improvement of 2 to 4% with correspondingly lower emissions. The heat balance, pressure losses, energy available for recuperation and other pertinent data are described and discussed. The equipment proved to be rugged. High-pressure losses in the system were reduced and the heat losses improved. The
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Alkan, Beyza, Ali Celen, Alican Çebi, Ahmet Selim Dalkilic, and Somchai Wongwises. "Refrigerated Railroad Car Design for Shipping Frozen Meat Using Alternative Refrigerants." In ASME 2014 4th Joint US-European Fluids Engineering Division Summer Meeting collocated with the ASME 2014 12th International Conference on Nanochannels, Microchannels, and Minichannels. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/fedsm2014-21068.

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Refrigerated railroad cars, known as reefers, are railroad rolling stock designed to carry perishable freight at specific temperatures. They are insulated boxcars that keep the cargo at a regulated temperature. As soon as railroad cars had the capability to keep a load cold, the potential growth of the meat, dairy, fruit and brewery industries became nearly unlimited. In this paper, a cold-room system in a railroad car was investigated as a case study to illustrate the use of the sample model. The change of substitute refrigerants and insulation thickness of the cold rooms’ refrigeration syste
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Mathur, G. "Carbon dioxide as an alternative refrigerant for automotive air conditioning systems." In 35th Intersociety Energy Conversion Engineering Conference and Exhibit. American Institute of Aeronautics and Astronautics, 2000. http://dx.doi.org/10.2514/6.2000-2858.

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Reports on the topic "Alternative refrigerant"

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Bruno, Thomas J., and Thomas J. Bruno. Spectroscopic library for alternative refrigerant analysis. National Institute of Standards and Technology, 1990. http://dx.doi.org/10.6028/nist.sp.794.

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Domanski, Piotr A., Mark O. McLinden, Ian H. Bell, and Gregory T. Linteris. Low-GWP alternative refrigerant blends for HFC-134a. National Institute of Standards and Technology, 2018. http://dx.doi.org/10.6028/nist.tn.2014.

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Johra, Hicham. Performance overview of caloric heat pumps: magnetocaloric, elastocaloric, electrocaloric and barocaloric systems. Department of the Built Environment, Aalborg University, 2022. http://dx.doi.org/10.54337/aau467469997.

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Heat pumps are an excellent solution to supply heating and cooling for indoor space conditioning and domestic hot water production. Conventional heat pumps are typically electrically driven and operate with a vapour-compression thermodynamic cycle of refrigerant fluid to transfer heat from a cold source to a warmer sink. This mature technology is cost-effective and achieves appreciable coefficients of performance (COP). The heat pump market demand is driven up by the urge to improve the energy efficiency of building heating systems coupled with the increase of global cooling needs for air-cond
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Domanski, Piotr A., Mark O. McLinden, Valeri I. Babushok, et al. Low-GWP Alternative Refrigerant Blends for HFC-134a: Interim Report. National Institute of Standards and Technology, 2021. http://dx.doi.org/10.6028/nist.ir.8395.

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Domanski, Piotr A. Low-GWP Non-Flammable Alternative Refrigerant Blends for HFC-134a:. National Institute of Standards and Technology, 2023. http://dx.doi.org/10.6028/nist.ir.8455-upd1.

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Domanski, Piotr A. Low-GWP Non-Flammable Alternative Refrigerant Blends for HFC-134a:. National Institute of Standards and Technology, 2023. http://dx.doi.org/10.6028/nist.ir.8455.

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Abdelaziz, Omar, Som S. Shrestha, Bo Shen, et al. Alternative Refrigerant Evaluation for High-Ambient-Temperature Environments: R-22 and R-410A Alternatives for Rooftop Air Conditioners. Office of Scientific and Technical Information (OSTI), 2016. http://dx.doi.org/10.2172/1326522.

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Abdelaziz, Omar, Som S. Shrestha, Jeffrey D. Munk, et al. Alternative Refrigerant Evaluation for High-Ambient-Temperature Environments: R-22 and R-410A Alternatives for Mini-Split Air Conditioners. Office of Scientific and Technical Information (OSTI), 2015. http://dx.doi.org/10.2172/1223676.

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Abdelaziz, Omar, Jeffrey D. Munk, Som S. Shrestha, et al. Alternative Refrigerant Evaluation for High-Ambient Temperature Environments: R-22 and R-410A Alternatives for Mini-Split Air Conditioners. Office of Scientific and Technical Information (OSTI), 2015. http://dx.doi.org/10.2172/1209213.

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Ellis, II, P. F., and A. F. Ferguson. Accelerated test methods for life prediction of hermetic motor insulation systems exposed to alternative refrigerant/lubricant mixtures. Final report. Office of Scientific and Technical Information (OSTI), 1995. http://dx.doi.org/10.2172/79028.

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