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Low GWP refrigerants as alternatives to HCFC-22 in room air conditioners

Devotta, Sukumar / Padalkar, Atul S. / Mali, Kundlik V.

This article presents simulated and experimental performance evaluations of a few selected low global warming potential refrigerants as alternatives to HCFC-22 for room air conditioners. The alternatives considered are HC-290, HC-1270, HFC-161, HFC-32, and HFC-1234yf. The performance of each alternative has been evaluated by optimizing heat exchangers, compressors, and capillary for the maximum EER_AC. Experiments were also conducted as per IS 1391 Part 1 for a few alternatives, including HC-290, HFC-161, and HFC-32. HC-290 and HFC-32 gave an EER_AC of 3.7. The experiments indicate that HC-290 offers the best performance, and room air conditioners that have a capacity of less than 5.2 kW can meet the exiting safety standards. The discharge temperatures of HFC-32 are relatively high and need special attention in the compressor design. HFC-161 is also a potential ultra-low global warming potential alternative to HCFC-22, once its safety classification is established.

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Low GWP refrigerants as alternatives to HCFC-22 in room air conditioners

Devotta, Sukumar / Padalkar, Atul S. / Mali, Kundlik V.

This article presents simulated and experimental performance evaluations of a few selected low global warming potential refrigerants as alternatives to HCFC-22 for room air conditioners. The alternatives considered are HC-290, HC-1270, HFC-161, HFC-32, and HFC-1234yf. The performance of each alternative has been evaluated by optimizing heat exchangers, compressors, and capillary for the maximum EER_AC. Experiments were also conducted as per IS 1391 Part 1 for a few alternatives, including HC-290, HFC-161, and HFC-32. HC-290 and HFC-32 gave an EER_AC of 3.7. The experiments indicate that HC-290 offers the best performance, and room air conditioners that have a capacity of less than 5.2 kW can meet the exiting safety standards. The discharge temperatures of HFC-32 are relatively high and need special attention in the compressor design. HFC-161 is also a potential ultra-low global warming potential alternative to HCFC-22, once its safety classification is established.

Low GWP refrigerants as alternatives to HCFC-22 in room air conditioners

Devotta, Sukumar / Padalkar, Atul S. / Mali, Kundlik V.

This article presents simulated and experimental performance evaluations of a few selected low global warming potential refrigerants as alternatives to HCFC-22 for room air conditioners. The alternatives considered are HC-290, HC-1270, HFC-161, HFC-32, and HFC-1234yf. The performance of each alternative has been evaluated by optimizing heat exchangers, compressors, and capillary for the maximum EER_AC. Experiments were also conducted as per IS 1391 Part 1 for a few alternatives, including HC-290, HFC-161, and HFC-32. HC-290 and HFC-32 gave an EER_AC of 3.7. The experiments indicate that HC-290 offers the best performance, and room air conditioners that have a capacity of less than 5.2 kW can meet the exiting safety standards. The discharge temperatures of HFC-32 are relatively high and need special attention in the compressor design. HFC-161 is also a potential ultra-low global warming potential alternative to HCFC-22, once its safety classification is established.

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Title:

Low GWP refrigerants as alternatives to HCFC-22 in room air conditioners

Contributors:

Devotta, Sukumar (author) / Padalkar, Atul S. (author) / Mali, Kundlik V. (author)

Published in:

Science and Technology for the Built Environment ; 22 ; 1128-1135

Publication date:

2016-11-16

Size:

8 pages

ISSN:

2374-4731 , 2374-474X

DOI:

https://doi.org/10.1080/23744731.2016.1226091

Type of media:

Article (Journal)

Type of material:

Electronic Resource

Language:

English

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