A performance comparison of vapour-compression refrigeration system using various alternative refrigerants
บทความในวารสาร
ผู้เขียน/บรรณาธิการ
กลุ่มสาขาการวิจัยเชิงกลยุทธ์
ไม่พบข้อมูลที่เกี่ยวข้อง
รายละเอียดสำหรับงานพิมพ์
รายชื่อผู้แต่ง: Dalkilic A.S., Wongwises S.
ผู้เผยแพร่: Elsevier
ปีที่เผยแพร่ (ค.ศ.): 2010
วารสาร: International Communications in Heat and Mass Transfer (0735-1933)
Volume number: 37
Issue number: 9
หน้าแรก: 1340
หน้าสุดท้าย: 1349
จำนวนหน้า: 10
นอก: 0735-1933
eISSN: 1879-0178
ภาษา: English-Great Britain (EN-GB)
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บทคัดย่อ
A theoretical performance study on a traditional vapour-compression refrigeration system with refrigerant mixtures based on HFC134a, HFC152a, HFC32, HC290, HC1270, HC600, and HC600a was done for various ratios and their results are compared with CFC12, CFC22, and HFC134a as possible alternative replacements. In spite of the HC refrigerants' highly flammable characteristics, they are used in many applications, with attention being paid to the safety of the leakage from the system, as other refrigerants in recent years are not related with any effect on the depletion of the ozone layer and increase in global warming. Theoretical results showed that all of the alternative refrigerants investigated in the analysis have a slightly lower performance coefficient (COP) than CFC12, CFC22, and HFC134a for the condensation temperature of 50 ฐC and evaporating temperatures ranging between -30 ฐC and 10 ฐC. Refrigerant blends of HC290/HC600a (40/60 by wt.%) instead of CFC12 and HC290/HC1270 (20/80 by wt.%) instead of CFC22 are found to be replacement refrigerants among other alternatives in this paper as a result of the analysis. The effects of the main parameters of performance analysis such as refrigerant type, degree of subcooling, and superheating on the refrigerating effect, coefficient of performance and volumetric refrigeration capacity are also investigated for various evaporating temperatures. ฉ 2010.
คำสำคัญ
Butane, Hydrocarbon mixture, Isobutane, Propane, R12, R22, R32