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Chemistry, 20.08.2021 14:10 vaizen9621
Cho chu trình làm lạnh dùng máy nén hơi môi chất là R134a. Hơi bão hoà khô R134a vào máy nén có i=390 (kJ/kg), ra khỏi máy nén có i=410 (kJ/kg). Trước van tiết lưu có i=220 (kJ/kg). Xác định năng suất lạnh riêng và hệ số làm lạnh của chu trình?.
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Cho chu trình làm lạnh dùng máy nén hơi môi chất là R134a. Hơi bão hoà khô R134a vào máy nén có i=39...
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