선택한 단어 수는 입니다.
최소 단어 이상 선택하여야 합니다.
최소 단어 이상 선택하여야 합니다.
선택한 단어 수는 30입니다.
최대 10 단어까지만 선택 가능합니다.
최대 10 단어까지만 선택 가능합니다.
문제 정의
- Denmark has announced a ban of R23 from the beginning of 2006(14, and there are reports that Austria and Switzerland may follow suit(15, (16- Therefore, because of several ban of this refrigerant, new alternatives refrigerant must be studied and developed. This study is aimed to investigate performance of ethane on the low of 2-stage cascade refrigerating system under the various evaporating temperature at the lower stage cycle. R22 will be employed on the high stage to cool down the low-pressure cascade condenser.
가설 설정
- This calculation base on assumption that the processes occur in the Ideal condition, with steady flow condition and no pressure drop, therefore, tempera ture and pressure in the each line (suction line, dischai^e line, liquid line) will be constant. Thus, temperature and pressure of evaporator outlet will be same as compressor inlet and so on.
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