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- W2337402837 startingPage "3327" @default.
- W2337402837 abstract "본 연구에서는 천연가스의 냉각을 위한 프로판을 냉매로 사용한 단일 및 다단 냉동 사이클에 대한 소요 에너지를 비교하였다. 이를 위해서 천연가스의 온도를<TEX>$ -37.00^{circ}C$</TEX>까지 냉각시키기 위해서 프로판을 냉매로 사용하여 1단 압축 및 2단, 3단, 4단 압축을 이용한 냉동 사이클에 대한 비교 연구를 수행하였다. 전산모사를 위해 한국가스공사로부터 제공받은 천연가스 조성을 적용하였으며, 열역학 모델식으로는 Peng-Robinson 상태방정식을 적용하였다. 냉동기 압축 단수가 증가할수록 응축기의 heatduty는 점점 줄어드는 것을 알 수 있었다. 4단 압축공정의 경우 1단 압축공정에 비해 응축기의 heatduty는 약 20.36% 정도 감소하였으며 냉매의 총 순환 유량은 약 14.53% 감소하였다. 또한 4단 압축공정의 경우 1단 압축공정에 비해 압축기의 총 소요 동력은 약 41.61% 감소함을 알 수 있었다. In this study, comparison works have been performed for single-stage and multi-stage refrigeration cycle using propane as a refrigerant in order to cool down the natural gas stream. A comparative analysis has been performed for a single, two, three and four stage refrigeration cycle using propane as a refrigerant for cooling the natural gas stream. For the simulation, natural gas feedstock properties supplied by KOGAS were utilized and Peng-Robinson equation of state model was used. As the number of compression stages increase, the condenser heat duty is decreased. The refrigeration heat duty for a four-stage refrigeration cycle is decreased by 20.36% compared to that for a single-stage refrigeration cycle. Moreover, the total refrigerant circulation rate for a four-stage refrigeration system is was reduced by 14.53% compared to the single stage refrigeration cycle. The total compression power for a four-stage compression was reduced by 41.61% compared to the single stage compression." @default.
- W2337402837 created "2016-06-24" @default.
- W2337402837 creator A5031101343 @default.
- W2337402837 date "2014-05-31" @default.
- W2337402837 modified "2023-09-26" @default.
- W2337402837 title "A comparative study on the simulation of single-stage and multi-stage refrigeration cycle using propane as a refrigerant" @default.
- W2337402837 cites W1993296472 @default.
- W2337402837 cites W2044459961 @default.
- W2337402837 cites W2072223767 @default.
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- W2337402837 doi "https://doi.org/10.5762/kais.2014.15.5.3327" @default.
- W2337402837 hasPublicationYear "2014" @default.
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