• exergy analysis of single mixed refrigerant process used in lng plant

    جزئیات بیشتر مقاله
    • تاریخ ارائه: 1392/07/24
    • تاریخ انتشار در تی پی بین: 1392/07/24
    • تعداد بازدید: 934
    • تعداد پرسش و پاسخ ها: 0
    • شماره تماس دبیرخانه رویداد: -
     this paper provides an exergy analysis for single mixed refrigerant process used in lng plants. the equation of exergy destruction and exergetic efficiency for the main system components such as heat exchanger, compressors and expansion valve are developed. the relations for total exergy destruction in the system and the system overall exergetic efficiency are obtained.also, combine pinch and exergy analysis based method; has been used to improve the overall exegetic efficiency of the refrigeration system through decreasing the temperature difference between the process and refrigerant streams in heat exchanger. it can help to determine which part of the process has the most lost work. hence, it will be easily to identify which sources of system should be optimized. the results show that the minimum work depends only on the properties of incoming and outgoing process streams cooled or heated with refrigeration system and ambient temperature.

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