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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2012.8
- 수록면
- 382 - 389 (8page)
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Power generation cycle using ammonia-water mixture as working fluid has attracted much attention because of its ability to efficiently convert low-temperature heat source into useful work. If an ammonia-water power cycle is combined with a power cycle using liquefied natural gas (LNG), the conversion efficiency could be further improved owing to the cold energy of LNG at -162℃. In this work parametric study is carried out on the thermodynamic performance of a power cycle consisted of an ammonia-water Rankine cycle as an upper cycle and a LNG cycle as a bottom cycle. As a driving energy the combined cycle utilizes a low-temperature heat source in the form of sensible heat. The effects on the system performance of the system parameters such as ammonia concentration (x<sub>b</sub>), turbine 1 inlet pressure (P<sub>H1</sub>)) and temperature (T<sub>H1</sub>), and condenser outlet temperature (T<sub>L1</sub>) are extensively investigated. Calculation results show that thermal efficiency increases with the increase of P<sub>H1</sub>, T<sub>H1</sub> and the decrease of T<sub>L1</sub>, while its dependence on x<sub>b</sub> has a downward convex shape. The changes of net work generation with respect to P<sub>H1</sub>, T<sub>H1</sub>, T<sub>L1</sub>, and x<sub>b</sub> are roughly linear.
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참고문헌 (23)
참고문헌 신청
O.M. Ibrahim / 1996 / Design consideration for ammoniawater Rankine cycle / Energy 21:835~841
V.A. Prisyazhniuk / 2008 / Alternative trends in development of thermal power plant / Applied Thermal Engineering 28:190~194
B. Kiani / 2008 / Thermodynamic analysis of load-leveling hyper energy converting and utilization system / Energy 33:400~409
W. Nowak / 2008 / Possibilities of implementation of absorption heat pump in realization of the Clausius-Rankine cycle in geothermal power station / Applied Thermal Engineering 28:335~340
H.J. Song / 1985 / A study on the power generation technology utilizing LNG cold energy
V.A. Prisyazhniuk / 2008 / Alternative trends in development of thermal power plant / Applied Thermal Engineering 28:190~194
B. Kiani / 2008 / Thermodynamic analysis of load-leveling hyper energy converting and utilization system / Energy 33:400~409
W. Nowak / 2008 / Possibilities of implementation of absorption heat pump in realization of the Clausius-Rankine cycle in geothermal power station / Applied Thermal Engineering 28:335~340
H.J. Song / 1985 / A study on the power generation technology utilizing LNG cold energy
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