인문학
사회과학
자연과학
공학
의약학
농수해양학
예술체육학
복합학
지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
초록·키워드
In this research, a combined cycle using a solid oxide fuel cell system, a single-stage H<sub>2</sub>O-NH<sub>3</sub> absorption chiller and a residential hot water HX, is developed for the electricity production, hot water and cooling all at the same time, and it is studied from an exergy, energy, and exergoeconomic standpoint. Performance of system under the design condition is analyzed and the mathematical model is simulated. After analyzing the results in the initial input mode, changing the fuel cell current density effect and fuel utilization factor on the system efficiency is evaluated. The result indicates that total energy is 4.418 kW, the total exergy efficiency is 37.8%. And the overall irreversibility is 1.650 kW. On the other hand, the air HX, fuel cell and water HX are designed as elements that must be given more attention than others from the exergoeconomic perspective, because they have nearly the most amount of price compared to other parts.
#Exergy
#Absorption refrigerator
#Solid oxide fuel cell
#Process engineering
#Exergy efficiency
#Electricity
#Cogeneration
#Electricity generation
#Water cooling
#Environmental science
#Nuclear engineering
#Power (physics)
#Waste management
#Engineering
#Thermodynamics
#Mechanical engineering
#Refrigeration
#Chemistry
#Electrical engineering
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