Showing 1 - 10 of 28
Trigeneration, which is able to provide cooling, heating and power, has been advocated to be a sustainable solution for building use in the urban area. With the high-temperature feature and maintenance convenience, solid oxide fuel cell (SOFC) becomes a promising prime mover of trigeneration. In...
Persistent link: https://www.econbiz.de/10010729393
This paper presents a review on combined cooling, heating, and power (CCHP) systems. This work summarizes the methods used to perform energetic and exergetic analyses, system optimization, performance improvement studies, and development and analysis of CCHP systems, as reported in existing...
Persistent link: https://www.econbiz.de/10011076457
A modern supermarket energy control system has a concurrent need for electricity, space heating or cooling, and food refrigeration. The power supply to the supermarket is primarily from the national grid, where losses in efficiency are due to the processes of energy conversion and transmission....
Persistent link: https://www.econbiz.de/10010702594
This paper evaluates the potential of integrating renewable energy technological resources for tri-generation applications in an island. The integrated tri-generation system has to be self-sustaining in delivering cooling, heating and power. Several CCHP (combined cooling heating and power)...
Persistent link: https://www.econbiz.de/10010718855
Performance of the combined cooling, heating and power (CCHP) systems depends on the system structure, power flow strategy and the choice of facility capacity. This paper presents a matrix modeling approach to optimize the CCHP system. Modeled in a matrix form, the CCHP system can be viewed as...
Persistent link: https://www.econbiz.de/10010602984
Performance and economical efficiency of the combined cooling, heating and power (CCHP) system mainly depend on the system structure, operation strategy and choice of facility capacity. This paper proposes a structural configuration of the CCHP system with hybrid chillers, consisting of a...
Persistent link: https://www.econbiz.de/10010571892
The design and operation of combined cooling, heating and power (CCHP) systems are greatly dependent upon the seasonal atmospheric conditions, which determine thermal and power demands of buildings. This paper presents a mathematical analysis of CCHP system in comparison to separate system. The...
Persistent link: https://www.econbiz.de/10008918979
A model is developed for an existing organic Rankine cycle (ORC) utilizing a low-temperature geothermal brine including the performance characteristics of the components. The model is validated with a set of 7200 operation data collected in one-year. The operation of the ORC is optimized...
Persistent link: https://www.econbiz.de/10010906270
In recent years, more and more attention has been paid to organic Rankine cycle (ORC), which is simply structured, highly reliable and easily maintainable. In order to improve the efficiency of ORC systems, zeotropic mixtures whose phase change process is variable temperature, are used as...
Persistent link: https://www.econbiz.de/10010906291
A novel organic Rankine cycle (ORC) with multiple expanders used in parallel (PE-ORC) is proposed for the efficient recovery of waste heat in applications in which there are typically large variations in the amount of heat produced, such as in heavy vehicles and in distributed energy systems...
Persistent link: https://www.econbiz.de/10011263262