Publication

Optimization of a Heating, Cooling and Power Generation District Unit based on a Solid Oxide Fuel Cell - Gas Turbine Combined Cycle from the Viewpoints of Cost and CO2 Emissions

Daniel Favrat
2002
Conference Papers

Abstract

In this paper, a district heating, cooling and power generation unit has been evaluated from the viewpoints of cost and CO2 emissions. The superstructure considered includes a solid oxide fuel cell and gas turbine (SOFC-GT) combined cycle, a compression heat pump, an absorption chiller, a compression chiller and an additional boiler. Both physical and costing modeling has been developed for evaluating the economics and environmental benefits associated with the design and the operation of several possible configurations for given heating and cooling requirements of small building clusters. The optimization process undertaken with a new multi-objective evolutionnary algorithm reveals the high potentional of CO2 emissions mitigation achievable with the implementation of advanced integrated energy systems within urban areas.

Official source

https://infoscience.epfl.ch/entities/publication/1dd47970-66a7-4aa5-804a-026ab1d16eba

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Daniel Favrat
2002
Conference Papers

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/1dd47970-66a7-4aa5-804a-026ab1d16eba

About this result

Related concepts (32)

Vapor-compression refrigeration

Vapour-compression refrigeration or vapor-compression refrigeration system (VCRS), in which the refrigerant undergoes phase changes, is one of the many refrigeration cycles and is the most widely used method for air conditioning of buildings and automobiles. It is also used in domestic and commercial refrigerators, large-scale warehouses for chilled or frozen storage of foods and meats, refrigerated trucks and railroad cars, and a host of other commercial and industrial services.

Absorption refrigerator

An absorption refrigerator is a refrigerator that uses a heat source (e.g., solar energy, a fossil-fueled flame, waste heat from factories, or district heating systems) to provide the energy needed to drive the cooling process. The system uses two coolants, the first of which performs evaporative cooling and is then absorbed into the second coolant; heat is needed to reset the two coolants to their initial states. The principle can also be used to air-condition buildings using the waste heat from a gas turbine or water heater.

Chiller

A chiller is a machine that removes heat from a liquid coolant via a vapor-compression, adsorption refrigeration, or absorption refrigeration cycles. This liquid can then be circulated through a heat exchanger to cool equipment, or another process stream (such as air or process water). As a necessary by-product, refrigeration creates waste heat that must be exhausted to ambience, or for greater efficiency, recovered for heating purposes. Vapor compression chillers may use any of a number of different types of compressors.

Related publications (32)

Optimization of a Heating, Cooling and Power Generation District Unit based on a Solid Oxide Fuel Cell - Gas Turbine Combined Cycle from the Viewpoints of Cost and CO2 Emissions

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