Publication

Design of the heat exchanger network for the SOFC-GT concept

2013
Student Projects

Abstract

Within the challenge of sustainability, climate change mitigation and energy supply a promising way of more rational energy conversion is decentralized power generation and the co-production of power and heat. The combination of a solid oxide fuel cell (SOFC) with a gas turbine (GT) in an hybrid system is considered as a promising technology in this context. The process performance is highly influenced by the optimal energy integration satisfying cooling and heating requirements. Therefore, the goal of this project consists in the study of the heat exchange phenomena and of the design of the heat exchanger network.

Official source

https://infoscience.epfl.ch/entities/publication/4c6ab8fd-19aa-429f-99e8-16bb41f71891

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2013
Student Projects

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/4c6ab8fd-19aa-429f-99e8-16bb41f71891

About this result

Related concepts (32)

Heat exchanger

A heat exchanger is a system used to transfer heat between a source and a working fluid. Heat exchangers are used in both cooling and heating processes. The fluids may be separated by a solid wall to prevent mixing or they may be in direct contact. They are widely used in space heating, refrigeration, air conditioning, power stations, chemical plants, petrochemical plants, petroleum refineries, natural-gas processing, and sewage treatment.

Heat pump

A heat pump is a device that uses work to transfer heat from a cool space to a warm space by transferring thermal energy using a refrigeration cycle, cooling the cool space and warming the warm space. In cold weather a heat pump can move heat from the cool outdoors to warm a house; the pump may also be designed to move heat from the house to the warmer outdoors in warm weather. As they transfer heat rather than generating heat, they are more energy-efficient than other ways of heating a home.

Solid oxide fuel cell

A solid oxide fuel cell (or SOFC) is an electrochemical conversion device that produces electricity directly from oxidizing a fuel. Fuel cells are characterized by their electrolyte material; the SOFC has a solid oxide or ceramic electrolyte. Advantages of this class of fuel cells include high combined heat and power efficiency, long-term stability, fuel flexibility, low emissions, and relatively low cost. The largest disadvantage is the high operating temperature which results in longer start-up times and mechanical and chemical compatibility issues.

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Design of the heat exchanger network for the SOFC-GT concept

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