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Energy and Environment, 1995

ISBN:
1-56700-052-5 (Print)

SOLID SORPTION MACHINES: A CONTRIBUTION TO CLEAN ENERGY TECHNOLOGY

A. Isselhorst
University of Stuttgart, Germany

Manfred Groll
Institute of Nuclear Technology and Energy Systems, University of Stuttgart, Pfaffenwaldring 31, 70569 Stuttgart, Germany

Abstract

The operational principle and some machine designs of solid sorption machines are discussed. The paper comprises the economic feasibility of selected metal hydride machines for industrial applications, viz. a two-stage heat transformer (in the MW-range) for upgrading thermal energy from about 130 to 140°C up to 200°C or more, a double-effect refrigerator (100 kW-range) to provide cold of about 0 to − 1 0°C, and a smaller system for combined room heating and air conditioning applications in the domestic sector (10 kW-range).