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A review of metallic radiation recuperators for thermal exhaust heat recovery
Harshdeep Sharma,Anoop Kumar,Varun,Sourabh Khurana 대한기계학회 2014 JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY Vol.28 No.3
Radiation recuperator is a class of indirect contact heat exchanger widely used for waste heat recovery in high temperature industrialapplications. At higher temperatures heat loss is higher and as the cost of energy continues to rise, it becomes imperative to save energyand improve overall energy efficiency. In this light, a radiation recuperator becomes a key component in an energy recovery system withgreat potential for energy saving. Improving recuperator performance, durability, and its design and material considerations has been anongoing concern. Recent progress in furnace design and micro turbine applications together with use of recuperators has resulted in reducedfuel consumption, increased cost effectiveness and short pay-back time periods. Due to its high commercial value and confidentialnature of the industry, little information is available in the open literature as compared to convection recuperators where results are welldocumented. This review paper intends to bridge the gap in literature and provides valuable information on experimental and theoreticalinvestigations in radiation recuperator development along with identification of some unresolved issues.