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A novel hybrid adsorption heat pump water heater

โœ Scribed by Lihua Dong; Yuko Suzuki; Noriyuki Kobayashi

Publisher
John Wiley and Sons
Year
2009
Tongue
English
Weight
436 KB
Volume
87
Category
Article
ISSN
0008-4034

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โœฆ Synopsis

Abstract

A hybrid adsorption heat pump water heater has been studied for domestic use. It is a water heater with dual heat sources, and it combines the performances of adsorption heat pumps and conventional gas boilers. Moreover, functional adsorbent materialโ€zeolite (FAMโ€Z02, Mitsubishi Chemicals) and water are a new adsorption pair for adsorption heat pumps. This article describes the operation, design, and performance analysis of one such waterโ€heating device. The experimental results showed that the hybrid water heater in the whole year has a stable COP even at low ambient temperature. The hybrid water heater can thus achieve high energy efficiency.

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โœ Melkon Tatlฤฑer; Birgรผl Tantekin-Ersolmaz; AyลŸe Erdem-ลženatalar ๐Ÿ“‚ Article ๐Ÿ“… 1999 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 207 KB

A mathematical model is developed for a novel arrangement proposed in order to cope with the drawbacks originating from the inefficient heat and mass transfer in adsorption heat pumps. The zeolite, used as the adsorbent, is envisioned to be synthesized on the surfaces of heat exchanger tubes as cont