Graphite fibres for chemical heat pump

Ph. Touzain; T. Dellero; D. Sarmeo

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Graphite fibres for chemical heat pump

机译：化学热泵用石墨纤维

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A chemical heat pump for heating or cooling applications is based on a reversible solid-gas sorption reaction between manganese chloride and ammonia. In order to enhance the machine power, thermal and mass transfer of the solid was improved by incorporation of about 25 /100 of carbon (or graphite) fibres into the salt. Owing to the high porosity and permeability of the mixture and to the high thermal conductivity of the carbon fibres, the energetic efficiency reaches about 100/100 and the system power becomes large. The recoverable energy is 1730 kJ/kg of salt for heating and 500 kJ/kg of salt for cooling taking into account the different performance coefficients.

机译：用于加热或冷却应用的化学热泵基于氯化锰和氨之间的可逆固-气吸附反应。为了提高机器功率，通过将约25/100的碳（或石墨）纤维掺入盐中来改善固体的传热和传质。由于混合物的高孔隙率和渗透性以及碳纤维的高热导率，能量效率达到约100/100，系统功率变大。考虑到不同的性能系数，加热时的可回收能量为1730 kJ / kg盐，冷却时为500 kJ / kg盐。

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来源
《Entropie》 |1999年第221期|p.30-35|共6页
作者
Ph. Touzain; T. Dellero; D. Sarmeo;
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原文格式 PDF
正文语种 eng
中图分类热力工程、热机;
关键词
energetics; chemical heat pumps; incorporation of carbon fibres into the solid salt;

机译：能量学化学热泵;将碳纤维掺入固体盐中;

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Graphite fibres for chemical heat pump

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