Experimental Investigations of Non-Stationary Heat and Mass Transfer with Reversible Air Flow through Fixed Layers of Absorbent and Heat-Accumulating Packing

IF 1.3 4区 工程技术 Q3 ENGINEERING, MECHANICAL
I. V. Mezentsev, S. I. Mezentsev, Z. Wu, S. R. Gorelik, N. N. Mezentseva
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引用次数: 0

Abstract

The paper presents the results of an experimental study of non-stationary heat and mass transfer in reversible modes of air flow through fixed layers of an adsorbent and a heat-accumulating packing. Gravel screening with polydisperse composition and average particle size of 12.6 mm was used as a heat-accumulating packing, and composite adsorbent IK-011-1 granules of cylindrical shape with diameter of 2.8 mm and length of 5 mm to 7 mm were used as a sorbent. The flow rate of the supplied air was 253 m3/h. The studies showed that the heat recovery rate varied in the range from 0.80 to 0.91, and the moisture recovery rate ranged from 0.60 to 0.84. With such rates, a regenerative heat-and-mass transfer setup becomes a promising device for utilizing heat and moisture in a ventilation system.

Abstract Image

Abstract Image

通过固定层吸热和蓄热填料进行可逆气流非静态传热和传质的实验研究
摘要本文介绍了吸附剂和蓄热填料固定层间可逆气流非定常传热传质的实验研究结果。采用多分散组成、平均粒径为12.6 mm的砾石筛分作为蓄热填料,采用直径为2.8 mm、长度为5mm ~ 7mm的圆柱形复合吸附剂IK-011-1作为吸附剂。送风流量为253 m3/h。研究表明,热回收率在0.80 ~ 0.91之间,水分回收率在0.60 ~ 0.84之间。在这样的速率下,蓄热传质装置成为在通风系统中利用热量和水分的有前途的装置。
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来源期刊
Journal of Engineering Thermophysics
Journal of Engineering Thermophysics THERMODYNAMICS-ENGINEERING, MECHANICAL
CiteScore
2.30
自引率
12.50%
发文量
0
审稿时长
3 months
期刊介绍: Journal of Engineering Thermophysics is an international peer reviewed journal that publishes original articles. The journal welcomes original articles on thermophysics from all countries in the English language. The journal focuses on experimental work, theory, analysis, and computational studies for better understanding of engineering and environmental aspects of thermophysics. The editorial board encourages the authors to submit papers with emphasis on new scientific aspects in experimental and visualization techniques, mathematical models of thermophysical process, energy, and environmental applications. Journal of Engineering Thermophysics covers all subject matter related to thermophysics, including heat and mass transfer, multiphase flow, conduction, radiation, combustion, thermo-gas dynamics, rarefied gas flow, environmental protection in power engineering, and many others.
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