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Technical Briefs

Permeability and Thermal Conductivity of Compact Adsorbent of Salts for Sorption Refrigeration

[+] Author and Article Information
L. Jiang, Z. Q. Jin, B. Tian, R. Z. Wang

Institute of Refrigeration and Cryogenics,  Shanghai Jiao Tong University, Shanghai 200240, China

L. W. Wang1

Institute of Refrigeration and Cryogenics,  Shanghai Jiao Tong University, Shanghai 200240, Chinalwwang@sjtu.edu.cn

1

Corresponding author.

J. Heat Transfer 134(10), 104503 (Aug 07, 2012) (6 pages) doi:10.1115/1.4006751 History: Received July 26, 2011; Revised April 25, 2012; Published August 07, 2012; Online August 07, 2012

Properties, such as thermal conductivity and permeability, are important for the heat and mass transfer performance in sorption refrigeration. This Technical Brief investigates the thermal conductivity and permeability of eight types of chlorides, which are consolidated with expanded natural graphite (ENG) for the heat transfer intensification.

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Copyright © 2012 by American Society of Mechanical Engineers
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Figures

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Figure 1

Manufacturing process of adsorbent. (a) Drying process of granular ENG, (b) drying process of granular salts, (c) dissolving the granular salts with water, (d) the composite adsorbent of salts, ENG, and water, (e) compressing process of composite adsorbent, (f) drying process of the consolidated adsorbent, and (g) the consolidated composite adsorbent for the test.

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Figure 2

Bulk density of salt versus density of composite adsorbents

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Figure 3

The thermal conductivity test system (a) the system, (b) test unit of thermal conductivity, and (c) heater and cooler for the system

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Figure 4

The permeability test system (a) the system and (b) the test unit

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Figure 5

Thermal conductivity of eight different compact adsorbents (a) LTSs, (b) MTSs, and (c) HTSs

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Figure 6

Permeability of compact adsorbents (a) permeability versus density for the salt proportion of 50% and (b) permeability versus proportion of salt for the density of 400 kg/m3

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