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Investigation on heat and mass transfer performance of novel composite strontium chloride for sorption reactors

Lookup NU author(s): Dr Long Jiang, Dr Yiji Lu, Ke Tang, Dr Yaodong Wang, Professor Tony Roskilly

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This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License (CC BY-NC-ND).


Abstract

© 2017 Elsevier Ltd A novel composite strontium chloride (SrCl2) is developed with porous material of expanded natural graphite (ENG) and nanoparticle of carbon coated aluminum (Al@C) as the additives. Samples with different densities and mass ratios of salt are produced and classified into disk and plate types which are parallel and perpendicular to the compression direction, respectively. Thermal conductivity is investigated by laser flash measuring method whereas permeability is tested through Ergun model. It is indicated that with regard to thermal conductivity and permeability, plate samples show the better performance than that of disk samples. The highest thermal diffusivity could reach 5.7 mm2·s−1 when the density is 800 kg·m−3. Correspondingly the highest thermal conductivity is 2.96 W·m−1·K−1, which is about 15 times higher than that of ordinary granular SrCl2. Permeability of plate and disk samples range from 9.9 × 10−10 m2 to 9.89 × 10−14 m2 and 2.91 × 10−10 m2 to 2.46 × 10−14 m2 when the density ranges between 400 kg·m−3 and 600 kg·m−3. The possible applications are presented and compared by using heat and mass properties of novel composite SrCl2, which show their respective advantages when simulating the performance for the different reactors.


Publication metadata

Author(s): Jiang L, Lu YJ, Tang K, Wang YD, Wang R, Roskilly AP, Wang L

Publication type: Article

Publication status: Published

Journal: Applied Thermal Engineering

Year: 2017

Volume: 121

Pages: 410-418

Print publication date: 05/07/2017

Online publication date: 22/04/2017

Acceptance date: 20/04/2017

ISSN (print): 1359-4311

ISSN (electronic): 1873-5606

Publisher: Elsevier Ltd

URL: https://doi.org/10.1016/j.applthermaleng.2017.04.092

DOI: 10.1016/j.applthermaleng.2017.04.092


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