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2021
This paper presents the results of numerical simulation of coupled heat and mass transfer during the adsorption and desorption phases of fixed/stationary/packed desiccant beds under wide operating conditions. The bed containing fixed and varying particle diameter distribution along the vertical axial direction has been investigated. A CFD code has been
Selvaraji Muthu, N. Sekarapandian
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This paper presents the results of numerical simulation of coupled heat and mass transfer during the adsorption and desorption phases of fixed/stationary/packed desiccant beds under wide operating conditions. The bed containing fixed and varying particle diameter distribution along the vertical axial direction has been investigated. A CFD code has been
Selvaraji Muthu, N. Sekarapandian
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Exergy analysis of flow dehumidification by solid desiccants
Energy, 2005Abstract Equations for the temporal and spatial exergy values and changes in the humid air stream and the desiccant for flow of humid air over desiccants and in desiccant-lined channels were established, and solved based on a thorough transient conjugate numerical analysis of laminar and turbulent flow, heat, and mass transfer that yielded the full ...
Noam Lior, Hassan S. Al-Sharqawi
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Industrial & Engineering Chemistry Research, 2015
Solid composite desiccants are fabricated by impregnating LiCl into pores of SBA-15 and MCM-41 mesoporous silicates. In the study, characteristics including textural properties and equilibrium and dynamic water sorption were tested and analyzed. Research on nitrogen adsorption suggested that because of the impregnated salt, composite desiccants were ...
X. Zheng, T. S. Ge, L. M. Hu, R. Z. Wang
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Solid composite desiccants are fabricated by impregnating LiCl into pores of SBA-15 and MCM-41 mesoporous silicates. In the study, characteristics including textural properties and equilibrium and dynamic water sorption were tested and analyzed. Research on nitrogen adsorption suggested that because of the impregnated salt, composite desiccants were ...
X. Zheng, T. S. Ge, L. M. Hu, R. Z. Wang
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The Effect of Flow-Duct Geometry on Solid Desiccant Dehumidification
ASME/JSME 2007 Thermal Engineering Heat Transfer Summer Conference, Volume 3, 2007This study presents a comparative numerical solution of a conjugate-transient three-dimensional heat and mass transfer problem between a solid desiccant (silica gel) and a humid transient-laminar air stream in ducts with different cross sectional geometries: square, circular, and triangular. The problem is solved by using a finite control-volume method,
Hassan S. Al-Sharqawi, Noam Lior
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Dehydration of natural gas using solid desiccants
Energy, 2001Abstract Natural gas is an important source of primary energy that, under normal production conditions, is saturated with water vapor. Water vapor increases natural gases' corrosivity, especially when acid gases are present. Several methods can be used to dry natural gas and, in this paper, a solid desiccant dehydrator using silica gel is considered ...
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Impact of adsorbent characteristics on performance of solid desiccant wheel
Energy, 2018Abstract This study was to investigate the impact of the characteristics of adsorbents on the performance of the desiccant wheel. Since the physical parameters of different wheels are not identical, the measured results would not truly reflect the sole influence of the adsorbents. As such, the performances of the desiccant wheels using RD silica gel (
K.F. Fong, C.K. Lee
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Performance testing of a rotary bed solid desiccant dehumidifier
International Journal of Ambient Energy, 1990SYNOPSIS In the present communication, the authors have studied the performance of a rotary bed solid desiccant adiabatic dehumidifier. A Bry-Air dehumidifier has been installed in Delhi at the Solar Refrigeration Laboratory of the Centre of Energy Studies and performance testing has been carried out.
Y. Kumar, S. C. Kaushik
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Performance study of new adsorbent for solid desiccant cooling
Energy, 2005Abstract The properties of 13x, silica gel, DH-5 and DH-7 adsorbents proposed by authors in solid desiccant cooling system were investigated. The adsorption isotherms of adsorbents were obtained. Cooling capacity as functions of time had been determined in the experimental device, which accomplished the behavior of adsorbent desiccant cooling.
Qun Cui +3 more
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Modeling and analysis of a solid desiccant cooling system
AIP Conference Proceedings, 2023Manoj Gwalwanshi, Yashvir Singh
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