scholarly journals Analytical Solutions of Mass Transfer around a Prolate or an Oblate Spheroid Immersed in a Packed Bed

10.5772/14997 ◽  
2011 ◽  
Author(s):  
J.M.P.Q. Delgado ◽  
M. Vzquez da Silv
Keyword(s):  
Mass Transfer ◽  
Analytical Solutions ◽  
Oblate Spheroid ◽  
Packed Bed

Multilevel cross flow rotating packed bed to enhance gas film control mass transfer process

2021 ◽  
Vol 161 ◽  
pp. 108321
Author(s):  
Qing-Qing Duan ◽  
Zhi-Guo Yuan ◽  
You-Zhi Liu ◽  
Shan-Shan Duan ◽  
Xi-Fan Duan
Keyword(s):  
Mass Transfer ◽  
Transfer Process ◽  
Cross Flow ◽  
Mass Transfer Process ◽  
Packed Bed ◽  
Rotating Packed Bed

An Analysis of Packed Bed Liquid Desiccant System

2013 ◽  
Vol 390 ◽  
pp. 680-684
Author(s):  
Hesamoddin Salarian
Keyword(s):  
Mass Transfer ◽  
Volume Ratio ◽  
Packed Bed ◽  
Characteristic Parameter ◽  
Flow Rate Ratio ◽  
Liquid Desiccant ◽  
Packed Tower ◽  
Air Conditioning System ◽  
New Type ◽  
Packing Size

In this paper a new type of open absorption the liquid desiccant, air conditioning system will be introduced. The dehumidifier and regenerator play the most important role in this system.For liquid-gas contact, packed towers with low pressure drop provide good heat and mass transfer characteristics for compact designs. Thus, this analysis considers the packed tower liquid desiccant systems. The experimental data have been obtained from a built prototype of liquid desiccant system in a packed bed unit with a surface area per unit volume ratio of 125m2/m3, the liquid desiccant, viz lithium chloride. The result showed that the mean mass transfer coefficient of the packing dehumidifier was 0.02kg/m2s. Also the absorber characteristic parameter, the packing size or number of transfer units (NTU), and air-to-desiccant solution mass flow rate ratio (ASMR) are crucial parameters. These parameters affect humidity and enthalpy effectiveness and will be introduced and defined in this paper.

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