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Modeling of solid-side mass transfer in desiccant particle beds

Conference ·
OSTI ID:6881795
;
A model is proposed for heat and mass transfer in a packed bed of desiccant particles and accounts for both Knudsen and surface diffusion within the particles. Using the model, predictions are made for the response of thin beds of silica gel particles to a step change in air inlet conditions compared to mental results. The predictions are found to be satisfactory and, in general, superior to those of pseudogas-side controlled models commonly used for the design of desiccant dehumidifiers for solar air conditioning application.
Research Organization:
Solar Energy Research Inst., Golden, CO (USA); Auckland Univ. (New Zealand)
DOE Contract Number:
AC02-83CH10093
OSTI ID:
6881795
Report Number(s):
SERI/TP-252-2170; CONF-840402-6; ON: DE84004436
Country of Publication:
United States
Language:
English

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Related Subjects

14 SOLAR ENERGY
140901* -- Solar Thermal Utilization-- Space Heating & Cooling
ADSORBENTS
AIR CONDITIONING
DEHUMIDIFICATION
DEHUMIDIFIERS
DESICCANT BEDS
DESICCANTS
DIFFUSION
ENERGY TRANSFER
FLUID FLOW
GAS FLOW
HEAT TRANSFER
KNUDSEN FLOW
MASS TRANSFER
MATHEMATICAL MODELS
PACKED BED
PARTICLES
SILICA GEL
SOLAR AIR CONDITIONING