A high performance dehumidifier for solar desiccant cooling systems
An advanced-design, one-tenth scale dehumidifier for use in residential solar desiccant cooling systems has been built and tested. The new dehumidifier was designed using a parallel-passage geometry, where air flows through channels formed by walls coated with fine-ground silica gel desiccant. This concept has a high heat and mass transfer effectiveness and promises to double the coefficient of performance of the desiccant cooling system to 1.1 kW cooling output/kW thermal input. The parallel-passage design was found to have very low pressure drop, typically 20 Pa (.08 in. water) at design conditions. The low fan power required to drive such low pressure drop components indicates that electrical COP's in the range of 8.0-8.2 kW cooling output/kW electrical input are possible. Results to be presented include parametric studies of the effect of conditions such as temperature and humidity and design parameters such as desiccant particle size and channel spacing on dehumidifier performance.
- Research Organization:
- Solar Energy Research Institute, Golden, CO
- OSTI ID:
- 5353863
- Report Number(s):
- CONF-830812-
- Journal Information:
- Proc., Intersoc. Energy Convers. Eng. Conf.; (United States), Vol. 4; Conference: 18. intersociety energy conversion engineering conference, Orlando, FL, USA, 21 Aug 1983
- Country of Publication:
- United States
- Language:
- English
Similar Records
Performance of the SERI parallel-passage dehumidifer
Heat and mass transfer analysis of a desiccant dehumidifier matrix
Related Subjects
32 ENERGY CONSERVATION, CONSUMPTION, AND UTILIZATION
DEHUMIDIFIERS
DESIGN
PERFORMANCE
SOLAR COOLING SYSTEMS
DESICCANTS
AIR FLOW
BLOWERS
COEFFICIENT OF PERFORMANCE
GEOMETRY
HEAT TRANSFER
HUMIDITY
MASS TRANSFER
PARTICLE SIZE
PRESSURE DROP
RESIDENTIAL BUILDINGS
SILICA GEL
SPACE DEPENDENCE
TEMPERATURE EFFECTS
TESTING
WALLS
ADSORBENTS
BUILDINGS
ENERGY TRANSFER
EQUIPMENT
FLUID FLOW
GAS FLOW
MATHEMATICS
SIZE
SOLAR EQUIPMENT
140901* - Solar Thermal Utilization- Space Heating & Cooling
320101 - Energy Conservation
Consumption
& Utilization- Residential Buildings- (-1987)