Indirect evaporative cooler using membrane-contained, liquid desiccant for dehumidification
Abstract
An indirect evaporative cooler for cooling inlet supply air from a first temperature to a second, lower temperature using a stream of liquid coolant and a stream of exhaust or purge air. The cooler includes a first flow channel for inlet supply air and a second flow channel adjacent the first for exhaust air. The first and second flow channels are defined in part by sheets of a membrane permeable to water vapor such that mass is transferred as a vapor through the membrane from the inlet supply air to a contained liquid desiccant for dehumidification and also to the exhaust air as heat is transferred from the inlet supply air to the liquid coolant. A separation wall divides the liquid desiccant and the coolant but allows heat to be transferred from the supply air to the coolant which releases water vapor to the counter or cross flowing exhaust air.
- Inventors:
- Issue Date:
- Research Org.:
- National Renewable Energy Laboratory (NREL), Golden, CO (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1143660
- Patent Number(s):
- 8769971
- Application Number:
- 12/864,071
- Assignee:
- Alliance for Sustainable Energy, LLC (Golden, CO)
- Patent Classifications (CPCs):
-
F - MECHANICAL ENGINEERING F24 - HEATING F24F - AIR-CONDITIONING
F - MECHANICAL ENGINEERING F28 - HEAT EXCHANGE IN GENERAL F28D - HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- DOE Contract Number:
- AC36-99GO10337
- Resource Type:
- Patent
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 47 OTHER INSTRUMENTATION
Citation Formats
Kozubal, Eric Joseph, and Slayzak, Steven Joseph. Indirect evaporative cooler using membrane-contained, liquid desiccant for dehumidification. United States: N. p., 2014.
Web.
Kozubal, Eric Joseph, & Slayzak, Steven Joseph. Indirect evaporative cooler using membrane-contained, liquid desiccant for dehumidification. United States.
Kozubal, Eric Joseph, and Slayzak, Steven Joseph. Tue .
"Indirect evaporative cooler using membrane-contained, liquid desiccant for dehumidification". United States. https://www.osti.gov/servlets/purl/1143660.
@article{osti_1143660,
title = {Indirect evaporative cooler using membrane-contained, liquid desiccant for dehumidification},
author = {Kozubal, Eric Joseph and Slayzak, Steven Joseph},
abstractNote = {An indirect evaporative cooler for cooling inlet supply air from a first temperature to a second, lower temperature using a stream of liquid coolant and a stream of exhaust or purge air. The cooler includes a first flow channel for inlet supply air and a second flow channel adjacent the first for exhaust air. The first and second flow channels are defined in part by sheets of a membrane permeable to water vapor such that mass is transferred as a vapor through the membrane from the inlet supply air to a contained liquid desiccant for dehumidification and also to the exhaust air as heat is transferred from the inlet supply air to the liquid coolant. A separation wall divides the liquid desiccant and the coolant but allows heat to be transferred from the supply air to the coolant which releases water vapor to the counter or cross flowing exhaust air.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2014},
month = {7}
}
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