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Low-cost personal cooling in hot humid offices. Feasibility study

Abstract

A solution, based on low-cost solar-powered air drying, to heat stress in buildings located in developing countries with a hot and humid climate is presented. The air-drying facilities are described and a validation of the ensuing benefits through comprehensive human exposure studies is given. A prototype of a solar powered supply system for dried air was constructed and supply air was led to six personal units for ventilation and cooling placed in cubicles simulating office workplaces. 123 heat-acclimatized people were exposed for one hour in each of the cubicles. It is concluded that drying indoor air reduces heat stress among heat-adapted people in hot and humid offices and that the low-cost solar powered air drying system functioned satisfactorily , although some improvements are recommended. The drying power of the sun can be stored in recovered silica gel beads and used for other purposes. It is suggested that further research could explore the possibility of desiccant drying of agricultural products during the rainy season. (ARW) 30 refs.
Authors:
Gunnarsen, L; [1]  Santos, A [2] 
  1. Danish Building Research Inst., (Denmark)
  2. Univ. of the Philippines, Diliman (Philippines)
Publication Date:
May 01, 1997
Product Type:
Technical Report
Report Number:
SBI-R-273
Reference Number:
SCA: 320107; PA: DK-97:001225; EDB-97:061446; NTS-97:010195; SN: 97001773092
Resource Relation:
Other Information: PBD: 1997
Subject:
32 ENERGY CONSERVATION, CONSUMPTION, AND UTILIZATION; OFFICE BUILDINGS; SOLAR DRYING; PHILIPPINES; THERMAL COMFORT; HUMIDITY; TEMPERATURE DEPENDENCE; FEASIBILITY STUDIES; OCCUPANTS; AIR QUALITY; COST
OSTI ID:
464491
Research Organizations:
Statens Byggeforskningsinstitut, Hoersholm (Denmark)
Country of Origin:
Denmark
Language:
English
Other Identifying Numbers:
Other: ON: DE97740051; ISBN 87-563-0951-1; TRN: DK9701225
Availability:
OSTI as DE97740051
Submitting Site:
DK
Size:
58 p.
Announcement Date:

Citation Formats

Gunnarsen, L, and Santos, A. Low-cost personal cooling in hot humid offices. Feasibility study. Denmark: N. p., 1997. Web.
Gunnarsen, L, & Santos, A. Low-cost personal cooling in hot humid offices. Feasibility study. Denmark.
Gunnarsen, L, and Santos, A. 1997. "Low-cost personal cooling in hot humid offices. Feasibility study." Denmark.
@misc{etde_464491,
title = {Low-cost personal cooling in hot humid offices. Feasibility study}
author = {Gunnarsen, L, and Santos, A}
abstractNote = {A solution, based on low-cost solar-powered air drying, to heat stress in buildings located in developing countries with a hot and humid climate is presented. The air-drying facilities are described and a validation of the ensuing benefits through comprehensive human exposure studies is given. A prototype of a solar powered supply system for dried air was constructed and supply air was led to six personal units for ventilation and cooling placed in cubicles simulating office workplaces. 123 heat-acclimatized people were exposed for one hour in each of the cubicles. It is concluded that drying indoor air reduces heat stress among heat-adapted people in hot and humid offices and that the low-cost solar powered air drying system functioned satisfactorily , although some improvements are recommended. The drying power of the sun can be stored in recovered silica gel beads and used for other purposes. It is suggested that further research could explore the possibility of desiccant drying of agricultural products during the rainy season. (ARW) 30 refs.}
place = {Denmark}
year = {1997}
month = {May}
}