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Title: Integral passive solar water heater performance

Abstract

Passive solar water heaters can be divided into two classes: systems in which the functions of heat collection and storage are separate (the thermosiphon flat plate systems), and systems with combined collection and storage - the integral passive solar water heater (IPSWH). IPSWH systems are much less widely known despite some inherent advantages, including simplicity, low cost, and resistance to freezing. The first solar water heaters widely used in the U.S were IPSWHs. They gradually fell out of favor because of night cooldown and tank corrosion. New materials and designs minimize these problems and promise to bring the IPSWH back into the forefront of solar activity. Described are recent IPSWH experiments evaluating new materials and designs. These are then correlated with work by other investigators to suggest the tremendous potential for IPSWH use around the world. The characteristics of IPSWHs make traditional solar system test procedures inadequate and a new test procedure for IPSWH system is proposed. The low cost of IPSWHs more than offsets their slightly lower performance and will make them the most cost-effective heater for many climates and uses.

Authors:
Publication Date:
Research Org.:
Passive Solar Inst., Davis, CA
OSTI Identifier:
6322606
Report Number(s):
CONF-810925-
Journal ID: CODEN: PMSID
Resource Type:
Conference
Journal Name:
Proc. Annu. Meet. - Am. Sect. Int. Sol. Energy Soc.; (United States)
Additional Journal Information:
Journal Volume: 6; Conference: 6. national passive solar conference, Portland, OR, USA, 8 Sep 1981
Country of Publication:
United States
Language:
English
Subject:
14 SOLAR ENERGY; PASSIVE SOLAR WATER HEATERS; MATERIALS; PERFORMANCE TESTING; DESIGN; ECONOMICS; OPERATION; SOLAR REFLECTORS; STAGNATION; THERMAL INSULATION; APPLIANCES; EQUIPMENT; HEATERS; SOLAR CONCENTRATORS; SOLAR EQUIPMENT; SOLAR WATER HEATERS; TESTING; WATER HEATERS; 140907* - Solar Thermal Utilization- Water Heating

Citation Formats

Bainbridge, D A. Integral passive solar water heater performance. United States: N. p., 1981. Web.
Bainbridge, D A. Integral passive solar water heater performance. United States.
Bainbridge, D A. Thu . "Integral passive solar water heater performance". United States.
@article{osti_6322606,
title = {Integral passive solar water heater performance},
author = {Bainbridge, D A},
abstractNote = {Passive solar water heaters can be divided into two classes: systems in which the functions of heat collection and storage are separate (the thermosiphon flat plate systems), and systems with combined collection and storage - the integral passive solar water heater (IPSWH). IPSWH systems are much less widely known despite some inherent advantages, including simplicity, low cost, and resistance to freezing. The first solar water heaters widely used in the U.S were IPSWHs. They gradually fell out of favor because of night cooldown and tank corrosion. New materials and designs minimize these problems and promise to bring the IPSWH back into the forefront of solar activity. Described are recent IPSWH experiments evaluating new materials and designs. These are then correlated with work by other investigators to suggest the tremendous potential for IPSWH use around the world. The characteristics of IPSWHs make traditional solar system test procedures inadequate and a new test procedure for IPSWH system is proposed. The low cost of IPSWHs more than offsets their slightly lower performance and will make them the most cost-effective heater for many climates and uses.},
doi = {},
journal = {Proc. Annu. Meet. - Am. Sect. Int. Sol. Energy Soc.; (United States)},
number = ,
volume = 6,
place = {United States},
year = {1981},
month = {1}
}

Conference:
Other availability
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