You need JavaScript to view this

Validation of a simulation method for forced circulation type of solar domestic hot water heating systems; Kyosei junkangata taiyonetsu kyuto system simulation hoho no kensho

Abstract

Simulation of solar hot water systems using element model was conducted, in which computation of the convergence of apparatus characteristic values was performed every hour. For each apparatus, the outlet temperature was made a function of the inlet temperature on the basis of the heat balance, from which a simultaneous equation was derived and then solved for the determination of the outlet temperature for the computation of the quantity of heat collected by each apparatus. The actually measured system comprises a planar solar collector, heat storage tank, and heat collector piping. The measurement involved a direct heat collecting system with the medium running from the heat storage tank bottom layer, through the solar collector, and then back to the heat storage tank third layer, and an indirect heat collector system with a heat exchanger provided at the heat storage tank bottom layer. There was no substantial difference between the direct type and the indirect type with respect to the solar collector inlet and outlet temperatures, quantity of heat collected, and the fluctuation in heat storage tank inside temperature distribution relative to time. Difference occurred between the two in tank water temperature distribution, however, when water was extracted in great volume  More>>
Authors:
Sato, M; Udagawa, M; [1]  Matsumoto, T [2] 
  1. Kogakuin University, Tokyo (Japan)
  2. Yazaki Corp., Tokyo (Japan)
Publication Date:
Oct 27, 1996
Product Type:
Conference
Report Number:
CONF-9610295-
Reference Number:
SCA: 140907; PA: NEDO-96:915511; EDB-97:072042; SN: 97001783055
Resource Relation:
Conference: JSES/JWEA joint conference (1996), 1996 nendo nihon taiyo energy gakkai nihon furyoku energy kyokai godo kenkyu happyokai, Yamagata (Japan), 31 Oct - 1 Nov 1996; Other Information: PBD: 27 Oct 1996; Related Information: Is Part Of Proceedings of JSES/JWEA Joint Conference (1996); PB: 406 p.; Taiyo/furyoku energy koen ronbunshu (1996)
Subject:
14 SOLAR ENERGY; CIRCULATING SYSTEMS; FORCED CONVECTION; SOLAR COLLECTORS; THERMAL ENERGY STORAGE EQUIPMENT; WATER SUPPLY; SOLAR WATER HEATING; COMPUTERIZED SIMULATION; CONVERGENCE; VALIDATION
OSTI ID:
472804
Research Organizations:
Japan Solar Energy Society, Tokyo (Japan)
Country of Origin:
Japan
Language:
Japanese
Other Identifying Numbers:
Other: ON: DE97744185; TRN: 96:915511
Availability:
Available from Japan Solar Energy Society, 44-14, Yoyogi 2-chome, Shibuya-ku, Tokyo, Japan; OSTI as DE97744185
Submitting Site:
NEDO
Size:
pp. 325-328
Announcement Date:

Citation Formats

Sato, M, Udagawa, M, and Matsumoto, T. Validation of a simulation method for forced circulation type of solar domestic hot water heating systems; Kyosei junkangata taiyonetsu kyuto system simulation hoho no kensho. Japan: N. p., 1996. Web.
Sato, M, Udagawa, M, & Matsumoto, T. Validation of a simulation method for forced circulation type of solar domestic hot water heating systems; Kyosei junkangata taiyonetsu kyuto system simulation hoho no kensho. Japan.
Sato, M, Udagawa, M, and Matsumoto, T. 1996. "Validation of a simulation method for forced circulation type of solar domestic hot water heating systems; Kyosei junkangata taiyonetsu kyuto system simulation hoho no kensho." Japan.
@misc{etde_472804,
title = {Validation of a simulation method for forced circulation type of solar domestic hot water heating systems; Kyosei junkangata taiyonetsu kyuto system simulation hoho no kensho}
author = {Sato, M, Udagawa, M, and Matsumoto, T}
abstractNote = {Simulation of solar hot water systems using element model was conducted, in which computation of the convergence of apparatus characteristic values was performed every hour. For each apparatus, the outlet temperature was made a function of the inlet temperature on the basis of the heat balance, from which a simultaneous equation was derived and then solved for the determination of the outlet temperature for the computation of the quantity of heat collected by each apparatus. The actually measured system comprises a planar solar collector, heat storage tank, and heat collector piping. The measurement involved a direct heat collecting system with the medium running from the heat storage tank bottom layer, through the solar collector, and then back to the heat storage tank third layer, and an indirect heat collector system with a heat exchanger provided at the heat storage tank bottom layer. There was no substantial difference between the direct type and the indirect type with respect to the solar collector inlet and outlet temperatures, quantity of heat collected, and the fluctuation in heat storage tank inside temperature distribution relative to time. Difference occurred between the two in tank water temperature distribution, however, when water was extracted in great volume at a time. The quantity of the heat collected by each of the two and the daily integration of the same differed but a little from computed values. 4 refs., 6 figs., 4 tabs.}
place = {Japan}
year = {1996}
month = {Oct}
}