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Title: Freezing and thawing heat transfer with water flow around isothermally cooled cylinders in staggered and aligned arrangements

Abstract

Ice formation and melting phenomena with water flow around isothermally cooled cylinders arranged in staggered and aligned manners, respectively, are examined. Experiments are performed for transient freezing and melting processes as well as for steady-state conditions. Analytical models are also introduced to examine heat transfer characteristics of the transient processes. It is found that the melting is twice as fast as the freezing for both the staggered and aligned arrangements. Experimental correlations for ice storage efficiency as well as for the ice filling-up rate are proposed. It is shown that the ice filling-up rate is strongly affected by the Reynolds number, cooling temperature, and cylinder pitch perpendicular to water flow.

Authors:
 [1];  [2]
  1. Shinshu Univ., Nagano (Japan)
  2. Mitsubishi Electric Co., Tokyo (Japan)
Publication Date:
OSTI Identifier:
7021572
Resource Type:
Journal Article
Journal Name:
Journal of Heat Transfer (Transactions of the ASME (American Society of Mechanical Engineers), Series C); (United States)
Additional Journal Information:
Journal Volume: 114:3; Journal ID: ISSN 0022-1481
Country of Publication:
United States
Language:
English
Subject:
25 ENERGY STORAGE; CYLINDERS; HEAT TRANSFER; THERMAL ENERGY STORAGE EQUIPMENT; EFFICIENCY; FLUID FLOW; FREEZING; LATENT HEAT STORAGE; MATHEMATICAL MODELS; MELTING; ORIENTATION; REYNOLDS NUMBER; SEASONAL THERMAL ENERGY STORAGE; WATER; ENERGY STORAGE; ENERGY TRANSFER; EQUIPMENT; HEAT STORAGE; HYDROGEN COMPOUNDS; OXYGEN COMPOUNDS; PHASE TRANSFORMATIONS; STORAGE; 250600* - Energy Storage- Thermal

Citation Formats

Hirata, T, and Matsui, H. Freezing and thawing heat transfer with water flow around isothermally cooled cylinders in staggered and aligned arrangements. United States: N. p., 1992. Web. doi:10.1115/1.2911334.
Hirata, T, & Matsui, H. Freezing and thawing heat transfer with water flow around isothermally cooled cylinders in staggered and aligned arrangements. United States. doi:10.1115/1.2911334.
Hirata, T, and Matsui, H. Sat . "Freezing and thawing heat transfer with water flow around isothermally cooled cylinders in staggered and aligned arrangements". United States. doi:10.1115/1.2911334.
@article{osti_7021572,
title = {Freezing and thawing heat transfer with water flow around isothermally cooled cylinders in staggered and aligned arrangements},
author = {Hirata, T and Matsui, H},
abstractNote = {Ice formation and melting phenomena with water flow around isothermally cooled cylinders arranged in staggered and aligned manners, respectively, are examined. Experiments are performed for transient freezing and melting processes as well as for steady-state conditions. Analytical models are also introduced to examine heat transfer characteristics of the transient processes. It is found that the melting is twice as fast as the freezing for both the staggered and aligned arrangements. Experimental correlations for ice storage efficiency as well as for the ice filling-up rate are proposed. It is shown that the ice filling-up rate is strongly affected by the Reynolds number, cooling temperature, and cylinder pitch perpendicular to water flow.},
doi = {10.1115/1.2911334},
journal = {Journal of Heat Transfer (Transactions of the ASME (American Society of Mechanical Engineers), Series C); (United States)},
issn = {0022-1481},
number = ,
volume = 114:3,
place = {United States},
year = {1992},
month = {8}
}