Void formation in unidirectional freezing from above

C. D. Sulfredge; L. C. Chow; K. A. Tagavi

doi:10.1080/08916159208945366

Void formation in unidirectional freezing from above

C. D. Sulfredge, L. C. Chow, K. A. Tagavi

Mechanical Engineering

Research output: Contribution to journal › Article › peer-review

8 Scopus citations

Abstract

Experiments were conducted to observe the solidification sequence and final shrinkage void distribution for liquids solidified from above in a rigid, constant-volume container. The overall void distribution appears to depend strongly on the initial liquid temperature and to a lesser extent on the cooling rate. A thermodynamic model has been developed that follows the liquid, vapor, and solid phases throughout the cooling process. Several void-formation phenomena are then examined qualitatively with reference to the thermodynamic model. We feel that these results will lead eventually to better void management in phase-change materials for storing thermal energy.

Original language	English
Pages (from-to)	1-16
Number of pages	16
Journal	Experimental Heat Transfer
Volume	6
Issue number	1
DOIs	https://doi.org/10.1080/08916159208945366
State	Published - 1993

Bibliographical note

Funding Information:
This material is based on work partly supported under the first author's National Science undation Graduate Fellowship. The project was also funded by the Air Force Aero Propulsion and wer Laboratory, Contract F33615-87-C-2777.

ASJC Scopus subject areas

Control and Systems Engineering
Instrumentation
Electrical and Electronic Engineering

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abstract = "Experiments were conducted to observe the solidification sequence and final shrinkage void distribution for liquids solidified from above in a rigid, constant-volume container. The overall void distribution appears to depend strongly on the initial liquid temperature and to a lesser extent on the cooling rate. A thermodynamic model has been developed that follows the liquid, vapor, and solid phases throughout the cooling process. Several void-formation phenomena are then examined qualitatively with reference to the thermodynamic model. We feel that these results will lead eventually to better void management in phase-change materials for storing thermal energy.",

author = "Sulfredge, {C. D.} and Chow, {L. C.} and Tagavi, {K. A.}",

note = "Funding Information: This material is based on work partly supported under the first author's National Science undation Graduate Fellowship. The project was also funded by the Air Force Aero Propulsion and wer Laboratory, Contract F33615-87-C-2777.",

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AU - Chow, L. C.

AU - Tagavi, K. A.

N1 - Funding Information: This material is based on work partly supported under the first author's National Science undation Graduate Fellowship. The project was also funded by the Air Force Aero Propulsion and wer Laboratory, Contract F33615-87-C-2777.

PY - 1993

Y1 - 1993

N2 - Experiments were conducted to observe the solidification sequence and final shrinkage void distribution for liquids solidified from above in a rigid, constant-volume container. The overall void distribution appears to depend strongly on the initial liquid temperature and to a lesser extent on the cooling rate. A thermodynamic model has been developed that follows the liquid, vapor, and solid phases throughout the cooling process. Several void-formation phenomena are then examined qualitatively with reference to the thermodynamic model. We feel that these results will lead eventually to better void management in phase-change materials for storing thermal energy.

AB - Experiments were conducted to observe the solidification sequence and final shrinkage void distribution for liquids solidified from above in a rigid, constant-volume container. The overall void distribution appears to depend strongly on the initial liquid temperature and to a lesser extent on the cooling rate. A thermodynamic model has been developed that follows the liquid, vapor, and solid phases throughout the cooling process. Several void-formation phenomena are then examined qualitatively with reference to the thermodynamic model. We feel that these results will lead eventually to better void management in phase-change materials for storing thermal energy.

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Void formation in unidirectional freezing from above

Abstract

Bibliographical note

ASJC Scopus subject areas

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