Abstract

Boiling and single-phase heat transfer data were taken for water flowing in a vertically oriented circular tube. Heat fluxes of up to 2MW/m2 and wall temperatures up to 135C were obtained in nucleate flow boiling. In film boiling, wall temperatures of up to 400C were obtained with a ninefold decrease in the heat transfer effectiveness after critical heat flux (CHF) was reached. A computer model was undertaken using computational fluid dynamics (CFD) software to assist in the design process as well as to provide insight into the transport phenomena not realizable from the instrumentation. Validations of the instrumentation used in the experiment were accomplished using single-phase results in conjunction with heat transfer data exported from the CFD model. The accuracy and understanding of the experiment in the single-phase mode was used as a basis to correlate the data in flow boiling. Finally, a database in transient transition flow boiling was created for future study.

Library of Congress Subject Headings

Heat transmission; Ebullition

Publication Date

1999

Document Type

Thesis

Department, Program, or Center

Mechanical Engineering (KGCOE)

Advisor

Kandlikar, S.

Advisor/Committee Member

Venkataraman, P.

Advisor/Committee Member

Nye, A.

Comments

Note: imported from RIT’s Digital Media Library running on DSpace to RIT Scholar Works. Physical copy available through RIT's The Wallace Library at: QC320 .P48 1999

Campus

RIT – Main Campus

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