Computer Science – Numerical Analysis
Scientific paper
Jan 1997
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997aipc..387..641k&link_type=abstract
Space technology and applications international forum (STAIF - 97). AIP Conference Proceedings, Volume 387, pp. 641-646 (1997).
Computer Science
Numerical Analysis
Heat Exchangers, Two-Phase Flow, Bubbles, Capillarity, Modelling, Film Flow, Temperature Measurement, Pressure Measurement, Differential Equations, Numerical Analysis
Scientific paper
A constrained vapor bubble heat exchanger, CVB, with capillarity to recirculate the liquid was modeled and experimentally studied. Using a relatively simple pentane/quartz system the fundamental parameters governing the CVB, namely, temperature, pressure, and menisci curvature, were measured. An ``adiabatic'' section wherein the temperature remained nearly constant was identified. A one-dimensional steady state model of this ``adiabatic'' section was developed and solved numerically to yield pressure, velocity, and film curvature along the axial length. Using Image Analyzing Interferometry, the experimentally obtained curvature profile agreed very well with that predicted by the model.
Huang Jianming
Karthikeyan M.
Plawsky Joel L.
Wayner Peter C.
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