<p> An experimental study of temperature profiles
in the near vicinity of a horizontal copper surface on
which water was boiled is reported in this thesis. A
series of three tests is reported for heat fluxes of
20,000, 50,000 and 100,000 BTU/HRFT^2 respectively.
Four levels of subcooling were achieved in each series
in the range of 0°F < θsub < 105°F. Using the
superheat-layer thickness. as defined by Han and Griffith,
results are reported indicating an increase in superheatlayer
thickness for an increase in the degree of subcooling
at a constant heat flux and a reverse effect
for an increase in heat flux for a constant degree of
subcooling. </p> <p> In addition, five tests are reported in which
incipience of boiling was achieved. Using this data, Hsu's mathematical model for predicting bubble nucleation is tested. In general, good agreement is
found between the Hsu model and the experimental data. </p> / Thesis / Master of Engineering (MEngr)
| Identifer | oai:union.ndltd.org:mcmaster.ca/oai:macsphere.mcmaster.ca:11375/20780 |
| Date | January 1970 |
| Creators | Wiebe, Jim |
| Contributors | Judd, R. L., Mechanical Engineering |
| Source Sets | McMaster University |
| Language | English |
| Detected Language | English |
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