Pressure gradients due to heat flow in liquid helium

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dc.contributor.advisorRorschach, Harold E., Jr.en_US
dc.creatorRomberg, Frederick Arnolden_US
dc.date.accessioned2016-04-22T22:00:21Zen_US
dc.date.available2016-04-22T22:00:21Zen_US
dc.date.issued1957en_US
dc.description.abstractThe pressure gradient associated with the flow of heat in helium I and II has been measured using capillary tubes of diameter one-half to 1.1 millimeters. The observations in helium I can be explained as consequences of the vaporization of the liquid in the capillary. In helium II, for heat currents below a certain critical value, which depends on the dimensions of the apparatus and the temperature, the observed pressure gradients agree with the predictions of the thermo-hydrodynamic equations for liquid helium. These equations appear to break down If the critical heat current is exceeded. After this current has been exceeded, the behavior of the pressure gradient in helium II strongly resembles the behavior seen in helium I.en_US
dc.format.digitalOriginreformatted digitalen_US
dc.format.extent54 ppen_US
dc.identifier.callnoThesis Phys. 1957 Rombergen_US
dc.identifier.citationRomberg, Frederick Arnold. "Pressure gradients due to heat flow in liquid helium." (1957) Master’s Thesis, Rice University. <a href="https://hdl.handle.net/1911/90223">https://hdl.handle.net/1911/90223</a>.en_US
dc.identifier.digitalRICE1259en_US
dc.identifier.urihttps://hdl.handle.net/1911/90223en_US
dc.language.isoengen_US
dc.rightsCopyright is held by the author, unless otherwise indicated. Permission to reuse, publish, or reproduce the work beyond the bounds of fair use or other exemptions to copyright law must be obtained from the copyright holder.en_US
dc.titlePressure gradients due to heat flow in liquid heliumen_US
dc.typeThesisen_US
dc.type.materialTexten_US
thesis.degree.departmentPhysicsen_US
thesis.degree.disciplineNatural Sciencesen_US
thesis.degree.grantorRice Universityen_US
thesis.degree.levelMastersen_US
thesis.degree.nameMaster of Artsen_US
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