Topic
Subcooling
About: Subcooling is a research topic. Over the lifetime, 6150 publications have been published within this topic receiving 99125 citations.
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TL;DR: In this paper, the authors used the holographic interferometry to study the heat transport at the phase interface between the surface of the bubbles and the subcooled liquid, which is an optical method that works in an inertialess and noninvasive way.
Abstract: Subcooled boiling has been subject of extensive research studies in the literature. So far, the approach of studying the phenomena of subcooled boiling has rather been an integral method by measuring the heat transport from the wall to the liquid and by following the growth and collapse of the bubbles. However, little is known about the heat transport at the phase interface between the surface of the bubbles and the subcooled liquid. Experimental attempts to study the transport phenomena around the bubble surface quantitatively have been performed by using the holographic interferometry, an optical method, which works in an inertialess and non-invasive way. The conventional holographic interferometry has somewhat been modified by applying the finite fringe method. With this technique interesting insights could be gained and precise quantitative data could be evaluated.
32 citations
TL;DR: In this article, a high thermal capacity copper test section placed at the end of a heating tube is used for investigating the critical heat flux and heat transfer characteristics during rewetting process for Freon-113 upward flow at mass velocities of 357, 627, 1035 and 1465 kg m−2 s−1.
32 citations
TL;DR: In this article, the authors considered the solubility of the materials in water, the chemical structure and the crystalline structure (crystal system, lattice parameters, density, cell volume, Z, and space group).
31 citations
Patent•
04 Mar 1985TL;DR: In this paper, a method and apparatus for providing a sterilized cryogenic liquid is described, in which a liquid is vaporized by passing the liquid through a heat exchanger, heat being transferred from the previously sterilized gas to the incoming liquid.
Abstract: The invention includes a method and apparatus for providing a sterilized cryogenic liquid. A cryogenic liquid is vaporized, and the resulting gas is sterilized. The sterilized gas is then reliquefied and subcooled. The liquid is vaporized by passing the liquid through a heat exchanger, heat being transferred from the previously sterilized gas to the incoming liquid. Sterilization is accomplished either by passing the gas through a microporous filter, or by subjecting the gas to ultraviolet radiation. The sterilized gas, after passing through the heat exchanger, is directed into a pressurized container, wherein the gas is reliquefied and subcooled. The subcooled liquid is then withdrawn from the apparatus.
31 citations
Journal Article•
TL;DR: In this article, five short-tube refrigerant expansion devices, with L/D ratios from 7.5 to 11.9, were tested on a three-ton split-system heat pump.
Abstract: Five short-tube refrigerant expansion devices, with L/D ratios from 7.5 to 11.9, were tested on a three-ton split-system heat pump. The test results show that first-stage choking has occurred at the liquid subcooling temperature of 22.2 C/sup 0/ (40.0 F/sup 0/). However, there is no indication that second-stage choking has ever occurred.
31 citations