A Comparison of Transient and Steady-State Pool-Boiling Data Obtained Using the Same Heating Surface
01 May 1971-Journal of Heat Transfer-transactions of The Asme (American Society of Mechanical Engineers)-Vol. 93, Iss: 2, pp 229-232
About: This article is published in Journal of Heat Transfer-transactions of The Asme.The article was published on 1971-05-01. It has received 21 citations till now. The article focuses on the topics: Steady state (electronics) & Boiling.
Citations
More filters
TL;DR: An overview of the boiling process, including recent advances made toward a mechanistic understanding of nucleate and transition boiling, is presented in this article, but this review does not include boiling on enhanced surfaces or boiling of mixtures.
143 citations
TL;DR: In this paper, the idea that there are transition boiling curves accessible to a given liquid boiling on a given surface, is advanced, and a variety of saturated, subcooled, pool, and flow boiling data are shown to be consistent with, and explainable in terms of, the idea.
86 citations
TL;DR: In this article, a series of quenching tests of copper in liquid nitrogen at atmospheric pressure was conducted to discover the limits of the unsteady-state quenched method.
61 citations
TL;DR: In this article, the characteristic boiling curves of the refrigerants (Freon) R12, R113 and R114 were determined lor pressures up to 30 bar and the stability condition was maintained at maximum heat flux density and in the transition region.
49 citations
TL;DR: In this article, the experimental results on the transition boiling mechanism and the estimates of heat-transfer rates were presented, and it was shown that, with transition boiling, at each time instant, the liquid wets some part of the heating surface and the remainder is covered by a vapor film.
Abstract: Publisher Summary The experimental results on the transition boiling mechanism and the estimates of heat-transfer rates show that, with transition boiling, at each time instant, the liquid wets some part of the heating surface and the remainder is covered by a vapor film. In this case, each point of the heating surface is alternately in contact with the liquid and vapor phases of the boiling medium. The mean duration of the heating-surface contact with the liquid depends on the temperature difference, other parameters of the process, boiling substance properties, and wall material. The rate of heat transfer to the liquid is higher than that to the vapor and the processes at the wall-liquid contacts are dominant in the case of transition boiling. Furthermore, the transition boiling region on the wetted part of the heating surface can be distinguished in three zones—namely, low-temperature head zone near the nucleate boiling crisis region, a high-temperature head zone near the film boiling crisis region, and a mean-temperature head zone where the contributions of nucleate boiling and unsteady heat conduction are comparable.
46 citations