Search Results - "Kenning, D.B.R."

Bubble growth and horizontal coalescence in saturated pool boiling on a titanium foil, investigated by high-speed IR thermography by Golobic, I., Petkovsek, J., Kenning, D.B.R.

“…Growth of an isolated bubble and horizontal coalescence events between bubbles of dissimilar size were examined during pool nucleate boiling of water on a…”
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Saturated flow boiling of water in a narrow channel: time-averaged heat transfer coefficients and correlations by Wen, D.S., Yan, Youyou, Kenning, D.B.R.

“…Time-averaged local heat transfer coefficients were measured during flow boiling of water at atmospheric pressure in a vertical channel of rectangular…”
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Pool boiling heat transfer on a thin plate: features revealed by liquid crystal thermography by Kenning, D.B.R., Yan, Youyou

“…During pool nucleate boiling of water on a thin, electrically-heated plate, the motion of bubbles and the colourplay of a layer of thermochromic liquid crystal…”
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Two-phase pressure drop of water during flow boiling in a vertical narrow channel by Wen, D.S., Kenning, D.B.R.

“…Two-phase pressure drop during flow boiling of water in a vertical channel with cross-section 2 mm by 1 mm was investigated experimentally. The experiments…”
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Flow boiling in a 1.1 mm tube with R134a: Experimental results and comparison with model by Shiferaw, D., Karayiannis, T.G., Kenning, D.B.R.

“…A detailed comparison of flow boiling heat transfer results in a stainless steel tube of 1.1 mm internal diameter with results of a three-zone flow model are…”
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Numerical investigation of nucleate boiling heat transfer on thin substrates by Sanna, A., Hutter, C., Kenning, D.B.R., Karayiannis, T.G., Sefiane, K., Nelson, R.A.

“…The objective of this paper is to define the guidelines for the design of new boiling test sections with a large number of artificial nucleation sites during…”
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Confined bubble growth during flow boiling in a mini-/micro-channel of rectangular cross-section part II: Approximate 3-D numerical simulation by Zu, Y.Q., Yan, Y.Y., Gedupudi, S., Karayiannis, T.G., Kenning, D.B.R.

“…This Part II of the paper reports the three-dimensional (3-D) numerical modelling on bubbly flow in confined mini-/micro-channels using the volume of fluid…”
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Experimental investigation of non-uniform heating effect on flow boiling instabilities in a microchannel-based heat sink by Bogojevic, D., Sefiane, K., Walton, A.J., Lin, H., Cummins, G., Kenning, D.B.R., Karayiannis, T.G.

“…Two-phase flow boiling in microchannels is one of the most promising cooling technologies for coping with high heat fluxes produced by the next generation of…”
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Examination of heat transfer correlations and a model for flow boiling of R134a in small diameter tubes by Shiferaw, D., Huo, X., Karayiannis, T.G., Kenning, D.B.R.

“…Analysis of various existing correlations including a three-zone evaporation model is made using a comparison with recent experimental results obtained in this…”
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Compound effect of EHD and surface roughness in pool boiling and CHF with R-123 by Ahmad, S.W., Karayiannis, T.G., Kenning, D.B.R., Luke, A.

“…Saturated pool boiling of R-123 at 1 bar, including the critical heat flux (CHF), was enhanced by modifying the surface characteristics and applying a high…”
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Confined bubble growth during flow boiling in a mini/micro-channel of rectangular cross-section Part I: Experiments and 1-D modelling by Gedupudi, S., Zu, Y.Q., Karayiannis, T.G., Kenning, D.B.R., Yan, Y.Y.

“…Heat sinks using evaporation in arrays of parallel microchannels have potential for the removal of high heat fluxes from small areas. They suffer from flow…”
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Nucleation site interaction between artificial cavities during nucleate pool boiling on silicon with integrated micro-heater and temperature micro-sensors by Hutter, C., Sefiane, K., Karayiannis, T.G., Walton, A.J., Nelson, R.A., Kenning, D.B.R.

“…Nucleate boiling is commonly characterised as a very complex and elusive process. Many involved mechanisms are still not fully understood and more detailed…”
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Horizontal chain coalescence of bubbles in saturated pool boiling on a thin foil by Golobic, I., Petkovsek, J., Gjerkes, H., Kenning, D.B.R.

“…Wall temperatures were measured by high-speed IR thermography during the sequential chain coalescence of bubbles from four nucleation sites in 4 ms to form a…”
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Vertical coalescence during nucleate boiling from a single artificial cavity by Hutter, C., Sanna, A., Karayiannis, T.G., Kenning, D.B.R., Nelson, R.A., Sefiane, K., Walton, A.J.

“…•An study of bubble growth from artificial cavity micro-fabricated on silicon wafer.•Vertical coalescence is observed at the boundary between the isolated and…”
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Experimental pool boiling investigations of FC-72 on silicon with artificial cavities and integrated temperature microsensors by Hutter, C., Kenning, D.B.R., Sefiane, K., Karayiannis, T.G., Lin, H., Cummins, G., Walton, A.J.

“…In this experimental study, fluorinert FC-72 is boiled on a silicon chip with artificial cavities and integrated microsensors. The horizontal silicon chip with…”
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Confined growth of a vapour bubble in a capillary tube at initially uniform superheat: Experiments and modelling by Kenning, D.B.R., Wen, D.S., Das, K.S., Wilson, S.K.

“…Bubble growth was triggered in a capillary tube closed at one end and vented to the atmosphere at the other and initially filled with uniformly superheated…”
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Optical studies of boiling heat transfer: insights and limitations by Kenning, David B.R.

“…Optical studies provide valuable insights into the complex mechanisms of boiling heat transfer but the large gradients of temperature (and therefore of…”
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Steps towards the development of an experimentally verified simulation of pool nucleate boiling on a silicon wafer with artificial sites by Sanna, A., Karayiannis, T.G., Kenning, D.B.R., Hutter, C., Sefiane, K., Walton, A.J., Golobič, I., Pavlovič, E., Nelson, R.A.

“…Nucleate boiling is a very effective heat transfer cooling process, used in numerous industrial applications. Despite intensive research over decades, a…”
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Investigation of boiling heat transfer by liquid crystal thermography by Kenning, D.B.R, Kono, T, Wienecke, M

“…This paper discusses the advantages and limitations of liquid crystal thermography for providing the information required for the development of deterministic…”
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Saturated Flow Boiling of Water in a Narrow Channel: Experimental Investigation of Local Phenomena by Kenning, D.B.R., Yan, YouYou

“…This paper describes some observations of flow boiling of water at near-atmospheric pressure in a single vertical channel of rectangular cross-section 2 mm × l…”
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