... Abstract Liquid helium plays an important role in fields such as superconductivity, quantum computing, medical cryopreservation, and space exploration. Prediction of pool boiling heat transfer, especially the critical heat flux, is crucial for all these applications. To date, no effective tool...

... heat transfer system equipped with a tapered microgap, the drawn working fluid will create a flow-like macroconvective current over the heater surface that enhances heat transfer. Results from the current study can be used to expedite tapered microgap development. pool boiling computational...

...-temporal properties in various scientific and engineering domains. IHCP pool boiling Bayesian inference spatio-temporal model (STM) Proceedings of the ASME 2023 Heat Transfer Summer Conference HT2023 July 10-12, 2023, Washington, DC HT2023-107671 A BAYESIAN SPATIO-TEMPORAL MODELING APPROACH...

... of bubbles in actual nucleate boiling. We propose several phenomenological studies in boiling that can be undertaken using this approach to promote a mechanistic understanding of and enhancement in the boiling performance parameters. laser bubble pool boiling silicon water Proceedings...

...., Gaussian process regressor and multilayer perceptron regressor for heat flux predictions. The acoustic signals and heat fluxes are collected from pool boiling tests under transient heat loads. It is shown that both hydrophone and condenser microphone signals are successful in predicting heat flux. Multiple...

... devices at safe operating temperatures by taking advantage of the high latent heat of the fluid. Particularly, pool boiling plays a critical role in the two-phase immersion cooling of servers and other IT hardware, integrated cooling for three-dimensional electronic packaging, cooling of the core...

... Abstract Nucleate pool boiling of saturated water at one atmosphere pressure was investigated on a horizontal circular surface of diameter 2.7 mm. For such a surface aside from the contact angle of the surface itself, the wettability of the surrounding surface is found to have a significant...

...-boiling on the surface of the 132 mm diameter calandria tube that is immersed in a pool of the heavy water moderator. While the average pool boiling behaviour of the calandria tubes has been well studied with integrated experiments, local boiling correlations have not been developed for prototypical...

...SATURATION BOILING OF HFE-7000 LIQUID ON INCLINED ROUGH COPPER SURFACES Mohamed S. El-Genk, Mahyar Pourghasemi 1 University of New Mexico, Albuquerque, New Mexico, USA ABSTRACT Pool boiling experiments are performed to investigate the effects of inclination angle, , and average roughness, Ra...

... is independent of the interface pressure or the load applied. This demonstrates the measurement of the electrical conductance between the PT and CT in contact boiling as a promising technique for obtaining in-situ information on the thermal contact conductance during integrated experiments. pool boiling...

...NUMERICAL INVESTIGATION ON POOL BOILING OVER A VERTICAL TUBE COUPLED WITH IN-TUBE CONDENSATION Shuai Ren1, Wenzhong Zhou Department of Mechanical Engineering, City University of Hong Kong Hong Kong, China ABSTRACT Pool boiling and in-tube condensation phenomena have been investigated intensively...

...STUDY OF POOL BOILING HEAT TRANSFER ON CONCAVE NANOSTRUCTURED SURFACE WITH MOLECULAR DYNAMICS SIMULATION Runkeng Liu School of Mechanical Engineering, Shanghai Jiao Tong University Shanghai, China Zhenyu Liu* School of Mechanical Engineering, Shanghai Jiao Tong University Shanghai, China Huiying Wu...

...-phase vapor region to the two-phase liquid-vapor region, thus raising local wall temperatures. Simultaneously, to gain understanding of phase-change mechanisms in binary mixtures and to generate data for the modeling of flow boiling process, pool-boiling of ethanol-water mixtures has also been initiated...

... of this project are expected to expand the existing knowledge of boiling heat transfer, particularly when it is affected by the presence of other surfaces in the proximity. Keywords: pool boiling, multiple surface, phase change, evaporation. INTRODUCTION If the heat of evaporation is supplied to a saturated...

... 03 04 2009 In the present paper, the characteristic atmospheric pool boiling curve is qualitatively reproduced for water on a temperature controlled thin copper strip having comparable length and breadth by the coupled map lattice (CML) method using a three-dimensional boiling field...

.... The h values increased with the addition of surfactant up to 100 ppm but do not change if the concentration of surfactant is higher than that value. Contact angle sessile drop surface and interfacial energy wettability pool boiling condu accord energi coveri solid values hydro interfa...

... with the microscopic non-linear dynamic interactions of bubbles while the traditional CFD algorithm is used to determine macroscopic system parameters such as pressure and temperature. The popular SIMPLER algorithm is employed for the CFD treatment. The model is then employed to simulate a pool boiling process...

... 18 12 2008 Effects of the width and location of a flow disturbing circular plate, installed at a vertical tube surface, on nucleate pool boiling heat transfer of water at atmospheric pressure have been investigated experimentally. Through the tests, changes in the degree of intensity...

... and departu the boiling formation starts from small amounts of gas or vapor entrapped t s n e r, , ) e e h d a n n f Proceedings of HT2003 ASME Summer Heat Transfer Conference 1 Copyright © 2003 by ASME Nucleate, pool boiling, bubbles, vertical, dynamics. CTION sfer studies have shown that a number...

... at relatively low erature. For this reason and in view of the practical of the nucleate boiling in the field of thermal in general and in nuclear reactors engineering in eat transfer in pool boiling has been and still tudied. A thorough understanding of the process of in pool boiling requires the investigation...