... time-step requires about 50 iterations to obtain converged results. It took almost 30 calendar days (about 12 days for the single phase and 18 days for the two-phase flow) to finish the whole iteration process of one sweeping jet case for about 12 cycles in total on a 6-core i7-8700 CPU with 3.2 GHz...

... magnitude (s −1 ) sweeping jet fluidic oscillators film cooling gas turbine heat transfer heat transfer enhancement two-phase flow References [1] Deadwyler , R. , 1981 , A Review of Models of the Fluidic Generator, U.S. Army Electronics Research and Development...

... the traditional TEHL calculation method with two-phase flow theory. First, ansys/cfx 18.1 was used to determine the air content of the lubricating oil in the meshing zone under the injection condition. Then, considering the influence of air content on the rheological properties of lubricating oil, the traditional...

... a two-phase flow, experimental and computational studies are needed. Designing an experimental setup for a two-phase flow experiment is challenging, therefore, the authors will dedicate this paper as Part I to discuss all the challenges faced in order to create a successful experimental facility for air...

... of Mist Film Cooling With Fan-Shaped Holes on an Extended Flat Plate—Part 2: Two-Phase Flow Measurements and Droplet Dynamics ,” ASME J. Heat Transfer-Trans. ASME , 140 ( 4 ), p. 042202 . 10.1115/1.4037642 [20] Ragab , R. , and Wang , T. , 2012 , “ Investigation of Applicability...

... energy utilization ratio exergetic efficiency energy efficiency heat transfer enhancement two-phase flow Two diverging fluidized bed dryers having 5 deg and 10 deg cone angles and one cylindrical dryer ( α = 0 deg) are used for the drying of paddy grains. The bottom diameter of all the three...

... mm 0.55 110 deg Email: ledongdeng@163.com Email: hongwang@cqu.edu.cn Email: zhuxun@cqu.edu.cn CFD droplet impact dynamics ACSR cable power line icing CLSVOF freezing rain droplets droplet freezing two-phase flow The current paper studies the droplet impact...

...-fin heat exchangers (PFHX). Two-phase flow distribution was examined for air Reynolds numbers (Re G ) of 28293542 and inlet qualities (x) of 46.3–64.0%. Two-phase flow distribution was seen to be more uneven in the heat exchanger in comparison with single-phase flow, the water distribution being more...

...Wei Li; Boren Zheng; Tong Lv; Zahid Ayub Corrugated plate heat exchangers are increasingly used in two-phase flow applications for their flexible compact size and efficient heat transfer performance. This paper presents a brief review of recent studies on the flow boiling in plate heat exchangers...

...Jin-yuan Qian; Xiao-juan Li; Zan Wu; Zhi-jiang Jin; Junhui Zhang; Bengt Sunden Slug flow is a common flow pattern in the liquid–liquid two-phase flow in microchannels. It is an ideal pattern for mass transfer enhancement. Many factors influence the slug formation such as the channel geometries...

... nanoparticles concentrations (0.01–0.075 vol %) and input powers (40–210 W) was conducted. The VOF and Lee methods were employed for two-phase flow and interphase heat and mass transfer modeling, respectively, along with few numerical modifications including development of a methodology for incorporating...

... R152a 124 HFC Dry Yes No 113/4520 12.20 R245fa 1030 HFC Dry Yes No 154/3651 41.40 R1234ze(E) 6 HFO Isentropic No No 109/3632 33.00 R600a 3 Natural Isentropic Yes No 135/3640 41.80 Heat recovery Thermal systems Thermophysical properties Two-phase flow...

... Boiling Electronic cooling Forced convection Two-phase flow Heat transfer Advancing capability of onboard computing, such as envisioned in Department of Defense (DoD) avionics, will push thermal management well above the capacity of current air cooling technologies. Tactical aerospace...

... Flow Pattern, Heat Transfer, and Pressure Drop in Microchannel Vaporization of CO2 ,” ASHRAE Trans. , 109 , pp. 523 – 532 . [4] Pettersen, J. , 2004, “ Two-phase flow patterns in microchannel vaporization of CO2 at near-critical pressure ,” Heat transfer engineering , 25 (3), 52–60. 10.1080...

.... , 2011 , “ A Modified Heat Transfer Correlation for Two-Phase Flow ,” J. Heat Mass Transfer , 47 ( 9 ), pp. 1159 – 1165 . 10.1007/s00231-011-0784-x [10] Nada , S. A. , 2017 , “ Experimental Investigation and Empirical Correlations of Heat Transfer in Different Regimes of Air–Water Two-Phase...

... 2018 Boiling Energy efficiency Evaporation Two-phase flow Heat transfer The development of new cooling strategies across a range of different application areas has resulted in a high degree of functionality for both component hardware and cooling systems. This includes applications...

...Bohra Nitin Kumar; K. S. Reddy Direct steam generation (DSG) in parabolic trough collector (PTC) is an efficient and feasible option for solar thermal power generation as well as for industrial process heat supply. The two-phase flow inside the absorber tube complicates the thermo-hydraulic...

...Yun Whan Na; J. N. Chung Forced convective flow boiling in a single microchannel with different channel heights was studied through a numerical simulation method to investigate bubble dynamics, two-phase flow patterns, and boiling heat transfer. The momentum and energy equations were solved using...

... distribution on average Nusselt number of the two-phase flows. All simulations are compared with a single-phase flow condition. To enhance heat transfer, it is determined that the optimum Eötvös number for the channel with a 10% inlet air volume fraction has an Eötvös number of 0.2, which is equivalent...

... Li. 09 04 2016 21 01 2017 Boiling Bubbles Experimental Two-phase flow Particles Droplets Measurement techniques Heat transfer Boiling of binary and multicomponent mixtures is widely applicable in chemical, refrigeration, air-conditioning, and air separation...