...Tianyun Liu In this paper, a pressure-swirl atomizing nozzle was proposed to improve the atomization characteristics and enhance the heat transfer characteristics. By modifying the structural parameters of the nozzle, the effect of angles of inclined holes on the swirl plate on the heat transfer...

... angles. Three Reynolds numbers (Re = 6000, 10,000, 15,000), five rotational speeds (Ta/Re = 0, 0.01, 0.04, 0.08, and 0.1), and three tooth front angles(75 deg, 90 deg, and 102.4 deg) have been introduced. The variation of leakage losses and heat transfer under different conditions is compared...

... the corresponding author upon reasonable request. b = fluid domain width (m) e = edge of the solid square MPF (m) f = friction factor h = convective heat transfer coefficient (W/m 2 /K) k = thermal conductivity (W/m/K) q = heat flux (W/m 2 ) t = base...

... heat transfer efficiency, a new heterogeneous PCHE with MS zigzag passage and sCO 2 airfoil fin passage was proposed. A one-dimensional simulation of the new PCHE was conducted to study the effects of the plate number and the length on its pressure drop, MS mass flowrate, capital cost, and operating...

... in mainstream air using pressure-sensitive paint (PSP). However, PSP is not able to measure the heat transfer coefficient, which is necessary to fully quantify the impact of film cooling. Instead, binary pressure-sensitive paint (BPSP) has an additional luminophore that is sensitive to temperature and can...

...M.T. Baissi; S. Hassani; Housseyn Karoua; K. Aoues; N. Moummi Experiments have been conducted to determine how several geometrical parameters of V-shaped porous baffles influence flow characteristics and heat transfer in a rectangular channel. Experiments were conducted on geometric parameters...

...Chandan Mukherjee; Sudipto Mukhopadhyay In non-isothermal flows, heatlines are used to depict the energy flow from hot surface to cold surface and help in visualizing the strength of the convective heat transfer as compared to the conductive heat transfer. Traditionally, researchers have plotted...

...Lingying Zhao; Min Ye; Yuchuan Ma; Yiding Sun A double barrel with differential velocity (DBDV) was proposed to improve the mixture quality. Temperature is one of the indexes to evaluate the mixture quality. At present, there are few studies on the heat transfer of DBDV. The heat transfer...

... to generate soil porous media containing different stones and a fully connected pore. The lattice Boltzmann method (LBM) model for multiphase flow and heat transfer is used to simulate the heat and moisture migration of four types of soils: stone-free, sandstone, limestone, and shale. The simulations show...

... transfer characteristics. Therefore, to explore the comparative nature of heat transfer in CH and IH, high-frequency welding of ferromagnetic materials was studied. Our results revealed quantitative differences between the two heating methods in terms of heating rate and intercritical heat-affected zone...

...Qi-Qi Sun; Hao-Chun Zhang; Zi-Jian Sun The research on the flow and heat transfer of alkali metals is an important technical means to strengthen the heat transfer of the core. In this paper, the 15 cooling channels with different structures are established. Under Re = 2.85 × 10 4 –2.17 × 10 5...

... wall rat = ratio ref = reference condition, at atmospheric temperature and pressure s = static T = total U = upstream References [1] Han , J. C. , Dutta , S. , and Ekkad , S. , 2012 , Gas Turbine Heat Transfer and Cooling Technology...

... conditions were further generated to describe the heat transfer in tire rubbers. Based on these equations, a novel finite element (FE) OTR tire thermal (OTRTire-T) model was developed. This OTRTire-T model was used to numerically investigate temperatures in OTR tires at vertical loads from 0.34 to 1.04 MN...

... and partial premixing affect the heat transfer characteristics. The heat fluxes received by the side and top surfaces depend on the characteristics of neighboring flames located around the central flame. The heat flux distribution and the net heat flux received by the surface are found to be uniform...

...Yongfu Liu; Yi He; Peng Tan Liquid lithium is expected to be the promising coolant for the next generation of space nuclear reactor power sources, and pipe structures have critical impacts on the flow and heat transfer characteristics, whereas related studies are still incomplete. In this work...

...Divyanshu Pratap Singh; Sushil Kumar Rathore; Sumanta Chaudhuri The present analysis deals with the heat transfer characteristics and entropy generation investigation for a non-Newtonian fluid flowing in a wavy passage having three different corrugation profiles, namely, sinusoidal, trapezoidal...

... orientation. Heat transfer downstream of the vortex generator was shown to be impacted in the reverse configuration (RCFU) due to stronger vortex formation compared to a standard CFU configuration at the least inter-winglet spacing. References [1] Bergles , A. E. , 2011 , “ Recent Developments...

... directions, respectively, and the crossflow was exhausted from one open side of the impingement channel only. The transient thermochromic liquid crystal (TLC) technique was used to measure heat transfer on the target surface for different extended lengths of 1.0–2.5 jet hole diameters with Reynolds numbers...

... the overall heat exchange situation, the matching degree of BOG and refrigerant is generally poor, and the penultimate heat exchange is the best matching situation. When optimizing the heat exchanger, the composition of the cold and heat sources and the heat transfer temperature difference should be mainly...

...Shijie Jiang; Zhigang Li; Jun Li By solving the unsteady Reynolds-averaged Navier–Stokes equations and SST k–ω turbulence model, effects of rib design on the unsteady tip heat transfer amplitude for a turbine rotor blade with different rotating speeds are numerically investigated. The results...