...Subhakanta Moharana; Bibhu B. Sha; Mihir K. Das; Nikolay I. Pecherkin; Aleksandr N. Pavlenko; Oleg A. Volodin Tube bundles are an integral part of the two-phase heat exchangers and are employed in numerous commercial applications. Present research compares two kinds of horizontal staggered tube...

...Rishikesh Sharma; D. P. Mishra; S. K. Sarangi; Lakhbir Singh Brar The present work investigates numerically the performance of a fin- and tube-type heat exchanger using the finite volume method. The effect of different winglet geometries, namely, straight profile, concave profile, convex profile...

...Arunachalam D; Anuj Kumar Shukla; Anupam Dewan; Rahul Salhotra; Deepak Kumar Singh This paper investigates the adaptability of different RANS-based turbulence models for flow behaviour and thermal performance of combined multiple shell-pass shell and tube heat exchanger (CMSP-STHE) with unilateral...

... extended for a fin and tube heat exchanger which acts as an indirect evaporative cooler (IDEC). Both DEC and IDEC are combined and developed into a two stage evaporative cooler in which performance studies have been carried out. Performance parameters are optimized for all three modes of evaporative...

...: lekbirabdelhak@gmail.com Energy Efficiency Experimental/Measurement Techniques Heat and Mass Transfer Heat Exchangers Low Temperature Heat Transfer Accepted Manuscript Not Copyedited Journal of Thermal Science and Engineering Applications. Received April 30, 2022; Accepted manuscript posted March 01...

...Xianjin Wang; Xiaofei Niu; Feng Bai; Peng Zhang; Shuping Chen; Junhui Zhang A 2K heat exchanger is essential for 2K superfluid helium cryogenic systems, as it increases cooling capacity and improves overall system efficiency. The thermal performance of heat exchanger is affected by fluid properties...

...Praveen Barmavatu; Mihir Kumar Das; R. Subash; Banoth Sravanthi; Radhamanohar Aepuru; R. Venkat Reddy; Yalagandala Akshay Kumar The main aim of the article is intended to design an effective Plate-Fin Heat Exchanger (PFHX) with composite materials such as SS316 + copper and SS304 + Flyash...

... 1 Corresponding author. Email: hj@hhtc.edu.cn 23 08 2022 04 01 2023 04 01 2023 23 01 2023 engine compartment cooling CFD optimization forced convection heat exchangers heat transfer enhancement thermophysical properties Education Department of Hunan...

... 1 Corresponding author. Email: plu@nuaa.edu.cn Email: 747091521@qq.com Email: 2391814379@qq.com Email: wangsz212@163.com 1 Corresponding author. Email: hlhuang@nuaa.edu.cn 15 07 2022 16 11 2022 21 11 2022 13 12 2022 plate heat exchanger flow...

.... The heat pipe is a heat exchanger device with very high thermal conductivity. The present study was an attempt to find the effectiveness of the heat pipe attached to the battery under air cooling to reduce the temperature of the battery. The heat pipe can be flattened and bent hence it is very useful...

...Vikash Kumar; Rashmi Rekha Sahoo Technology innovation requires advanced heat transporting techniques to fulfill better exergy and economic behavior of compact air heat exchangers (HXs). Three different turbulator inserts, TTIs, PTTIs, and DTTIs (twisted turbulator inserts, perforated twisted...

... heat flux multi-slot burner syngas impinging flames partial premixing heat transfer heat exchangers heat transfer enhancement Gas burners are quite commonly used in domestic and industrial heating. The power rating of a burner is fixed based on the intended application. A typical burner...

...Vaishali Goyal; Arun Kumar Asati; Amit Arora The current study reports the modeling and experimental study of a novel bank-type earth air heat exchanger for both hot and humid and hot and dry weather of Ferozepur. The air has been flown through the bank in the induced mode in which uniform flow...

...De-Xin Zhang; Chuan-Yong Zhu; Liang Gong; Bin Ding; Ming-Hai Xu This work presents a numerical investigation of the thermal control performance of a phase change material (PCM) composite-filling fin heat exchanger under natural convection and transient heat flux shocks. First, the temperature...

... falling film heat exchanger is fabricated. The falling film heat exchanger is used in heat pump evaporator, and its heat transfer characteristics are analyzed and tested. The outer diameter of the heat exchanger is 219 mm, outer diameter of the inner tube is 15.88 mm, and total outer surface area...

...Biao Li; Puyi Yang; Zexi Li; Jianxin Xu; Hua Wang Direct-contact heat exchangers have great potential for waste-heat utilization. This study established a multi-objective evaluation model of the volumetric heat-transfer coefficient, entransy dissipation, and uniformity of the temperature difference...

... 04 2022 16 08 2022 18 08 2022 22 09 2022 β = relative flow angle, deg ɛ = heat exchanger effectiveness 2 θ = V-frame apex angle, deg κ = Von Kármán constant, 0.41 μ = dynamic viscosity, kg/(m s) ρ = density, kg/m 3 σ...

...Himel Barua; Maryam Younessi Sinaki; Siamak Farhad A geothermal heat exchanger (GHE) uses geothermal energy for heating or cooling residential places during winter or summer. Two different designs of GHEs, the straight pipe and coiled pipe designs, are evaluated in this study, and the effect...

... transfer of the coolant and maintains a higher coolant temperature. Hence, it takes up the fuel temperature of the engine when passed through the intermediate heat exchanger, and a 13.54% of fuel consumption saving is obtained. However,entering preheated fuel into the engine at 1.25 m/s frontal air...

...David Saltzman; Stephen Lynch Preliminary heat exchanger design relies heavily on correlations for overall heat transfer and pressure drop performance, particularly for heat transfer augmentation features such as fins. Extensive work has been performed by the research community to develop...