...Xinhai Gan; Jinghan Wang; Zhiyu Liu; Min Zeng; Qiuwang Wang; Zhilong Cheng Mini-channel heat exchangers are widely used due to their compact structures and high efficiency. Integrating heat exchangers with triply periodic minimal surfaces (TPMS) has shown great potential to optimize the flow...

... convection of low-melting-point metals in small/mini-channels, typical in compact electronic devices, is carefully argued. Some special aspects pertaining to the practical application of this cooling technique, including the entrance effect, mixed convection, and compact liquid metal heat exchanger design...

...Temesgen Garoma; Ramin E. Yazdi This study is part of a broader study on a novel method for harvesting algae by evaporation, and it investigated the feasibility of heating algal biomass using low-grade waste heat in a heat exchanger. Computational fluid dynamic (CFD) analysis was performed...

.... 19 01 2013 14 07 2014 Within a Marnoch heat engine (MHE), a water/glycol mixture transfers heat from the heat source into a set of variable flow heat exchangers and removes heat from adjoining cold heat exchangers. The compressed dry air is used as the working medium in this heat engine...

... received May 21, 2013; published online September 27, 2013. Assoc. Editor: William P. Klinzing. 20 07 2012 21 05 2013 Louvered fins perform better than any other geometry in accomplishing the task of enhancing heat transfer of compact heat exchangers without prohibitive costs...

...; published online September 23, 2013. Assoc. Editor Sujoy Kumar Saha. 22 04 2012 14 02 2013 The computational study of heat transfer and fluid flow in a porous media cold plate was investigated using lattice Boltzmann method. The study was carried out on a heat exchanger including two...

... can be readily found from the laminar annular flow solutions. Significant differences are found between these and values from approximate equations. condensation microchannel surface tension pressure drop refrigerant heat exchanger Copyright © 2013 by ASME 2013 0022-1481/2013/135...

...Eph Sparrow; John Gorman; John Abraham variability of overall heat transfer coefficient heat exchanger laminar flow turbulent flow numerical simulation The overall heat transfer coefficient U has been at the core of heat exchanger analysis and design since time immemorial...

... superheat. The effects of the tube row on the solution wetting and heat transfer were significant, especially for downstream tubes. porous coating solution wetting falling film horizontal tube heat exchanger evaporator A falling-film evaporator is typically built using horizontal-tube...

... , H. , 2009 , “ Application of High Porosity Metal Foams as Air-Cooled Heat Exchangers to High Heat Load Removal Systems ,” Int. Comm. Heat Mass Transfer , 36 ( 7 ), pp. 674 – 679 . 10.1016/j.icheatmasstransfer.2009.03.001 [4] Odabaee , M. , Hooman , K. , and Gurgenci , H...

...Feng Zhou; Nicholas E. Hansen; David J. Geb; Ivan Catton Modeling a fin-and-tube heat exchanger as porous media based on volume averaging theory (VAT), specific geometry can be accounted for in such a way that the details of the original structure can be replaced by their averaged counterparts...

...Ivan Catton Optimization of heat exchangers (HE), compact heat exchangers (CHE) and microheat exchangers, by design of their basic structures is the focus of this work. Consistant models are developed to describe transport phenomena in a porous medium that take into account the scales and other...

...M. Izadi; D. K. Aidun; P. Marzocca; H. Lee This paper describes an advanced monitoring system for fouling phenomenon in a wide range of tubular heat exchangers such as condensers and intercoolers. First, a mathematical model of fouling resistance in tubular heat exchangers is adapted. The model...

...Hie Chan Kang; Gil Woong Jun The present work was conducted to investigate the air-side pressure drop and heat transfer performance of the louver fin-tube heat exchanger for automobile applications. Fourteen kinds of louver fin geometries with different louver pitches and angles were tested...

...A. M. I. Mohamed; R. Hoettiba; A. M. Saif Heat transfer enhancement using corrugated ribbed passages is one of the common enhancement techniques inside heat exchangers. The present study investigated numerically the effect of the corrugation rib angle of attack on the fluid flow and heat transfer...

... in a concentric counterflow heat exchanger. Artificial hard water with calcium carbonate hardness of 250 mg/L was used with velocity ranging from 0.1 m/s to 0.5 m/s and zero blowdown. Fouling resistances decreased by 50–72% for the plasma treated cases compared with the values for no-treatment cases, indicating...

...Pouria Ahmadi; Hassan Hajabdollahi; Ibrahim Dincer In the present work, a thermal modeling is conducted for optimal design of compact heat exchangers in order to minimize cost and entropy generation. In this regard, an ε − NTU method is applied for estimation of the heat exchanger pressure drop...

...M. J. White; G. F. Nellis; S. A. Klein; W. Zhu; Y. Gianchandani Cryogenic and high-temperature systems often require compact heat exchangers with a high resistance to axial conduction in order to control the heat transfer induced by axial temperature differences. One attractive design...

... for heat exchanger applications. We report here the effective convection coefficient and viscosity in microtubes ( D = 0.5 mm ) along with stationary thermal conductivity measurements for nanofluids based on spherical particles ( Al 2 O 3 , ZnO, and CuO) and carbon nanotubes. Sample data include...

...Manish Mishra; P. K. Das; Sunil Sarangi Transient temperature response of crossflow heat exchangers with both fluids unmixed and finite wall capacitance is investigated numerically for sinusoidal excitation provided in hot fluid inlet temperature. The effect of two-dimensional longitudinal...