.... (18) and (22) in the design of spiral coil heat exchangers, as reported by Patil [ 36 ], can be summarized as follows: (1) Elimination of the curvature ratio term in Eqs. (18) and (22) reduces the total number of variables required to specify the fluid flow and heat transfer phenomenon...

... of Convective Heat Transfer , Springer-Verlag , Germany , pp. 130 – 140 . [8] Eckert , E. R. G. , and Low , G. M. , 1951 , “ Temperature Distribution in Internally Heated Walls of Heat Exchangers Composed of Non-Circular Flow Passages ,” National Advisory Committee for Aeronautics, Cleveland, OH...

... predict the experimental data well in a wide parametric range of the micro-pin-fin configurations. This is because conventional correlations are mostly developed for the long tube banks used mostly in heat exchanger applications, which is different from the micro-pin-fins due to different height...

...Lovedeep Sahota; V. S. Gupta; G. N. Tiwari In the present paper, efforts has been made to study the thermophysical performance (properties) of N photovoltaic thermal flat plate collectors coupled with double slope solar still (N-PVT-FPC-DSSS) and operating with helically coiled heat exchanger...

.... 11 12 2017 01 05 2018 Computational fluid dynamics Forced convection Heat and mass transfer Heat exchangers Micro heat transfer Nanoscale heat transfer Heat transfer associated with fluid flows through periodic structures is often encountered in various industrial devices...

...S. Eiamsa-Ard; P. Samravysin This paper deals with the influence of overlapped-quadruple twisted tape (OQT) and typical quadruple twisted tape (QT) on the enhancing heat transfer rate in a heat exchanger tube. The effects of tube orientation (co-tapes and counter tapes), tape arrangement (cross...

... Experimental techniques Heat and mass transfer Heat exchangers Micro heat transfer Thermal systems Two-phase flow Particles Droplets Boiling Condensation Nanoscale heat transfer Heat transfer Flow regimes, condensation, evaporation, and related two-phase flow phenomena in a single...

... received November 13, 2017; published online June 29, 2018. Assoc. Editor: Zhixiong Guo. 08 05 2017 13 11 2017 Computational fluid dynamics Conduction Electronic cooling Energy systems Heat exchangers Heat transfer enhancement Natural convection Porous media Thermal systems...

...Foluso Ladeinde; Alabi Kehinde; Wenhai Li Manifold-microchannel (MM) combinations used on heat transfer surfaces have shown the potential for superior heat transfer performance to pressure drop ratio when compared with chevron-type corrugations for plate (frame) heat exchangers (PHEs). This paper...

... with No. 1 has 15% fewer tubes than that with No. 2, which is a reduction by 80 tubes for centrifugal condenser and 20 tubes for the screw condenser. The tube lengths are 4 m and 2.94 m for centrifugal and screw chiller, respectively. Subcooling section in the heat exchanger is the same for the two...

...Hyun Jin Kim; Leon Liebenberg; Anthony M. Jacobi Heat transfer and pressure drop characteristics of R-134a boiling in a chevron-patterned brazed plate heat exchanger (BPHE) are studied experimentally. With corrugated BPHE channels having hydraulic diameter of 3.4 mm and low refrigerant mass flux...

... received August 3, 2017; final manuscript received January 10, 2018; published online May 7, 2018. Assoc. Editor: Ali Khounsary. 03 08 2017 10 01 2018 Heat exchangers Radiative heat transfer Thermal systems When two bodies are closely separated, the near-field (NF) radiative...

... RANSFER . Manuscript received June 18, 2017; final manuscript received February 15, 2018; published online March 30, 2018. Assoc. Editor: Yuwen Zhang. 18 06 2017 15 02 2018 Experimental techniques Forced convection Gas turbine heat transfer Heat exchangers Heat pipes...

...Heng Wang; Lakshmi Balasubramaniam; Samuel D. Marshall; Xin Jin; Rerngchai Arayanarakool; Poh Seng Lee; Peter C. Y. Chen The heat transfer performance of two roll-to-roll microchannel heat exchangers with square cross section and side length ranging from 0.2 mm to 0.5 mm were investigated via...

...D. Gomse; T. M. Kochenburger; S. Grohmann Heat exchangers are important components in many engineering applications. This paper proposes a numerical two-phase heat exchanger model with simultaneous heat transfer and pressure drop calculations. The presented model provides a modeling framework...

..., 2017; final manuscript received October 16, 2017; published online January 30, 2018. Assoc. Editor: Ali Khounsary. 30 05 2017 16 10 2017 Electronic cooling Heat exchangers Micro heat transfer Nanoscale heat transfer Flow networks are characterized by a plurality...

...: Zhuomin Zhang. 22 01 2017 29 08 2017 Heat and mass transfer Heat exchangers Heat transfer enhancement Heat transfer Micro heat transfer Thermal systems Thermophysical properties Manufacturing Nanoscale heat transfer During the last many years, water-based nanofluid...

... thermal management applications, such as cooling of electronics [ 1 ] and metal foam heat exchanger [ 2 ]. One of the most fundamental properties required for such applications is the effective stagnant thermal conductivity. Naturally, the effective stagnant thermal conductivity depends on its particular...

...Feng-Cai Zheng; Song Liu; Zhi-Min Lin; Jaafar Nugud; Liang-Chen Wang; Li-Min Chang; Liang-Bi Wang Air-side heat transfer and flow friction characteristics of four different fin patterns suitable for flat tube bank fin heat exchangers are investigated experimentally. The fin patterns are the fin...

... Forced convection Heat exchangers Heat transfer enhancement With the rapid development of the microfabrication technologies, the increasing heat generation makes a proper thermal management solution critical to the electronic devices. In the beginning of the 1980s, Tuckerman and Pease [ 1...