... roughness element pin layout convection heat transfer CFD The most fundamental way to enhance heat transfer in a JIC is to roughen the target surface. After impinging, boundary layer formation is prevented by the roughness elements, which also act as an extended surface. Besides, these elements...

... optimization with three different factors and three levels for higher heat transfer coefficient (HTC) and minimum pressure drop based on the Taguchi–Grey method. Computational fluid dynamics (CFD) output is used as an input value for statistical analysis. Results revealed that the PTTI in HX successfully...

... ( 2 H ) μ RP = reactor performance Sc = Schmidt number Sh = Sherwood Number defined as Sh = h ( 2 H ) k U = average velocity V = velocity vector ρ = density υ = kinematic viscosity ethylene oxide microreactor CFD...

... combustion CFD pulsating flames detached eddy simulation (DES) The main task of combustion research was to increase combustion efficiency and reduce emissions because emission legislation became stringent [ 1 ]. In this regard, engineers and researchers have focused their attention on advanced...

...Wen-Xiao Chu; Ching-An Tsai; Bing-Hung Lee; Kai-Yueh Cheng; Chi-Chuan Wang A comparative study on the enhancement mechanism by various twisted tapes (TTs) in association with the local flow pattern is investigated in detail via computational fluid dynamics (CFD). The effect of gap between TT...

...Rajendra Prasad K S; Krishna V; Sachin Bharadwaj M; Babu Rao Ponangi Modeling of turbulence heat transfer for supercritical fluids, using computational fluid dynamics (CFD) software, is always challenging due to the drastic property variations near the critical point. The use of artificial neural...

...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...

... ), length ( L ), time ( T ), and temperature ( K ). The dimensionless π-terms are elaborated in Table 9 . The flow of supercritical steam is simulated using ansys fluent 18.1, which is a finite volume-based commercial CFD solver. The governing equations are the conservation of mass, conservation...

... of the plausible solutions for more uniform heat transfer. In this study, computational fluid dynamics (CFD) simulations have been carried out for multiple swirling impinging flames arranged in a hexagonal array configuration. The turbulence chemistry interactions in the flame field are solved numerically using...

.... Employing computational fluid dynamics (CFD) analyses, the study shows that the method has the potential to significantly improve natural convection cooling by accelerating flow in tall porous structures while at the same time improves mechanical stability of such structures. Fig. 9 Comparing velocity...

... that higher cooling rates result in a decrement of secondary dendrite arm spacing (SDAS) of 1 mm thin strip along strip surface results in the fine and homogeneous microstructure. e-mail:  shukla@iitm.ac.in 04 07 2017 21 05 2019 13 09 2019 high-speed twin roll casting CFD...

... May 16, 2019; published online June 20, 2019. Assoc. Editor: Guihua Tang. 18 02 2019 16 05 2019 CFD impinging jet cooling gas turbine blade convective heat transfer nozzle One of the most important parameters affecting the efficiency and power output of a gas turbine...

... CFD discrete heat source LTE LTNE In this electronic era, the electronic components are becoming increasingly smaller; as a result, the area available for heat dissipation becomes very less which, in turn, increases the heat flux at the chip level. The convection heat transfer study through...

...M. Langari; Z. Yang; J. F. Dunne; S. Jafari; J.-P. Pirault; C. A. Long; J. Thalackottore Jose The accuracy of computational fluid dynamic (CFD)-based heat transfer predictions have been examined of relevance to liquid cooling of IC engines at high engine loads where some nucleate boiling occurs...

.... Assoc. Editor: W. Q. Tao. 29 01 2014 03 06 2014 This paper presents a computational fluid dynamics (CFD) methodology to accurately predict the heat transfer characteristics of an unconfined steady impinging air jet in the transitional flow regime, impinging on a planar constant...

... scale-roughened models (with the scale height varying in the range from 1 mm to 2.5 mm) are numerically predicted using commercial computational fluid dynamics (CFD) code, Ansys cfx . The turbulent model employed is the k–ω based shear–stress transport (SST) model with automatic wall function treatment...

... transfer results for a vertical flat plate may be used as an approximation for the heat transfer from a vertical cylinder will be investigated. laminar natural convection vertical cylinders classic solutions CFD Laminar natural convection heat transfer from the vertical surface...

... (CFD) at Imperial College (IC) in the 1960s by a group founded by Brian Spalding who was the charismatic leader of a dedicated team for a decade. I was a member of this team during the development of the basic engineering practice that came to be known as the IC approach to “CFD.” I hope to capture...

... coefficient. In addition to the measurements, a numerical analysis using the commercial CFD software package ANSYS CFX is conducted. Heat transfer predictions are compared with those obtained from experiments with regards to local distributions as well as averaged quantities. A good overall agreement is found...

... minichannel condensation VOF CFD gravity surface tension Minichannel heat exchangers are nowadays widely used and studied in a number of different applications. In the case of condensers for automotive air-conditioning applications, for example, extruded aluminum multiport minichannel tubing...