...Yogesh Jaluria This paper considers the optimization of thermal systems and processes, which are of interest in a wide range of practical applications, on the basis of mathematical and numerical modeling as well as experimental data. Many complexities, such as property variations, complicated...

...Sainan Lu; Kambiz Vafai The chip-size integrated double-layer microchannels (DLMCs) and multilayer microchannels (MLMCs) are investigated to optimize the thermal performance of three-dimensional integrated circuits (3D ICs). The chip-size integrated DLMCs without a heat spreader and a heat sink...

...Asif Afzal Optimization of thermal performance processes using genetic algorithm (GA) combined with some commercial software or other soft computing methods like artificial neural networks are common in many heat transfer applications with the exception of battery thermal management...

...Andisheh Tavakoli; Kambiz Vafai This study establishes a numerical investigation of the optimal distribution of a limited amount of high thermal conductivity material to enhance the heat removal from 3D integrated circuits, IC. The structure of the heat spreader is designed as a composite of high...

...Reid Smith; Sandip Dutta With advances in additive manufacturing of metal components, commercial production of complex turbine components is becoming feasible. Thus, designers are not constrained to the limitations of conventional manufacturing methods. A new conjugate optimization technique...

...Hamdy Hassan; Souad Harmand An optimization of vapor chamber (VC) region's width and its wick porosity to achieve the minimum temperature rise of the vapor chamber is studied in this paper. The optimization process is carried out by particle swarm optimization (PSO) method. The study is performed...

..., 2015. Assoc. Editor: Cesare Biserni. 22 03 2014 25 06 2014 17 03 2015 Pin-fins are considered as one of the best elements for heat transfer enhancement in heat exchangers. In this study, the topology of pin-fins (length, diameter, and shape) is optimized based on the entropy...

...Sang-Moon Lee; Kwang-Yong Kim 1 Corresponding author. Manuscript received February 11, 2014; final manuscript received July 1, 2014; published online March 17, 2015. Assoc. Editor: Bengt Sunden. As the first step in the optimization procedure, the design variables are selected...

... electronics components. We present optimization results for single rectangular, triangular, and trapezoidal fins. After that, we minimize the mass of an existing heat sink consisting of a base plate and a fin array by optimizing the geometrical variables and component locations on the base plate...

...Adrian Bejan Manuscript received March 18, 2014; final manuscript received April 9, 2014; published online March 17, 2015. Assoc. Editor: Giulio Lorenzini. 18 03 2014 09 04 2014 17 03 2015 Here, I review the physics meaning of optimization, knowledge and design...

... In order to achieve uniform distribution of heat flux over an isothermal heated target surface, a numerical algorithm is developed to obtain an optimized array of four laminar impinging slot jets. Root mean square deviation of the local Nusselt distribution from the desired Nusselt number is considered...

... thermal-fluid-solid modeling based on volume averaging theory (VAT) has allowed for significant strides in this effort. A number of optimization methods for heat sink designers who model heat sinks with VAT can be envisioned due to VAT's singular ability to rapidly provide solutions, when compared...

... , “ The Optimal Spacing for Parallel Plates Cooled by Forced Convection ,” Int. J. Heat Mass Transfer , 35 , pp. 3259 – 3264 . 10.1016/0017-9310(92)90213-C [3] Bejan , A. , 2004 , Convection Heat Transfer , John Wiley & Sons , Hoboken, NJ . [4] Dede , E. M. , 2012 , “ Optimization...

... cells, enhanced by metallic surface nanotexturing. We consider optimum grating structures on the surface of amorphous silicon solar cells obtained by inverse optimization, and study the joint statistics of the resulting absorption enhancement/spectra in the presence of time and structural variants...

...: Giulio Lorenzini. 04 07 2012 07 03 2013 The concept of relative inverse admittance applied to composite fins optimization in the case of longitudinal rectangular fins under 2D heat conduction is presented in this work. Here, different values for convective conditions at the fin...

.... Assoc. Editor: Giulio Lorenzini. 22 07 2012 18 03 2013 This paper proposes and implements a new methodology for optimizing finned-tube heat exchangers (FTHEs) using a volume-averaging theory (VAT) hierarchical physical model and a genetic algorithm (GA) numerical optimizer...

...R. Karvinen; T. Karvinen A method and practical results are presented for finding the geometries of fixed volume plate fins for maximizing dissipated heat flux. The heat transfer theory used in optimization is based on approximate analytical solutions of conjugated heat transfer, which couple...

... geometry of a complex assembly of fins, i.e., an assembly where there is a cavity between the two branches of the T-Y-assembly of fins and two additional extended surfaces. The global thermal resistance of the assembly is minimized four times by geometric optimization subject to the following constraints...

...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...

.... It is also demonstrated that the classical temperature distribution and heat transfer rate from the two-dimensional isotropic pin fin introduced earlier in literature can easily be recovered from the general solutions presented in this paper. Furthermore, dimensionless optimization results are presented...