1-20 of 45
Keywords: optimization
Close
Follow your search
Access your saved searches in your account

Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Journal Articles
Article Type: Research-Article
J. Heat Transfer. November 2021, 143(11): 112902.
Paper No: HT-20-1550
Published Online: September 22, 2021
...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...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. October 2021, 143(10): 102901.
Paper No: HT-21-1059
Published Online: September 8, 2021
...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...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. May 2021, 143(5): 052901.
Paper No: HT-20-1516
Published Online: March 19, 2021
...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...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. February 2020, 142(2): 021901.
Paper No: HT-19-1070
Published Online: December 18, 2019
...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...
Journal Articles
Article Type: Technical Briefs
J. Heat Transfer. June 2015, 137(6): 064501.
Paper No: HT-14-1071
Published Online: June 1, 2015
... (PCHE) with zigzag flow channels in a double-faced configuration was optimized to enhance its thermal–hydraulic performance. Using exergy analysis, the objective function was defined as the net exergy gain of the system considering the exergy gain by heat transfer and exergy loss due to friction...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. June 2015, 137(6): 061901.
Paper No: HT-14-1145
Published Online: June 1, 2015
.... It is noteworthy that in all cases there is a very slight difference between H / D  = 0.12 and 0.13 values. For the ratio D 1 / D 2  = 0.8, there is a similar trend as that for D 1 / D 2  = 0.7. But for D 1 / D 2  = 1.0 and 1.1, where the optimal configuration was placed, the CL shows different...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. June 2015, 137(6): 061002.
Paper No: HT-13-1653
Published Online: June 1, 2015
... [22] Nocedal , J. , and Wright , S. J. , 1999 , Numerical Optimization , Springer , New York , Chap. 3. [23] Hauf , W. , and Grigull , U. , 1970 , “ Optical Methods in Heat Transfer ,” Adv. Heat Transfer , 6 , pp. 133 – 366 . 10.1016/S0065-2717(08)70151-5 [24...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. June 2015, 137(6): 061006.
Paper No: HT-14-1164
Published Online: June 1, 2015
... have been obtained when thermal resistance is minimized with volume and when either L or t b is fixed. The method to find optimal geometries for a rectangular plate fin is given in Ref. [ 21 ] and applied to other fin shapes in Ref. [ 5 ]. The case where l is fixed has...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. June 2015, 137(6): 061003.
Paper No: HT-14-1137
Published Online: June 1, 2015
...Adrian Bejan Here, I review the physics meaning of optimization, knowledge and design evolution, and why these concepts and human activities are profoundly useful for human life. A law of physics is a concise statement that summarizes a phenomenon that occurs in nature. A phenomenon is a fact...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. January 2014, 136(1): 011401.
Paper No: HT-13-1158
Published Online: October 25, 2013
... Lorenzini. 29 06 2012 26 02 2013 What distinguishes the present study from those in the past, as was discussed in the Introduction, is that the population-based optimization methods employed here operate on full nonlocal simulations of turbulent flow and heat transfer within...
Journal Articles
Article Type: Technical Briefs
J. Heat Transfer. December 2013, 135(12): 124504.
Paper No: HT-12-1656
Published Online: October 14, 2013
... positive and negative effects on the hot spot temperature. Therefore, the existence of an optimal value for the plate thickness is probable. Before conducting an optimization procedure, it is worthy to introduce the following dimensionless variables (1) θ = T - T ∞ T n . p...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. September 2013, 135(9): 091501.
Paper No: HT-12-1307
Published Online: July 26, 2013
... 2012 11 03 2013 This work is a statistical study of the broadband light absorption in thin film solar 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...
Journal Articles
Article Type: Technical Briefs
J. Heat Transfer. August 2013, 135(8): 084504.
Paper No: HT-12-1349
Published Online: July 18, 2013
...: 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...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. August 2013, 135(8): 082602.
Paper No: HT-12-1394
Published Online: July 18, 2013
.... 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...
Journal Articles
Article Type: Heat Exchangers
J. Heat Transfer. August 2012, 134(8): 081801.
Published Online: May 24, 2012
...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...
Journal Articles
Article Type: Research Papers
J. Heat Transfer. August 2011, 133(8): 081902.
Published Online: May 2, 2011
... 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...
Journal Articles
Article Type: Research Papers
J. Heat Transfer. February 2011, 133(2): 021801.
Published Online: November 3, 2010
...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...
Journal Articles
Article Type: Research Papers
J. Heat Transfer. March 2010, 132(3): 031301.
Published Online: December 30, 2009
.... 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...
Journal Articles
Article Type: Technical Briefs
J. Heat Transfer. March 2010, 132(3): 034501.
Published Online: December 23, 2009
...H. S. Kang A pin fin with variable fin base thickness is optimized using a two-dimensional analytic method. The values of the inner wall temperature and fin volume are given as constants. The fin base temperature varies with variation in the fin base thickness, fin outer radius, fin length...
Journal Articles
Article Type: Research Papers
J. Heat Transfer. January 2010, 132(1): 011401.
Published Online: October 29, 2009
...T. V. V. Sudhakar; Arun Shori; C. Balaji; S. P. Venkateshan This paper reports the results of experimental and numerical investigations of optimal heat distribution among the protruding heat sources under laminar conjugate mixed convection heat transfer in a vertical duct. A printed circuit board...