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Keywords: Unsteady
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Journal Articles
Journal:
Journal of Heat Transfer
Article Type: Research-Article
J. Heat Transfer. April 2014, 136(4): 041701.
Paper No: HT-13-1167
Published Online: January 9, 2014
...H. R. Mozayyeni; Asghar B. Rahimi The general formulation and exact solution of the Navier–Stokes and energy equations regarding the problem of steady and unsteady two-dimensional stagnation-point flow and heat transfer is investigated in the vicinity of a flat plate. The plate is moving...
Journal Articles
Journal:
Journal of Heat Transfer
Article Type: Research-Article
J. Heat Transfer. July 2013, 135(7): 072301.
Paper No: HT-12-1344
Published Online: June 17, 2013
... assumed to be one-dimensional. In this study the solidification of stagnation flows is modeled as an accelerated flat plate moving toward an impinging fluid. The unsteady momentum equations, taking the pressure variations along viscous layer thickness into account, are reduced to ordinary differential...
Journal Articles
Journal:
Journal of Heat Transfer
Article Type: Technical Notes
J. Heat Transfer. December 2004, 126(6): 1044–1047.
Published Online: January 26, 2005
...Yongmann M. Chung; Paul G. Tucker Numerical studies of unsteady heat transfer in grooved channel flows are made. The flows are of special relevance to electronic systems. Predictions suggest a commonly used periodic flow assumption (for modeling rows of similar electronic components) may...
Journal Articles
Journal:
Journal of Heat Transfer
Article Type: Technical Papers
J. Heat Transfer. June 2004, 126(3): 425–433.
Published Online: June 16, 2004
... Transient Unsteady Heat exchangers are generally designed to meet certain performance requirements under steady operating conditions. However, transient response of heat exchangers needs to be known for designing the control strategy of different HVAC systems, cryogenic and chemical process plants...
Journal Articles
Journal:
Journal of Heat Transfer
Article Type: Technical Papers
J. Heat Transfer. June 2004, 126(3): 365–375.
Published Online: June 16, 2004
... Scheme: segregated Linearization: implicit Discretization Scheme: Second order upwind Time: Unsteady Space: 3D Turbulence Model Standard κ-ε Wall treatment: Standard wall functions Radiation model Discrete Ordinates (DO) The numerical simulations...
Journal Articles
Journal:
Journal of Heat Transfer
Article Type: Technical Papers
J. Heat Transfer. December 2003, 125(6): 1017–1026.
Published Online: November 19, 2003
...A. Trombe; A. Suleiman; Y. Le Maoult The purpose of this study is to evaluate the efficiency of an inverse method to determine the variation of convective heat transfer coefficients in the unsteady state inside building enclosures. The experimental system is mainly composed of a vertical, heated...
Journal Articles
Journal:
Journal of Heat Transfer
Article Type: Technical Papers
J. Heat Transfer. August 2003, 125(4): 716–723.
Published Online: July 17, 2003
...Stanley J. Kleis; Ivan Rivera-Solorio The problem of unsteady mass transfer from a sphere that impulsively moves from rest to a finite velocity in a non-uniform concentration distribution is studied. A range of low Reynolds numbers (Re<1) and moderate Peclet numbers (Pe ranges from 5.6 to 300...
Journal Articles
Journal:
Journal of Heat Transfer
Article Type: Technical Papers
J. Heat Transfer. June 2003, 125(3): 413–421.
Published Online: May 20, 2003
... Unsteady Vortex 16 Comparison of transverse variation of heat transfer coefficient in the wake region The grid independence was confirmed rigorously. The variation of the span-averaged Nusselt number for two grid sizes, 79 × 57 × 27 and 69 × 49 × 23...
Journal Articles
Journal:
Journal of Heat Transfer
Article Type: Technical Papers
J. Heat Transfer. April 2003, 125(2): 257–265.
Published Online: March 21, 2003
... stagnation flow flow instability forced convection Analytical Boundary Layer Conjugate Flow Forced Convection Heat Transfer High Temperature Impingement Inverse Jets Laminar Thermal Turbulence Unsteady Impinging jets are often used where high rates of heat transfer...
Journal Articles
Journal:
Journal of Heat Transfer
Article Type: Technical Notes
J. Heat Transfer. February 2003, 125(1): 175–178.
Published Online: January 29, 2003
...Ruixian Cai, Academician; Na Zhang, Associate Professor Some algebraic explicit analytical solutions of the unsteady one-dimensional variable coefficient partial differential equation set describing drying process of an infinite plate are derived and given. Such explicit solutions have not yet been...
Journal Articles
Miles Greiner, ASME Member, Professor of Mechanical Engineering,, Paul F. Fischer, Henry Tufo, Associate Professor,
Journal:
Journal of Heat Transfer
Article Type: Technical Papers
J. Heat Transfer. December 2002, 124(6): 1169–1175.
Published Online: December 3, 2002
... Editor: M. Faghri. 22 October 2001 12 August 2002 03 12 2002 heat transfer flow simulation Augmentation Enhancement Heat Transfer Instability Unsteady Miniaturization of electronic components has increased circuit junction density and the associated heat loads...
Journal Articles
Journal:
Journal of Heat Transfer
Article Type: Technical Papers
J. Heat Transfer. December 2002, 124(6): 1039–1048.
Published Online: December 3, 2002
...Yongmann M. Chung; Kai H. Luo Unsteady heat transfer caused by a confined impinging jet is studied using direct numerical simulation (DNS). The time-dependent compressible Navier-Stokes equations are solved using high-order numerical schemes together with high-fidelity numerical boundary conditions...
Journal Articles
Journal:
Journal of Heat Transfer
Article Type: Technical Papers
J. Heat Transfer. June 2002, 124(3): 460–469.
Published Online: May 10, 2002
..., defining a boundary between puff and interrupted-jet behavior. 02 02 2001 03 08 2001 10 05 2002 flow instability jets heat transfer stratified flow flow visualisation turbulence Jets Scaling Turbulence Unsteady Vortex A theoretical and experimental...
Journal Articles
Journal:
Journal of Heat Transfer
Article Type: Technical Notes
J. Heat Transfer. December 2001, 123(6): 1189–1191.
Published Online: March 5, 2001
...Ruixian Cai; Na Zhang, Associate Professor The analytical solutions of nonlinear unsteady heat conduction equation are meaningful in theory. In addition, they are very useful to the computational heat conduction to check the numerical solutions and to develop numerical schemes, grid generation...
Journal Articles
Journal:
Journal of Heat Transfer
Article Type: Technical Notes
J. Heat Transfer. August 2001, 123(4): 803–809.
Published Online: December 5, 2000
... the 107.49 deg turn of the blade cascade. The mainstream Reynolds number based on cascade exit velocity was 5.3 × 10 5 . Upstream unsteady wakes were simulated using a spoke-wheel type wake generator. The wake Strouhal number was kept at 0 or 0.1. The central blade had a variable tip gap clearance...
Journal Articles
Journal:
Journal of Heat Transfer
Article Type: Technical Papers
J. Heat Transfer. February 2001, 123(1): 84–95.
Published Online: July 20, 2000
... Heat Transfer Natural Convection Unsteady The present study deals with the natural convection of water near its density maximum (cold water) in a vertical rectangular enclosure of high height/width aspect ratio as depicted in Fig. 1 . Cold water is characterized by an anomalous density...
Journal Articles
Journal:
Journal of Heat Transfer
Article Type: Technical Papers
J. Heat Transfer. February 2001, 123(1): 51–62.
Published Online: May 17, 2000
... oscillations velocity measurement temperature measurement Convection Cooling Cylinder Enhancement Entrainment Experimental Fluids Forced Convection Heat Transfer Heat Exchangers Image Processing Nonintrusive Diagnostics Recirculating Separated Surface Temperature Thermal Unsteady...
Journal Articles
Journal:
Journal of Heat Transfer
Article Type: Technical Notes
J. Heat Transfer. May 2000, 122(2): 372–376.
Published Online: December 9, 1999
... diffusion Conduction Heating Heat Transfer Transient Unsteady Transient, particularly periodic, diffusion problems are very common in practicing engineering. Some examples are the cyclic heating of the cylinder surface of internal combustion engines, the diurnal heating and nocturnal...
Journal Articles
Journal:
Journal of Heat Transfer
Article Type: Technical Papers
J. Heat Transfer. February 2000, 122(1): 99–106.
Published Online: October 7, 1999
...) w = pipe wall 0 = initial condition Sucec ,
J. ,
1975 , “ Unsteady Heat Transfer Between a Fluid
With Time Varying Temperature and a Plate: An Exact
Solution...
Journal Articles
Journal:
Journal of Heat Transfer
Article Type: Technical Papers
J. Heat Transfer. February 2000, 122(1): 196–200.
Published Online: August 23, 1999
... characteristics
of such systems. There is also very little experimental data. Filling these
knowledge gaps is the focus of this research. Condensation Heat Transfer Heat Exchangers Two-Phase Unsteady two-phase flow condensation heat transfer heat exchangers...
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