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Keywords: unsteady
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Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Heat Mass Transfer. July 2013, 135(7): 072301.
Paper No: HT-12-1344
Published Online: June 17, 2013
...Ali Shokrgozar Abbassi; Asghar B. Rahimi First, the energy equation of the liquid-solid interface, Eq. (17) , is numerically solved to find the freezing velocity ( d   S ˜ / d τ = S · ˜ ( t ) ) , which is as unsteady term in Eq. (8) . Thus, this equation...
Journal Articles
Publisher: ASME
Article Type: Technical Notes
J. Heat Mass 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
Publisher: ASME
Article Type: Technical Papers
J. Heat Mass 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 Articles
Publisher: ASME
Article Type: Technical Papers
J. Heat Mass 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
Publisher: ASME
Article Type: Technical Papers
J. Heat Mass 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
Publisher: ASME
Article Type: Technical Papers
J. Heat Mass Transfer. June 2003, 125(3): 413–421.
Published Online: May 20, 2003
... transforms heat exchangers laminar to turbulent transitions time series Forced Convection Heat Transfer Heat Exchangers Tubes Unsteady Vortex T = T w Figure 3 shows a schematic representation of the three-dimensional grid used for the present computation...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Heat Mass 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
Publisher: ASME
Article Type: Technical Notes
J. Heat Mass 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
Publisher: ASME
Article Type: Technical Papers
J. Heat Mass 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
Publisher: ASME
Article Type: Technical Papers
J. Heat Mass 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 Articles
Publisher: ASME
Article Type: Technical Notes
J. Heat Mass 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
Publisher: ASME
Article Type: Technical Notes
J. Heat Mass 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 Articles
Publisher: ASME
Article Type: Technical Papers
J. Heat Mass Transfer. February 2001, 123(1): 51–62.
Published Online: May 17, 2000
... for A / D = 0.314 . They attributed the rise at A / D = 0.314 past St ≈ 0.3 to the “turbulence” effect. They did not precisely define what the “turbulence” effect was, although it is inferred from their paper that it is associated with some unsteady (incoherent) motion...
Journal Articles
Publisher: ASME
Article Type: Technical Notes
J. Heat Mass Transfer. May 2000, 122(2): 372–376.
Published Online: December 9, 1999
... π 1 / 2 where Λ is the auxiliary Fresnel function (see Appendix). Observe that the term proportional to the auxiliary Fresnel function Λ in Eq. ( 20 ) governs the initial unsteady regime. When time is long enough the contribution of the auxiliary Fresnel function becomes negligible...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Heat Mass Transfer. February 2000, 122(1): 99–106.
Published Online: October 7, 1999
... = initial condition Sucec , J. , 1975 , “ Unsteady Heat Transfer Between a Fluid With Time Varying Temperature and a Plate: An Exact Solution ,” Int. J. Heat Mass Transf...