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Keywords: thin film
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Journal Articles
Article Type: Research-Article
J. Heat Transfer. April 2021, 143(4): 042801.
Paper No: HT-20-1285
Published Online: February 22, 2021
... characteristics, e.g., surface roughness, surface damage, oxide layers, and deposited thin films, and cannot be assumed as those of pure materials, typically referred to optically smooth surfaces (OS). An experimental investigation of the thermal emittance of some metals (nickel, titanium, silver, and stainless...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. September 2015, 137(9): 091009.
Paper No: HT-14-1129
Published Online: September 1, 2015
... in the infrared spectrum. The radiative properties for VACNT thin films are also evaluated, showing some reduction of absorptance in the near-infrared due to transmission for film thicknesses less than 50 μ m. This study provides a better understanding of the infrared behavior of VACNT and may guide the design...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. May 2013, 135(5): 051501.
Paper No: HT-12-1053
Published Online: April 9, 2013
... stability analysis of thin films that surface tension has a stabilizing effect on the film [ 16 , 17 ], and that condensation (opposed to evaporation) tends to stabilize the film [ 18–21 ]. Nonlinear stability analysis for flows along plates has shown that stability of the film depends on the frequency...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. March 2013, 135(3): 031501.
Paper No: HT-11-1570
Published Online: February 8, 2013
... 2 δ 0 2 - d 0 δ 0 ) Equation (30) indicates that the maximum heat flux occurring in the evaporating thin-film region is not greater than 0.47 times of the characteristic flux heat, q ″ 0 = ( k l ( T w - T v...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. November 2012, 134(11): 111401.
Published Online: September 28, 2012
... performance of circuitry, but the spatial resolutions are nearly equivalent. We have demonstrated utilization of the thermoreflectance technique to acquire temperature difference measurements of self-heating gold thin film structures. The current thermal and spatial resolutions of the measurement...
Journal Articles
Article Type: Research Papers
J. Heat Transfer. October 2010, 132(10): 101301.
Published Online: July 27, 2010
.... Therefore, Eq. 13 or 14 can be viewed as the local equilibrium condition that should not be imposed in solving EPRT for thin films. Consider a thin film in Casimir’s limit where ballistic phonon transport dominates between two black walls. One may view phonon radiation as being emitted from two...
Journal Articles
Article Type: Research Papers
J. Heat Transfer. May 2010, 132(5): 052402.
Published Online: March 8, 2010
...Arpit Mittal; Sandip Mazumder The Monte Carlo method has found prolific use in the solution of the Boltzmann transport equation for phonons for the prediction of nonequilibrium heat conduction in crystalline thin films. This paper contributes to the state-of-the-art by performing a systematic study...
Journal Articles
Article Type: Research Papers
J. Heat Transfer. March 2010, 132(3): 031502.
Published Online: January 4, 2010
... decreases abruptly until f r = 3.5 % , for which its value is minimum and 3.7 times lower than that of the empty system. This abrupt variation is most likely due to the thinning of the liquid film in the grooves at the evaporator and especially to the very thin film at the junction between...
Journal Articles
Article Type: Research Papers
J. Heat Transfer. January 2010, 132(1): 012403.
Published Online: October 26, 2009
...Jun Yu; Zhen’an Tang; Fengtian Zhang; Haitao Ding; Zhengxing Huang This paper presents a micropulse calorimeter for heat capacity measurement of thin films. Optimization of the structure and data processing methods of the microcalorimeter improved the thermal isolation and temperature uniformity...
Journal Articles
Article Type: Research Papers
J. Heat Transfer. November 2008, 130(11): 112402.
Published Online: September 5, 2008
...Jeromy Jenks; Vinod Narayanan An experimental study of the absorption of ammonia vapor in a constrained thin film of ammonia-water solution is presented. A large aspect ratio microchannel with one of its walls formed of a porous material is used to constrain the thickness of the liquid film...
Journal Articles
Article Type: Research Papers
J. Heat Transfer. October 2008, 130(10): 102402.
Published Online: August 8, 2008
...Ankur Jain; Kenneth E. Goodson An accurate measurement of the thermophysical properties of freestanding thin films is essential for modeling and predicting thermal performance of microsystems. This paper presents a method for simultaneous measurement of in-plane thermal conductivity and heat...
Journal Articles
Article Type: Research Papers
J. Heat Transfer. December 2006, 128(12): 1276–1284.
Published Online: March 1, 2006
... extensively used in models of thin film transport in passages in micro evaporators and micro heat pipes. In this investigation, hybrid μ P T molecular dynamics (MD) simulations were used to predict the pressure field and film thermophysics for an argon film on a metal surface. The results of the simulations...
Journal Articles
Article Type: Research Papers
J. Heat Transfer. July 2006, 128(7): 709–716.
Published Online: November 28, 2005
... , A. R. , and Chen , G. , 2001 , “ Data Reduction in 3ω Method for Thin-Film Thermal Conductivity Determination ,” Rev. Sci. Instrum. 0034-6748 10.1063/1.1353189 , 72 , pp. 2139 – 2147 . Cole , K. D. , 2004 , “ Analysis of Photothermal Characterization of Layered Materials...
Journal Articles
Article Type: Technical Papers
J. Heat Transfer. February 2000, 122(1): 113–117.
Published Online: July 22, 1999
...N. Bianco; O. Manca In this paper the transient coupled conductive-radiative field, due to a laser heat source impinging on a thin film deposited on a substrate, has been solved in the hypothesis of one dimensionality of the optical field and of two dimensionality of the thermal field. Results have...