... , respectively, while its thickness is denoted by c . A spatially distributed contact resistance between adjacent layers is modeled by defining a contact conductance h ci ( x,y ). In this paper, we solve an inverse heat conduction problem [ 2–10 ] for the identification of the interface thermal contact...

...S. Ghalambor; D. Agonafer; A. Haji-Sheikh Fig. 10 The four functional units in each layer In this example, it is appropriate to select the same procedure used in example 2. However, consideration is given to the effect of thermal contact resistance in this example. In ansys...

... of brazed foams, where the contact resistance is assumed to be zero. The inlet temperature thermal conductivity and dimensions of the foam are taken similar to those reported by the authors. Tamayol and Hooman [ 14 ] proposed a correlation for the fiber diameter of ERG foams used by Calmidi and Mahajan [ 3...

...Amine Beloufa Automotive connectors in modern car generations are submitted to high current; this can cause many problems and requires the minimization of their electrical contact resistances. The new major contribution of this work is the optimization by finite element method of contact resistance...

... to account for the electrical and thermal volume phenomena, which occur near a metallic interface crossed by an electric current. One approach consists in representing microconstriction phenomena by surface contact parameters: The share coefficient and the thermal and electrical contact resistances, which...

... of nonuniform stack compression. 23 08 2007 19 06 2008 19 09 2008 contact resistance proton exchange membrane fuel cells temperature distribution fuel cell contact resistance temperature distribution Computational models of fuel cell behavior can be used to predict...

... with previous work that demonstrated that a water meniscus at the contact point could mainly contribute to reduce the thermal contact resistance R c ( 9 16 17 18 ). Above this limit, this contribution vanishes and the thermal contact remains only related to air conduction, convection, radiation...

...Robert L. Jackson; Sushil H. Bhavnani; Timothy P. Ferguson A new multiscale model of thermal contact resistance (TCR) between real rough surfaces is presented, which builds on Archard’s multiscale description of surface roughness. The objective of this work is to construct the new model and use...

...K. Ramadan; M. A. Al-Nimr The thermal behavior of a multilayered slab in imperfect contact using the dual-phase-lag heat conduction model is numerically analyzed, considering a range of heat flux-phase lag, temperature gradient-phase lag, and thermal contact resistance. Wave reflections from both...

... 05 2008 plates (structures) proton exchange membrane fuel cells reliability temperature distribution fuel cell contact resistance Considerable progress has been made in developing comprehensive heat and mass transfer models of proton exchange membrane (PEM) fuel cells...

... as function of the inner resistance D , for different layer resistances B , for a constant contact resistance C = 0.001 Validation through already-published computation results No. Parameters Computed Entity Literature source This work Discrepancy B...

... reported as well as new experimental results, the electrical and thermal contact resistances and modifications in the gas diffusion layer transport properties that develop within the stack in response to changes in the compressive force used to assemble the stack are accounted for. The fuel cell stack...

...F. J. Hong; H.-H. Qiu A method based on a novel ultrasound technique and inverse heat transfer analysis was developed to study the transient thermal contact resistance (TCR) at the early stage of a rapid contact solidification process. This promising technique is nonintrusive and, therefore...

... conductivity, whereas a contact resistance is present between the current collectors and gas-diffusion layers. A two-dimensional single phase model is used to capture transport phenomena inside the cell. From the use of this model, it is predicted that the maximum temperatures inside the cell can...

... process was developed and employed to fabricate the test articles, which were fabricated using multiple, uniform layers of sintered isotropic copper mesh. This process minimized the interface thermal contact resistance between the heated wall and the capillary wick, as well as enhancing the contact...

... be a promising next-generation thermal interface solution. However, fairly large thermal resistances were observed at the interfaces between the CNT samples and the experimental contact. Minimizing these contact resistances is critical for the application of these materials. 24 02 2005 04 11 2005...

..., and for conduction heat transfer with contact resistance. Simulated experimental data was used for the first two cases, and true experimental data was used for the third. The results from the sensitivity analysis approach compared well with those for the Monte Carlo method. The results show that the metric presented...

.... The contact resistance was reduced by the platinum coating for about 9–13% of the total thermal resistance of the nanofiber sample before the platinum coating. At a temperature of 300 K , the axial thermal conductivity of the carbon nanofiber is about three times smaller than that of graphite fibers grown...

...Yoav Heichal; Sanjeev Chandra Thermal contact resistance between molten metal droplets (aluminum alloy 380 and bismuth) and solid plates (steel and brass) was measured experimentally. The diameter of the droplets was 4 mm , and droplet impact velocity ranged between 1 and 3 m ∕ s . Substrate...

...V. Bahadur, Student Mem. ASME; J. Xu, Student Mem. ASME; Y. Liu, Student Mem. ASME; T. S. Fisher, Mem. ASME This paper employs continuum principles combined with van der Waals theory to estimate the thermal contact resistance between nanowires and planar substrates. This resistance is modeled using...