...Volkan Kirmaci In this study, heating and cooling performances of two vortex tubes connected in parallel using different working fluids were compared. In experimental studies, oxygen, nitrogen, and air were used as working fluids in counterflow Ranque–Hilsch vortex tube (RHVT) and performance...

... local heating using magnetic nanoparticle hyperthermia changes nanoparticle concentration distribution in prostatic cancer (PC3) tumors. In vivo animal experiments were performed on grafted PC3 tumors implanted in mice to investigate whether local heating via exposing the tumor to an alternating...

...S. S. Feng; T. J. Lu; T. Kim The transient thermal response of a sandwich panel with pin-fin core subjected to nonuniform impinging jet heating was investigated theoretically and experimentally. Forced convection flow passing through the sandwich channel was employed to remove heat imposed...

...Kaushik Saha; Swetaprovo Chaudhuri; Baki M. Cetegen A comprehensive model based on finite volume method was developed to analyze the heat-up and the melting of ceramic particles injected into a microwave excited laminar air plasma flow field. Plasma flow field was simulated as a hot gas flow...

...Anilchandra Attaluri; Ronghui Ma; Liang Zhu Magnetic nanoparticles have been used in clinical and animal studies to generate localized heating for tumor treatments when the particles are subject to an external alternating magnetic field. Currently, since most tissue is opaque, the detailed...

...Volkan Kırmacı; Onuralp Uluer; Kevser Dincer An experimental investigation has been carried out to determine the thermal behavior of cooling fluid as it passes through a vortex tube and the effects of the orifice nozzle number and the inlet pressure on the heating and cooling performance...

...Arman Sadeghi; Mohammad Hassan Saidi Fluid flow in microchannels has some characteristics, which one of them is rarefaction effect related with gas flow. In the present work, hydrodynamically and thermally fully developed laminar forced convection heat transfer of a rarefied gas flow in two...

...K. Ramadan; W. R. Tyfour; M. A. Al-Nimr Transient heat conduction in a thin metal film exposed to short-pulse laser heating is studied using the dual phase lag heat conduction model. The initial heat flux distribution in the film, resulting from the temporal distribution function of the laser pulse...

... and the cold mass fractions of 0.5–0.7 with 0.02 increments. The energy separation has been investigated by use of the experimentally obtained data. The results of the experimental study have shown that the inlet pressure was the most effective parameter on heating and the cooling performance of the vortex...

...Salil Mohan; Mikhaylo A. Trunov; Edward L. Dreizin This paper considers the heating and ignition of small metallic particles in hot gases for a range of Knudsen numbers, for which the continuum description of heat transfer is not valid. Modified Fuchs’ model for the transition heat transfer...

...T. L. Bergman The thermal response of a one-dimensional plane wall to sequential heating and cooling is considered. Of interest is the thermal response at the midplane of the wall in terms of the extreme temperatures that evolve after heating subsides. Correlations are generated to estimate...

...Jianhua Zhou; Yuwen Zhang; J. K. Chen; D. E. Smith A nonequilibrium thermal model is developed to predict the through-thickness transient temperature variation in organic composites subjected to intensive heating. In addition to heat conduction, the model incorporates four important mechanisms...

... are considered with uniform and nonuniform heating of bottom wall. The numerical solution of the problem is illustrated for Rayleigh numbers (Ra), 10 3 ⩽ Ra ⩽ 10 5 and Prandtl numbers (Pr), 0.026 ⩽ Pr ⩽ 1000. In general, the intensity of circulation is found to be larger for nonuniform heating at a specific Pr...

... heated patch was located at the offset location from the center between both ends of the microchannel, at a distance of 8.5 mm from one end and at a distance of 17 mm from the other end. The microchannel and the two open tanks were filled with distilled water. The heating patch was heated periodically...

... are approximated by quadratic functions or fourth power polynomials of the radiation temperature, with the coefficients calculated in the whole range 2 – 200 μ m . This difference in the approximations of a and b , however, is shown to have little effect on modeling of fuel droplet heating and evaporation...

...Van P. Carey; Jorge Padilla; Yu Gan Rapid heating of a liquid at the wall of a micropassage may produce homogeneous nucleation of vapor in the liquid in contact with the surface. In such circumstances, nucleation is generally expected to be most likely to occur in the hottest liquid closest...

...Shankar Krishnan; Jayathi Y. Murthy; Suresh V. Garimella Solid/liquid phase change occurring in a rectangular container with and without metal foams subjected to periodic pulsed heating is investigated. Natural convection in the melt is considered. Volume-averaged mass and momentum equations...

...Achintya Mukhopadhyay; Dipankar Sanyal An algorithm for solution of a model for heating and evaporation of a fuel droplet has been developed. The objective of the work is to develop a computationally economic solution module for simulating droplet evaporation that can be incorporated in spray...

...Lan Tang; Yogendra K. Joshi A multi-grid embedded multi-scale approach is presented for conjugate heat transfer analysis of systems with a wide range of length scales of interest. The multi-scale analysis involves a sequential two-step “zoom-in” approach to resolve both the large length scales...

...Ephraim M. Sparrow; John P. Abraham; Paul W. Chevalier The method of Design of Simulation (DOS) was used to guide and enhance a numerical simulation of fluid flow and heat transfer through offset-fin arrays which form the interior geometry of a cold plate. The basic problem involved 11 independent...