...Harpreet Kaur Aasi; Manish Mishra Cross-flow three-fluid plate-fin heat exchanger is analyzed under both steady-state and transient conditions with a nonuniform inlet temperature of all the three fluids. The influence of the longitudinal heat conduction and axial dispersion in the separating sheets...

...Robert L. McMasters; Filippo de Monte; James V. Beck A generalized solution for a two-dimensional (2D) transient heat conduction problem with a partial-heating boundary condition in rectangular coordinates is developed. The solution accommodates three kinds of boundary conditions: prescribed...

... February 12, 2014. Assoc. Editor: D. K. Tafti. 03 06 2013 20 11 2013 A new all-time model is developed to predict transient laminar forced convection heat transfer inside a circular tube under arbitrary time-dependent heat flux. Slug flow (SF) condition is assumed for the velocity...

...: that differs from the arrangement of Eq. (2) . In the introduction to the “natural” analytic approach [ 4 ], de Monte recommends that the thermal diffusivity be kept with the temporal component because the nondimensional parameter δ is physically descriptive of transient behavior: It characterizes the ratio...

...Ya-Song Sun; Jing Ma; Ben-Wen Li A Chebyshev collocation spectral method (CSM) is presented to solve transient coupled radiative and conductive heat transfer in three-dimensional absorbing, emitting, and scattering medium in Cartesian coordinates. The walls of the enclosures are considered...

...N. Ahmed An exact solution to the problem of MHD transient free convection and mass transfer flow of a viscous, incompressible, and electrically conducting fluid past a suddenly started infinite vertical plate taking into account the thermal diffusion as well as the thermal radiation is presented...

...Sang M. Kwark; Ratan Kumar; Gilberto Moreno; Seung M. You This study shows the transient characteristics of the pool boiling curves using nanofluid as the boiling fluid. This time-dependency is in sharp contrast to a unique steady-state pool boiling curve that is typically obtained for a pure fluid...

...Hongwei Li; M. Razi Nalim; Charles L. Merkle A numerical method is developed with the capability to predict transient thermal boundary layer response under various flow and thermal conditions. The transient thermal boundary layer variation due to a moving compressible turbulent fluid of varying...

... distributions in the bed and at the air outlet are sampled over a short time period. The convective heat transfer coefficient is determined using data from the convective heat transfer process in the bed where the analysis includes the partial differential equation that describes the transient energy storage...

...Jian-Feng Luo; Hong-Liang Yi; Sheng-Li Chang; He-Ping Tan Using the ray tracing-node analyzing method, the 2D transient coupled radiative and conductive heat transfer in a rectangular semitransparent medium is investigated. The rectangular medium has one semitransparent and diffuse boundary...

...Manish Mishra; P. K. Das; Sunil Sarangi Transient temperature response of crossflow heat exchangers with both fluids unmixed and finite wall capacitance is investigated numerically for sinusoidal excitation provided in hot fluid inlet temperature. The effect of two-dimensional longitudinal...

...A. G. Ostrogorsky Based on the one-term Fourier series solution, a simple equation is derived for low Biot number transient conduction in plates, cylinders, and spheres. In the 0 < Bi < 0.3 range, the solution gives approximately three times less error than the lumped capacity solution...

... 2008 boiling convection heat conduction jets inverse heat conduction integral transforms transient impinging jets boiling convection The direct heat conduction problems are concerned with the determination of temperature at interior points of a region when the initial...

.... Finally, the temperature profile is assumed to be a transient function of the radial coordinate. That is, the temperature profile is assumed to be independent of the tangential and azimuthal coordinates. If the sphere is in good thermal contact with the surrounding material, then the (spatially...

... to the preceding model, fully transient heat and fluid flow is computed with a free surface of the rising bubble and a periodic calculation of repeated cycles of bubble growth, detachment, and rise, requiring only specification of the waiting time between successive bubbles. Additionally, microscopic effects...

...C. J. Kobus The objective of this research is to investigate large-scale transient flow surges of the condensate leaving in-tube condensing flow systems because of perturbations in the inlet vapor flow rate, and the influence of the subcooled liquid inertia of the condensate on these transient...

...Manish Mishra; P. K. Das; Sunil Sarangi Transient temperature response of the crossflow heat exchangers with finite wall capacitance and both fluids unmixed is investigated numerically for step, ramp and exponential perturbations provided in hot fluid inlet temperature. Effect of two-dimensional...

...Unnikrishnan Vadakkan; Suresh V. Garimella; Jayathi Y. Murthy A three-dimensional model has been developed to analyze the transient and steady-state performance of flat heat pipes subjected to heating with multiple discrete heat sources. Three-dimensional flow and energy equations are solved...

... is transient, as opposed to the usual quasi-steady process that exists when the plate is infinite. To investigate the transient heat transfer, solutions describing the temperature fields of the wet and dry portions of the plate are conjugated at the moving film front. The basic characteristics of transient...

... of radiative transport across the media is needed the RMC may not be appropriate. RMC algorithm is most suitable for diagnostic applications where inverse analysis is required, e.g., optical imaging and remote sensing. In this study, the development of a reverse Monte Carlo method for transient radiative...