Sfoglia per Soggetto "Thermodynamics"
Items 1-20 di 56
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Alloy Design Based on Computational Thermodynamics and Multi-objective Optimization: The Case of Medium-Mn Steels
(2017)A new alloy design methodology is presented for the identification of alloy compositions, which exhibit process windows (PWs) satisfying specific design objectives and optimized for overall performance. The methodology is ... -
Analysis of multiplicity phenomena in longitudinal fins under multi-boiling conditions
(2004)A numerical bifurcation analysis is carried out in order to determine the solution structure of longitudinal fins subject to multi-boiling heat transfer mode. The thermal analysis can no longer be performed independently ... -
Analytical and numerical study of MHD natural convection in a horizontal shallow cavity with heat generation
(2014)A study is presented of two-dimensional MHD natural convection flow in an internally heated horizontal shallow cavity in the presence of an external uniform vertical magnetic field. The main feature of the present flow is ... -
Aqueous Solubility Enhancement for Bioassays of Insoluble Inhibitors and QSPR Analysis: A TNF-α Study
(2018)The aim of this study is to improve the aqueous solubility of a group of compounds without interfering with their bioassay as well as to create a relevant prediction model. A series of 55 potential small-molecule inhibitors ... -
Biosolids application affects the competitive sorption and lability of cadmium, copper, nickel, lead, and zinc in fluvial and calcareous soils
(2017)The objective of this research was to investigate the effects of biosolids on the competitive sorption and lability of the sorbed Cd, Cu, Ni, Pb, and Zn in fluvial and calcareous soils. Competitive sorption isotherms were ... -
Buoyancy-assisted mixed convection in a vertical channel with spatially periodic wall temperature
(2013)The influence of a spatially periodic temperature boundary condition on the laminar mixed convection in an upward flow between two vertical parallel plates is numerically studied. A detailed assessment is presented of the ... -
Calcium carbonate scaling in a plate heat exchanger in the presence of particles
(2003)Scale formation of CaCO3 in a plate heat exchanger is investigated in the presence of various types of added particles under isothermal conditions. The parameters examined include the degree of supersaturation, the type ... -
Conductive heat transfer in a rarefied polyatomic gas confined between coaxial cylinders
(2014)The conductive heat transfer through rarefied gases composed by rigid rotators and confined between coaxially placed cylinders maintained at different temperatures is investigated on the basis of the Holway and Rykov kinetic ... -
Coupled thermodynamic/kinetic analysis of diffusional transformations during laser hardening and laser welding
(2001)Several important industrial material processes, such as welding and surface treatments with high energy beams, incorporate rapid thermal cycles characterized by high heating/cooling rates and short dwell times. Computational ... -
Direct numerical simulation of a heat removal configuration for fusion blankets
(2007)A series of direct numerical simulations (DNS) are performed to study the natural convection heat transfer between concentric cylinders at several Rayleigh and Hartmann numbers. The buoyant flow is driven by the temperature ... -
Effect of magnetic field on near-wall coherent structures and heat transfer in magnetohydrodynamic turbulent channel flow of low Prandtl number fluids
(2011)A numerical study is carried out of the magnetic field effects on the coherent structures and the associated heat transfer in a turbulent channel flow with constant temperature at the bottom (cold) and top (hot) walls. ... -
Effect of wall roughness on shear viscosity and diffusion in nanochannels
(2010)The effect of wall roughness on liquid argon shear viscosity and diffusion coefficient in nanochannels is studied by non-equilibrium molecular dynamics. Diffusion coefficient results are presented in terms of average values ... -
Effects of a 70% biodiesel blend on the fuel injection system operation during steady-state and transient performance of a common rail diesel engine
(2012)The results of steady state and transient engine bench tests of a 2.01 common-rail passenger car diesel engine fuelled by B70 biodiesel blend are compared with the corresponding results of baseline tests with standard EN ... -
Exergetic potential of fuels: The case of a SOFC-based power plant
(2004)The method of exergy analysis is presented for a SOFC power plant involving external steam reforming and fed by methane and ethanol. The optimal operation parameters of the integrated SOFC plant are specified after minimizing ... -
Experimental Investigation of the Energy Needs for a Conventionally and an Infrared-Heated Greenhouse
(2012)Infrared (IR) heating as alternative to forced air heating has been studied experimentally for 70 days in two identical, small-scale, experimental greenhouses. The two heating options were implemented with four IR electric ... -
Film cooling predictions of simple and compound angle injection from one and two staggered rows
(2001)Typical film-cooling configurations of flat plates from one and two staggered rows of simple and compound angle injection holes are investigated using a three-dimensional finite volume method and a multiblock technique, ... -
Full and part load exergetic analysis of a hybrid micro gas turbine fuel cell system based on existing components
(2012)The paper deals with the examination of a hybrid system consisting of a pre-commercially available high temperature solid oxide fuel cell and an existing recuperated microturbine. The irreversibilities and thermodynamic ... -
How wall properties control diffusion in grooved nanochannels: a molecular dynamics study
(2013)The effect of a geometrically-rough wall, amplified by its degree of wettability and stiffness on diffusion coefficient in cases of fluid flow in nanochannels is studied by non-equilibrium molecular dynamics. Diffusion ... -
Human thermophysiological models: Quantification of uncertainty in the output quantities of the passive system due to uncertainties in the control equations of the active system via the Monte Carlo method
(2021)Uncertainty propagation analysis in the Fiala thermophysiological model is performed by the Monte Carlo Method. The uncertainties of the output quantities of the passive system, due to imported uncertainties in the ... -
Hydrogen production via aqueous - Phase glucose reforming: A thermodynamic approach
(2009)In the present work the thermodynamic analysis of aqueous - phase glucose reforming reaction has been studied. For the investigation purposes the temperature range of 0 - 100°C and atmospheric total pressure have been ...