...Hani Tiznobaik; Zahra Pournorouz; Joohyun Seo; Amirhossein Mostafavi; Donghyun Shin In this study, the specific heat of molten salt nano-eutectic (Li 2 CO 3 -K 2 CO 3 doped with SiO 2 nanoparticles) was theoretically and computationally investigated. The effective specific heat of a nano-eutectic...

.... Editor: Patrick E. Phelan. 26 09 2010 20 09 2011 Anomalous enhancements in the specific heat capacity values of nanomaterials were measured in this study. Silica nanoparticles (∼2–20 nm) were dispersed into eutectic of lithium carbonate and potassium carbonate (62:38 by molar ratio...

...-Heating Technique ,” Rev. Sci. Instrum. , 76 , p. 043904 . 10.1063/1.1884045 [7] Matsumoto , T. , and Ono , A. , 2001 , “ Hemispherical Total Emissivity and Specific Heat Capacity Measurements by Electrical Pulse-Heating Method With a Brief Steady State ,” Meas. Sci. Technol. , 12...

...P. Chantrenne; C. Ould-Lahoucine The kinetic theory of gas is used to predict the specific heat and thermal conductivity of ZnO nanostructures. In this model, phonons are considered as a gas whose basic properties are given by phonon dispersion curves. The model also requires knowledge...

.... For the spherical shell under consideration, it is assumed that material properties such as thermal conductivity, density, and specific heat capacity may vary in radial, polar, and azimuthal directions of the spherical shell; the governing heat conduction equation of the shell is a second-order partial differential...

... ), pp. 1449 – 1471 . 10.1002/app.1970.070140604 c p = specific heat, Eq. 1a d ( x ) = linear dissipation operator coefficient, Eq. 3a h eff ( x ) = effective heat transfer coefficient, Eq. 1a k ( x ) = space variable thermal conductivity, Eq. 1a L x...

... that the material properties such as thermal conductivity, density, and specific heat capacity vary in the width direction, and the governing heat conduction equation of the plate is a second-order partial differential equation. Using Lyapunov’s theorem, it is shown that by applying controlled heat flux through...

...Donghyun Shin; Debjyoti Banerjee Silica nanoparticles (1% by weight) were dispersed in a eutectic of lithium carbonate and potassium carbonate (62:38 ratio) to obtain high temperature nanofluids. A differential scanning calorimeter instrument was used to measure the specific heat of the neat molten...

... is the temperature (K), and T 0 is the environmental temperature surrounding the sample (K). ρ 1 and c p 1 are the density and specific heat of the strip, respectively. h is the convective heat transfer coefficient out of the external surfaces of the sample...

... enhancement boundary layers carbon compounds chemical analysis computational fluid dynamics density drag forced convection gas mixtures helium laminar flow momentum nitrogen organic compounds oxygen specific heat sulphur compounds thermal conductivity viscosity xenon 13 12...

... bands electron-phonon interactions Fermi level laser beam effects specific heat transition metals 08 01 2009 28 05 2009 04 11 2009 04 11 2009 2010 American Society of Mechanical Engineers ...

... and reduced the heat capacity measurement errors. Heat capacities of copper thin films with thicknesses from 20 nm to 340 nm are measured in the temperature range from 300 K to 420 K in vacuum of 1 mPa. The specific heat of the 340 nm Cu film is close to the literature data of bulk Cu. For the thinner films...

... time electron-phonon interactions finite element analysis Galerkin method gold laser beam effects melting metallic thin films Runge-Kutta methods specific heat The physics of short-pulse laser heating of metallic films is very complex and has been the subject of many investigations ( 1...

...Ravikanth S. Vajjha; Debendra K. Das This paper presents the specific heat measurements of three nanofluids containing aluminum oxide, zinc oxide, and silicon dioxide nanoparticles. The first two are dispersed in a base fluid of 60:40 by mass of ethylene glycol and water (60:40 EG/W) and the last...

... because FC43 is characterized by low specific heat. Moreover, the velocities of the tallest miniloop are the lowest, probably because the enhancement of shear stresses overcomes the increase in buoyancy forces. For both fluids, the velocity grows almost linearly with power. Experimental data show a good...

... specific heat thermal conductivity titanium alloys thermal conductivity thin film 3ω method shape memory effect thermal characterization microfabrication heat capacity Freestanding thin films are used in a variety of microelectromechanical systems (MEMS)–based applications...

... viscosity, thermal conductivity, constant-pressure specific heat, density, and molecular mean free path are proposed in power-law form and validated through experimental data. Natural convective gas flow with variable physical properties in a long open-ended vertical parallel-plate microchannel...

...G. Venugopal; M. Deiveegan; C. Balaji; S. P. Venkateshan Transient cooling experiments of a heated vertical aluminum plate with an embedded heater, in quiescent air, were conducted for the simultaneous estimation of total hemispherical emissivity and specific heat of the plate material. During...

... determined. This solution considers the effect of the heat capacitance ratio C as well as the dimensionless radial coordinate and time. This solution has been compared with solutions for three limiting cases. a radius of the sphere c specific heat C heat...

... specific heat C r capacity ratio C r = C min C max F LMTD correction factor Fa fin analogy number h heat transfer coefficient k thermal conductivity L length LMTD log-mean temperature difference...