نتایج جستجو برای: temperature dependent thermal conductivity and internal heat generation

تعداد نتایج: 17151482  

2009
K. Zacny P. T. Taylor M. B. Milam E. Mumm M. Maksymuk P. Fink

Introduction: Knowledge of the Moon's thermal structure is fundamental in understanding its origin and internal compositional variation, both of which are intertwined with the origin of the Earth and the rest of the solar system (NASA Strategic Goal 3C). The flow of heat that originates from the lunar interior can be measured, and serves as a constraint to the thermal structure. That is why hea...

2012
Joaquín Zueco Guillermo Monreal Luis Ma López-Ochoa

In this paper a variant of the Sequential Function Specification Method has been used together with Network Simulation Method as the numerical method to solve an inverse problem associated with the determination of the heat capacity. It has been developed a software application for estimation the temperature dependence of heat capacity using the Qt platform and programming language Visual C++. ...

2017
Dianta Ginting Chan-Chieh Lin Lydia Rathnam Junpil Hwang Woochul Kim Rabih Al rahal Al Orabi Jong-Soo Rhyee

The data presented in this article are related to the research article entitled "High thermoelectric performance in pseudo quaternary compounds of (PbTe)0.95-x (PbSe)x(PbS)0.05 by simultaneous band convergence and nano precipitation" (Ginting et al., 2017) [1]. We measured electrical and thermal transport properties such as temperature-dependent Hall carrier density nH , Hall mobility μH , ther...

Journal: :Physical review. E, Statistical, nonlinear, and soft matter physics 2014
Ho-Kei Chan Dahai He Bambi Hu

Negative differential thermal resistance (NDTR) can be generated for any one-dimensional heat flow with a temperature-dependent thermal conductivity. In a system-independent scaling analysis, the general condition for the occurrence of NDTR is found to be an inequality with three scaling exponents: n(1)n(2) < -(1+n(3)), where n(1) ∈ (-∞,+∞) describes a particular way of varying the temperature ...

2017
M. K. Nayak

In this paper, the wire coating analysis in MHD flow and heat transfer of a third grade fluid with variable viscosity in a porous medium with internal heat generation/absorption and Joule heating has been investigated. In the present study wire coating is carried out using melt polymer satisfying third grade fluid model. In the present discussion (i) Reynolds Model (ii) Vogel’s Model are consid...

Journal: :Journal of physics. Condensed matter : an Institute of Physics journal 2009
J Philip M V Manjusha

The thermal transport properties-thermal diffusivity, thermal conductivity and specific heat capacity-of potassium selenate crystal have been measured through the successive phase transitions, following the photo-pyroelectric thermal wave technique. The variation of thermal conductivity with temperature through the incommensurate (IC) phase of this crystal is measured. The enhancement in therma...

A. Aghaei G.A. Sheikhzadeh H.R. Ehteram M. Hajiahmadi

Natural convection heat transfer has many applications in different fields of industry; such as cooling industries, electronic transformer devices and ventilation equipment; due to simple process, economic advantage, low noise and renewed retrieval. Recently, heat transfer of nanofluids have been considered because of higher thermal conductivity coefficient compared with those of ordinary fluid...

2014
V. Vishwakarma A. Jain

The separator is a critical, multi-functional component of a Li-ion cell that plays a key role in performance and safety during energy conversion and storage processes. Heat flow through the separator is important for minimizing cell temperature and avoiding thermal runaway. Despite the critical nature of thermal conduction through the separator, very little research has been reported on unders...

ژورنال: فیزیک زمین و فضا 2020

Thermal conductivity measurements have been used for the Way Ratai geothermal prospect area. The thermal conductivity method is used to evaluate the ability of a rock to deliver heat by conduction. In the area, many surface manifestations are scattered in various regions, where hot springs dominate these various manifestations. The thermal conductivity mapping of rocks is carried out around geo...

2013
Hadi Samimi Jalal Khodaei

Kurdistan Rasa grape is beautiful, delicious and black in color. It has some vitamins such as E, C and some protectors such as antioxidant. In order to design equipments and facilities for the drying, preservation and processing of Rasa grape, it is necessary to know about the specific heat and thermal conductivity. Therefore, the objectives of this study were to determine the specific heat and...

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