... with the analytically calculated values of the same quantity. This last assumes the meaning of “static effective thermal conductivity.” The comparison of the dynamic and static property values is so related to the inhomogeneity of the samples, and a deviation of the temperature versus time trend from the analytical...

...M. Potenza; P. Coppa; L. Cerroni; G. Bovesecchi Different thermal mechanisms influence the tooth temperature during the reconstruction practice of tooth restoration: conduction in the hard tissues and their thermal capacitance, heat generation by composite curing, irradiation of the surface from...

...Ky-Quang Pham; Quang-Hai Nguyen; Tai-Duy Vu; Cong-Truong Dinh Gas turbine engine has been widely applied to many heavy industries, such as marine propulsion and aerospace fields. Increasing turbine inlet temperature is one of the major ways to improve the thermal efficiency of gas turbines...

...Hamdy Hassan; Souad Harmand An optimization of vapor chamber (VC) region's width and its wick porosity to achieve the minimum temperature rise of the vapor chamber is studied in this paper. The optimization process is carried out by particle swarm optimization (PSO) method. The study is performed...

...Tairan Fu; Yehan Xiong; Jiangfan Liu; Congling Shi A method to simultaneously measure two-dimensional temperature and emissivity distributions on high-temperature diffuse surfaces is developed using an auxiliary light source. The high-temperature diffuse surface is irradiated from the hemispherical...

... and analyze the temperature distribution in the tungsten target and the steel container under normal operation using fluent . By using the same model, the thermal hydraulic characteristics are analyzed under three different abnormal conditions including power failure, off-center of proton beam, and cooling...

...Dong Liu; Yuan-Yuan Duan; Zhen Yang; Hai-Tong Yu References [1] Bryers , R. W. , 1996 , “ Fireside Slagging, Fouling, and High-Temperature Corrosion of Heat-Transfer Surface Due to Impurities in Steam-Raising Fuels ,” Prog. Energy Combust. Sci. , 22 ( 1 ), pp. 29 – 120 . 10.1016/0360...

... , Y. , and Cao , W. Z. , 2008 , “ Steady-State Calorimetric Method for Measuring the Temperature Dependence of Total Hemispherical Emittance ,” Chin. J. Low Temp. Phys. , 30 , pp. 266 – 269 . [3] Fukuzawa , K. , Ohnishi , A. , and Nagasaka , Y. , 2002 , “ Total...

..., contact temperature, design, and mechanical stress of sphere/plane contact samples. These contact samples were made with recent high-copper alloys and were subjected to indentation loading. Experimental tests were carried out in order to validate the developed numerical model and to select the material...

...W. A. Khan; Rama Subba Reddy Gorla Second law characteristics of heat transfer and fluid flow due to free convection of non-Newtonian fluids over a horizontal plate with prescribed surface temperature in a porous medium are analyzed. Velocity and temperature fields are obtained numerically using...

... information of the nanoparticle spreading in the tissue after injections cannot be visualized directly and is often quantified by indirect methods, such as temperature measurements, to inversely determine the particle distribution. In this study, we use a high resolution microcomputed tomography (microCT...

...Tairan Fu; Zhe Wang; Xiaofang Cheng Optical diagnostics techniques to measure diesel combustion flame temperatures are useful for evaluation and control of combustion processes. In this paper, diesel combustion flame temperatures are measured based on a multicolor pyrometry method respectively...

... temperature and flow rate as well as the reference temperatures are investigated, and the resulting solidification and melting times, energy efficiencies, and exergy efficiencies are documented. Using ANSYS GAMBIT and FLUENT 6.0 softwares, all geometries are created, and the appropriate boundary and initial...

...Xia Wang; Luciano Castillo; Guillermo Araya Based on the theory of similarity analysis and the analogy between momentum and energy transport equations, the temperature scalings have been derived for forced convection turbulent boundary layers. These scalings are shown to be able to remove...

...Christoph C. Richter; John H. Lienhard, V In testing packaged high-power integrated circuits, active thermal control is useful in providing die-level temperature stability. A time-varying heat load is applied to the surface of the package to compensate for the time-varying test power...

...G. Hetsroni; I. Tiselj and; R. Bergant; A. Mosyak and; E. Pogrebnyak A numerical investigation of the temperature field in a turbulent flume is presented. We consider the effect of the Prandtl number on the convection velocity of temperature fluctuations in a turbulent boundary layer, and focus...

... is characterized by a decrease in reflectivity and a shift in the temperature associated with the peak reflected intensity for each of the R, G, and B components during cooling. This causes a shift in the hue-temperature calibration of the TLC causing temperature biases, when cooled rather than heated, of 20–60...

... kW/m 2 ) and temperatures (330–430°C), the flow in the 6.2 mm ID tube was fully turbulent. The fluid was distilled water and up to 9 wt % oxygen. The water/oxygen mixture and the above experimental conditions are relevant to supercritical water oxidation systems (SCWO). At subcritical temperatures...

...Khalid Masood; F. D. Zaman We investigate the inverse problem in the heat equation involving the recovery of the initial temperature from measurements of the final temperature. This problem is extremely ill-posed and it is believed that only information in the first few modes can be recovered...

...V. M. Salazar; J. E. Gonza´lez; L. A. Rivera This work presents the use of laser induced fluorescence for instantaneous temperature measurements of 200 μm water droplets in a monodisperse stream while traveling downward in a standard stagnant atmosphere. The droplets are doped with small...