نتایج جستجو برای: thermal requirement

تعداد نتایج: 382216  

2000
Nitin P. Padture Maurice Gell Xuezheng Wei Brandon Berke

Executive Summary 3 Thermal barrier coating (TBC) ceramic topcoats made from Y 2 O 3-stabilized ZrO 2 (YSZ) have been used successfully in gas-turbine engine applications for more than 30 years. YSZ derives its favorable performance from a combination of properties that include low thermal conductivity, high thermal expansion coefficient, and phase stability to relatively high temperatures. Wit...

2017
Xiaogang Wu Siyu Lv Jizhong Chen

This study investigated the heat problems that occur during the operation of power batteries, especially thermal runaway, which usually take place in high temperature environments. The study was conducted on a ternary polymer lithium-ion battery. In addition, a lumped parameter thermal model was established to analyze the thermal behavior of the electric bus battery system under the operation c...

2011
Francesco Zanini David Atienza Giovanni De Micheli

In this work, we propose a novel online thermal management approach based on model predictive control for 3D multi-processors system on chip (MPSoCs) using microfluidic cooling. The controller uses dynamic voltage and frequency scaling (DVFS) for the computational cores and adjusts the liquid flow rate to meet the desired performance requirements and to minimize the overall MPSoC energy consump...

Journal: :iranian journal of applied animal science 2015
i. hajkhodadadi h. moravej m. shivazad h. ghasemi a. zareh-shahneh

the present research was conducted to estimate the dietary lysine (lys) requirement of growing female quail base on performance and carcass constitutes at 24 to 42 d of age. a dose-response diet mainly based on corn, corn gluten and soybean meal was used. lys content was minimized in dose-response diet (10 g/kg) while assuring the minimum levels of all other essential amino acids in a manner th...

2016
Sahar Zahiri Hasim Altan

This paper describes a series of field studies and simulation analysis to improve the thermal performance of school buildings in the city of Tehran in Iran during warm season. The field studies used on-site measurement and questionnaire-based survey in the warm spring season in a typical female secondary school building. The on-site monitoring assessed the indoor air temperatures and relative h...

2013
Lumír Gvoždík Eva Černická Raoul Van Damme

Thermal quality and predation risk are considered important factors influencing habitat patch use in ectothermic prey. However, how the predator's food requirement and the prey's necessity to avoid predation interact with their respective thermoregulatory strategies remains poorly understood. The recently developed 'thermal game model' predicts that in the face of imminent predation, prey shoul...

Journal: :The journal of physical chemistry. B 2006
Alberto Moscatelli Thomas K Chen Steffen Jockusch Malcolm D E Forbes Nicholas J Turro M Francesca Ottaviani

The broadening of the three hyperfine EPR nitroxide lines in oxygen supersaturated solutions was examined. The solutions were supersaturated with oxygen either by thermal decomposition of 1,4-peroxy-1,4-dimethylnaphthalene or by pressurizing molecular oxygen above the sample solution. The linear relationship between the Lorentzian component of the line width and the O(2) concentration was prove...

2014
Brett M. Lloyd

For the past several years, cryogenically cooled sensors have become an increasingly popular method of observation and study for both space-based and ground-based operations. Accordingly, various cooling techniques have been developed to accommodate this group of sensors. Because of rising performance standards and escalating cost limitations, cryocoolers have become an impressive cooling techn...

Journal: :Chemical communications 2011
Alisha M Bohnsack Ilich A Ibarra Peter W Hatfield Ji Woong Yoon Young Kyu Hwang Jong-San Chang Simon M Humphrey

The new porous phosphine coordination material, PCM-11, is an unusual 8,4-connected coordination polymer with an open 3-D pore structure, formed by reaction of Mg(II) with tris(para-carboxylato)triphenylphosphine oxide. The highly ionic nature of the metal-ligand bonding results in excellent thermal stability upon desolvation (>460 °C). PCM-11 is easily activated for small molecule sorption at ...

2011
Lingling Shui Wouter Sparreboom Johan G. Bomer Mingliang Jin Edwin T. Carlen Albert van den Berg

We report a low-pressure microfluidic deoxyribonucleic acid (DNA) fragmentation device based on a combination of mechanical hydrodynamic shearing and low temperature sample heating. Conventional DNA fragmentation based on hydrodynamic shearing is capable of achieving fragment lengths (FL) < 10k bp with pressures ∆P > 1 bar. The application of a small amount of additional thermal energy to the b...

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