搜索结果: 1-15 共查到“知识库 热物性学”相关记录36条 . 查询时间(4.379 秒)
饱和多孔热弹性体自由表面p波的反射
热弹性波 饱和多孔介质 反射
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2016/7/14
利用建立的饱和多孔介质中热弹性波的弥散方程，研究了平面p波在自由界面上的反射问题，获得反射系数的表达式。通过算例分析了饱和多孔弹性介质的热膨胀系数对p1波传播速度的影响，进而考虑界面透水与不透水两种工况，讨论了不同频率、入射角和表面排水条件对各反射波幅值的影响特性。结果表明：热物性参数对波的传播有一定的影响，频率、入射角和表面排水条件对两类压缩波、剪切波和热波的反射幅值的影响较大。
热重质谱联用研究废旧汽车高聚物热解特性
废旧汽车高聚物 热重-质谱 热解 甲烷
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2011/7/27
采用热重-质谱(TG-MS)联用技术研究了N2气氛下废旧汽车塑料和橡胶高聚物混合物料热解气体的种类和产生机理.结果表明,废旧汽车高聚物热解过程在240~350 ℃和420~500 ℃有两个明显失重阶段,分别有20.9%和28.3%的挥发分析出.650~730 ℃范围失重峰是由无机填料热分解造成的,产生的挥发性气体产物为CO2.热解过程中所产生的H2、CH4、H2O和CO2等气体的大量释放阶段均在2...
热重质谱联用研究废旧汽车高聚物热解特性
废旧汽车高聚物 热重-质谱 热解 甲烷
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2011/7/27
采用热重-质谱(TG-MS)联用技术研究了N2气氛下废旧汽车塑料和橡胶高聚物混合物料热解气体的种类和产生机理.结果表明,废旧汽车高聚物热解过程在240~350 ℃和420~500 ℃有两个明显失重阶段,分别有20.9%和28.3%的挥发分析出.650~730 ℃范围失重峰是由无机填料热分解造成的,产生的挥发性气体产物为CO2.热解过程中所产生的H2、CH4、H2O和CO2等气体的大量释放阶段均在2...
A thermal field theory derivation of the source term induced by a fast parton from the quark energy-momentum tensor
thermal field theory derivation term induced quark energy-momentum tensor
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2011/1/5
I derive the distribution of energy and momentum transmitted from a fast parton to a medium of
thermalized quarks, or the source term, in perturbative thermal field theory directly from the quark ene...
Thermal momentum distribution from path integrals with shifted boundary conditions
Thermal momentum distribution path integrals shifted boundary conditions
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2011/1/14
For a thermal field theory formulated in the grand canonical ensemble, the distribution of the
total momentum is an observable characterizing the thermal state. We show that its cumulants
are relate...
High temperature thermoelectric response of double-doped SrTiO$_3$ epitaxial films
High temperature thermoelectric response double-doped SrTiO$_3$ epitaxial films
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2010/11/19
SrTiO3 is a promising n-type oxide semiconductor for thermoelectric energy conversion. Epitaxial thin lms of SrTiO3 doped with both La and oxygen vacancies have been synthesized by pulsed laser depos...
Heavy-flavour production in hot quark matter
de-confinement Quark-Gluon Plasma heavy-flavour production heavy-ion physics
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2011/1/5
Recent results from the RHIC facility and first measurements from the ALICE experiment at the CERN-Large Hadron Collider (LHC) on open heavy-flavour are presented. We focus on RHIC measurements of sin...
Hawking temperature for a global monopole metric in the context of k- essence and emergent gravity
global monopole metric context of k- essence emergent gravity
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2010/12/20
The Hawking temperature for the Barriola-Vilenkin global monopole metric is shown to be TBV =
~(1− )2 8GMkB, where is the global monopole charge,M the mass of the black hole, kB is the Boltz...
Physics Potential of the CMS CASTOR Forward Calorimeter
Physics Potential CMS CASTOR Forward Calorimeter
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2011/1/5
The CASTOR calorimeter is a detector covering the very forward region of the CMS ex-periment at the LHC. It surrounds the beam pipe with 14 longitudinal modules each of which consisting of 16 azimutha...
Thermal momentum distribution from path integrals with shifted boundary conditions
Thermal momentum distribution path integrals shifted boundary conditions
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2011/1/7
For a thermal field theory formulated in the grand canonical ensemble, the distribution of the
total momentum is an observable characterizing the thermal state. We show that its cumulants
are relate...
Intermediate distance correlators in hot Yang-Mills theory
Intermediate distance correlators hot Yang-Mills theory
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2011/1/14
Lattice measurements of spatial correlation functions of the operators FF and F ˜ F in thermal
SU(3) gauge theory have revealed a clear difference between the two channels at“intermediate”distan...
FFT-LB modeling of thermal liquid-vapor systems
FFT-LB modeling thermal liquid-vapor systems
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2010/11/23
We further develop a thermal LB model for multiphase flows. In the improved model, we propose to use the FFT scheme to calculate both the convection term and external force term. The usage of FFT sche...
Mobility and Diffusion of a Tagged Particle in a Driven Colloidal Suspension
Mobility Diffusion Driven Colloidal Suspension
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2010/11/23
We study numerically the in uence of density and strain rate on the di usion and mobility of a single tagged particle in a sheared colloidal suspension. We determine independently the time-dependent v...
Measuring the thermalization time
thermalization time
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2011/1/7
A new method of measuring the pressure anisotropy in the early stage of heavy-ion col-lisions is discussed. It is shown that the transverse momentum spectra, elliptic flow and interferometry radii are...
Poisson Statistics in the High Temperature QCD Dirac Spectrum
Poisson Statistics High Temperature QCD Dirac Spectrum
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2011/1/14
At low temperature in the epsilon regime of QCD the low-end of the Dirac spectrum is described
by random matrix theory. In contrast, there has been no similarly well established staistical descriptio...