نتایج جستجو برای: diffusion to thermal wave propagation

تعداد نتایج: 10844535  

2017
Kuankuan Chen Cong Li Meng Hu Xun Hou Chunmei Li Zhiqian Chen

Deformation modes were studied for Ti₃AN (A = Al, In and Tl) by applying strain to the materials using first-principle calculations. The states of the bonds changed during the deformation process, and the Ti-N bonds remained structurally stable under deformation. The elastic anisotropy, electronic structures, hardness, and minimum thermal conductivity of anti-perovskite Ti₃AN were investigated ...

2008
Junyan LIU Jingmin DAI Yang WANG Hui LIU Zijun WANG

Optically stimulated Lock-in thermography (OLT) which is an active thermography technique for NDT is based on propagation and reflection of thermal waves which are launched from the surface into the inspected component by absorption of modulated radiation. Phase angle images obtained by superposition of the initial thermal wave and its internal reflection display hidden thermal structures down ...

Journal: :Mathematics 2022

The current work aims to investigate elasto-thermodiffusive wave propagation in a homogeneous, isotropic, and thermally conducting excited semiconductor medium. two-temperature theory is utilized the context of linear photo-thermoelasticity (PTE) semiconductors. Thermal elastic memories found equations for heat, motion, charge carrier field are taken into account. governing applied according ma...

Journal: :IEEE transactions on nanobioscience 2016
A Ozan Bicen Ian F Akyildiz Sasitharan Balasubramaniam Yevgeni Koucheryavy

The use of intra/inter-cellular calcium ion (Ca2+) signaling for molecular communication (MC) is investigated in this paper. In particular, the elevation of the intracellular Ca2+ concentration upon the external excitation, i.e., Ca2+ wave generation, and the intercellular propagation of Ca2+ wave over consecutive cells are studied for information transmission. The main objective of this paper ...

2005
LUCY J. CAMPBELL THEODORE G. SHEPHERD

Parameterization schemes for the drag due to atmospheric gravity waves are discussed and compared in the context of a simple one-dimensional model of the quasi-biennial oscillation (QBO). A number of fundamental issues are examined in detail, with the goal of providing a better understanding of the mechanism by which gravity wave drag can produce an equatorial zonal wind oscillation. The gravit...

2017
THEODORE G. SHEPHERD

Parameterization schemes for the drag due to atmospheric gravity waves are discussed and compared in the context of a simple one-dimensional model of the quasi-biennial oscillation (QBO). A number of fundamental issues are examined in detail, with the goal of providing a better understanding of the mechanism by which gravity wave drag can produce an equatorial zonal wind oscillation. The gravit...

Journal: :Physical review. D, Particles and fields 1994
Dorca Verdaguer

We use wave packet mode quantization to compute the creation of massless scalar quantum particles in a colliding plane wave spacetime. The background spacetime represents the collision of two gravitational shock waves followed by trailing gravitational radiation which focus into a Killing-Cauchy horizon. The use of wave packet modes simplifies the problem of mode propagation through the differe...

2016
Xiupeng Wei Albert Ratner Olesya I. Zhupanska Shaoping Xiao

Recommended Citation Wei, Xiupeng. "Multiscale modeling and simulation of material phase change problems: ice melting and copper crystallization." MS ABSTRACT The primary objective of this work is to propose a state-of-the-art physics based multiscale modeling framework for simulating material phase change problems. Both ice melting and copper crystallization problems are selected to demonstrat...

Journal: :Int. J. Math. Mathematical Sciences 2004
S. K. Roy Choudhuri Manidipa Banerjee Chattopadhyay

A study is made of the propagation of time-harmonic plane waves in an infinite, conducting, thermoelastic solid permeated by a uniform primary external magnetic field when the entire medium is rotating with a uniform angular velocity. The thermoelasticity theory of type II (G-N model) (1993) is used to study the propagation of waves. A more general dispersion equation is derived to determine th...

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