论文标题
使用热分配器的非本地热传输建模
Non-local thermal transport modeling using the thermal distributor
论文作者
论文摘要
准焊接制度中的热传输不仅取决于局部温度$ t(r)$或其梯度$ \ nabla t(r)$,而且还取决于相邻点的温度分布。为了准确描述非本地对热传输的影响,我们采用了热分销商$θ(r,r')$,该$提供了系统$ r $ r $的温度响应对点$ r'$的热量输入。我们从线性化的PEIERLS-BOLTZMANN方程(LPBE)和PEIERLS-BOLTZMANN方程的松弛时间近似(RTA)确定热分配器,并利用它们来描述准 - 核糖式石墨烯设备中的热传输。
Thermal transport in a quasi-ballistic regime is determined not only by the local temperature $T(r)$, or its gradient $\nabla T(r)$, but also by temperature distribution at neighboring points. For an accurate description of non-local effects on thermal transport, we employ the thermal distributor, $Θ(r,r')$, which provides the temperature response of the system at point $r$ to the heat input at point $r'$. We determine the thermal distributors from the linearized Peierls-Boltzmann equation (LPBE) and the relaxation time approximation (RTA) of the Peierls-Boltzmann equation and employ them to describe thermal transport in quasi-ballistic graphene devices.