搜索结果: 1-15 共查到“知识库 热学其他学科”相关记录34条 . 查询时间(3.453 秒)
范卫东，上海交通大学机械与动力工程学院热能工程研究所教授，博士生导师，教育背景：1996.9―1999.7哈尔滨工业大学热能工程专业博士；1994.9―1996.7哈尔滨工业大学热能工程专业硕士；1990.9―1994.7哈尔滨工业大学热能工程专业学士。研究方向为高效清洁燃烧理论与技术；燃烧温室气体、污染物等控制理论及排放控制技术；燃料热化学转化与高效清洁利用机理。
纳米组装相变储热材料的热设计前沿
相变 纳米组装材料 热设计 前沿
2022/4/1
本文简单回顾了固液相变储热材料发展历程，重点针对纳米多孔定形相变材料，从材料层面的研发设计，到热物理层面的微观限域空间负载、结晶、导热机理，乃至围绕异相/异质匹配提出的显著提升相变蓄传热性能的强化手段进行了总结。同时，指出了目前受制于单一尺度孔径无法兼顾储释热的密度和速率的现状，并探讨在此基础上借助新型多级尺度孔径的骨架材料以突破瓶颈的可能。最后，系统梳理了与之伴随的一系列亟待解决的科学问题、机遇...
热智能材料及其在空间热控中的应用
热智能材料 热导率 空间热控 智能调控
2022/4/1
空间技术等高新领域对智能高效的热控制技术的需求日益提高，而实现智能热控制技术的关键是要实现材料的热物性智能调控，于是热导率可响应外场变化的热智能材料成为了研究的焦点。本文梳理了热智能材料的最新研究进展，从调控机理、调控幅度、应用价值等角度出发，介绍了纳米颗粒悬浮液、相变材料、软物质材料、受电化学调控的层状材料和受特定外场调控的材料等不同种类热智能材料的研究现状，以及以热智能材料为基础的智能热控部件...
A one-dimensional model intercomparison study of thermal regime of a shallow, turbid midlatitude lake
one-dimensional model intercomparison study turbid midlatitude lake
2014/12/12
Results of a lake model intercomparison study
conducted within the framework of Lake Model Intercomparison Project are presented.
Reversible and Irreversible Spacetime Thermodynamics for General Brans-Dicke Theories
Spacetime Thermodynamics General Brans-Dicke Theories
2010/12/24
We derive the equations of motion for Palatini F(R) gravity by applying an entropy balance law T dS= \delta Q+\delta N to the local Rindler wedge that can be constructed at each point of spacetime. Un...
Entanglement Entropy of Two Black Holes and Entanglement Entropic Force
Entanglement Entropy Two Black Holes Entanglement Entropic Force
2010/12/23
We study the entanglement entropy, $S_C$, of a massless free scalar field on the outside region $C$ of two black holes $A$ and $B$ whose radii are $R_1$ and $R_2$ and how it depends on the distance, ...
Thermodynamics of SU(N) gauge theories in 2+1 dimensions in the $T <\ T_c$ regime
Thermodynamics SU(N) gauge theories
2010/12/27
We present Monte Carlo results for the thermodynamics of pure SU(N) gauge theories with $N=2,...,6$ in 2+1 dimensions. We focus on the confined phase region $T
Adiabaticity and emergence of classical space-time in time-dependent matrix theories
classical space-time time-dependent matrix theories
2010/12/23
We discuss the low-curvature regime of time-dependent matrix theories proposed to describe non-perturbative quantum gravity in asymptotically plane-wave space-times. The emergence of near-classical sp...
Phase transitions for the cavity approach to the clique problem on random graphs
Phase transitions the cavity graphs
2010/11/17
We give a rigorous proof of two phase transitions for a disordered system designed to find large cliques inside Erdos random graphs. Such a system is associated with a conservative probabilistic cellu...
On chip, high-sensitivity thermal sensor based on high-Q polydimethylsiloxane-coated microresonator
chip high-sensitivity thermal sensor high-Q polydimethylsiloxane-coated microresonator
2010/11/12
A high-sensitivity thermal sensing is demonstrated by coating a layer of polydimethylsiloxane (PDMS) on the surface of a silica toroidal microresonator on a silicon wafer. Possessing high-Q whisperin...
Adiabatic quantum state transfer in non-uniform triple-quantum-dot system
Adiabatic quantum state transfer non-uniform triple-quantum-dot system
2010/11/5
We introduce an adiabatic quantum state transfer scheme in a non-uniform coupled triple-quantum-dot system. By adiabatically varying the external gate voltage applied on the sender and receiver, the e...
Approach to equilbrium in nano-scale systems at finite temperatur
Approach to equilbrium nano-scale systems finite temperatur
2010/11/5
We study the time evolution of the reduced density matrix of a system of spin-1/2 particles interacting with an environment of spin-1/2 particles. The initial state of the composite system is taken to...
Fano type quantum inequalities in terms of $q$-entropies
Fano inequality Tsallis q-entropy relative q-entropy entanglement fidelity
2010/11/4
Generalizations of the quantum Fano inequality are considered. The notion of $q$-entropy exchange is introduced. This quantity is concave in each of its two arguments. For $q\geq0$, the inequality of ...
A sufficient condition for the validity of quantum adiabatic theorem
A sufficient condition validity quantum adiabatic theorem
2010/10/29
In this paper, we attempt to give a sufficient condition of guaranteeing the validity of the proof of quantum adiabatic theorem. The new sufficient condition can clearly remove the inconsistency and c...
Review of inconsistency of quantum adiabatic theorem
Quantum adiabatic theorem Integral formalism Differential formalism
2010/10/29
In this paper, we note that there are two different types of inconsistencies of quantum adiabatic theorem in work of K. P. Marzlin and B. C. Sanders [Phys. Rev. Lett. 93, 160408, 2004], MS inconsisten...