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Maxwell's Thermodynamic Relations01:23

Maxwell's Thermodynamic Relations

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Maxwell's thermodynamic relations are very useful in solving problems in thermodynamics. Each of Maxwell's relations relates a partial differential between quantities that can be hard to measure experimentally to a partial differential between quantities that can be easily measured. These relations are a set of equations derivable from the symmetry of the second derivatives and the thermodynamic potentials.
All thermodynamic potentials are exact differentials. Therefore, their second-order...
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Kinetic Molecular Theory: Molecular Velocities, Temperature, and Kinetic Energy03:07

Kinetic Molecular Theory: Molecular Velocities, Temperature, and Kinetic Energy

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The kinetic molecular theory qualitatively explains the behaviors described by the various gas laws. The postulates of this theory may be applied in a more quantitative fashion to derive these individual laws.
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Thermodynamic Systems01:06

Thermodynamic Systems

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A thermodynamic system is a set of objects whose thermodynamic properties are of interest. The system is considered to be embedded in its surroundings or the environment. The system and its environment can exchange heat and do work on each other through a boundary that separates them. However, the immediate surroundings of the system interact with it directly and therefore have a much stronger influence on its behavior and properties.
Consider an example of  tea boiling in a kettle. The...
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Zeroth Law of Thermodynamics01:14

Zeroth Law of Thermodynamics

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Experimentally, if object A is in equilibrium with object B, and object B is in equilibrium with object C, then object A is in equilibrium with object C. That statement of transitivity is called the "zeroth law of thermodynamics." For example, a cold metal block and a hot metal block are both placed on a metal plate at room temperature. Eventually, the cold block and the plate will be in thermal equilibrium. In addition, the hot block and the plate will be in thermal equilibrium.
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Free Energy and Equilibrium02:56

Free Energy and Equilibrium

23.5K
The free energy change for a process may be viewed as a measure of its driving force. A negative value for ΔG represents a driving force for the process in the forward direction, while a positive value represents a driving force for the process in the reverse direction. When ΔGrxn is zero, the forward and reverse driving forces are equal, and the process occurs in both directions at the same rate (the system is at equilibrium).
Recall that Q is the numerical value of the mass action...
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Path Between Thermodynamics States01:21

Path Between Thermodynamics States

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Consider the two thermodynamic processes involving an ideal gas that are represented by paths AC and ABC in Figure 1:
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相关实验视频

Updated: Jul 2, 2025

Author Spotlight: Simulation and Analysis of the Temperature Rise of Ring Main Unit Equipment
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Author Spotlight: Simulation and Analysis of the Temperature Rise of Ring Main Unit Equipment

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热力学关系的热力学关系.

Jean-Charles Delvenne1, Gianmaria Falasco2

  • 1Institute of Information and Communication Technologies, Electronics and Applied Mathematics, UCLouvain, 1348 Louvain-La-Neuve, Belgium.

Physical review. E
|February 17, 2024
PubMed
概括
此摘要是机器生成的。

新的热力学关系约束了物理系统中的产量. 这些边界为非平衡系统提供了更好的洞察力,并对复杂过程的速度限制进行了概括.

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Experimental Methodology for Estimation of Local Heat Fluxes and Burning Rates in Steady Laminar Boundary Layer Diffusion Flames
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Experimental Methodology for Estimation of Local Heat Fluxes and Burning Rates in Steady Laminar Boundary Layer Diffusion Flames

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Uncoupling Coriolis Force and Rotating Buoyancy Effects on Full-Field Heat Transfer Properties of a Rotating Channel
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相关实验视频

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Experimental Methodology for Estimation of Local Heat Fluxes and Burning Rates in Steady Laminar Boundary Layer Diffusion Flames
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Experimental Methodology for Estimation of Local Heat Fluxes and Burning Rates in Steady Laminar Boundary Layer Diffusion Flames

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Uncoupling Coriolis Force and Rotating Buoyancy Effects on Full-Field Heat Transfer Properties of a Rotating Channel
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科学领域:

  • 热力学是一种热力学.
  • 统计力学 统计力学
  • 非平衡的物理 物理学

背景情况:

  • 热力学关系将热力学量 (例如,产量) 与动力学可观测量联系起来.
  • 现有的关系往往侧重于静态系统或特定的动力测量.

研究的目的:

  • 介绍过度缓和的马尔科夫跳跃过程的新型热力学关系.
  • 扩大时间变速率和非静止分布的边界.
  • 探索概率分布之间的驱动系统的影响.

主要方法:

  • 导出热力学界限用于的产生.
  • 静止和非静止马尔科夫跳跃过程的分析.
  • 研究波动-分散关系.

主要成果:

  • 在马尔科夫跳跃过程中产生的新界限,适用于非静止的情况.
  • 对于静止系统,一个比传统热力学不确定性关系更严格的边界.
  • 在系统驱动过程中发现了非adiabatic和 housekeeping 产生的权衡.
  • 使用轨迹可观测的经典速度限制的概括.

结论:

  • 引入的热力学关系为分析非平衡系统提供了强大的工具.
  • 这些边界为效率和驱动系统的局限性提供了新的视角.
  • 这些发现在生物物理学和计算设备中具有潜在的应用.