Concept

Thermal contact

In heat transfer and thermodynamics, a thermodynamic system is said to be in thermal contact with another system if it can exchange energy through the process of heat. Perfect thermal isolation is an idealization as real systems are always in thermal contact with their environment to some extent. When two solid bodies are in contact, a resistance to heat transfer exists between the bodies. The study of heat conduction between such bodies is called thermal contact conductance (or thermal contact resistance).

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https://en.wikipedia.org/wiki/Thermal_contact

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Thermal equilibrium

Two physical systems are in thermal equilibrium if there is no net flow of thermal energy between them when they are connected by a path permeable to heat. Thermal equilibrium obeys the zeroth law of thermodynamics. A system is said to be in thermal equilibrium with itself if the temperature within the system is spatially uniform and temporally constant. Systems in thermodynamic equilibrium are always in thermal equilibrium, but the converse is not always true.

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Official source

https://en.wikipedia.org/wiki/Thermal_contact

About this result

Related courses (3)

PHYS-105: Advanced physics II (thermodynamics)

MICRO-301: Manufacturing technologies

PHYS-106(a): General physics : thermodynamics

Related lectures (6)

Thermal Transfer and Efficiency in Cycles

Discusses thermal transfer, efficiency in cycles, Carnot cycle, heat pumps, Stirling engine, and ideal gases.

Resistive Sensors: Temperature Sensors

Covers the principles of resistive temperature sensors and their implementation through thermal conduction.

Thermal Physics: Thermodynamics MOOC: Thermodynamics II

Explores thermal physics concepts like heat transfer and diffusion in simple systems.

Related publications (3)

Watching ultrafast responses of structure and magnetism in condensed matter with momentum-resolved probes

Fabrizio Carbone

2017

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2014

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Iop Publishing Ltd2012

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Thermal equilibrium