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Q: THERMAL EFFECTS ON STRAIN MEASUREMENT
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heat strain or the thermal strain is caused due to the temperature changes. A solid body expands as the temperature increases and contracts as the temperature decreases.this causes the thermal strain. for a homogeneous and isotropic body the thermal strain is caused by change in temperature. thermal strain = coefficient of linear thermal expansion * change in temperature where the coefficient of linear thermal expansion gives the strain per degree of temperature.


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Define thermal stress and thermal strain?

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Temperature is what is used to measure thermal energy The more thermal energy a substance has, the more warmer it will be. So when the temperature is high, there is a lot of thermal energy Thermal energy is just energy. It refers to the energy of the molecules. Temperature is just a measurement


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Thermal energy is just energy. It refers to the energy of the molecules. Temperature is just a measurement.


Who discovered that temperature is affected by temperature?

Perhaps you mean 'who discovered that thermal properties of materials vary with the temperature at which the measurement is done'. I don't know of a specific answer, but almost anyone who made a thermal measurement could have noticed this.


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What is thermal stress?

A temperature change causes an expansion or a contraction of materials, some more than others. This is manifested as thermal strain. If the material is constrained however, so that it is not allowed to expand or contract, then a thermal stress must be induced to make the thermal strain equal to zero. So if the material would typically expand some epsilon1 under the given temperature change then a state of stress must be induced that results in a negative epsilon1 which can be accomplished knowing that stress is equal to strain times Young's modulus. There is likely no need to worry about shear strain, since it usually does not occur assuming you are dealing with an isotropic material.


What does the term Thermal effects refer to?

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