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when is heat transferred?
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∙ 14y ago
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Why do different materials heat up at different rate?
usually metals or conductors get the heat energy from the heat. the heat transfer the particles in the conductors which causes it to heat up in a faster rate to get it hot.
How the rate of heat transfer is reduced?
rate of heat transfer between two bodies can be reduced by providing insulation between the two. e.g. As in thermos flask. where the insulation prevents heat flow from liquid/tea stored inside the flask to outside atmosphere
conclusion and recommendation of lab heat transfer of first law termodynamics?
Conclusion The lab experiment on heat transfer of first law thermodynamics has demonstrated that heat energy can be transferred from one body to another through conduction, convection, and radiation. The data collected in this experiment shows that the rate of heat transfer is determined by the thermal conductivity of the material, the surface area of the material, and the temperature difference between the materials. The results of the experiment suggest that the higher the thermal conductivity of the material, the greater the rate of heat transfer. In addition, the higher the temperature difference between the two materials, the more heat will be transferred. Furthermore, the larger the surface area of the material, the greater the rate of heat transfer. Recommendation This lab experiment has shown that heat transfer is a complex process and can be further explored by performing more experiments with different materials and different temperature differences. In addition, this experiment has shown that the factors which affect heat transfer, such as thermal conductivity and surface area, can be manipulated to increase or decrease the rate of heat transfer. Therefore, it is recommended that further experiments should be conducted in order to further understand how these factors interact to affect the rate of heat transfer. Additionally, it is recommended that experiments should be conducted to explore how different materials and different temperature differences affect the rate of heat transfer. Finally, it is recommended that experiments should be conducted to explore how different materials and different surface areas affect the rate of heat transfer.
What is thermal conduct?
The rate at which heat flows through a material between points at different tempatures
At what speed does heat radiation travel?
Heat transfer rate in radiation is proportional to the fourth power of the temperature difference
How does temperature affect the rate of heat transfer?
For conductive and convective heat transfer, the rate of heat transfer is proportional to the the temperature difference; if you double the difference you will double the rate of heat transfer. For radiative heat transfer, the rate of heat transfer is proportional to the difference of the 4th powers of the absolute temperatures.
What does an insulator do to the rate of heat transfer?
It reduces the rate of transfer.
What is the heat which travel molecule to molecule?
if you mean the transfer rate of heat ?; the heat transfer rate depends on the atom or molecule type .
Does temperature difference does not affect heat transfer rate?
yes
Why do different materials heat up at different rate?
usually metals or conductors get the heat energy from the heat. the heat transfer the particles in the conductors which causes it to heat up in a faster rate to get it hot.
How fast does 4oz of water freeze?
Freezing rate depends on the surface area, the heat transfer medium, and its temperature. If it is a thin layer (large surface area) of water it would freeze faster than a thick layer (smaller surface area). A liquid heat transfer medium, like liquid nitrogen, would have a higher heat transfer rate than a gas, like air. Lastly, the colder the heat transfer medium, the faster the heat transfer rate, the faster the water would freeze.
How the rate of heat transfer is reduced?
rate of heat transfer between two bodies can be reduced by providing insulation between the two. e.g. As in thermos flask. where the insulation prevents heat flow from liquid/tea stored inside the flask to outside atmosphere
conclusion and recommendation of lab heat transfer of first law termodynamics?
Conclusion The lab experiment on heat transfer of first law thermodynamics has demonstrated that heat energy can be transferred from one body to another through conduction, convection, and radiation. The data collected in this experiment shows that the rate of heat transfer is determined by the thermal conductivity of the material, the surface area of the material, and the temperature difference between the materials. The results of the experiment suggest that the higher the thermal conductivity of the material, the greater the rate of heat transfer. In addition, the higher the temperature difference between the two materials, the more heat will be transferred. Furthermore, the larger the surface area of the material, the greater the rate of heat transfer. Recommendation This lab experiment has shown that heat transfer is a complex process and can be further explored by performing more experiments with different materials and different temperature differences. In addition, this experiment has shown that the factors which affect heat transfer, such as thermal conductivity and surface area, can be manipulated to increase or decrease the rate of heat transfer. Therefore, it is recommended that further experiments should be conducted in order to further understand how these factors interact to affect the rate of heat transfer. Additionally, it is recommended that experiments should be conducted to explore how different materials and different temperature differences affect the rate of heat transfer. Finally, it is recommended that experiments should be conducted to explore how different materials and different surface areas affect the rate of heat transfer.
What is thermal conduct?
The rate at which heat flows through a material between points at different tempatures
What is the factors that effect on number of tubes in shell and tube heat exchanger?
The factors that are affected by number of tubes in shell and tube heat exchanger is the rate of heat transfer and flow rate.
At what speed does heat radiation travel?
Heat transfer rate in radiation is proportional to the fourth power of the temperature difference
Does the difference in the level of heat between two substances determine the heat transfer rate between the substances?
true
