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We call material that acts in that way a thermal insulator. Sometimes we shorten it to just insulation, but we need to be clear that we're talking about thermal energy and not, say, electrical energy.

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16y ago

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A material that reduces the flow of heat by conduction convection and radiation is?

An insulating material, such as foam, fiberglass, or mineral wool, reduces the flow of heat by conduction, convection, and radiation. These materials have low thermal conductivity, which limits the transfer of heat energy through the material, making them effective at reducing heat loss or gain in buildings or systems.


What is a material that reduces the transfer of heat?

An example of a material that reduces the transfer of heat is thermal insulating material, such as fiberglass or foam. These materials are designed to slow down the transfer of heat energy through conduction, convection, and radiation, thus helping to maintain a stable temperature in a space.


What do we call a material that reduces the flow of heat?

A material that reduces the flow of heat is called an insulator. Insulators prevent the transfer of heat by reducing conduction, convection, and radiation. Common examples include fiberglass, foam, and certain types of plastic.


What processes of heat transfer are affected with thermos flasks?

Thermos flasks primarily reduce heat transfer by conduction, convection, and radiation. The vacuum insulation between the inner and outer walls of the flask minimizes heat loss through conduction. The silvered coating on the inner surface reduces heat transfer by radiation, while the narrow neck minimizes heat loss through convection.


What kind of energy transfer do thermoses use?

Thermoses use a combination of mechanisms to prevent heat transfer, including conduction, convection, and radiation. The vacuum-sealed space between the inner and outer layers of the thermos reduces heat transfer by minimizing convection and conduction, while the reflective surface on the inner layer reduces radiation heat loss.


What is a material that reduces or prevents the transfer of heat?

An insulating material, like fiberglass, foam, or cellulose, can reduce or prevent the transfer of heat by minimizing conduction, convection, and radiation. These materials work by trapping air pockets, which are poor conductors of heat, within their structure.


Does loft insulation reduce heat loss by conduction convection or radiation?

Loft insulation primarily reduces heat loss by conduction. It works by trapping air in the material, which slows down the transfer of heat through the building's ceiling. Some insulation materials may also help reduce heat loss through convection by preventing air movement within the insulation layer.


Why you create vacuum in thermos flask?

This reduces heat transport through conduction and convection.


How do vacuum flasks keep drinks hot or cold and prevent conduction convection and radiation?

Vacuum flasks are designed with a vacuum-sealed space between two walls that prevents heat transfer by conduction and convection. The reflective inner lining of the flask reduces heat loss due to radiation by reflecting thermal radiation back into the flask. This overall design helps to maintain the temperature of the drink inside the flask for a longer period of time.


Is double glazing conduction convection or radiation?

Double glazing primarily reduces heat loss through conduction. The air gap between the two panes of glass acts as an insulator, reducing the transfer of heat through the glass. Some heat transfer may also occur through convection of air currents within the gap.


What part of a flask reduces heat transfer by both conduction and convection?

The insulating layer or vacuum in the walls of the flask reduces heat transfer by both conduction and convection. This layer creates a barrier that minimizes the direct contact of the contents with the external environment, thereby reducing thermal energy transfer.


What features of a thermos flask reduce heat loss by?

A vacuum insulated design reduces heat transfer by eliminating air conduction and convection. Reflective interior surfaces minimize radiation heat loss. Double walls with a low conductivity material like stainless steel further inhibit heat transfer.