HEAT TRANSFER
HEAT TRANSFER
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HEAT: how heat can be transferred from one place to another and what its effects are
En este vídeo podemos ver una de las formas de transferencia de energía del calor: la conducción.
Con este simulador virtual podrás ver cómo se propaga el calor por conducción
En este vídeo podemos ver otra de las formas en las que el calor puede propagarse: la convección.
Con este simulador virtual podrás ver cómo se propaga el calor por convección
Por último, en este vídeo podemos ver cómo se puede propagar el calor mediante radiación. Éste es el único mecanismo por el que el calor puede propagarse a través del vacío; es decir, donde no hay materia.
How is heat transferred from one place to another in the following scenarios?
1-You wake up on a Saturday morning and you're glad you don't have to go to school. You don't feel like doing anything at all. So you sit outside in the Sun. Quickly you start sweating.
It's so hot at home...You go to the kitchen and take a Coca-Cola from the fridge. As soon as you touch the can, your hands get colder.
The temperature in the house is rising too much. Your mother turns on the air conditioner. Quickly you feel how the air becomes colder.
You fancy a sausage sandwich, so you take a pair of sausages from the fridge and then put a non-stick pan over a medium heat. Just one minute later, you accidentally touch the handle and you burn yourself. The handle was made of steel, as the rest of the pan. How was heat transferred from the bottom of the pan to the handle?
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