I Principi di scambio termico e conduzione del calore
Lo scambio termico è il trasferimento di energia sotto forma di calore da un corpo a temperatura più alta a uno a temperatura più bassa.
Agitazione molecolare
Il calore passa tramite vibrazioni atomiche e movimento di elettroni
La conduzione di calore avviene negli stati solido liquido e gassoso di calore nei materiali l'unico meccanismo possibile
Avviene tra solidi (o per contatto di solidi), quando due o più solidi vengono messi in contatto tra loro, si verifica un fenomeno di interazione che può portare a vari effetti, come il trasferimento di energia o di materia, a seconda delle proprietà dei solidi coinvolti e delle condizioni del contatto.
Per conduzione termica si interde il tresporto o diffusione del calore
Trasferimento di energia
Es:riscaldamento di una barra metallica,trasmissione di calore attraverso una parete
A subtitlegreat here
Nei liquidi la conduzione è dovuta agli urti tra molecole calde e fredde
Argento,rame,oro
Tra liquidi può risultare meno efficace. Questo perchè prima della conduzione avviene un altro processo (convenzione)
Materiali pio o meno conduttori
Diventa piu significativa quando esso è fermo
Poliestere espanso,lana di roccia
Nei reattori nucleari raffreddati a sodio-liquido la conducibilità è molto elevata
q=−kA dT/dx
Propagazione del calore lungo tutto il corpo
Central Mind Map
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Visual content is a cross-cutting, universal language, like music. We are capable of understanding images from millions of years ago, even from other cultures. We don't like to bore. We don't want to be repetitive. Communicating as usual is boring and doesn't hook. We do it differently. We sabotage boredom. We create what the brain likes to consume because it stimulates it.
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Visual content is a transversal, universal language, like music. We are capable of understanding images from millions of years ago, even from other cultures. We don't like to bore. We don't want to be repetitive. Communicating as always is boring and doesn't engage. We do it differently. We sabotage boredom. We create what the brain likes to consume because it stimulates it.
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Visual content is a transversal, universal language, like music. We are capable of understanding images from millions of years ago, even from other cultures. We don't like to bore. We don't want to be repetitive. Communicating as always bores and doesn't engage. We do it differently. We sabotage boredom. We create what the brain likes to consume because it stimulates it.
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I Principi di scambio termico e conduzione del calore
Antonio Paparo
Created on October 2, 2025
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Transcript
I Principi di scambio termico e conduzione del calore
Lo scambio termico è il trasferimento di energia sotto forma di calore da un corpo a temperatura più alta a uno a temperatura più bassa.
Agitazione molecolare
Il calore passa tramite vibrazioni atomiche e movimento di elettroni
La conduzione di calore avviene negli stati solido liquido e gassoso di calore nei materiali l'unico meccanismo possibile
Avviene tra solidi (o per contatto di solidi), quando due o più solidi vengono messi in contatto tra loro, si verifica un fenomeno di interazione che può portare a vari effetti, come il trasferimento di energia o di materia, a seconda delle proprietà dei solidi coinvolti e delle condizioni del contatto.
Per conduzione termica si interde il tresporto o diffusione del calore
Trasferimento di energia
Es:riscaldamento di una barra metallica,trasmissione di calore attraverso una parete
A subtitlegreat here
Nei liquidi la conduzione è dovuta agli urti tra molecole calde e fredde
Argento,rame,oro
Tra liquidi può risultare meno efficace. Questo perchè prima della conduzione avviene un altro processo (convenzione)
Materiali pio o meno conduttori
Diventa piu significativa quando esso è fermo
Poliestere espanso,lana di roccia
Nei reattori nucleari raffreddati a sodio-liquido la conducibilità è molto elevata
q=−kA dT/dx
Propagazione del calore lungo tutto il corpo
Central Mind Map
I am an awesome subtitle, ideal for providing more context on the topic you are going to address
An awesome subtitle
An awesome subtitle
an awesome title great
Write an awesome subtitle here
Write an awesome subtitle here
An awesome subtitle
An awesome subtitle
An awesome subtitle
An awesome subtitle
Write an awesome subtitle here
An awesome subtitle
An awesome subtitle
An awesome subtitle
A greattitle here
Visual content is a transversal, universal language, like music. We are capable of understanding images from millions of years ago, even from other cultures. We don't like to bore. We don't want to be repetitive. Communicating as always bores and doesn't engage. We do it differently. We sabotage boredom. We create what the brain likes to consume because it stimulates it.
Link
A greattitle here
Visual content is a transversal, universal language, like music. We are capable of understanding images from millions of years ago, even from other cultures. We don't like to bore. We don't want to be repetitive. Communicating as always bores and doesn't engage. We do it differently. We sabotage boredom. We create what the brain likes to consume because it stimulates it.
Link
a greattitle here
Visual content is a cross-cutting, universal language, like music. We are capable of understanding images from millions of years ago, even from other cultures. We don't like to bore. We don't want to be repetitive. Communicating as usual is boring and doesn't hook. We do it differently. We sabotage boredom. We create what the brain likes to consume because it stimulates it.
Link
A greattitle here
Visual content is a transversal, universal language, like music. We are capable of understanding images from millions of years ago, even from other cultures. We don't like to bore. We don't want to be repetitive. Communicating as always is boring and doesn't engage. We do it differently. We sabotage boredom. We create what the brain likes to consume because it stimulates it.
Link
a greattitle here
With Genially's templates, you can include visual resources to leave your audience speechless. You can also highlight a specific phrase or piece of information that will be etched in your audience's memory and even embed external content that surprises: videos, photos, audios... Anything you want!
Link
a greattitle here
With Genially's templates, you can include visual resources to leave your audience amazed. You can also highlight a specific phrase or data that will be etched into your audience's memory, and even embed external content that surprises: videos, photos, audios... Whatever you want!
Link
a greattitle here
Visual content is a transversal, universal language, like music. We are capable of understanding images from millions of years ago, even from other cultures. We don't like to bore. We don't want to be repetitive. Communicating as always bores and doesn't engage. We do it differently. We sabotage boredom. We create what the brain likes to consume because it stimulates it.
Link