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Recordando Termodinámica I. Bibliografia A Modern Course in Statistical Mechanics L.E.Reichl...

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Recordando Termodinámica I
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Page 1: Recordando Termodinámica I. Bibliografia A Modern Course in Statistical Mechanics L.E.Reichl Statistical Mechanics K. Huang Statistical Mechanics R.K.Pathria.

Recordando Termodinámica I

Page 2: Recordando Termodinámica I. Bibliografia A Modern Course in Statistical Mechanics L.E.Reichl Statistical Mechanics K. Huang Statistical Mechanics R.K.Pathria.

Bibliografia

A Modern Course in Statistical MechanicsL.E.Reichl

Statistical MechanicsK. Huang

Statistical MechanicsR.K.Pathria

Introduction to Modern Statistical MechanicsD.Chandler

Introduction to Phase Transitions and critical PhenomenaH. Eugene Stanley

Page 3: Recordando Termodinámica I. Bibliografia A Modern Course in Statistical Mechanics L.E.Reichl Statistical Mechanics K. Huang Statistical Mechanics R.K.Pathria.

precisión

Page 4: Recordando Termodinámica I. Bibliografia A Modern Course in Statistical Mechanics L.E.Reichl Statistical Mechanics K. Huang Statistical Mechanics R.K.Pathria.

)

Page 5: Recordando Termodinámica I. Bibliografia A Modern Course in Statistical Mechanics L.E.Reichl Statistical Mechanics K. Huang Statistical Mechanics R.K.Pathria.
Page 6: Recordando Termodinámica I. Bibliografia A Modern Course in Statistical Mechanics L.E.Reichl Statistical Mechanics K. Huang Statistical Mechanics R.K.Pathria.

A

B

reversible

Irreversible

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lala

Page 15: Recordando Termodinámica I. Bibliografia A Modern Course in Statistical Mechanics L.E.Reichl Statistical Mechanics K. Huang Statistical Mechanics R.K.Pathria.

pared

Las particulas enla vecindad de lapared “sienten” elno balance de fuerzas

Al tomar una fotodel sistema a Tiempo t

VACIO

Fuerzas debidas al Gas

Page 16: Recordando Termodinámica I. Bibliografia A Modern Course in Statistical Mechanics L.E.Reichl Statistical Mechanics K. Huang Statistical Mechanics R.K.Pathria.
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Page 18: Recordando Termodinámica I. Bibliografia A Modern Course in Statistical Mechanics L.E.Reichl Statistical Mechanics K. Huang Statistical Mechanics R.K.Pathria.

A B

Page 19: Recordando Termodinámica I. Bibliografia A Modern Course in Statistical Mechanics L.E.Reichl Statistical Mechanics K. Huang Statistical Mechanics R.K.Pathria.
Page 20: Recordando Termodinámica I. Bibliografia A Modern Course in Statistical Mechanics L.E.Reichl Statistical Mechanics K. Huang Statistical Mechanics R.K.Pathria.

Rango de interaccion del potencial

Pared que separaA los dos sistemas

Et=E1+E2+H12

H12=termino de interaccion entre los

dos sistemas

Page 21: Recordando Termodinámica I. Bibliografia A Modern Course in Statistical Mechanics L.E.Reichl Statistical Mechanics K. Huang Statistical Mechanics R.K.Pathria.

Al separarlos Et=E1+E2

Page 22: Recordando Termodinámica I. Bibliografia A Modern Course in Statistical Mechanics L.E.Reichl Statistical Mechanics K. Huang Statistical Mechanics R.K.Pathria.

pnVVE )(0

V0

Parámetro potencial

Numero de partículas sistema

Numero promedio devecinos de cada partículassin repetición.

Page 23: Recordando Termodinámica I. Bibliografia A Modern Course in Statistical Mechanics L.E.Reichl Statistical Mechanics K. Huang Statistical Mechanics R.K.Pathria.

La energia de interaccion puede ser estimada como

E~V0* numero de particulas*numero de pares de una particula

E~V0* *V*np

Esto vale para cada uno de los sistemas 1 y 2E1+E2 ~ V0* * (V1+V2)*np

Para la interface H12~V0* *V’*np

De donde H12/(E1+E2) = V’/(V1+V2)

Como V’~R02 rint y V~R0

3

Entonces H12/(E1+E2) va a 0 con R0 tendiendo a infinito

rint

Page 24: Recordando Termodinámica I. Bibliografia A Modern Course in Statistical Mechanics L.E.Reichl Statistical Mechanics K. Huang Statistical Mechanics R.K.Pathria.

Presion externaPgas

J

Page 25: Recordando Termodinámica I. Bibliografia A Modern Course in Statistical Mechanics L.E.Reichl Statistical Mechanics K. Huang Statistical Mechanics R.K.Pathria.

Sea

adWU

Page 26: Recordando Termodinámica I. Bibliografia A Modern Course in Statistical Mechanics L.E.Reichl Statistical Mechanics K. Huang Statistical Mechanics R.K.Pathria.
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T1

T2

W

Q1 (+)

Q2 (-)

T1>T2

Page 28: Recordando Termodinámica I. Bibliografia A Modern Course in Statistical Mechanics L.E.Reichl Statistical Mechanics K. Huang Statistical Mechanics R.K.Pathria.

W

Q1

Q2

Si T1>T2

Q3

Otro posible arreglo seria el siguiente

Representa un cortocircuito termico

Podemos anular unade las fuentes!!!! Y tener Trabajo positivo….No es posible

Page 29: Recordando Termodinámica I. Bibliografia A Modern Course in Statistical Mechanics L.E.Reichl Statistical Mechanics K. Huang Statistical Mechanics R.K.Pathria.
Page 30: Recordando Termodinámica I. Bibliografia A Modern Course in Statistical Mechanics L.E.Reichl Statistical Mechanics K. Huang Statistical Mechanics R.K.Pathria.

A

B

Sea el siguiente ciclo

Page 31: Recordando Termodinámica I. Bibliografia A Modern Course in Statistical Mechanics L.E.Reichl Statistical Mechanics K. Huang Statistical Mechanics R.K.Pathria.
Page 32: Recordando Termodinámica I. Bibliografia A Modern Course in Statistical Mechanics L.E.Reichl Statistical Mechanics K. Huang Statistical Mechanics R.K.Pathria.

R1

R2

s

Q1 (+)

Q2 (-)

Q2’ (+)

Q02 (-)

Q1’ (-)

Q01 (+)

WR1

WR1

Ws

T1

T2

T0

Page 33: Recordando Termodinámica I. Bibliografia A Modern Course in Statistical Mechanics L.E.Reichl Statistical Mechanics K. Huang Statistical Mechanics R.K.Pathria.

(eliminamos T2 y T1)

T1>T2>T0

(queda una unica fuente)

Page 34: Recordando Termodinámica I. Bibliografia A Modern Course in Statistical Mechanics L.E.Reichl Statistical Mechanics K. Huang Statistical Mechanics R.K.Pathria.

00201 QQ

Page 35: Recordando Termodinámica I. Bibliografia A Modern Course in Statistical Mechanics L.E.Reichl Statistical Mechanics K. Huang Statistical Mechanics R.K.Pathria.

luego

Page 36: Recordando Termodinámica I. Bibliografia A Modern Course in Statistical Mechanics L.E.Reichl Statistical Mechanics K. Huang Statistical Mechanics R.K.Pathria.
Page 37: Recordando Termodinámica I. Bibliografia A Modern Course in Statistical Mechanics L.E.Reichl Statistical Mechanics K. Huang Statistical Mechanics R.K.Pathria.
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Page 40: Recordando Termodinámica I. Bibliografia A Modern Course in Statistical Mechanics L.E.Reichl Statistical Mechanics K. Huang Statistical Mechanics R.K.Pathria.

Una definición precisa de equilibrio!

Page 41: Recordando Termodinámica I. Bibliografia A Modern Course in Statistical Mechanics L.E.Reichl Statistical Mechanics K. Huang Statistical Mechanics R.K.Pathria.

grado

Page 42: Recordando Termodinámica I. Bibliografia A Modern Course in Statistical Mechanics L.E.Reichl Statistical Mechanics K. Huang Statistical Mechanics R.K.Pathria.
Page 43: Recordando Termodinámica I. Bibliografia A Modern Course in Statistical Mechanics L.E.Reichl Statistical Mechanics K. Huang Statistical Mechanics R.K.Pathria.

NT

XT

YU

TS

1

Page 44: Recordando Termodinámica I. Bibliografia A Modern Course in Statistical Mechanics L.E.Reichl Statistical Mechanics K. Huang Statistical Mechanics R.K.Pathria.
Page 45: Recordando Termodinámica I. Bibliografia A Modern Course in Statistical Mechanics L.E.Reichl Statistical Mechanics K. Huang Statistical Mechanics R.K.Pathria.
Page 46: Recordando Termodinámica I. Bibliografia A Modern Course in Statistical Mechanics L.E.Reichl Statistical Mechanics K. Huang Statistical Mechanics R.K.Pathria.
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P1 P2

recipiente rigido adiabatico

Condición de contorno interna

Page 48: Recordando Termodinámica I. Bibliografia A Modern Course in Statistical Mechanics L.E.Reichl Statistical Mechanics K. Huang Statistical Mechanics R.K.Pathria.
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Page 50: Recordando Termodinámica I. Bibliografia A Modern Course in Statistical Mechanics L.E.Reichl Statistical Mechanics K. Huang Statistical Mechanics R.K.Pathria.

Y

X

y(x)

x

y

Transformada de Legendre

Page 51: Recordando Termodinámica I. Bibliografia A Modern Course in Statistical Mechanics L.E.Reichl Statistical Mechanics K. Huang Statistical Mechanics R.K.Pathria.

Transformadas de Legendre

Page 52: Recordando Termodinámica I. Bibliografia A Modern Course in Statistical Mechanics L.E.Reichl Statistical Mechanics K. Huang Statistical Mechanics R.K.Pathria.
Page 53: Recordando Termodinámica I. Bibliografia A Modern Course in Statistical Mechanics L.E.Reichl Statistical Mechanics K. Huang Statistical Mechanics R.K.Pathria.

O tambien

yx

Q

xy

Q

y

M

yM

Q

M

N

y

x

yM

R

My

R

22

2

22

Page 54: Recordando Termodinámica I. Bibliografia A Modern Course in Statistical Mechanics L.E.Reichl Statistical Mechanics K. Huang Statistical Mechanics R.K.Pathria.
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