thermo notes13

7/25/2019 Thermo Notes13

1/13

)

'

2

1

R

E

W

H

T

S

4

3

:

O

S

C

E

W

H

T

5

M

M

U

S

A

t

~

E

~

0

~

F

l

~

8

\

~

.

1

1

~

~

;

~

;

1

}

1

b

.

_

-

+

_

c

1

F

t

T

T

T

~

\

1

-

e

l

?

(

;

1

~

r

l

~

I

~

~

4

~

(

D

~

I

e

,

~

-

Q

s

~

-

4

~

4

\

f

,

D

)

:

~

:

g

g

~

~

~

~

.

2

3

2

R

W

H

T

S

M

l

M

I

S

-


4/13

i

~

-

+

~

~

~

~

5

~

~

5

-

t

~

~

_

~

~

_

3

~

J

~

.

Z

4

4

~

~

s

Z

/

_

?

0

.

V

.

-

I

~

t

0

~

~

l

6

-

.

C

.

(

7

~

~ ~

i

~

a

:

E

~

2

.

c

~

~

~

-

5

T

_

l

~

C

J

(

V(

I

f

\

~

'

_

C

~

-

~

L

~

c

:

J

~

S

~

~

\

f

~

-

V

I

{

~

-

~

p

~

~

~

~

:

~

l

~

~

~

~

~

~

~

~

v

~

'

\

-

~

\

_

f

\

V

l

~

~

~

v

C

7

C

J

\

r

+

n

'

-

-

f

'

t

~

:

h

.

w .

1

~

~

4

1

R

W

H

T

5

4

2

R

C

F

W

H

T

5

~

U

r

n

z

- ~

Q

p

}

~

-

.

\

~

t

J

~

~

~

W

Q

~

{

\

j

J

1

f

'

)

I

t

J

o

~ ~

f

~

-

-

1

T

)

?

.

~

~

C

f

\

0

>

-

1

-

r

J

g

~

(

~

:

r

~

~

~

>

\

P

-

c

-

1

\

U

a

~

~

-

L

~

f

~

o

I

t

_

M

,

~

I

t

a

f

~

r

j

/

~


5/13

)

)

4

1

R

W

H

T

S

2

~

2

R

W

H

T

5

M

.

.

U

~

0

_

t

.

+

Y

$

(

6

1

~

if

f

-

n

i

>

I

g

c

l

\

,

~

E

t

t

t

)

P

B

,

~

E

:

(

1

;

1

~

~

-

V

o

-

~

~

~

~

~

l

.

{

O

,

S

~

~

I

~

o

~

~

r

I

l

A

~

'

~

f

~

o

o

V

\

v

,

~

~

1

~

-

~

k

~

~

;

:

1

1

,

r

k

J

,

(

\

-

~

~

X

0

r

I

\

,

~

-

~

Q

_

(

~

~

b

0

_

_

~


6/13

)~,. LA()j .'

- f a t. e - 'Y ,

- ~

-

>

- ~p\are. d~

T

d

t 4 ; .

d

l?

+ -

a

pv

d ~ ; d \.)

+

~dV VdP

d ~ :

d Q r I J ~d.

V

+

~d

v +

V

J. . p

d

Qfw;:

J

1 4 - V

d

P

d = c~~elf _ ~ J~

r,- '


7/13

)

,

~

(

1

~

~

.

r

=

~

~

.

:

>

P

~

~

&

l

~

e

.

r

,

0

-

1

'

~

A

H

r

v

-

~

~

y

=

\

~

r

=

r

~

~

,

-

_

f

A

~

~

1

1

~

?

~

~

~

:

>

r

=

r

1

~

J

7

Y

.

-

~

~

.

0

0

-

.

_

>

.

:

>

1

)

.

1

\

~

~

~

~

0

1

~

S

l

)

~

-

~

v

l

c

:

7

~

g

~

-

J

4

g

.

-

s

. - - - . . . . .

R


9/13

&.~~ 5,~

C:~~

@ 650 k

Tht~ 5 ~'('

4~

I

bo..~

-J :: 7

2

A\)H:}SI\1 c..

-;:::);:\ ;

( ( S~)~PJC- ')

'RE ~/6 } r 2 . '~ Y ' ; ) ~ : 5 5 0 ~ ) 1 -

2 M . ~ )

- A,>S(JM~ T ' 2 .

- LOM

(JU II; L . E F T S (

o e -

- 1 < e ? t ; ; 'W I UIJTIl,; ~ ~


10/13

ChE Thermo 1

Example 5.3 Calcu lat ion o f .18

Given: An Ideal Gas (CH4) undergoes an adiabatic, reversible expansion

from T1 and P1 to P2 and T2. What is T2?

T1 = 550 K

P1 = 5 bar

P2

=

1 bar

Table C.1

A 8 C o

CH4 1.702 9.08E-03 -2.16E-06

o

s*ln(T21T1)

=

A*In(T2fT1) + 8(T2 - T1) + C(T1112- T2

11

2) + D(T111-2- T211-2)

R 2.2

.1 S =

0

=

*ln(T2IT1) - R*ln(P2/P1)

T2

=

s

46.05965

J/mol-K

R= 8.314 J/mol-K

In(T21T1)

-0.290512


11/13

~

\

d

(

(

J

~

-

~

t

1

i

*

~

n

\I

\

v

~

f

g

(

(

~

~

~

1

V

I

Z

\

~

~

.

-

V

:

J

2

I

(

J

~

0

i

I

~

\

-

~

~

t

v

a

1

>

-

r

I

~

(

b

:

~

~

~

i

j

~

g..... I+PJIt61l;;IC. OJ

~ = (li\

V ee

I, P, )

e~ A/so

+12. . rc. , rev

v

I~GVa;u.A -::.. D + Se - s~

_ ~5Te7Jti.. ':: 8 > -~A >


13/13

(

-- eVt~ t

FR003S ?R.0~5

ItS . u-G-tt

A-

t>

l < . G C . .

-r IC::~V\.IH A \ Tft~ Jf)TI2rt- ~T~ f ) 1

C-H-~t\J4.~ 15

PDS(J/vi?

- TH-t?

1 . - - - 1 l TI J c V fJ,-t-u t : : - ) F IY ::>jorl4;-a- ~

IS

~'TTA/N~ )

0 -1 , - , ,\ 8 ( ~ ~~V~ I etG ~do~~

thermo notes13

Documents