H a ro ra t v a h ajm o ra s id a g i b o g 'lan ish :
k-1
H a ro ra t v a b o sim o ra sid a g i b o g 'lan ish :
fe-i
T j u f M *
Ti
U J
о
7"
9 -rasm . a - a d ia b a tik ja ra y o n n in g
P -v
d ia g ra m m a si; b
- ad iab atik
ja ra y o n n in g T -s d ia g ra m m a si
32
3. Ichki e n e rg iy a n in g o 'zg arish i:
Am + / = 0,
Au = cv
(T
2
- Tj)
(69)
4. J a ra y o n n in g ishi:
' = - ^ T( T i - r 2) = - A T ( ^
1
- P
2
r 2)
(70)
5. J a ra y o n n in g
issiqligi
^ =
0
6
. E n tro p iy a n in g o 'z g a ris h i
As = 0
J a ra y o n n i tah lili sh u n i k o 'rsa ta d ik i, b u
ja ra y o n d a ish ichki
e n e rg iy a n in g o 'z g a ris h i hiso b ig a a m a lg a o sh irilad i.
15-§. P o litro p ik jarayon
1. J a ra y o n n in g tenglam asi.
pp" = co n st
и =±°o o 'z g a ra d i.
T e n g la m a n i k eltirib c h iq a rish u c h u n te rm o d in a m ik a n in g b i
rin ch i q o n u n in in g h a m ichki e n e rg iy a n in g o 'z g a ris h i y o rd a m id a
y ozilishi ifodasini k o 'ram iz:
dq = cndT = cvdT + Pdv
(71)
dq = cndT
=
C pdT -vdP
(72)
(71) n i (72) ga b o 'lam iz:
(cn - cv )dT _ vdP
•
_
n - k
(cn - c P )d T ~ ~ ~ P c b ' Cn ~ Су ~ ^ T
b u y e rd a ,
cn -
p o litro p ik ja ra y o n n in g issiqlik sig'im i.
c „ - c y _
v dP
cn -C p
P dv
C”
Cy = n
d e b b elg ilasak ,
(n
- p o litro p ik k o 'rsa tk ic h )
Cp
v a (73) ifo d a n i in tegrallaym iz:
33
u n d a n ,
Pvtl
= const hosil b o 'la d i, u s h b u ifo d a p o litro p ik ja ra y o n
n in g te n g la m a si deyiladi.
2. P a ra m e trla r o ra s id a g i b o g 'lan ish .
B osim va h ajm o ra sid a g i b o g 'lan ish :
Pi
[ v2
H a ro ra t va h a jm o ra sid a g i b o g 'lan ish :
vH-l
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