bundan:
Pvk = const
bu ifoda adiabatik jarayonning tenglamasi deyiladi.
Endi param etrlar orasidagi b o g ‘lanishni topamiz:
Bosim va hajm orasidagi bo g ‘lanish:
P ;vik = P:v2k
A
д
H arorat va hajm orasidagi bo g ‘lanish:
f
\
v,
A'-I
1
4 2 /
H arorat va bosim orasidagi bog ian ish :
ъ,
г,
k-\
f
P2
X T
X
Ichki energiyaning o ‘zgarishi:
Ди + / = 0, Au
= cv
(T2 — T,)
Jarayonning ishi:
к - 1
k - \
/ = с
(T — T 7) chunki
I = — A и
T
(70)
(71)
J
a)
b)
9-rasm. a) adiabatik jarayonning P- V diagrammasi;
b) adiabatik jarayonning T -C diagrammasi.
32
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J aray o n n in g
issiqligi
q = 0
E ntropiyaning o ‘zgarishi
As=0
Jarayon tahlili shuni k o ‘rsatadiki, bu jara yonda
ish ichki energiyaning
o ‘zgarishi hisobiga amalga oshiriladi.
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