, . , (T=const) -: : 
, , . ( . .). , h (. ) p=H+ 
( 13,6 , .). (l) (S). 
= 
, 
, , 
, , , ,
1. ( . .)
2. .
3. h p=H+
4. ℓ.
5. .
6. 
ℓ .
| H, . . | H, | L, | P, . . | , c | , ∆c | ε, % | |
| 1 2 3 |
1. p=H+
p1=
p2=
p3=
2. (p) (v), c=p∙ℓ ( )
c1=
c2=
c3=
3. 
=
4. 
∆c1=
∆c2=
∆c3=
5. 
∆=
6. 
ε=
:
1. ?
2. .
3. ? .
4. (v)
8
