Δ, . . Δ ., . ,
Δ = Δ + 2 Δ . (4.28)
, , , , :
(4.29)
= Δ + . ΔQ , , ,;
.. , 0,02 / , , .. = 0,1÷0,15 / 10-6/0,4 , .
, ,
Δ' = Δ . + .. ΔQ (4.30)
I u%, ( )
ΔQ = ΔQ = ; ΔQ . = ΔQ =
ΔQT = ΔQ + ΔQ ≈ , (4.31)
, , , . . , , ,
, (4.32)
N , .
. , τ, , [20]
τ = (0,124+/10000)2 8760, (4.33)
,
ΔW = N x. T + P Ƿ τ (4.34)
N- ,
- .
, , , .
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