1. , , t0 = -10 , tK = ta = 25 , t = 150 .
2. , t0 = -20 , tB2 = to c = 20 tBl = 25, ts = 145 , Δt = 5 .
3. , t = 130 , tK= ta = 25 , t0 = -10 , ή =0,5.
4. , : t0 = -15 0, tHl = 1 t2 = - 8, t = 100 , to c = 20 . = 0,4.
5. , t = -20 , tK = 25 , t = 20 , t = 100 .
6. Q0 = 1500. tH2 = -15 ( t1 = -10), tB2 = 20 tBl = 30. = 0,6. Δt = 5, Δt = 5, Δt = 5, Δt = 8, Δt = Δt = 10, Δt = 15 .
, , , .
7. : Q = 750, t2 = -35 ( t1 = -15), tB2 = 20 0 tBl = 25, ts = 179, , , Δt = Δt = Δt = 5, Δt = 9, Δt = Δt = 10, Δt = 15. , h, ξ-, , , .
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8. Q0 = 106 / = 1163 . t1 =-18 t2 = -25 , , t2 = 20, t1 = 30 , ts = 158 ( = 0,6 ). Δt = 3, Δt = Δt = 5, Δt = 8, Δt = 8, Δt = 10, Δ t = t2 t1= 15.
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