- ( 3), (, , .). .
, .
( ) .
W N q , ( ):
W t = N q , /.
:
N = 3600/ t ,
t , ;
3600 1 , 1 , .
W t = 3600 q / t , /.
- . . ; , ; ; .
, . , . .
- . ( , ) , , . , .
, , , . ., . , ( ), .
() :
t () = h () / V (), ,
h () (), ;
V () (), /.
:
t = 60α/360ω = α/6ω, ,
|
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α , ;
ω , /;
60 ( );
360 ( ).
:
t = l / V , ,
l , , ;
V , /.
. , q = 1 : 10 , h () =1,6 V () = 8 / l = 22 V =10 /.
. :
t = t + t + t + t + t + t ,
t , t , t = t = 10 ;
t , t , t = t =1,6∙60 / 8 = 12 ;
t t , t = t = 22∙3600 / 10∙1000 ≈ 8 .
t = 10 + 12 + 8 + 10 + 12 + 8 = 60 .
W t = 3600∙1 / 60 = 60 /.
, 3/ :
W t = 3600 V / t , 3/,
V , 3.
ρ:
W t = 3600 V ρ / t , /.
- .
(, , ) () :
W t = 3600 V q / a, /,
V ( ), /;
q , ;
a , .
:
W t = 3600 V V k / a, 3/ W t = 3600 V V k ρ / a, /.
. V k = 0,018 3, a= 35 , V = 0,62 /.
. , :
Wt = 3600∙0,62∙0,018 / 0,35 = 114,8 3/.
, ρ = 0,78 /3. W t= 114,8∙0,78 = 89,5 /.
:
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W = 3600 V S, 3/ W = 3600 V S ρ, /,
S , 2.
:
W = 60(π d 2 / 4) ω, 3/,
d ( ), ;
, ;
ω , /;
π 3,14....
:
W = 3600ρ μ U , /,
ρ , /3,
μ , , ;
U , 3/.
:
U b = V π d 2/4, 3/,
V - , /;
d - , .
W = 3600ρ μ V π d 2/4, /.
( 3), - . . - , , - , . .
W γ η :
W = W γ η, /.
:
η= / .
:
γ = q / q , γ = V / V ,
q , q , ;
V , V , 3.
, - . Q ( 3) ( ):
W = Q / .
, :
W t ≥ W ≥ W .
- . , .