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Kursach(172)

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1. ????? ???? ???????? ????????.
??????????? ????????????? ????? ?????? ?????, ??? ??????????? ??????? ???????? ? ????????? ?????, ??????????? ??? ??????????? ??????????? ??? ?? ?????.
??????? 1.
???????? ????? ??? ???????? ???????????. ??? ???????:
I-I - ??????????-?????? ???????;
II-II - ??????????-?????? ???????.
??????? 2.
??? ????????? ???? ?????????? ????????????? ?????????? ????????????? ????? ??????.
I-I - ??????????-?????? ???????.
???????? ????:
??????? 3.
II-II - ??????????-?????? ???????.
???????? ????:
??????? 4.
?????????? ?????????????? ?????????, ??????????? ?????????? ??????? ??????? ? ??????????? ?? ?????? ????.
I-I P_y*A+P_x*b=P_???*d
II-II P_y*A+P_x*(b+S+a)=P_???*z
???????????? ????????? ????????? ???????????? ???, ??????????? ?? ?????, ????????? ??????? ???????.
?c=|�(A&b@A&b+S+a)|=A*(b+S+a)-b*A
?y=|�(P_???*d&b@P_???*z&b+S+a)|=?(P?_???*d)*(R+S+a)-(P_???*z)*R
?x=|�(A&P_???*d@A&P_???*z)|=(P_???*d)*A-?(P?_???*z)*A
???????????? ????????? ???????? ? ????:
P_y=(P_???*d)*(b+S+a)/(A*(b+S+a)-b*A)-?(P?_???*z)*b/(A(b+S+a)-b*A)
P_x=?(P?_???*z)*A/(A*(b+S+a)-b*A)-(P_???*d)*A/(A*(b+S+a)-b*A)
??????? ? ?????????????? ????? ???????, ??????? ????????? ????????? ?????? ?????? ? ?????????? ? ??????????? ?? ??????? ????????? ????????, ???????????? ????????? ????????????????? ???????.
z = const d = var
S = var b = var
A = var a = const
a_y=(d*(b+S+a))/(A*(b+S+a)-b*A)=(d*(b+S+a))/?c
�_y=(z*b)/(A*(b+S+a)-b*A)=(z*b)/?c
a_x=(z*A)/(A*(b+S+a)-b*A)=(z*A)/?c
�_x=(d*A)/(A*(b+S+a)-b*A)=(d*A)/?c
??????? 1.
S'dbAd/4 b/4A/40120200250305062,510124188260314765201281682683242673013014828432,537714013212829233327350128108300322775601268830831,52277701226831230,517788011644316291179901122432028680100104031826079,5110100-3631625-97912096-6031224-157813088-9230422-237614084-12029621-307415080-16028020-4070
????????? ????????? ????????? ????????????? ?????????, ???????????? ?? ? ?????? ??????? ???????.
??????? 2.
S'ay�yax�x00,5810526320,4210526320,526315790,12631579100,5723076920,3846153850,531914890,13191489200,5638902260,3370245550,537634410,13763441300,5313839560,2832210660,543478260,14130435400,5156405240,2408550350,549450550,14505495500,4778666670,20,555555560,14222222600,4495403470,1605136440,561797750,14157303700,4212412590,1238344990,568181820,13863636800,3856540080,0800232790,574712640,13333333900,3597674420,0436046510,581395350,130232561000,32704402500,588235290,122352941100,302893309-0,0678119350,59523810,119047621200,28544949-0,1158480070,602409640,115662651300,256996149-0,1845314510,60975610,107317071400,241741742-0,250250250,617283950,10370371500,228571429-0,3571428570,6250,1
2. ?????? ????????????? ??????????.
?????? ????????????? ????????????? ????????????? ???? ??? ???????????? ?????????? ????? ???????????? ? ????? ??????? ????????? ? ??????????? ? ??????????? ??????????????? ?????????????, ??????????????? ??? ?????????????????.
??? ????????? ??????? ?????????? ?????? ???:
???? ???????? ??????-3000
?????? ??????-50??
R0=500 ??
?????????? ?????? ?????????? ????? ??? ????????? ????????? ???????:
S=150??
2*p*R=150
6,28*R=150
R=150/6,28
R=23,8??
????????? ????????????? ???????? ????? ???????, ????? ??????????? U???=f(S) ???? ??????????? ????????:
R0=500??
R_0/R_H =0,01R0=0,01*RH
R_H=R_0/0,01=50000 ??
???????????? ? ?????? ??????, ?? ??????? ?????????? ??????????? U???=f(S) ? ?????? 5% ?????? ?? ???? ????????:
U???=27?
U_???=U_???*x/l=27*1=27?
?? ????? ????????? ????????? ??? ????????? ??????? ????????? ??? ?????????, ??????????? ?? ??????? ????????????????? ?????????, ????????? ????????? ???????????: I_???=U_???/R_H ; h_max=s*I_max. ????????? ??? ?????????.
I_???=U_???/R_H =27/50000=0,54 ??
Imax<I???
0,54 ?? < 2 ??
??? ????????? IV.
hmax=s*Imax=116*0,54=62,7 ??
?????????? ????????? ???????, ???????????? ????????? ????????.
????????????? ??????????? ????????? 150 ??.
??? ??????? 2 ???????? ???????? ?????????? ???? ??????????? ? ??????????? ?? ?????????? ?????????.
I_max=U_???*(R_1 ?*R?_2)/((R_?+R_? )*4*R^2 )
I_max=U_???*(K_?*e)/(2*R_? )=27*(2*0,05)/(2*150)=9??
?????????? ??? ?????????:
Imax<I???
9??<15??
??? ????????? III.
hmax=s*Imax=9*8,3=74,7 ??
3. ?????? ??????????? ??????????? ???.
??? ?????????? ???????????? ??? ???????? ??????? ??? ?? ??????????? ? ???????????? ????.
P_y=P_???*a_y-P_???*�_y
P_???=K_1*h_1 K_i - ?????????????? ??????????? P_???=K_2*h_2 h_i - ?????????? ?/??????
P_y=K_1*h_1*a_y-K_2*h_(2*)*�_y~2,72%
??? ??????? ?? ?????????? ?????? ????????? ???, ??????????? ?? ??????, ????????? ? ????????? ?????????? ? ??? ?????????, ???????? ? ???, ???????????? ????????????????. ? ???????????? ? ???? ??????? ????????? ??????? ?????????? ??????????? ???? Py.
???????? ?????????? ????????? ? ???????? ??????? ? ????:
P_y=(?P_y)/P_y =(?K_T)/K+?h/h+?a/a
(?K_T)/K=?P/P+?h/h+?c/c
(?P_y)/P_y =?P/P+(2*?h)/h+(2*?a)/a
P=8000?? ?h=0,5??
?P=10?? h=74
?P/P=10/8000=0,0012?0,12%
(2*?h)/h=1/74=0,0135?1,3%
(2*?a)/a=2/150=0,0133?1,3%
(?P_y)/P_y =2,72%
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