0102030405
?????????????? ????? ??????? ???? |
2024-09-14
?????????????? ???? |??? ?? ?????? ??????? ?????? ????? ??????? ???? ?????????????? ????? ???? ?????? |
???????????? ????? |?????????????? ???? |??? ????? ??????? ??? ????? ??????? ???? ??? ????????:
??? basic ??? ???
1.1 ???? ???? |
- ???????: ????, ????????? ??????, ?????? ??????? ??????? |
- ???????: ??????? a ?? ??????? ??????, ??? ?????? ?????? ??? ?????????? ???? ??????? ??? |
1.2 ???????? |
- ???????: ????, ????????? ??????, ?????? ??????? ??????? |
- ???????: ???????? ????? |?????????????? ???? |??? ??????????? ??????? three ???? ???????? ??????: ????, ??????-???? ??? ???? |
- ???? ??????: ???? ??????? ??? ?????? ???? ?????? ??? ??????? 5 5-12 ??????? |
1.3 ????
- ???????: ???? ????? ?????? ?????? ????????? ?????? |
- ???????: ????? ?????? ???? ???? ??? ???????? ?? ????? ?????? |
1.4 ???? ????? |
- ????? ?????? |: ????????? ???? ?????? ??????? ???? |
- ???????: ??? ??????? ??????? |
1.5 ?????? |
- ????? ?????? |: ????? ?????? ?????? ???????? ?????? |
- ???????: ??????? ?????? ??? ??? ????? ????? ??? |
????????? ????
2.1 ??? ???? ?????? ?????? ??? |
- ?? ?????? ?????? |: ??? ?????? ???? ?????? ?????? ????? ???????? ?????? ???, ??????? the ????? ????? ??? ????? ???? ???????? |
- ?? ?????? ????? |: ???? ????????????? ??? ??????? ???????? ???? ?????? |
2.2 ???????? ??? ???????? ?????????? ??? |
- ???????? ??? |: ???? ??????? ??? ?????? ???? ?????? ??? ??????? 14 1450 RPM ?????? 2900 RPM (????? ??????? ??????) |
- ?????????????? ????? |: ???????? ???? ?????? ????? ???? ????? ???????? ??? ??? ?????????????? ????? ?????? ??? ?????????? ??? |
3.3 ???? ????? ??????? ??? ???????? ??? |
- ???? ??????? |: ?????? ??? ??????? ?????? ??????? ???? ??????? ???????? ??? ??? ???? ????? ??????? ????? ?????? ??? |
- ????????? ??????? |: ??????? ? ??????? ???? ???? ??????? ??? ??????? ????? ??????? ??????? ??? |
4.4 ???? ?????? ?????? ??? |
- ?? ??????? ?????? |: ??? ?????? ???????? ????? ????? ??? ??? ??????? ????? ???, ??? ???? ??????? ????? ???????? ???? ?????? ?????? ??? |
- ??????? ?????: ???? ????????????? ??? ??????? ???????? ???? ?????? |
3????? ???????? ????????? |
3.1 ???? ????? ???????? |
- ???????? ????? |: ??? ??????? ??????? ?????? ???? ????? ??? ???, ??? ???? ??? ? increases ? |
- ???? ????? ????? |:( E_k = \ frac {1} {2} mv ^ 2)
- (E_k): ???? ????? |
- (??): ??? ?????? |
- (v): ??? ??? |
3.2 ??? ????? ???????? |
- ????????? ????? |: ??? ???????? ????? ???, ??? ???? ????? ??? ??????? ????? ??? |
- ??????? ?????? |(P + \ frac {1} {2} \ rho v ^ 2 + \ rho gh = \ ????? {?????})
- (P): ??? |
- (\ rho): ??? ???? |
- (v): ??? ??? |
- (?): ??????????? ????? |
- (?): ?????? |
4????????????? ????????????? |
4.1 ?????? (Q)
- ??????:?????????????? ???? |????? ?????? ??? ???? ?????????? ??? ?????? |
- ???: ??????? ?? ???? (m3 / h) ?????? ????? ????????? ???? (L / s) |
- ?????: ???? ???? ??? ?????? ???? ?????? ??? ??????? 10 10-5000 m3 / h |
4.2 ????? (H)
- ??????:?????????????? ???? |???? ?????? ? to ?????? ????? |
- ???: ???? (??)
- ?????: ???? ???? ??? ?????? ???? ?????? ??? ??????? 10 10-150 ???? |
4.3 ????? (P)
- ??????:?????????????? ???? |???? ????? |
- ???: ??????? (kW)
- ???? ?????:( P = \ frac {Q \ times H} {102 \ times \ eta})
- (???): ?????? ??? (m3 / h)
- (H): ????? (??)
- (\ eta): ????? ?????? (??????? 0.6 0.6-0.8)
4.4 ?????? (η)
- ??????: ????? ????? ???????? ?????? |
- ???: ????? (%)
- ?????: ???? ??????? ??? ?????? ???? ?????? ??? ??????? 60 60% -85% |
5????? ????? |
5.1 ?????????????? ?? ????? |
- ??????? ?????? |: ???? ?? ????? ?????????? ??????? ????? ?????? ??????? |
- ??????: ??????? 500 500-3000 m3 / h
- ??????? |: ??????? 30 30-100 ???? |
5.2 ????? ?? ????? |
- ??????? ?????? |: ????? ????????? ????? ?? ??????? ????????? ??????? ??? |
- ??????: ??????? 200 200-2000 m3 / h
- ??????? |: ??????? 20 20-80 ???? |
5.3 ???? ?????? |
- ??????? ?????? |: ??? ???? ???? ??????? ???? ?????? ???????? |
- ??????: ??????? 100 100-1500 m3 / h
- ??????? |: ??????? 10 10-50 ???? |
5.4 ??????? ?? ?????
- ??????? ?????? |: ???? ???? ????? ?? ????? ?????????? ??????? ??? |
- ??????: ??????? 50 50-1000 m3 / ????? |
- ??????? |: ??????? 20 20-70 ???? |
??? ??????? ???? ??? ???????? ???? ?? ????? ?? understanding ???? ??????? |?????????????? ???? |???? ??????? ???? ??? ??????? ???????? ???? ????????????? ??? ??? ???? |