?????? ?????
??????
??? ??? ?? ????? ??? ????? ???? ?? ??? ???? ????? ?? ???? ?? ???? ?????? ???? ????? . ?? ????? ????? ?? ???? ????? ??? ? ???????? ? ???? ?????? ????. ?????? ????? ???? ???? ????? ????? ??? ??? ? ?? ??? ?? ???? ?? ??????? ??? ? ??????? ?? ????? ???? ?? ???????? ??? . ???? ?? ??? ???? ?? ????? ?? ??? ?? ???? ??? ???? ????? ??? ?? ?????? ????? ???? ????? ??? ????? ?????? ??????? ? ????? ???? ???? ? ?? ???? ???? ???? ??? ???. ?????? ?????? ???? ???? ??? ?? ???? ??????? ???? ?? ???? ????? ??? ????? ?? ???? ? ???? ????? ????? ??? ????? ? ??????? ???? ? ...????? ???? ?? ????.
????????? ?????? ???? ?????? ???? ??? ?? ??? ????? ?? ?????? ?? ????? ??? ????? ????.
- ??? ??????? ???? Positive Displacement
- ??????? ???? Orifice Plate
- ?????? ?? ??? ??????
- ??? ??????? Turbine
- ??????? (variable area)
- ?????? ?????????? ?? ????? ????? Ultrasonic: Doppler
- ?????? ?????????????? Magnetic
- ????? Vortex Shedding
- ?????? ????? ???????? ??? Weir and Flume Open channel
- ???????? Coriolis
- ?? ?????? ?????? Thermal Mass
- ????? Pitot Tube
?? ????? ?? ??? ?????? ?? ?????? ?? ?????????
??? ??????? ???? Positive Displacement (flow meter)
?????? ??? ????? ????? ??? ?? ??? ???? ??? ???? ?? ???? ????? ???? ? ????? ?? ????? ???? ?? ?????? ???? ? ????? ??????. ? ????? ???? ???? ?? ????????? ???? ???? ???? ?????? ????? .
??????? ???? Orifice Plate
?????? ?? ??? ?????? (??? ??? – flowmeter – flow meter ) ?? ????? ???? ? ?? ?????? ???? ?????? ?????? ???? ???? ?????? ????? ???? ?????? ??? ??????? ???? Orifice Plate?????? . ?????? ???? ?????? ?? ???? ?? ????? ?????? ??? ?? ???? ????? ????? ? ?????? ???? ?????? ???? ?? ??? ???? ????? ?????? ???? ???? ???? ? ?? ????? ?? ??? ? ????? ????? ????? ???? ? ????????? ?????? .
??? ??????? Turbine
?? ?????? (??? ??? – flowmeter – flow meter ) ??????? ???? ?????? ???? ???? ???? ????? ????? ?? ????????? ????? ?????? ??????? ??? . ??? ??? ??? ?? ?? ?????? ? ??????? ????? ?? ????? ??? ?? ????? ??? ?????? ?? ?????? ????? ????? ??? ??? ? ????? ?? ???? ???? ????? ? ??????? ???? ???? ??????? ???? ?????? . ?????? ???? ?? ????????? (??? ??? – flowmeter – flow meter ) ?????????????? ??????? ?? ??????? ???? ?? ??? ????? ???? ???????.
??????? (variable area)
????? ??? ??? ????? ?? ??????? ?????? ????????? ??? ??????? (??? ??? – flowmeter – flow meter ) ?????? ???? ? ?????? ?????? ? ?? ????? ???? ??? ?? ?????? ????? ?? ???? ????? ?? ?? ???? ???? ????? ????? ????? ??? ???? ?????? .
?? ???? ?? ??? ?? ??? ??????(??? ??? – flowmeter – flow meter ) ????? ???? ???? ???? ??? (??? ??? – flowmeter – flow meter ) ? ?? ????? ??????? ????? ???? ?? ??? ????? ??????? ??????.
?????? ???? ???? ??? ?? ???? ??????? ??? ?????? ?? ??? ????? ?? ?? ???? ???? ????? ?? ?????? ??????? ?? ??? ???? ???? ??????? ?????? .??? ?????? ?? (??? ??? – flowmeter – flow meter ) ?????? ?? ???? ???? ? ?? ??????? ????? ??? ????? ? ???? ??????? ?????? ?? ?? ???? ? ?? ???? ??? ????? ???? ??????? ???? ?????? ? ???? ??????? ?????? ???? ????? ????? ?? ?? ?? ?? ? ?? ????? ?????? ???? ???? ?????? ?????? ?????? ????.
?????? ?????????? ?? ????? ????? Ultrasonic: Doppler
?????? (??? ??? – flowmeter – flow meter ) ?????????? ?? ??? ???? ?????? ? .... Ultrasonic: Transit Time, Time of Travel, Time of Flight
????? ?????? ?????????? ?? ??????????? ????? ???? ?????? ???? ???? ?? ?????? ???? ??????? ???? ??????? ? ?? ????? ??? ?????? ???? ??????? ?????? ???? ?????? ?????? ????? . ??? ????????? (??? ??? – flowmeter – flow meter ) ?? ??????? ?? ?????? ????? ?? ????? ? ????? ????? ??????? ?? ???? ?? ??? ??? ? ?????? ????? ? ?????? ??? ?????? ?????? ?????? ?????? ???? ???? ???? ?? ?? ????? ?????? ??? ???? ?? ?????? ? ????? ?? ?????? ?????? ????? .
?????? ?????????????? Magnetic
????????? (??? ??? – flowmeter – flow meter ) ???????? ?? ???? ?? ???????? ???? ? ????? ???? ????? ?????????????? ?? ???? ?? ???? ?? ?? ?????? ?? ????? ???? ?? ? ???? ????? ?????? ????? . ?? ????? ????? ????? ??? ?? ????? ??? ?????? (??? ??? – flowmeter – flow meter ) ???? ???? ? ?????? ?? ?? ?? ??? ???? ? ?????????? ?? ?? ??? ????? ?????.
????? Vortex Shedding
?? ????????? (??? ??? – flowmeter – flow meter ) ????? ???? ?????? ???? ????? ?????? ? ??? ?????? ?? ????????? ???? ???? ???? ? ??? ??? ? ?????? ?? ???? ???? ?????? ??????? ???. ??????? ??? ??? ?????? (??? ??? – flowmeter – flow meter ) ?? ???? ?????? ?? ?????? ?????? ???? ??????? ????? ??? ?? ??? ??????? ?????? ???? ?? ?? ?????? ?? ????? ?? ???? ???? ??? ?? ???? ?????? .
?????? ????? ???????? ??? Weir and Flume Open channel
???? ?????? ???? ??? ????? ???? ????? ?? ????? ??? ????? ? ??????? ??? ?? ????? ???????? ?? ??? ???? ? ?????? ???? ??? ???? ?????? ????? ??? ?? ?? ?????? ???? ????.
???????? Coriolis
????????? (??? ??? – flowmeter – flow meter ) ???????? ?? ???????? ? ???????? ????? ??? ??? ????? ???????. ?? ?????? ?? ?????? ???? ????? ?????? ???? ?? ??? ???? ???? ?????? . ?????? ???????? ????? ?? ??? ?????? (??? ??? – flowmeter – flow meter ) ?? ??????? ??? ??? ? ????? ???? ?? ??? ?????? ???? ?? ????? ???? ???? ?????? ? ?????? ???? ?????? ???? ???? ? ???? ???? ???? ? ??????? ?????? .
?? ?????? ?????? Thermal Mass
????????? (??? ??? – flowmeter – flow meter ) ????? ?? ?? ????? ?? ???? ?? ????? ?? ?????? ???? ???? ?? ?? ?????? ???? ????? ????? ??? ?????? ???? ??????? ?? ???????? ?? ????? ?? ???? ? ??? ?? ????? ?????? ???? ???? ?? ????? ????? ?? ??? ?? ????? ??? ???? ????? ?? ???? ?? ??? ????? ???? ???? ??? ?? ?????? ???? ?????
????? Pitot Tube
???? ?????? ???? ??? ???????? ????? ? ????? ?? ????? HVAC ?? ?????? ? ??????? ?? ?????? ????? ???? ?? ???? ??? ?? ?? ???? ?? ??? ?? ?? ?? ???? ??? ????? ???? ???? ?? ????? ?? ???? ????? ?? ?? ??? ??? ???? ?????? ??????? ?? ??? .