ESDU 66030
Pressure losses in flowmetering devices.
Abstract:
ESDU 66030 gives approximate pressure loss information for a wide range of flowmeters operating under turbulent flow conditions. The data are based on information supplied by manufacturers of flowmeters and on the British Standard, B.S.1042, Part 1, 1964 on flow measurement. The information is presented in non-dimensional terms. Flowmeters are grouped into types according to operating principles and illustrated schematically in a table which acts as an index to the pressure loss data. Also indicated are typical applications of each type but flow metering performance is not considered.Indexed under:
- Differential Pressure Flowmeters
- Displacement Flowmeters
- Fan-Type Flowmeters
- Float-Type Flowmeters
- Flowmetering Devices
- Inferential Flowmeters
- Mass Flowmeters
- Meters
- Nozzle-Type Flowmeters
- Orifices
- Pressure Drop in Internal Flow
- Propeller-Type Flowmeters
- Turbine-Type Flowmeters
- Vane-Type Flowmeters
- Variable Area Flowmeters
- Venturi Tubes
Details:
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This Data Item contains 10 interactive graph(s) as listed below.
| Graph | Title |
|---|---|
| Figure 1 | Pressure loss coefficient versus area ratio (differential pressure devices) |
| Figure 2 | Pressure loss as a proportion of flowmetering pressure difference versus area ratio (differential pressure devices) |
| Figure 3 | Pressure loss coefficient versus meter entry diameter (inferential meters) |
| Figure 4a | Inferential meters - ReDa versus meter entry diameter |
| Figure 4b | Inferential meters - effect of variation of ReD - twin turbine meters |
| Figure 4c | Inferential meters - effect of variation of ReD - propeller rotor meters (D > 6 in, 0.15 m) |
| Figure 5 | Pressure loss coefficient versus meter entry diameter (displacement meters) |
| Figure 6a | Displacement meters - ReDa versus meter entry diameter |
| Figure 6b | Displacement meters - effect of variation of ReD - rotary vane meters |
| Figure 6c | Displacement meters - effect of variation of ReD - meshing rotor meters |