Turbulence and its effect in measuring and regulating stations
- Welker Engineering Co., Sugar Land, TX (United States)
Turbulence in a liquid or gas piping system is almost never desirable. Unfortunately, turbulence is also almost never absent, So we must plan for it in order to minimize its effects on pipeline capacity, pressure drop, measurement error, noise, and piping vibration. Design engineers and field personnel alike are interested in keeping turbulence to a minimum, Both favor maximum throughput with the least amount of noise, By the same token, both are concerned with finding the best site for analytical instruments such as calorimeters, chromatographs, or dew point instruments, and for a steady {open_quotes}sense point{close_quotes} for control, The basic profile of turbulence is set when there is any flow at all, but at certain velocities, the naturally forming vortex can be considered relatively benign, In the greatest portion of the piping system, velocity can be controlled simply as a function of pipe area. And, if velocity can be controlled, the ferocity of the turbulence will be minimized and will offer no particular problems as, for instance, in a simple elbow or orifice plate. Certainly, any fitting or header that changes the direction of flow will cause pressure losses greater than a piece of straight pipe, but if the change occurs in a low velocity zone, it will not cause big pressure losses, vibration, or noise.
- OSTI ID:
- 146254
- Report Number(s):
- CONF-950553-; TRN: 95:007831-0016
- Resource Relation:
- Conference: International school of hydrocarbon measurement, Oklahoma City, OK (United States), 16-18 May 1995; Other Information: PBD: 1995; Related Information: Is Part Of Proceedings of the seventieth International School of Hydrocarbon Measurement; PB: 811 p.
- Country of Publication:
- United States
- Language:
- English
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