Experimental Study of a New Flow Conditioner on Disturbed Flow in Orifice Plate Metering

Author:

Ahmadi A.1

Affiliation:

1. Department of Mechanical Engineering, Iran University of Science and Technology-Arak Branch, Arak, Markazi 38181-41167, Iran

Abstract

The sensitivity to poor conditioned and swirling flow of flow measurements using an orifice plate are subjects of concern to flowmeter users and manufacturers. Measurements of mass flow rate under different conditions and different Reynolds numbers were used to establish a change in discharge coefficient relative to the standard one. The experimental results show that an optimally shaped flow conditioner could attenuate the effects of both swirl and asymmetrical flows. The optimization of the swirler flow conditioner is a main outcome of this work. So far the experimental results show that the cone swirler flow conditioner is the best one for swirling flow.

Publisher

ASME International

Subject

Mechanical Engineering

Reference18 articles.

1. BS EN ISO 5167, 2003, “Measurement of Fluid Flow by Means of Pressure Differential Devices Inserted in Circular Cross Section Conduits Running Full,” British Standards Publications.

2. Rogers, S. , 2003, “Differential Pressure,” available on www.flowcontrolnetwork.com/PastIssues/julaug1999/1.asp.

3. Flow Conditioners Design and Their Effects in Reducing Flow Metering Errors;Ouazzane;Sens. Rev.

4. Experimental Study of Aerodynamics Behaviour Downstream of the Three Flow Conditioner;Laribi

5. Reader-Harris, M. J., Hutton, S. P., and Laws, E. M., 1989, “Flow Straighteners and Flow Conditioning Devices,” Flow Measurement and Instrumentation Consortium Report No. 7.

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