THE EFFECT OF DOUBLE VENTURI'S STRUCTURAL PARAMETERS ON THE REINFORCEMENT VALUE AND FLOW COEFFICIENT
Journal Title: Metrology and Measurement Systems - Year 2008, Vol 15, Issue 3
Abstract
Reinforcement factor of a double Venturi is one of the more important parameters related to sensor shape and structure. The evaluation and the effect of the double Venturi's structural parameters on its value were carried out by means of the regression equation obtained from numerical simulation tests conducted by means of the Fluent program and planned experimental techniques. The presented test results indicate that the largest effect on reinforcement, within the tested field, was the throat diameter of the internal Venturi and the diffuser length of the external Venturi. The second important parameter of a double Venturi is the flow coeffcient K. The analysis of construction parameters was also carried out by means of the regression equation. The parameters which, when enlarged, cause the reduction in the flow coeffcient (K) range are: the diffuser length of the external Venturi, and the first-degree interaction between the internal diffuser length and the internal Venturi's throat diameter. Simulation test results and conclusions have been supported by experimental results.
Authors and Affiliations
ANTONI GONDEK, TADEUSZ FILICIAK
Keywords
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