<abstract xmlns="http://www.w3.org/1999/xhtml"><p> In order to solve the dilemma between the smaller pressure loss and the larger flow measurement signal in traditional throttle flowmeters, a throttle structure with the inner-outer tube was designed and analyzed. The mathematical relationship model deduced from hydrodynamics showed there were three major parameters to determine the designed throttle structure. Furthermore, the optimal results were achieved by combining orthogonal test design and computational fluid dynamics by taking the ratio of differential pressure of inner-outer tube divided by that of anterior-posterior tube as the optimization goal. Finally, the simulation results with the best level parameters showed that the differential pressure of the anterior-posterior throttle could remain not only the smaller value among other parameters with the same structure of inner-outer tube. On the other hand, it was about one order magnitude less than differential pressure of V-cone flowmeter in the similar installation conditions with the flow velocity varying from 0.5 to 3.0 m/s. The designed inner-outer tube flowmeter can not only save manufacture costs, but also avoid the large sensitivity of pressure sensors, which may lead to a broader application in chemical and petrochemical enterprises.</p></abstract>

In order to solve the dilemma between the smaller pressure loss and the larger flow measurement signal in traditional throttle flowmeters, a throttle structure with the inner-outer tube was designed and analyzed. The mathematical relationship model deduced from hydrodynamics showed there were three major parameters to determine the designed throttle structure. Furthermore, the optimal results were achieved by combining orthogonal test design and computational fluid dynamics by taking the ratio of differential pressure of inner-outer tube divided by that of anterior-posterior tube as the optimization goal. Finally, the simulation results with the best level parameters showed that the differential pressure of the anterior-posterior throttle could remain not only the smaller value among other parameters with the same structure of inner-outer tube. On the other hand, it was about one order magnitude less than differential pressure of V-cone flowmeter in the similar installation conditions with the flow velocity varying from 0.5 to 3.0 m/s. The designed inner-outer tube flowmeter can not only save manufacture costs, but also avoid the large sensitivity of pressure sensors, which may lead to a broader application in chemical and petrochemical enterprises.

Simulation and Optimization of Throttle Flowmeter with Inner-Outer Tube Element

School of Mechanical & Power Engineering, North University of China, Taiyuan, 030051,

School of Computer Science & Control Engineering, North University of China, Taiyuan, 030051,

School of Mechatronic Engineering, North University of China, Taiyuan, 030051,

Measurement Science Review

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

{"article-title":"Simulation and Optimization of Throttle Flowmeter with Inner-Outer Tube Element"}

In order to solve the dilemma between the smaller pressure loss and the larger flow measurement signal in traditional throttle flowmeters, a throttle structure...

Simulation and Optimization of Throttle Flowmeter with Inner-Outer Tube Element

Published Online: Apr 26, 2017

Page range: 68 - 75

Received: Nov 11, 2016

Accepted: Mar 13, 2017

DOI: https://doi.org/10.1515/msr-2017-0009

Keywords
Throttle flowmeter, inner-outer tube, pressure loss, range analysis, computational fluid dynamics

© by Jiang Meng

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Simulation and Optimization of Throttle Flowmeter with Inner-Outer Tube Element

Published Online: Apr 26, 2017

Page range: 68 - 75

Received: Nov 11, 2016

Accepted: Mar 13, 2017

DOI: https://doi.org/10.1515/msr-2017-0009

KeywordsThrottle flowmeter, inner-outer tube, pressure loss, range analysis, computational fluid dynamics

© by Jiang Meng

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Keywords
Throttle flowmeter, inner-outer tube, pressure loss, range analysis, computational fluid dynamics