Determination of the constant pressure loss for a new segmented orifice with an inclined inflow plane
Marcin Heronimczak, Andrzej Mrowiec, Mariusz Rząsa, Krzysztof Koszela, Piotr Nowaczyk
TL;DR
This study introduces a new orifice design with an inclined inflow that reduces pressure loss and improves flow measurement efficiency.
Contribution
The first experimental determination of pressure loss ratio for a segmented orifice with an inclined inflow plane.
Findings
A 60° inclination reduces permanent pressure loss by up to 4.9% compared to conventional 90° orifices.
The inclined design improves flow stability and measurement reliability.
The new orifice is a cost-effective and energy-efficient alternative for industrial flow measurement.
Abstract
A key innovation of this study is the first-ever experimental determination of the ratio of permanent to total differential pressure loss (Δploss/Δp) for a segmented orifice with an inclined inflow plane—a geometry not standardized in any current measurement norms. While previous investigations by the authors focused on flow characteristics, this paper uniquely quantifies energy-related pressure losses, showing that a 60° inclination reduces permanent pressure loss by up to 4.9% compared to conventional 90° orifices. A combined experimental and numerical approach was applied to evaluate three orifice geometries with water as the working fluid. CFD simulations using the Transition SST model guided the optimization of pressure tapping locations. The results indicate that the inclined design improves flow stability and measurement reliability while reducing pressure losses. The findings…
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Taxonomy
TopicsFlow Measurement and Analysis · Water Systems and Optimization · Advanced Sensor Technologies Research