Measurement of high water-cut heavy oil flow based on differential pressure of swirling flow
Sign Up to like & getrecommendations! Published in 2024 at "Physics of Fluids"
DOI: 10.1063/5.0185261
Abstract: Real-time measurement of heavy oil production is critical to ensure stable production. Due to the complex kinematic characteristics of heavy oil, existing methods cannot accurately measure its flow rate and water cut. In this paper,… read more here.
Keywords: water; water cut; differential pressure; flow ... See more keywords
Low-flow measurement of oil–water two-phase flow based on the dynamic swirling differential pressure method
Sign Up to like & getrecommendations! Published in 2025 at "Physics of Fluids"
DOI: 10.1063/5.0260550
Abstract: With the ongoing development of oilfield production, real-time monitoring of wellbore flow rates has become a crucial indicator for evaluating oilfield efficiency. However, under low-flow conditions, the sensitivity of differential pressure is insufficient, and existing… read more here.
Keywords: water; oil water; oil; differential pressure ... See more keywords
Neural Network-Based Airflow Vector Sensor Using Multiple MEMS Differential Pressure Sensors
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Access"
DOI: 10.1109/access.2023.3270306
Abstract: As airflow information is significant in various fields, several airflow measurement devices have been developed. Differential pressure (DP)-type sensors, including pitot tubes, are extensively used because they can directly measure dynamic pressure due to airflow.… read more here.
Keywords: neural network; network; differential pressure; model ... See more keywords
Water Holdup Measurement of Gas-Liquid Flows Using Distributed Differential Pressure Sensors
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Sensors Journal"
DOI: 10.1109/jsen.2020.3019602
Abstract: In order to reduce the measurement error caused by non-uniform distribution of dispersed phase, distributed differential pressure sensors are used to measure the pressure drop of gas-liquid flows in small diameter pipe. Water holdup in… read more here.
Keywords: water; differential pressure; distributed differential; water holdup ... See more keywords
Void Fraction Measurement Based on Flow Noise Decoupling and Differential Pressure
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Instrumentation and Measurement"
DOI: 10.1109/tim.2022.3151153
Abstract: Void fraction is essential for calculating the mixture density of the two-phase flow and the friction pressure drop and analyzing the flow state in the pipe. It is difficult to measure the void fraction of… read more here.
Keywords: void fraction; measurement; flow noise; differential pressure ... See more keywords
Rapid On-Line and Non-Invasive Flow Rate Measurement of Gas–Liquid Slug Flow Based Only on Basic Differential Pressure Fluctuations
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Transactions on Instrumentation and Measurement"
DOI: 10.1109/tim.2023.3239623
Abstract: The gas–liquid two-phase flow is widely encountered in many industrial applications, and its on-line and non-separation flow rate measurement for each phase has plagued the industry for many years. Based on the one-to-one correspondence between… read more here.
Keywords: differential pressure; flow rate; gas liquid; flow ... See more keywords
Measurement of Oil-Gas–Water Flows Using a Distributed Conductance and Differential Pressure Dual-Modal Sensing System
Sign Up to like & getrecommendations! Published in 2025 at "IEEE Transactions on Instrumentation and Measurement"
DOI: 10.1109/tim.2024.3502783
Abstract: This study proposes a distributed conductance and differential pressure dual-modal sensing system to reduce the reliance on a single mode on homogeneous flow patterns. The difficulty of estimating three-phase flow parameters for nonuniform, asymmetric profiles… read more here.
Keywords: pressure; distributed conductance; differential pressure; conductance ... See more keywords
Modeling Analysis and experimental verification of tri-axial differential pressure vector hydrophones based on piezoelectric MEMS arrayed sensors
Sign Up to like & getrecommendations! Published in 2025 at "IEEE Transactions on Instrumentation and Measurement"
DOI: 10.1109/tim.2025.3627354
Abstract: This article proposes a tri-axial acoustic differential pressure vector hydrophone (DPVH), which consists of three pairs of piezoelectric micro-electro-mechanical system (MEMS) sensors. The presented sensors are designed and fabricated using the aluminum nitride (AIN)-on-CSOI MEMS… read more here.
Keywords: pressure; inline formula; tri axial; differential pressure ... See more keywords
Performances analysis of a novel load-sensing hydraulic system with overriding differential pressure control
Sign Up to like & getrecommendations! Published in 2017 at "Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science"
DOI: 10.1177/0954406216667760
Abstract: The traditional load-sensing hydraulic system is an energy-saving fluid power transmission, which supply “on-demand” flow at a prescribed pressure margin greater than the highest load pressure of the system. In this paper, a novel load-sensing… read more here.
Keywords: system; load sensing; differential pressure; overriding differential ... See more keywords
Maintaining differential pressure gradients does not increase safety inside modern BSL-4 laboratories
Sign Up to like & getrecommendations! Published in 2022 at "Frontiers in Bioengineering and Biotechnology"
DOI: 10.3389/fbioe.2022.953675
Abstract: This article discusses a previously unrecognized contradiction in the design of biosafety level-4 (BSL-4) suit laboratories, also known as maximum or high containment laboratories. For decades, it is suggested that both directional airflow and pressure… read more here.
Keywords: differential pressure; safety; bsl laboratories; pressure ... See more keywords
A Technique for Rapid Bacterial-Density Enumeration through Membrane Filtration and Differential Pressure Measurements
Sign Up to like & getrecommendations! Published in 2022 at "Micromachines"
DOI: 10.3390/mi13081198
Abstract: In this article, we present a microfluidic technique for the rapid enumeration of bacterial density with a syringe filter to trap bacteria and the quantification of the bacterial density through pressure difference measurement across the… read more here.
Keywords: differential pressure; density; technique rapid; membrane ... See more keywords