Results 21 to 30 of about 3,047,500 (291)

Background-oriented schlieren (BOS) for scramjet inlet-isolator investigation [PDF]

, 2018
Background-oriented Schlieren (BOS) technique is a recently invented non-intrusive flow diagnostic method which has yet to be fully explored in its capabilities.
Idris, Azam Che, Kontis, Konstantinos, Lo, Kin Hing, Saad, Mohd Rashdan   +3 more
core   +1 more source

Study on Deliverability Evaluation of Staged Fractured Horizontal Wells in Tight Oil Reservoirs

Energies, 2021
At present, the existing deliverability evaluation models mainly consider the impact of specific factors on production, and the description of the complex fracture network structure primarily remains at the stage of an ideal dual-pore medium with uniform
Siyu Liu, Shengchun Xiong, Dingwei Weng, Peng Song, Rou Chen, Ying He, Xuewei Liu, Shasha Chu   +7 more
doaj   +1 more source

Fiscal Measurement and Oil and Gas Production Market: Increasing Reliability Using Blockchain Technology

Applied Sciences, 2022
The market of oil and gas has many particularities, once it is a natural resource of great value. Due to the fact the resource is owned by nations, it is highly regulated.
Carlos Barateiro, Alexandre Faria, Jose Farias Filho, Karolina Maggessi, Claudio Makarovsky   +4 more
doaj   +1 more source

Prediction of Flow Velocity from the Flexural Vibration of a Fluid-Conveying Pipe Using the Transfer Function Method

Applied Sciences, 2021
This study presents a method to predict the flow velocity in a fluid-conveying pipe using vibration signals from the pipe surface. The flexural vibration of a fluid pipe is investigated through wave propagation.
Wonseok Yang
doaj   +1 more source

Hierarchical confirmatory factor analysis of the flow state scale in exercise [PDF]

, 2000
In this study, we examined the factor structure and internal consistency of the Flow State Scale using responses of exercise participants.This self-report questionnaire consists of nine subscales designed to assess flow in sport and physical activity. It
Karageorghis, CI, Terry, PC, Vlachopoulos, SP   +2 more
core   +3 more sources

Development of a Measurement Device for Micro Gas Flowrate Based on Laminar Flow Element with Micro-Curved Surface

Micromachines
The laminar flow meter (LFM) boasts several advantages such as no moving parts, a wide range ratio, high measurement accuracy, quick dynamic response, etc., and is a promising technology for micro gas flow measurement.
Zixuan Wang, Ya Xu, Tiejun Liu, Zhenwei Huang, Dailiang Xie   +4 more
doaj   +1 more source

Influence of spheroidal particle shape on particle size characterization by multi-wavelength light extinction method

Results in Physics, 2018
In order to improve the applicability, spheroidal particles are substituted for the spherical particles in the traditional modeling of multi-wavelength light extinction method.
Yi Zhou, Jun Chen, Hui-nan Yang, Tan Li, Ming-xu Su   +4 more
doaj   +1 more source

Application of Ultrasonic Flowmeter in Yellow-river Irrigation Channels

Guan'gai paishui xuebao, 2023
【Objective】 As the allocation of Yellow River water for irrigation diminishes, there is a pressing need to improve irrigation management. A fundamental requirement for achieving this objective is a comprehensive understanding of water flow in each ...
WANG Xucun, WU Rong, MA Jiadong
doaj   +1 more source

Measurement of Orifice Plate Edge Sharpness

Measurement + Control, 1973
A significant factor which affects the accurate prediction of the discharge coefficients of square edged orifice plates is the precise shape of the edge.
T. J. S. Brain, J. Reid
doaj   +1 more source

Flow-measuring structures

Flow Measurement and Instrumentation, 1993
Abstract The use of flow-measuring structures is one of the various methods for the continuous measureent of discharges in open channels. In this paper, the distinct functions of water-control structures are described. The flow-measuring structures are classified according to international rules.
openaire   +4 more sources