Development of an air velocity and flow measurement system by using a novel circular disc

The article deals with one of the important tasks of modern flow measurement, which is related to the measurement of the flow rate and the amount of wet gas. This task becomes especially important when it becomes necessary to obtain information about the separate amount of the dry part of the gas that is contained in the form of a mixture in the wet gas stream. The paper presents the principle of operation and structure of the invariant system for measuring the flow rate of wet gas, which is based on the combined use of differential pressure flowmeters and Coriolis flowmeters. The operation of the invariant wet gas flow rate measurement system is based on the simultaneous application of the multichannel principle and the partial flow measurement method. Coriolis flowmeters and the differential pressure flowmeter are used as the main elements of the system. The proposed measurement system does not offer applications for gases with abundant drip humidity. The article provides information about the test results of the proposed invariant system. The estimation of the metrological characteristics of the invariant system when measuring the flow rate of wet gas is given. The obtained test results of the invariant wet gas flow rate measurement system are relevant for natural gas production, transportation, and storage facilities.

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The Study and Design of a UDP Flow Measurement System

Applied Mechanics and Materials ◽

10.4028/www.scientific.net/amm.278-280.946 ◽

2013 ◽

Vol 278-280 ◽

pp. 946-949

Author(s):

Hai Feng Guo

Keyword(s):

Complex Network ◽

Measurement System ◽

Flow Measurement ◽

Data Flow ◽

Comparison Function ◽

Data Sets ◽

Network Environment ◽

Network Bandwidth ◽

Packet Capture ◽

The One

Proposed a way to UPD flow and UPD system ideology. The system is considered the one-way characteristics of UDP flow in the backbone of the network, used the WinPcap packet capture technology. The system including network packet captures module, packet replay module, packets spell flow module, UDP analysis module, while using the map template classes in stl, improved the performance of UDP packets through a comparison function with efficient custom;Contrast to the data characteristics under the complex network environment, the system adopts the step-by-step small tools design way to facilitate the system to expand new analysis function. Through the three sets of data : a backbone data sets and two DARPA1999 data sets, it can be seen that the overall development of UDP data flow is expanding the network bandwidth , and small UDP flows is more.The quicker network bandwidth development, the shorter the UDP flows average time.

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Development of Wind in Flow Measurement System Using 9-Beam Nacelle Lidar

Journal of Applied Mechanical Engineering ◽

10.4172/2168-9873.1000309 ◽

2018 ◽

Vol 07 (04) ◽

Author(s):

Hirokazu Kawabata ◽

Yoshihiro Kikushima ◽

Tetsuya Kogaki

Keyword(s):

Measurement System ◽

Flow Measurement

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Exhaust Gas Flow Measurement System - CRADA Final Report

10.2172/770441 ◽

1997 ◽

Cited By ~ 1

Author(s):

J Hardy ◽

R Abston ◽

J Hylton ◽

T McKnight ◽

R Joy ◽

...

Keyword(s):

Measurement System ◽

Flow Measurement ◽

Gas Flow ◽

Final Report ◽

Exhaust Gas

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Reliability of the RBMK-1000 coolant flow measurement system

Nuclear Energy and Technology ◽

10.3897/nucet.5.34296 ◽

2019 ◽

Vol 5 (1) ◽

pp. 81-87

Author(s):

Arkady I. Pereguda

Keyword(s):

Mathematical Model ◽

Measurement System ◽

Flow Measurement ◽

Rotation Period ◽

Operation Time ◽

Operational Reliability ◽

Coolant Flow ◽

Reliability Indicators ◽

Parametric Reliability ◽

Two Parameters

An analysis of statistical data of diagnostic measurements of two parameters determining the performance of the RBMK-1000 SHADR-8A flowmeters – the minimum value of the negative amplitude half-wave at the transistor flow measuring unit (TIBR) input and the mean-square deviation over the flowmeter ball rotation period – made it possible to develop a mathematical model of the flowmeter parametric reliability. This mathematical model is a random process, which is a superposition of two delayed renewal processes. Studying the flowmeter operational reliability model provides an exponential estimate of the probability that the parameters determining the flowmeter performance will not exceed the specified levels. Using the Bernoulli scheme and the probability-estimating relationship for the flowmeter performance parameters, it is possible to calculate the probability of failure-free operation of both a single reactor quadrant and the coolant flow measurement system. In addition, it becomes possible to estimate the quadrant failure rate. Important for practice is the possibility of predicting the number of failed flowmeters depending on the system operation time. An indicator of the system reliability can be the average number of failed flowmeters, the relation for which is given in the paper. All the research results were obtained without any additional assumptions about the random values distribution laws. The obtained results can be easily generalized for the cases when the vector dimension of the determining parameters is greater than two. The use of the results of this study is illustrated by calculated quantitative values of the flowmeter parametric reliability indicators and the coolant flow measurement system.

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