Neural network-based waveguide acoustic gas detector

Al-Sabbah, Shebel; Mughrabi, Tariq

doi:10.1109/isma.2008.4648867

Cited by 8 publications

(9 citation statements)

References 2 publications

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“…Assuming that acoustic flow is not produced [22], and that l1=l20 and is the total frequency generated within a tube can estimated as:…”

Section: Methodsmentioning

confidence: 99%

“…In ultrasonic or even sound technique used to measure the density of the liquid, all measured parameters of longitudinal ultrasonic/ sound waves are characterized by their distribution, which depends on the density of measured: the wave resistance of the liquid, the speed or velocity of sound in the media and absorption coefficient [21]. Acoustic detector for measuring density of vapors of a liquid is also presented in work [22]. The proposed technique is based gas chromatography analyses and measuring the speed of sound in a resonance tube which is a part of a chromatograph.…”

Section: Literature Reviewmentioning

confidence: 99%

“…The method based on measuring the frequency of transmitted acoustic signal within a U-shape tube filled by the liquid sample. In work, it was shown waves can be transmitted within a tube filled by a liquid or gas under the following three conditions [15,22]:…”

Section: Literature Reviewmentioning

confidence: 99%

“…This demonstrates the relationship between the temperature change and the variation of measured frequency. The literature reviews show that the U-shape tube is utilized to measure some physical quantities such as: pressure, concentration and temperature [22][23][24][25].…”

Section: Theoretical Backgroundmentioning

confidence: 99%

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U-shape Acoustic Liquid Densitometer

Younes¹,

Alkhedher²,

Shgier³

et al. 2019

I2M

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The growing interest in measuring density of liquids has led to the need to develop new types of densitometers that can be used in several applications. The purpose of this work is to propose a simple densitometer based on measuring the frequency of created standing wave with a tube filled by a liquid under test. The developed approach is utilized to obtain a relationship between the density of some liquids and the frequency. The data acquisition and signal processing are carried out by LabVIEW software. It was shown that is a clear relationship between the frequency of standing wave created within a resonance tube in form of U-shape and the density of tested sample. This result can assist in production of cost-effective and portable densitometers.

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“…Assuming that acoustic flow is not produced [22], and that l1=l20 and is the total frequency generated within a tube can estimated as:…”

Section: Methodsmentioning

confidence: 99%

Section: Literature Reviewmentioning

confidence: 99%

Section: Literature Reviewmentioning

confidence: 99%

Section: Theoretical Backgroundmentioning

confidence: 99%

See 2 more Smart Citations

U-shape Acoustic Liquid Densitometer

Younes¹,

Alkhedher²,

Shgier³

et al. 2019

I2M

View full text Add to dashboard Cite

show abstract

“…The heat capacity of gases can be measured using various devices and methods. The most common apparatus is Clement and Dé sormes Apparatus [6]. The principle of determining the adiabatic constant is as follows: Air is pumped into the cylinder to a pressure slightly higher than atmospheric (pressure difference is controlled by a pressure gauge).…”

Section: Literature Reviewmentioning

confidence: 99%

A Methodology to Measure СP / CV Ratio Using U-shape Acoustic Resonance Tube

Younes¹,

Tutunji²,

Soliman³

et al. 2019

I2M

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The specific heat ratio of gases can be determined using several measuring instruments. Recently acoustic resonance instruments have shown a great versatility and being used in various branches of industrial applications. This article proposes a simple measurement methodology to measure the specific heat ratio i.e., Сp / Cv using free mode of acoustic resonance within a U-shape resonator. The specific heat ratio is calculated by measuring the speed of sound in a tube filled by the sample of the gas under test. For this purpose, the signal of standing wave is acquired using a sound card of Personal Computer. The received signal is processed by LabVIEW software. The experimental results show that the measured value of the specific heat ratio of several types of gases can be calculated using the proposed methodology and the relative error is about 2 %.

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Novel Approach of Non-linearity Analyses of Resistive Temperature Sensors

Younes¹

2019

RIA

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The non-linearity analysis is one of the most important issue when defining the static characteristics of temperature sensors, namely thermoresistive sensors. The purpose of this work is to propose a simple approach based on measuring the signal conditioning parameters to define the model of measured temperature. The developed approach is utilized to obtain a relationship between the bridge parameters and the final measured value of temperature. The data acquisition and signal processing are carried out by Arduino Uno and LabVIEW software.

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Neural network-based waveguide acoustic gas detector

Cited by 8 publications

References 2 publications

U-shape Acoustic Liquid Densitometer

U-shape Acoustic Liquid Densitometer

A Methodology to Measure СP / CV Ratio Using U-shape Acoustic Resonance Tube

Novel Approach of Non-linearity Analyses of Resistive Temperature Sensors

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