In-tube shock wave compression by piston effect of unsteady jet

A high-pressure field is generated in a circular tube by introducing an unsteady jet from its open end. The head of this jet acts as a piston, driving compression waves ahead of it. The peak value of the induced overpressure is evaluated as a solution of a Riemann problem, wherein the jet head is eq...

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Autores principales:	Daisuke KUWABARA, Hirokatsu KAWASAKI, Akira IWAKAWA, Akihiro SASOH, Tetsuya YAMASHITA, Koji TAGUCHI
Formato:	article
Lenguaje:	EN
Publicado:	The Japan Society of Mechanical Engineers 2020
Materias:	compressible fluid dynamics shock wave unsteady jet in-tube compression Mechanical engineering and machinery TJ1-1570
Acceso en línea:	https://doaj.org/article/89a32f223dca4515a6e93bcf25140b93
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id	oai:doaj.org-article:89a32f223dca4515a6e93bcf25140b93
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spelling	oai:doaj.org-article:89a32f223dca4515a6e93bcf25140b932021-11-29T05:56:31ZIn-tube shock wave compression by piston effect of unsteady jet2187-974510.1299/mej.19-00534https://doaj.org/article/89a32f223dca4515a6e93bcf25140b932020-04-01T00:00:00Zhttps://www.jstage.jst.go.jp/article/mej/7/3/7_19-00534/_pdf/-char/enhttps://doaj.org/toc/2187-9745A high-pressure field is generated in a circular tube by introducing an unsteady jet from its open end. The head of this jet acts as a piston, driving compression waves ahead of it. The peak value of the induced overpressure is evaluated as a solution of a Riemann problem, wherein the jet head is equivalent to a piston head. The jet head of the driver gas, with a filling pressure of 400 kPa, is equivalent to a piston head moving at 160 m/s. This high-pressure generation scheme through the “piston effect” is useful for industrial applications, including filter cleaning in dust collectors, and as an interesting example of unsteady, compressible fluid dynamics.Daisuke KUWABARAHirokatsu KAWASAKIAkira IWAKAWAAkihiro SASOHTetsuya YAMASHITAKoji TAGUCHIThe Japan Society of Mechanical Engineersarticlecompressible fluid dynamicsshock waveunsteady jetin-tube compressionMechanical engineering and machineryTJ1-1570ENMechanical Engineering Journal, Vol 7, Iss 3, Pp 19-00534-19-00534 (2020)
institution	DOAJ
collection	DOAJ
language	EN
topic	compressible fluid dynamics shock wave unsteady jet in-tube compression Mechanical engineering and machinery TJ1-1570
spellingShingle	compressible fluid dynamics shock wave unsteady jet in-tube compression Mechanical engineering and machinery TJ1-1570 Daisuke KUWABARA Hirokatsu KAWASAKI Akira IWAKAWA Akihiro SASOH Tetsuya YAMASHITA Koji TAGUCHI In-tube shock wave compression by piston effect of unsteady jet
description	A high-pressure field is generated in a circular tube by introducing an unsteady jet from its open end. The head of this jet acts as a piston, driving compression waves ahead of it. The peak value of the induced overpressure is evaluated as a solution of a Riemann problem, wherein the jet head is equivalent to a piston head. The jet head of the driver gas, with a filling pressure of 400 kPa, is equivalent to a piston head moving at 160 m/s. This high-pressure generation scheme through the “piston effect” is useful for industrial applications, including filter cleaning in dust collectors, and as an interesting example of unsteady, compressible fluid dynamics.
format	article
author	Daisuke KUWABARA Hirokatsu KAWASAKI Akira IWAKAWA Akihiro SASOH Tetsuya YAMASHITA Koji TAGUCHI
author_facet	Daisuke KUWABARA Hirokatsu KAWASAKI Akira IWAKAWA Akihiro SASOH Tetsuya YAMASHITA Koji TAGUCHI
author_sort	Daisuke KUWABARA
title	In-tube shock wave compression by piston effect of unsteady jet
title_short	In-tube shock wave compression by piston effect of unsteady jet
title_full	In-tube shock wave compression by piston effect of unsteady jet
title_fullStr	In-tube shock wave compression by piston effect of unsteady jet
title_full_unstemmed	In-tube shock wave compression by piston effect of unsteady jet
title_sort	in-tube shock wave compression by piston effect of unsteady jet
publisher	The Japan Society of Mechanical Engineers
publishDate	2020
url	https://doaj.org/article/89a32f223dca4515a6e93bcf25140b93
work_keys_str_mv	AT daisukekuwabara intubeshockwavecompressionbypistoneffectofunsteadyjet AT hirokatsukawasaki intubeshockwavecompressionbypistoneffectofunsteadyjet AT akiraiwakawa intubeshockwavecompressionbypistoneffectofunsteadyjet AT akihirosasoh intubeshockwavecompressionbypistoneffectofunsteadyjet AT tetsuyayamashita intubeshockwavecompressionbypistoneffectofunsteadyjet AT kojitaguchi intubeshockwavecompressionbypistoneffectofunsteadyjet
_version_	1718407598766555136

In-tube shock wave compression by piston effect of unsteady jet

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