Effects of target temperature on size distribution of ejecta in hypervelocity impact : Toward revision of ISO11227

As a preliminary study, the effects of target temperature on ejecta size were examined at an impact velocity of 3.5 km/s with the goal of improving the ISO11227. At first, the size of each ejecta collected from test chamber, was examined by the image analysis software using a photograph of each ejec...

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Autores principales:	Masahiro NISHIDA, Naoto MIYOKAWA, Fumiya KODAMA, Koichi HAYASHI, Pauline FAURE, Koichi NORIMATSU, Yusuke FUJIMURA, Yasuhiro AKAHOSHI
Formato:	article
Lenguaje:	EN
Publicado:	The Japan Society of Mechanical Engineers 2016
Materias:	space debris high velocity international standard for experimental procedure spacecraft material ejecta image analysis witness plate Mechanical engineering and machinery TJ1-1570
Acceso en línea:	https://doaj.org/article/d11081fcffea4285a9eea14976c55cea
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spelling	oai:doaj.org-article:d11081fcffea4285a9eea14976c55cea2021-11-26T06:58:32ZEffects of target temperature on size distribution of ejecta in hypervelocity impact : Toward revision of ISO112272187-974510.1299/mej.16-00148https://doaj.org/article/d11081fcffea4285a9eea14976c55cea2016-08-01T00:00:00Zhttps://www.jstage.jst.go.jp/article/mej/3/6/3_16-00148/_pdf/-char/enhttps://doaj.org/toc/2187-9745As a preliminary study, the effects of target temperature on ejecta size were examined at an impact velocity of 3.5 km/s with the goal of improving the ISO11227. At first, the size of each ejecta collected from test chamber, was examined by the image analysis software using a photograph of each ejecta (direct method). The cumulative number distributions of ejecta size were discussed. The effects of target temperature on ejecta size were small within a predictable range. After that, we compared the ejecta size distribution of the direct method with the results of the international standard method using witness plate (indirect method). The number of ejecta impact craters evaluated by the international standard method was very small at the high temperature. The results of international standard method using witness plate were easily influenced by temperature of target at the high temperature. It is highly possible that the international standard method underestimate the ejecta from target at high temperature.Masahiro NISHIDANaoto MIYOKAWAFumiya KODAMAKoichi HAYASHIPauline FAUREKoichi NORIMATSUYusuke FUJIMURAYasuhiro AKAHOSHIThe Japan Society of Mechanical Engineersarticlespace debrishigh velocityinternational standard for experimental procedurespacecraft material ejectaimage analysiswitness plateMechanical engineering and machineryTJ1-1570ENMechanical Engineering Journal, Vol 3, Iss 6, Pp 16-00148-16-00148 (2016)
institution	DOAJ
collection	DOAJ
language	EN
topic	space debris high velocity international standard for experimental procedure spacecraft material ejecta image analysis witness plate Mechanical engineering and machinery TJ1-1570
spellingShingle	space debris high velocity international standard for experimental procedure spacecraft material ejecta image analysis witness plate Mechanical engineering and machinery TJ1-1570 Masahiro NISHIDA Naoto MIYOKAWA Fumiya KODAMA Koichi HAYASHI Pauline FAURE Koichi NORIMATSU Yusuke FUJIMURA Yasuhiro AKAHOSHI Effects of target temperature on size distribution of ejecta in hypervelocity impact : Toward revision of ISO11227
description	As a preliminary study, the effects of target temperature on ejecta size were examined at an impact velocity of 3.5 km/s with the goal of improving the ISO11227. At first, the size of each ejecta collected from test chamber, was examined by the image analysis software using a photograph of each ejecta (direct method). The cumulative number distributions of ejecta size were discussed. The effects of target temperature on ejecta size were small within a predictable range. After that, we compared the ejecta size distribution of the direct method with the results of the international standard method using witness plate (indirect method). The number of ejecta impact craters evaluated by the international standard method was very small at the high temperature. The results of international standard method using witness plate were easily influenced by temperature of target at the high temperature. It is highly possible that the international standard method underestimate the ejecta from target at high temperature.
format	article
author	Masahiro NISHIDA Naoto MIYOKAWA Fumiya KODAMA Koichi HAYASHI Pauline FAURE Koichi NORIMATSU Yusuke FUJIMURA Yasuhiro AKAHOSHI
author_facet	Masahiro NISHIDA Naoto MIYOKAWA Fumiya KODAMA Koichi HAYASHI Pauline FAURE Koichi NORIMATSU Yusuke FUJIMURA Yasuhiro AKAHOSHI
author_sort	Masahiro NISHIDA
title	Effects of target temperature on size distribution of ejecta in hypervelocity impact : Toward revision of ISO11227
title_short	Effects of target temperature on size distribution of ejecta in hypervelocity impact : Toward revision of ISO11227
title_full	Effects of target temperature on size distribution of ejecta in hypervelocity impact : Toward revision of ISO11227
title_fullStr	Effects of target temperature on size distribution of ejecta in hypervelocity impact : Toward revision of ISO11227
title_full_unstemmed	Effects of target temperature on size distribution of ejecta in hypervelocity impact : Toward revision of ISO11227
title_sort	effects of target temperature on size distribution of ejecta in hypervelocity impact : toward revision of iso11227
publisher	The Japan Society of Mechanical Engineers
publishDate	2016
url	https://doaj.org/article/d11081fcffea4285a9eea14976c55cea
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Effects of target temperature on size distribution of ejecta in hypervelocity impact : Toward revision of ISO11227

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