Influences of the Cloud Shape of Fuel-Air Mixtures on the Overpressure Field

This paper presents an experiment system in the open field, which comprises a charge structure (approximately 166.2 kg), a high-speed camera subsystem, and a pressure measurement subsystem. Through a series of experiments under the cylindrical clouds with different diameters, heights, and diameter-t...

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Main Authors: Chunhua Bai, Ye Wang, Jianping Li, Mingsheng Chen
Format: Article
Language:English
Published: Wiley 2016-01-01
Series:Shock and Vibration
Online Access:http://dx.doi.org/10.1155/2016/9748536
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author Chunhua Bai
Ye Wang
Jianping Li
Mingsheng Chen
author_facet Chunhua Bai
Ye Wang
Jianping Li
Mingsheng Chen
author_sort Chunhua Bai
collection DOAJ
description This paper presents an experiment system in the open field, which comprises a charge structure (approximately 166.2 kg), a high-speed camera subsystem, and a pressure measurement subsystem. Through a series of experiments under the cylindrical clouds with different diameters, heights, and diameter-to-height ratios (D : H), the influences of various cloud shapes on the overpressure field were analyzed and discussed. Based on the experimental results, the overpressure field was divided into two zones: detonation wave zone and shock wave zone. It is found that the overpressure of shock waves at the same distance from the explosion center increased with the diameters, but the variations of heights had little impact on the overpressure. Therefore, the pancake-shaped cloud of fuel-air mixtures is the optimal shape for obtaining the wider overpressure field. Moreover, it is found that the overpressure field gets the maximum under the diameter-to-height ratios of 5.7 in the same distance within the studied range.
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institution Kabale University
issn 1070-9622
1875-9203
language English
publishDate 2016-01-01
publisher Wiley
record_format Article
series Shock and Vibration
spelling doaj-art-c106c4a16dd64f449f8c43ccd466f0c92025-02-03T01:02:11ZengWileyShock and Vibration1070-96221875-92032016-01-01201610.1155/2016/97485369748536Influences of the Cloud Shape of Fuel-Air Mixtures on the Overpressure FieldChunhua Bai0Ye Wang1Jianping Li2Mingsheng Chen3State Key Laboratory of Explosion Science and Technology, Beijing Institute of Technology, Beijing 100081, ChinaState Key Laboratory of Explosion Science and Technology, Beijing Institute of Technology, Beijing 100081, ChinaState Key Laboratory of Explosion Science and Technology, Beijing Institute of Technology, Beijing 100081, ChinaState Key Laboratory of Explosion Science and Technology, Beijing Institute of Technology, Beijing 100081, ChinaThis paper presents an experiment system in the open field, which comprises a charge structure (approximately 166.2 kg), a high-speed camera subsystem, and a pressure measurement subsystem. Through a series of experiments under the cylindrical clouds with different diameters, heights, and diameter-to-height ratios (D : H), the influences of various cloud shapes on the overpressure field were analyzed and discussed. Based on the experimental results, the overpressure field was divided into two zones: detonation wave zone and shock wave zone. It is found that the overpressure of shock waves at the same distance from the explosion center increased with the diameters, but the variations of heights had little impact on the overpressure. Therefore, the pancake-shaped cloud of fuel-air mixtures is the optimal shape for obtaining the wider overpressure field. Moreover, it is found that the overpressure field gets the maximum under the diameter-to-height ratios of 5.7 in the same distance within the studied range.http://dx.doi.org/10.1155/2016/9748536
spellingShingle Chunhua Bai
Ye Wang
Jianping Li
Mingsheng Chen
Influences of the Cloud Shape of Fuel-Air Mixtures on the Overpressure Field
Shock and Vibration
title Influences of the Cloud Shape of Fuel-Air Mixtures on the Overpressure Field
title_full Influences of the Cloud Shape of Fuel-Air Mixtures on the Overpressure Field
title_fullStr Influences of the Cloud Shape of Fuel-Air Mixtures on the Overpressure Field
title_full_unstemmed Influences of the Cloud Shape of Fuel-Air Mixtures on the Overpressure Field
title_short Influences of the Cloud Shape of Fuel-Air Mixtures on the Overpressure Field
title_sort influences of the cloud shape of fuel air mixtures on the overpressure field
url http://dx.doi.org/10.1155/2016/9748536
work_keys_str_mv AT chunhuabai influencesofthecloudshapeoffuelairmixturesontheoverpressurefield
AT yewang influencesofthecloudshapeoffuelairmixturesontheoverpressurefield
AT jianpingli influencesofthecloudshapeoffuelairmixturesontheoverpressurefield
AT mingshengchen influencesofthecloudshapeoffuelairmixturesontheoverpressurefield