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Experimental study of exhaust noise generated by pulsating flow downstream of pipe end; Myakudoryu ni yori yukisareru kantanbu karyu ni okeru haiki soon no jikkenteki kenkyu

Abstract

A experimental study was carried out for the emissoin of the exhaust noise from an open end of the pipe generated by the pulsating flow in the pipe. The pressure histories along the pipe, the exhaust noise and visualized the flow field downstream of the pipe end were obtained. And a characteristic of frequency for the exhaust noise was examined, using Wigner distribution (WD). A relation between the pulsating flow in the pipe and the exhaust noise was important for understanding the mechanism of the exhaust noise generation. 4 refs., 8 figs., 1 tab.
Authors:
Higashiyama, J; Iwamoto, J [1] 
  1. Tokyo Denki University, Tokyo (Japan)
Publication Date:
Oct 01, 1997
Product Type:
Conference
Report Number:
ETDE/JP-98753688; CONF-9710216-
Reference Number:
SCA: 330100; 330700; 560400; PA: JP-98:0G1179; EDB-98:073919; SN: 98001948843
Resource Relation:
Conference: 1997 Fall Japan Society of Automotive Engineers (JSAE) meeting science lecture, JSAE 1997 nen shuki taikai gakujutsu koenkai, Hiroshima (Japan), 21-23 Oct 1997; Other Information: PBD: 1 Oct 1997; Related Information: Is Part Of Preprint of the Fall 1997 JSAE (Japan Society of Automotive Engineers) Meeting Science Lecture. No. 974; PB: 264 p.; Jidosha gijutsukai 1997 nen shuki taikai gakujutsu koenkai maezurishu. 974
Subject:
33 ADVANCED PROPULSION SYSTEMS; 56 BIOLOGY AND MEDICINE, APPLIED STUDIES; EXHAUST GASES; INTERNAL COMBUSTION ENGINES; NOISE; PULSATIONS; FLUID FLOW; WAVE FORCES; COMPRESSION; PULSES; MECHANICAL ENGINEERING; WIGNER DISTRIBUTION
OSTI ID:
625201
Research Organizations:
Society of Automotive Engineers of Japan, Tokyo (Japan)
Country of Origin:
Japan
Language:
Japanese
Other Identifying Numbers:
Other: ON: DE98753688; TRN: JN98G1179
Availability:
Available from Society of Automotive Engineers of Japan Inc., Gobancho 10-2, Chiyoda-ku, Tokyo, (Japan); OSTI as DE98753688
Submitting Site:
NEDO
Size:
pp. 209-212
Announcement Date:
Jul 30, 1998

Citation Formats

Higashiyama, J, and Iwamoto, J. Experimental study of exhaust noise generated by pulsating flow downstream of pipe end; Myakudoryu ni yori yukisareru kantanbu karyu ni okeru haiki soon no jikkenteki kenkyu. Japan: N. p., 1997. Web.
Higashiyama, J, & Iwamoto, J. Experimental study of exhaust noise generated by pulsating flow downstream of pipe end; Myakudoryu ni yori yukisareru kantanbu karyu ni okeru haiki soon no jikkenteki kenkyu. Japan.
Higashiyama, J, and Iwamoto, J. 1997. "Experimental study of exhaust noise generated by pulsating flow downstream of pipe end; Myakudoryu ni yori yukisareru kantanbu karyu ni okeru haiki soon no jikkenteki kenkyu." Japan.
@misc{etde_625201,
title = {Experimental study of exhaust noise generated by pulsating flow downstream of pipe end; Myakudoryu ni yori yukisareru kantanbu karyu ni okeru haiki soon no jikkenteki kenkyu}
author = {Higashiyama, J, and Iwamoto, J}
abstractNote = {A experimental study was carried out for the emissoin of the exhaust noise from an open end of the pipe generated by the pulsating flow in the pipe. The pressure histories along the pipe, the exhaust noise and visualized the flow field downstream of the pipe end were obtained. And a characteristic of frequency for the exhaust noise was examined, using Wigner distribution (WD). A relation between the pulsating flow in the pipe and the exhaust noise was important for understanding the mechanism of the exhaust noise generation. 4 refs., 8 figs., 1 tab.}
place = {Japan}
year = {1997}
month = {Oct}
}