Characteristics of flow behind a passenger vehicle

Jun Song; Shuya Yoshioka; Takuma Kato; Yasuaki Kohama

doi:10.4271/2006-01-1030

Characteristics of flow behind a passenger vehicle

Jun Song, Shuya Yoshioka, Takuma Kato, Yasuaki Kohama

Research output: Contribution to conference › Paper › peer-review

1 Citation (Scopus)

Abstract

The characteristics of a notchback passenger vehicle wakes have been investigated. The experiment was mainly focused on the effect of rounding trunk-deck end on the steady and unsteady characteristics of the flow structure in the wake of the vehicle. The results showed that the formation of the trailing vortices were enhanced and the turbulence intensity in the wake was increased by rounding the trunk-deck end, although the frequency of the dominant fluid motion changed little. Simultaneous measurement of the velocity in the wake showed the dominant fluid motion over the rear of the vehicle and in its wake is highly correlated with the flow that comes through its underbody.

Original language	English
DOIs	https://doi.org/10.4271/2006-01-1030
Publication status	Published - 2006 Dec 1
Event	2006 SAE World Congress - Detroit, MI, United States Duration: 2006 Apr 3 → 2006 Apr 6

Other

Other	2006 SAE World Congress
Country	United States
City	Detroit, MI
Period	06/4/3 → 06/4/6

ASJC Scopus subject areas

Automotive Engineering
Safety, Risk, Reliability and Quality
Pollution
Industrial and Manufacturing Engineering

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10.4271/2006-01-1030

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title = "Characteristics of flow behind a passenger vehicle",

abstract = "The characteristics of a notchback passenger vehicle wakes have been investigated. The experiment was mainly focused on the effect of rounding trunk-deck end on the steady and unsteady characteristics of the flow structure in the wake of the vehicle. The results showed that the formation of the trailing vortices were enhanced and the turbulence intensity in the wake was increased by rounding the trunk-deck end, although the frequency of the dominant fluid motion changed little. Simultaneous measurement of the velocity in the wake showed the dominant fluid motion over the rear of the vehicle and in its wake is highly correlated with the flow that comes through its underbody.",

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AU - Yoshioka, Shuya

AU - Kato, Takuma

AU - Kohama, Yasuaki

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N2 - The characteristics of a notchback passenger vehicle wakes have been investigated. The experiment was mainly focused on the effect of rounding trunk-deck end on the steady and unsteady characteristics of the flow structure in the wake of the vehicle. The results showed that the formation of the trailing vortices were enhanced and the turbulence intensity in the wake was increased by rounding the trunk-deck end, although the frequency of the dominant fluid motion changed little. Simultaneous measurement of the velocity in the wake showed the dominant fluid motion over the rear of the vehicle and in its wake is highly correlated with the flow that comes through its underbody.

AB - The characteristics of a notchback passenger vehicle wakes have been investigated. The experiment was mainly focused on the effect of rounding trunk-deck end on the steady and unsteady characteristics of the flow structure in the wake of the vehicle. The results showed that the formation of the trailing vortices were enhanced and the turbulence intensity in the wake was increased by rounding the trunk-deck end, although the frequency of the dominant fluid motion changed little. Simultaneous measurement of the velocity in the wake showed the dominant fluid motion over the rear of the vehicle and in its wake is highly correlated with the flow that comes through its underbody.

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