PIV Study of the Effect of Piston Motion on the Confined Swirling Flow in the Scavenging Process in 2-Stroke Marine Diesel Engines

Sajjad Haider; Knud Erik Meyer; Jesper Schramm; Stefan Mayer

PIV Study of the Effect of Piston Motion on the Confined Swirling Flow in the Scavenging Process in 2-Stroke Marine Diesel Engines

Sajjad Haider (Invited author), Knud Erik Meyer (Invited author), Jesper Schramm (Invited author), Stefan Mayer (Invited author)

Department of Mechanical Engineering

Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

Abstract

The effect of piston motion on the incylinder swirling flow for a low speed, large two-stroke marine diesel engine is studies using the stereoscopic PIV technique. The measuremenrs are conducted at 5 cross sectional planes along the cylinder length and at piston positions covering the air intake ports by 0%, 25%, 50% and 75%. The resulting swirling flow decays downstrams the bulk direction and variation in Reynolds number has only effect in terms of magnitud. When the piston translates towards the top-dwad-centra, it gradually starts closing the intake ports. The tangential velocity profile changes fraomRankine/Burges vortes to forced vortex and exial velocity profile changes from wake-like to jet-like and then again to wake-like profile.

Original language	English
Title of host publication	CIMAC Congress 2010
Publisher	Conseil International des Machines a Combustion
Publication date	2010
Pages	270
Publication status	Published - 2010
Event	CIMAC Congress - Bergen, Norway Duration: 1 Jan 2010 → …

Conference

Conference	CIMAC Congress
City	Bergen, Norway
Period	01/01/2010 → …

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@inproceedings{c46eaff632734cb2a5ea321de53be68b,

title = "PIV Study of the Effect of Piston Motion on the Confined Swirling Flow in the Scavenging Process in 2-Stroke Marine Diesel Engines",

abstract = "The effect of piston motion on the incylinder swirling flow for a low speed, large two-stroke marine diesel engine is studies using the stereoscopic PIV technique. The measuremenrs are conducted at 5 cross sectional planes along the cylinder length and at piston positions covering the air intake ports by 0%, 25%, 50% and 75%. The resulting swirling flow decays downstrams the bulk direction and variation in Reynolds number has only effect in terms of magnitud. When the piston translates towards the top-dwad-centra, it gradually starts closing the intake ports. The tangential velocity profile changes fraomRankine/Burges vortes to forced vortex and exial velocity profile changes from wake-like to jet-like and then again to wake-like profile.",

author = "Sajjad Haider and Meyer, {Knud Erik} and Jesper Schramm and Stefan Mayer",

year = "2010",

language = "English",

pages = "270",

booktitle = "CIMAC Congress 2010",

publisher = "Conseil International des Machines a Combustion",

note = "CIMAC Congress ; Conference date: 01-01-2010",

}

PIV Study of the Effect of Piston Motion on the Confined Swirling Flow in the Scavenging Process in 2-Stroke Marine Diesel Engines. / Haider, Sajjad (Invited author); Meyer, Knud Erik (Invited author); Schramm, Jesper (Invited author); Mayer, Stefan (Invited author).

CIMAC Congress 2010. Conseil International des Machines a Combustion, 2010. p. 270.

Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

TY - GEN

T1 - PIV Study of the Effect of Piston Motion on the Confined Swirling Flow in the Scavenging Process in 2-Stroke Marine Diesel Engines

AU - Haider, Sajjad

AU - Meyer, Knud Erik

AU - Schramm, Jesper

AU - Mayer, Stefan

PY - 2010

Y1 - 2010

N2 - The effect of piston motion on the incylinder swirling flow for a low speed, large two-stroke marine diesel engine is studies using the stereoscopic PIV technique. The measuremenrs are conducted at 5 cross sectional planes along the cylinder length and at piston positions covering the air intake ports by 0%, 25%, 50% and 75%. The resulting swirling flow decays downstrams the bulk direction and variation in Reynolds number has only effect in terms of magnitud. When the piston translates towards the top-dwad-centra, it gradually starts closing the intake ports. The tangential velocity profile changes fraomRankine/Burges vortes to forced vortex and exial velocity profile changes from wake-like to jet-like and then again to wake-like profile.

AB - The effect of piston motion on the incylinder swirling flow for a low speed, large two-stroke marine diesel engine is studies using the stereoscopic PIV technique. The measuremenrs are conducted at 5 cross sectional planes along the cylinder length and at piston positions covering the air intake ports by 0%, 25%, 50% and 75%. The resulting swirling flow decays downstrams the bulk direction and variation in Reynolds number has only effect in terms of magnitud. When the piston translates towards the top-dwad-centra, it gradually starts closing the intake ports. The tangential velocity profile changes fraomRankine/Burges vortes to forced vortex and exial velocity profile changes from wake-like to jet-like and then again to wake-like profile.

M3 - Article in proceedings

SP - 270

BT - CIMAC Congress 2010

PB - Conseil International des Machines a Combustion

T2 - CIMAC Congress

Y2 - 1 January 2010

ER -

PIV Study of the Effect of Piston Motion on the Confined Swirling Flow in the Scavenging Process in 2-Stroke Marine Diesel Engines

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