Comparison of PIV and PDA droplet velocity measurement techniques on two high-pressure water mist nozzles

被引：86

作者：

Husted, Bjarne Paulsen ^{[1
,5
]}

Petersson, Per ^{[2
]}

Lund, Ivar ^{[3
]}

Holmstedt, Goran ^{[4
]}

机构：

[1] Stord Haugesund Univ Coll, Dept Engn, N-5528 Haugesund, Norway

[2] Lund Univ, Div Combust Phys, S-22100 Lund, Sweden

[3] Univ So Denmark, Dept Ind & Civil Engn, Odense, Denmark

[4] Lund Univ, Dept Fire Safery Engn & Syst Safety, S-22100 Lund, Sweden

[5] Danish Inst Fire & Secur Technol, DK-2650 Hvidovre, Denmark

来源：

FIRE SAFETY JOURNAL | 2009年 / 44卷 / 08期

关键词：

Water mist; PIV; PDA; High-pressure nozzles; Spray; Measurements; FIRE;

D O I：

10.1016/j.firesaf.2009.07.003

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

The need for reliable measurement of droplet velocities and droplet size has increased with the more widespread use of water mist systems. Two optical measuring techniques have been investigated, Particle Image Velocimetry (PIV) and phase Doppler anemometry (PDA). Measurements have been performed on two high-pressure nozzles, a hollow cone nozzle and a full cone nozzle. Both methods performed well close to the nozzle and further away from the nozzle. In the intermediate region the results obtained with PIV are biased against the larger droplets. The two methods complement each other, PIV giving the instantaneous velocity field and PDA giving both the droplet velocity and droplet size at a point. The measurement indicates that higher throw length can be archived with a full cone nozzle compared to the hollow cone nozzle, if both nozzles have the same cone angle and flow rate. (C) 2009 Elsevier Ltd. All rights reserved.

引用

页码：1030 / 1045

页数：16

共 33 条

[1] A computational and experimental study of ultra fine water mist as a total flooding agent
Adiga, K. C.
Hatcher, Robert F., Jr.
Sheinson, Ronald S.
Williams, Frederick W.
Ayers, Scott
[J]. FIRE SAFETY JOURNAL, 2007, 42 (02) : 150 - 160
[2] ADRIAN RJ, 1991, ANNU REV FLUID MECH, V23, P261, DOI 10.1146/annurev.fluid.23.1.261
[3] ALMEN V, 2006, 5185 LUND U DEP FIR
[4] ANDERSSON P, 1996, 3080 LUND U DEP FIR
[5] ANDERSSON P, 1998, J FIRE PROT ENG, V9, P31
[6] PHASE DOPPLER SPRAY ANALYZER FOR SIMULTANEOUS MEASUREMENTS OF DROP SIZE AND VELOCITY DISTRIBUTIONS
BACHALO, WD
HOUSER, MJ
[J]. OPTICAL ENGINEERING, 1984, 23 (05) : 583 - 590
[7] BAUCKHAGE K, 1984, P 2 INT S LAS AN FLU
[8] Chow W. K., 2002, J APPL FIRE SCI, V11, P21
[9] Coleman H.W., 1999, Experimentation and Uncertainty Analysis for Engineers
[10] *DANT MEAS TECHN, 1992, PART DYN AN PDA US M

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