scholarly journals Qualitative Analysis of Spray Characteristics of Impinging Jets Using A Gelled Non-Newtonian Propellant Simulant

2021 ◽  
Vol 1 (1) ◽  
Author(s):  
Ali Darvan ◽  
Azadeh Kebriaee ◽  
Ali Nouri-Borujerdi ◽  
Amir Nourian
Keyword(s):  
Qualitative Analysis ◽  
Impinging Jets ◽  
Spray Characteristics

An experimental and theoretical investigation of spray characteristics of impinging jets in impact wave regime

2015 ◽  
Vol 56 (3) ◽  
Author(s):  
N. S. Rodrigues ◽  
V. Kulkarni ◽  
J. Gao ◽  
J. Chen ◽  
P. E. Sojka
Keyword(s):  
Theoretical Investigation ◽  
Impinging Jets ◽  
Spray Characteristics ◽  
Wave Regime ◽  
Impact Wave

Spray Characteristics of Elliptical Power-Law Fluid-Impinging Jets

2017 ◽  
Vol 139 (7) ◽  
Author(s):  
Fei Zhao ◽  
Li-Zi Qin ◽  
Qing-Fei Fu ◽  
Chao-Jie Mo ◽  
Li-Jun Yang
Keyword(s):  
Power Law ◽  
Impinging Jets ◽  
Liquid Sheet ◽  
Rheological Parameters ◽  
Power Law Fluid ◽  
Spray Characteristics ◽  
Theoretical Predictions ◽  
Fluid Jets ◽  
Atomization Efficiency ◽  
Improved Model

The spray characteristics of a liquid sheet contribute much to the investigation of atomization efficiency. Considering the jet contracting effect of elliptical jets, an improved model of elliptical power-law fluid jets is proposed herein to derive the spray characteristics. Some experiments have been conducted to verify its feasibility, and the results show a good agreement with theoretical predictions. The effect of the aspect ratio on sheet shape and thickness has been studied to interpret the phenomenon that liquid sheets formed by the impinging elliptical jets are more likely to disintegrate. The relationships between rheological parameters (K and n) and the spray features are also discussed.

Spray Characteristics of Unlike Impinging Jets

2017 ◽  
Vol 33 (5) ◽  
pp. 1260-1271 ◽  
Author(s):  
Fei Zhao ◽  
Li-jun Yang ◽  
Chao-jie Mo ◽  
Li-zi Qin
Keyword(s):  
Impinging Jets ◽  
Spray Characteristics

Spatially Resolved Gelled Propellant Spray Characteristics of Impinging Jets

2015 ◽  
Author(s):  
Neil S. Rodrigues ◽  
Paul E. Sojka
Keyword(s):  
Drop Size ◽  
Impinging Jets ◽  
Spray Characteristics ◽  
Transverse Axis ◽  
Phase Doppler Anemometry ◽  
Drop Velocity ◽  
Spatially Resolved ◽  
Plane Normal ◽  
Gelled Propellant ◽  
Kappa Carrageenan

The spatially resolved spray characteristics created by the like-on-like impingement of two gelled propellant simulants was experimentally investigated using Phase Doppler Anemometry (PDA). Water based gels of 1.0 wt.-% agar and 1.0 wt.-% kappa carrageenan, which were characterized using the Herschel-Bulkley rheological model, were used as the gel propellant simulants. Spatially resolved measurements for drop size and drop velocity were obtained up to 10 mm away from the centerline along the transverse axis in the plane of the sheet and up to 20 mm away from the centerline along the transverse axis in the plane normal to the sheet. All measurements were obtained at an axial plane 5 cm downstream of the impingement point. Larger D10 and D32 mean diameters and lower mean axial drop velocity Uz-mean were observed for transverse distances away from the centerline of the spray along both the axis in the plane of the sheet and in the plane normal to the sheet.

Spray characteristics of free air-on-water impinging jets

2018 ◽  
Vol 100 ◽  
pp. 86-103 ◽  
Author(s):  
Y. Xia ◽  
M. Alshehhi ◽  
Y. Hardalupas ◽  
L. Khezzar
Keyword(s):  
Impinging Jets ◽  
Spray Characteristics ◽  
Free Air
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