Deflector-generated jets

M Pfister, WH Hager - Journal of Hydraulic Research, 2009 - Taylor & Francis
… such jets is presently available. The herein presented study investigates both jet trajectories
… , to reduce the uncertainties concerning the effective jet take-off angle. The characteristic air …

Air concentration distribution in deflector-jets

M Pfister, S Schwindt - Proceedings of the 5th IAHR International …, 2014 - infoscience.epfl.ch
… A hydraulic comparison of flip bucket and deflector generated jets indicate that: (1) The local
maximum dynamic pressure on deflectors is larger than on the corresponding flip buckets, …

[HTML][HTML] Deflector shape impact on aero-acoustic noise generation and propagation

MS Escartí-Guillem, S Hoyas, LM García-Raffi - Acta Astronautica, 2023 - Elsevier
… of the jet exhaust is the product of the engine thrust and the jet … The inclined deflector generated
plate and tail shocks, while … In contrast, the wedge deflector generated the lowest OASPL …

Deflector-jets affected by pre-aerated approach flow

M Pfister, WH Hager - Journal of Hydraulic Research, 2012 - Taylor & Francis
… related to the secondary jet disintegration, but not particularly the deflector-generated
The effect of pre-aerated approach flow on deflector-generated jets at the end of chutes was …

Evaluation and sensitivity analysis of three-dimensional numerical simulation for aerated deflector-generated jets in spillways

J He, J Yin, H He, P Ren, S Zhang, Z Du - Water Supply, 2023 - iwaponline.com
… and simulating deflector-generated jets in spillways accurately can prevent cavitation damage
of flood discharge structures, and alleviate impact damage of the water jet on downstream …

Effect of pre-aerated approach flow on delector-generated jets

M Pfister, J Lucas, W Hager - … of the 34th IAHR World Congress, 2011 - infoscience.epfl.ch
… , Vancouver, investigated deflectorgenerated jets in terms of their air concentration
characteristics. For jet impact onto a movable bed, the scour potential reduces as the jet air content …

Chute aerators: Steep deflectors and cavity subpressure

M Pfister - Journal of hydraulic engineering, 2011 - ascelibrary.org
… to guarantee free air flow below the jet. Thereby, choking of the pressure … jet length L
was visually detected as distance between x = 0 and the reattachment point P of the lower jet

Noise tests of a model engine-over-the-wing STOL configuration using a multijet nozzle with deflector

WA Olsen, R Friedman - 1973 - ntrs.nasa.gov
aircraft. It is an even more difficult problem for short takeoff and landing (STOL) aircraft because
these aircraft … 5 kilohertz the deflector generated significant noise compared to the nozzle …

Fan flow deflection in simulated turbofan exhaust

D Papamoschou - AIAA journal, 2006 - arc.aiaa.org
… 17 would suggest that jet 4V is very quiet downwards but not sidewards and that jet We is …
The wedge-type deflector generated significant noise attenuation in both the downward and …

Jet impact angle on chute downstream of aerator

M Pfister - Proceedings of the 4th IAHR International …, 2012 - infoscience.epfl.ch
… For deflector generated jets they propose … the jet, and (2) Cam at 1.25L giving the value
after jet impact. The streamwise air discharge QAF transported within the flow may be defined as …