Results 21 to 30 of about 83,028 (302)

A deformable microswimmer in a swirl: capturing and scattering dynamics [PDF]

open access: yes, 2014
Inspired by the classical Kepler and Rutherford problem, we investigate an analogous set-up in the context of active microswimmers: the behavior of a deformable microswimmer in a swirl flow. First we identify new steady bound states in the swirl flow and
Löwen, Hartmut   +2 more
core   +2 more sources

Experiment and numerical study of the combustion behavior of hydrogen-blended natural gas in swirl burners

open access: yesCase Studies in Thermal Engineering, 2022
Hydrogen production from renewable energy is gaining increasing attention to enhance energy consumption structure and foster a more eco-friendly and sustainable society.
Wei Du   +4 more
doaj   +1 more source

Effect of Swirl on Rotordynamic Forces Caused by Front Shroud Pump Leakage [PDF]

open access: yes, 2002
Unsteady forces generated by fluid flow through the impeller shroud leakage path of a centrifugal pump were investigated. The effect of leakage path inlet swirl (pump discharge swirl) on the rotordynamic forces was re-examined.
Brennen, Christopher E., Hsu, Yun
core   +1 more source

Model predictions and experimental results for the rotordynamic characteristics of leakage flows in centrifugal pumps [PDF]

open access: yes, 1993
The role played by fluid forces in determining the rotordynamic stability and characteristics of a centrifugal pump is gaining increasing attention. The present research investigates the contributions to the rotordynamic forces from the discharge-to ...
Brennen, Christopher E.   +1 more
core   +1 more source

Experimental Investigation of Rotor Tip Film Cooling at an Axial Turbine with Swirling Inflow Using Pressure Sensitive Paint

open access: yesInternational Journal of Turbomachinery, Propulsion and Power, 2019
Rotor tip film cooling is investigated at the Large Scale Turbine Rig, which is a 1.5-stage axial turbine rig operating at low speeds. Using pressure sensitive paint, the film cooling effectiveness η at a squealer-type blade tip with ...
Manuel Wilhelm, Heinz-Peter Schiffer
doaj   +1 more source

Flow distortion measurements in convoluted aero engine intakes [PDF]

open access: yes, 2015
The unsteady flowfields generated by convoluted aero engine intakes are major sources of instabilities that can compromise the performance of the downstream turbomachinery components.
Chiereghin, Nicola   +2 more
core   +2 more sources

Investigation of Flame Structure and PAHs’ Evolution in a Swirl-Stabilized Spray Flame at Elevated Pressure

open access: yesEnergies
Swirl spray combustion has attracted significant attention due to its common usage in gas turbines. However, the high pressure in many practical applications remains a major obstacle to the deep understanding of flame stability and pollutant formation ...
Wenyu Wang   +7 more
doaj   +1 more source

The Influence of Combustor Swirl on Pressure Losses and the Propagation of Coolant Flows at the Large Scale Turbine Rig (LSTR): Experimental and Numerical Investigation

open access: yesInternational Journal of Turbomachinery, Propulsion and Power, 2017
The aerothermal interaction of the combustor exit flow on the first vane row has been examined at the Large Scale Turbine Rig (LSTR) at Technische Universität Darmstadt (Darmstadt, Germany).
Holger Werschnik   +5 more
doaj   +1 more source

Effect of Hot Streak on Aerothermal Performance of High Pressure Turbine Guide Vane under Different Swirl Intensities

open access: yesAerospace, 2022
In advanced civil aero-engine, the gas exiting combustor typically features hot streak (HS) and swirl that affect the aerothermal performances of the high pressure (HP) nozzle guide vane (NGV).
Shenghui Zhang   +3 more
doaj   +1 more source

The Influence of Swirl Brakes on the Rotordynamic Forces Generated by Discharge-to-Suction Leakage Flows in Centrifugal Pumps [PDF]

open access: yes, 1993
Increasing interest has been give to swirl brakes as a means of reducing destabilizing rotordynamic forces due to leakage flows in new high speed rocket turbopumps.
Acosta, Allan J.   +3 more
core  

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