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High-Performance Acousto-Hydraulic method for generating fine aerosols for air and surface disinfection. [PDF]

Ultrason Sonochem
Kudryashova O, Shalunov A, Terentiev S, Khmelev V.   +3 more
europepmc   +1 more source

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SPRAY CHARACTERISTICS OF AN OPEN-END SWIRL INJECTOR

Atomization and Sprays, 2012
The open-end swirl injector is unique because it has no convergent nozzle; i.e., the diameter of the swirl chamber and the nozzle is the same. Open-end swirl injectors are widely used in Russian oxidizer-rich staged combustion cycle engines, such as the preburner and main chamber injectors used in liquid-oxygen (LOX)/kerosene engines RD-120, RD-170 ...
Qing-Fei Fu, Li-Jun Yang
exaly   +2 more sources

Spray characteristics of gel propellants in an open-end swirl injector

Fuel, 2019
Abstract Gel propellants have both liquid and solid characteristics, giving them a broad array of application possibilities; because they are a type of power law fluid, high viscosity and difficulty in atomization have restricted their application in the aerospace field.
Qingfei Fu, Li-Jun Yang
exaly   +2 more sources

EFFECT OF GAS SWIRL ON THE PERFORMANCE OF A GAS-CENTERED SWIRL CO-AXIAL INJECTOR

Atomization and Sprays, 2017
Mahesh V Panchagnula, T John Tharakan
exaly   +2 more sources

Dimensioning a Simplex Swirl Injector

50th AIAA/ASME/SAE/ASEE Joint Propulsion Conference, 2014
This paper presents a methodology for sizing swirl injectors that is relevant to liquid rocket engine application, as well as, analyses the results of the experiments executed to investigate the validity of the proposed model. On the first part of this paper, a set of equations used to define the injector dimensions is presented.
Rene Nardi, Sergio Neto, Amilcar Pimenta, Vladia Perez   +3 more
openaire   +1 more source

Swirl Coaxial Injector Development

41st Aerospace Sciences Meeting and Exhibit, 2003
Abstract : Sierra Engineering and the Air Force Research Laboratory Propulsion Directorate, have undertaken a program to develop gas-centered, swirl coaxial injectors. This injector design will be used in the multi-element Advanced Fuels Tester (AFT) engine to test a variety of hydrocarbon propellants.
Richard Cohn, Peter Strakey, Ron Bates, Doug Talley, Jeff Muss, Curtis Johnson   +5 more
openaire   +1 more source

A comparison of the flowfields and emissions of high-swirl injectors and low-swirl injectors for lean premixed gas turbines

Proceedings of the Combustion Institute, 2005
Abstract A new approach for low emission gas turbines was investigated by modifying a typical production high-swirl injector (HSI) for gas turbine combustors to operate in a novel low-swirl mode (LSI). This LSI (S = 0.5) was configured in the laboratory and investigated by particle image velocimetry at firing rates of 9–87 kW ...
M.R. Johnson, D. Littlejohn, W.A. Nazeer, K.O. Smith, R.K. Cheng   +4 more
openaire   +1 more source

Unsteady breakup of a swirl coaxial injector

33rd Joint Propulsion Conference and Exhibit, 1997
The shedding of ligaments and droplets from swirling liquid sheets under atmospheric conditions are studied using two methods. First, photographs are taken and wavelengths are measured directly. Velocimetry data shows that droplets are moving at approximately 13 m/s at 50 mm (axially) downstream of the injector tip.
Richard Eskridge, Noah Rhys, Marlow Moser, Noah Rhys, Marlow Moser, Richard Eskridge   +5 more
openaire   +1 more source

The Design and Characteristics of a Novel Injector: A Lobed Swirl Injector

Volume 4A: Combustion, Fuels and Emissions, 2017
The design procedure of a novel injector — a lobed swirl injector is presented. The lobed swirl injector can play an effective role in swirl generation and enhancing the mixing. Besides, by adjusting the axial position of the lobed swirler, non-premixed combustion can evolve into premixed combustion, and vice versa.
Li Gang, Zhao Yujun, Liu Cunxi, Jiang Xi, Chen Qi, Xu Gang, Mu Yong   +6 more
openaire   +1 more source

Modeling Swirl Decay Rate of Turbulent Flows in Annular Swirl Injectors

AIAA Journal, 2018
Gas turbine combustors often use swirling flows to generate central-toroidal recirculation zones for flame stabilization.
Jaehoon Choi, Eunbeom Jung, Seongwon Kang, Hyungrok Do   +3 more
openaire   +1 more source