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Influence of the variable geometry of the flow switch nozzle exit on the metrological characteristics of a calibration unit with weighing devices
This article discusses the issues regarding the improvement of the metrological characteristics, weight, dimensions, and technical and economic...
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Unsteady Flow in a Dual-Bell Nozzle with Displacement of an Extendible Section from the Initial to Working Position
AbstractThe use of extendible nozzles in propulsion systems is one potential way to increase the nozzle expansion ratio and the specific thrust....
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EFFECT OF INTERNAL PYLONS ON THE PARAMETERS OF THE JET FLOW IN A NOZZLE WITH A CENTRAL BODY
AbstractA high-velocity flow in an axisymmetric nozzle containing a central body and pylons is studied. The influence of the geometry of the main and...
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Numerical Study on the Effect of the Nozzle Pressure Ratio on the Starting Characteristics of the Axisymmetric Divergent Dual Throat Nozzle
AbstractThe effect of nozzle pressure ratio (NPR) on the starting characteristics of an axisymmetric divergent dual throat nozzle is investigated...
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EFFECT OF THE NOZZLE—SURFACE DISTANCE ON HEAT TRANSFER DURING BOILING IN A FORCED LIQUID FLOW
AbstractThis paper presents the results of experimental studies of cooling a zirconium ball in subcooled ethanol under the action of a submerged jet....
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ATOMIZATION OF SUPERHEATED WATER DISCHARGING THROUGH A DIVERGENT NOZZLE
AbstractThe atomization of metastable superheated water injected into the atmosphere through a convergent-divergent nozzle at a temperature of...
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Experimental Study of a Near-wall Liquid Film Outflow with a Co-current Gas Flow from a Nozzle into a Vacuum. 1. Interaction Inside the Nozzle
Abstract —Interaction of co-current gas flow with near-wall liquid film inside a nozzle (cylindrical channel) under ejection into vacuum is studied...
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Study of decay, spread, and shock structure of a supersonic jet issuing from a C-D nozzle with semi-circular grooves
Two diametrically opposite internal grooves were introduced in the diverging section of a supersonic nozzle. Experiments were conducted to find the...
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Influence of the Cavitator and Nozzle Parameters on the Efficiency of Operation of a Generator of Pulsed Jets
AbstractThe regime of cavitation self-oscillations in a hydraulic system that contains a ventilated cavity with a negative cavitation number is used...
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SUPERSONIC GAS FLOW FROM AN ANNULAR NOZZLE INTO A LOW-PRESSURE CHAMBER WITH AN AXIAL CHANNEL: KINETIC AND CONTINUUM SOLUTIONS
AbstractSupersonic gas flow from an annular nozzle into a low-pressure chamber is studied numerically using kinetic and continuum approaches. Such...
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On dynamical and thermal behavior of an im**ing jet involving a chevron nozzle
A three-dimensional turbulent round jet im**ing on a heated flat plate is investigated numerically. The effects of the nozzle geometry and...
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Experimental Study of Strut Insertion Technique in a Convergent-Divergent Nozzle for Thrust Vector Control
AbstractThe purpose of this paper is to present the findings from the data obtained from experiments conducted on a solid strut insertion technique...
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Radial characterization of an ion beam in a deflected magnetic nozzle
The radial characterization of an ion beam generated in a magnetically steered radio-frequency (RF) plasma source is presented. In the symmetrical...
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Experimental Study and Simulation of Cavitation Shedding in Diesel Engine Nozzle using Proper Orthogonal Decomposition and Large Eddy Simulation
The unsteady cloud cavitation shedding in fuel nozzles greatly influences the flow characteristics and spray break-up of fuel, thereby causing...
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Effects of the nozzle throat diameter on the flow properties of an inductively coupled plasma heater
In this study, the non-equilibrium subsonic and supersonic inductively coupled plasmas (ICPs) in an ICP heater were numerically simulated and...
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Nozzle Contraction Effect on the Performance of the Generator of Periodic Pulsed Jets
AbstractExperimental investigations of liquid jet flows performed earlier in the presence of an artificial cavity having a negative cavitation number...
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Diffusion Combustion of Hydrogen in a Microjet Outflowing from a Curvilinear Channel
Abstract—In this paper, we examine the combustion of a hydrogen microjet outflowing from a curved channel with a round micronozzle. Jet flows that...
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Noise Reduction for a High-Speed Jet of an SST Engine Based on Acoustic Test Results for a Rectangular Nozzle in the TsAGI AC-2 Anechoic Chamber
AbstractIt is understood that jet noise is an important noise source of future supersonic civil transport (SST) during takeoff and cutback regimes so...
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Analysis of the radiated emission of an ECR thruster with magnetic nozzle in terms of its EMC
The demand for space propulsion systems is increasing due to the rising number of satellite launches. Electric thrusters gain considerable importance...
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Modeling of dynamics of supercritical water jet outflowing from a thin nozzle
The fluid dynamics of a water fluid jet with supercritical state parameters outflowing from a high-pressure vessel through a thin nozzle is...