Open AccessVerification of the calculation modeling methods of the atomizing of a gas and gas-liquid stream from a pneumatic nozzle
Author(s) -
В. А. Кузнецов,
Aleksandr Shebelev,
И. С. Ануфриев,
E. Yu. Shadrin,
А. В. Минаков
Publication year - 2019
Publication title -
journal of physics. conference series
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.21
H-Index - 85
eISSN - 1742-6596
pISSN - 1742-6588
DOI - 10.1088/1742-6596/1261/1/012019
Subject(s) - reynolds averaged navier–stokes equations , turbulence , mechanics , nozzle , supersonic speed , reynolds stress , flow (mathematics) , reynolds number , computational fluid dynamics , compressibility , physics , momentum (technical analysis) , materials science , thermodynamics , finance , economics
The paper presents a verification of calculation modeling methods of atomizing of a gas and gas-liquid stream from a pneumatic nozzle based on the experimental data obtained in the IT SB RAS. Turbulent supersonic flow of compressible gas is considered here. Mathematical model includes description of gas phase motion based on the RANS (Reynolds Averaged Navier-Stokes) and URANS (Unsteady RANS) approach using two-parameter turbulence model k-ω SST and Reynolds Stress Model (RSM). The Lagrange method was used to model flow of water droplets. Dispersed phase is solved by tracking a large number of droplets through calculated flow field. Dispersed phase can exchange momentum, mass, and energy with fluid phase. Comparative analysis showed an acceptable qualitative and quantitative agreement between calculation and experiment, both for subsonic and supersonic flow.