Study of steam jet characteristics and regime maps for bevelled spray nozzles exhausting into quiescent water

A Quddus, A Shah, KR Qureshi, MK Ayub… - International Journal of …, 2022 - Elsevier
Steam-water direct contact condensation phenomenon is being widely used in industrial
applications due to its rapid heat and mass transfer rates. The present experimental study …

An assessment of OpenFOAM solver on RANS simulations of round supersonic free jets

B Zang, US Vevek, HD Lim, X Wei, TH New - Journal of computational …, 2018 - Elsevier
Numerical performance of rhoCentralFoam, a compressible solver in OpenFOAM, was
studied by modeling round supersonic free jets with varying nozzle exit conditions through …

Experimental study on steam plume shape characteristics for bevelled spray nozzles exhausting into quiescent water

A Quddus, A Shah, KR Qureshi, MK Ayub… - … Engineering and Design, 2022 - Elsevier
Steam-water direct contact condensation phenomenon is being widely used in many
industries including chemical, thermal and especially in nuclear industry due to its efficient …

Short-time proper orthogonal decomposition of time-resolved schlieren images for transient jet screech characterization

HD Lim, XF Wei, B Zang, US Vevek, R Mariani… - Aerospace Science and …, 2020 - Elsevier
Abstract Short-time Proper Orthogonal Decomposition (POD) is proposed as an image-
based technique to study the transient jet screech characteristics of moderately under …

Effect of nozzle exit area on the performance of a turbojet engine

RH Sundararaj, TC Sekar, R Arora, A Kushari - Aerospace Science and …, 2021 - Elsevier
The thrust produced by a gas turbine engine can be optimized by suitably changing the
nozzle geometry in conjunction with other control parameters. However, varying the nozzle …

Numerical investigation of the bevelled effects on shock structure and screech noise in planar supersonic jets

CC Ye, PJY Zhang, ZH Wan, DJ Sun, XY Lu - Physics of Fluids, 2020 - pubs.aip.org
Rectangular supersonic jets exist widely in propulsion systems of aircrafts. When they are
imperfectly expanded under certain conditions, the upstream traveling waves referred to as …

Computational study on reducing flow asymmetry in over-expanded planar nozzle by incorporating double divergence

PP Nair, A Suryan, HD Kim - Aerospace Science and Technology, 2020 - Elsevier
Rocket nozzles accelerate combustion products or high pressure gases to
supersonic/hypersonic velocities. The planar nozzles have rectangular cross-sections. At …

Effects of bevelled nozzles on standoff shocks in supersonic impinging jets

HD Lim, TH New, R Mariani, YD Cui - Aerospace Science and Technology, 2019 - Elsevier
Moderately under-expanded jets issuing from a circular baseline and two bevelled circular
nozzles impinging upon a perpendicular flat plate were experimentally studied. The effects …

Heat effects on supersonic jet screech: a linear stability analysis based on parabolized stability equations

B Li, J Xu, B Lyu - Physics of Fluids, 2024 - pubs.aip.org
In this paper, we use the parabolized stability equations (PSEs) to investigate heat effects on
supersonic jet screech. The PSE is derived from the linear Euler equations, and the …

Shear layer dynamics in a supersonic rectangular multistream nozzle with an aft-deck

CM Stack, DV Gaitonde - AIAA Journal, 2018 - arc.aiaa.org
Large-eddy simulations are employed to analyze the flowfield generated by a multistream
propulsion system, comprised of a core Mach 1.6 single-sided expansion ramp stream …