CFD Investigation of a Co-Flow Nozzle for Cold Spray Additive Manufacturing Applications

AK Sharma, A Vashishtha, D Callaghan… - Journal of Thermal …, 2024 - Springer
This current work evaluates the efficacy of a co-flow nozzle for cold spray applications with
the aim of mitigating nozzle clogging issues, which can occur during long-duration …

Experimental studies on co-flowing subsonic and sonic jets

P Lovaraju, E Rathakrishnan - Flow, turbulence and combustion, 2011 - Springer
Abstract Effect of an annular co-flow jet on the center jet at subsonic, correctly expanded and
underexpanded sonic conditions was studied experimentally. It is found that the co-flow …

Effect of inner nozzle lip thickness on co-flow jet characteristics

T Srinivasarao, ID Murthy, P Lovaraju… - International Journal of …, 2017 - degruyter.com
This paper presents the experimental results of subsonic and underexpanded sonic jets
delivered from a central nozzle surrounded by a co-flow. The role of central nozzle lip …

Experimental study of supersonic co-flowing jet

D Satyajit, E Rathakrishnan - Proceedings of the institution of …, 2019 - journals.sagepub.com
A detailed experimental study was carried out to investigate the behaviour of a Mach 2
primary jet in the presence of a Mach 1.6 annular co-flow. The lip thickness of the inner …

Characteristics of co-flow jets from orifices

T Srinivasarao, P Lovaraju… - International Journal of …, 2014 - degruyter.com
This paper presents the results of high-speed co-flow jets from orifices with two annular gaps
tested with a single feed system. The co-flow models consist of a primary orifice of 10 mm …

Numerical analysis of supersonic co-flow jet with varying lip thickness

K Anusindhiya, SK BR - Aircraft Engineering and Aerospace …, 2021 - emerald.com
Purpose This study aims to present the numerical study on supersonic jet mixing
characteristics of the co-flow jet by varying lip thickness (LT). The LT chosen for the study is …

[PDF][PDF] Effect of co-flow on near field shock structure

T Srinivasarao, P Lovaraju, E Rathakrishnan - 2012 - researchgate.net
This paper presents the experimental results of underexpanded jets delivered from a central
nozzle surrounded by a co-flow. The co-flow is found to be effective in elongating the …

Investigation of mixing characteristics of coflow rectangular nozzle of aspect ratio 2 and 3

VK Murugesan, AK Suseela Moorthi… - Aircraft Engineering …, 2022 - emerald.com
Purpose The purpose of this study is to understand experimentally the mixing characteristics
of a two-stream exhaust system with a supersonic Mach 1.5 primary jet that exits the …

Supersonic jet mixing in the presence of two annular co-flow streams

P Vasanthakumar, AK Suseela Moorthi… - International Journal of …, 2024 - degruyter.com
The mixing characteristics of a Mach 1.9 jet at three levels of overexpansion, corresponding
to nozzle pressure ratio (NPR) 3, 4 and 5, in the presence of a sonic co-flow (secondary …

Effect of varying velocity ratio and separation distance on thin lip coaxial jet

NS Radha Krishnan, G VG, SK K - Aircraft Engineering and …, 2023 - emerald.com
Purpose In comparison to a nozzle with a larger/finite separation distance (Thanigaiarasu et
al., 2019), a thin-lip nozzle (Srinivasarao et al., 2017) minimizes drag. Coaxial nozzles with …