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Atomization characteristics of alternative aviation biofuels, Jet A-1, and water from a hybrid airblast atomizer
Studies on the atomization of sustainable aviation fuels (SAF) from aircraft engine atomizers are essential to replace the present fossil type jet fuel to counter the rise in aviation-caused CO2 emissions in the atmosphere. ...
On Flow Physics of Spinning Samaras
A particular form of winged seed (samara) dispersal technique adopted by nature uses
autorotative (unpowered rotation of the wing generating thrust force against gravity)
descent; for eg. in Maple and Mahagony trees. ...
Physical insights into unstart dynamics of a hypersonic mixed compression intake
Hypersonic air-breathing cruise vehicles powered by supersonic combustion ramjet engines
are the potential candidate for future space and defense applications. The air intake of the
scramjet engine is a vital component ...
An Experimental Investigation of Transitional and Turbulent Channel Flow
This thesis is a comprehensive experimental investigation of transitional and turbulent channel
flow in the Reynolds number range of Reτ = 55 − 1559. Towards this objective, a new
channel flow facility was designed and ...
Numerical Study of Accelerating Turbulent Boundary Layers
This thesis focuses on the prediction of favourable pressure gradient turbulent boundary layer flows. Particularly, the focus is on mild favourable pressure gradient turbulent boundary layers and relaminarising turbulent ...
Torque transport, mean velocity profiles and turbulent statistics of a wide-gap Taylor Couette flow
Wall-bounded turbulent flows that possess finite curvature of the mean flow streamlines are known to be starkly different from their
plane counterparts. One of the primary distinguishing features of such flows is the ...
Liquid bridge breakup and detachment dynamics investigated using dynamic domain multiphase flow simulations
Liquid bridges, formed between two solid surfaces in close proximity are encountered in a variety of engineering and daily life applications. The dynamics of a liquid bridge including its evolution that typically involves ...
Insights of Evaporation Dynamics of an Interacting Linear Array of Droplet System
Manipulation of an array of sessile droplets organized in an ordered structure turns out to be of immense consequence in a wide variety of applications ranging from photonics, near field imaging and inkjet printing on one ...
Spray morphology and droplet characteristics in gas centered swirl coaxial (GCSC) atomizers
Studies on liquid atomization and spray formation in coaxial type atomizers are necessary to improve the performance of liquid propellant rocket engines. Recess ratio, expressed as the ratio of orifice recess length to ...
Evaporation Driven Oscillations and Particle Agglomeration in Pure and Complex Fluid Sessile Droplets
A sessile droplet forms a fundamental building block in analyzing particle distribution and deposition in both industrial applications and lab on a chip research such as inkjet printing, surface patterning, photonic crystals, ...