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Stability of wall-bounded compressible shear flows
In this work, the linear stability of compressible shear flows in channels and pipes are studied. A steady fully-developed laminar flow of an ideal gas, driven in a channel and a pipe by a constant body acceleration, is ...
ALE-based Monolithic Finite Element Strategies for Fluid Structure Interaction Problems
Fluid-structure interactions (FSI) represent a class of engineering problems which involve a two-way coupling between the solid motion and the fluid flow. The deformation of the solid caused by the fluid forces at the ...
Experimental investigation of syngas combustion using a novel two-stage combustor
In recent years, syngas has gained research interest as the focus shifts from fossil to renewable fuels. Syngas generated from biomass such as wood, agricultural residue, and paper is a promising fuel to achieve net-zero ...
On the development of sensible heat storage for concentrated solar power applications: Thermo-fluid management and materials
Sensible heat storages have extensive use in thermal energy deployment, including concentrated
solar power (CSP) applications. Usually, CSP pants demand various techno-economic features
in sensible heat storage, such as ...
Turbulent Free Moist Convection over Horizontal Surfaces
The heat and moisture loss from water surfaces are important in many natural and industrial systems. For example, the natural water cycle where water evaporates from the lakes, rivers, and seas, rises in the atmosphere, ...
Vaned Diffuser Effect on Centrifugal Compressor Performance and Stall
A centrifugal compressor is a mechanical device that helps to achieve higher pressure ratios at lower mass flow rates. It is used in many applications such as turbochargers, cruise missiles, and turbojet engines where ...
Interaction of bubble(s) and buoyant rigid particles with vortical structures: Towards understanding bubbly turbulent flows
Bubbly turbulent flows occur in many places, such as in chemical reactors and geophysical
applications, besides interest from the drag reduction perspective using injected bubbles in a (water)
boundary layer. In these ...
Experimental and Numerical Studies on an Automobile Air Conditioning System with Refrigerants R134a, R1234yf and R1234ze(E)
The HydroFluoroCarbons (HFCs) synthesized as alternatives to ChloroFluoroCarbons (CFCs), though friendly to tratospheric ozone, have high Global Warming Potential (GWP). Despite this, numerous applications currently employ ...
Coalescence of Polymeric Droplets
Coalescence is an energy minimization phenomenon in which two equilibrium droplets undergo
a transition to attain a final equilibrium state, i.e., a coalesced state. Coalescence begins
with a point contact between the ...
Sub-Newtonian Coalescence in Polymeric Fluids
Droplet coalescence is a thermodynamic equilibration process driven by surface energy
minimization. The physics of this phenomenon is characterized by the temporal evolution
of a liquid bridge formed upon the proximate ...