recirculation zone
Annular impinging jet with recirculation zone expanded by acoustic excitation
... point exists at the point of intersection of the nozzle axis with the wall, and no other stagnation points are on the wall. Maximum heat/mass transfer is achieved at the central single stagnation point, the heat/mass ...
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On the recirculation zone suppression behind HUMP profile using the DBD actuator
... The effect of duty cycle is also crucial at the first position also. Duty cycle of 90% does not evoke the ionic wind for desirable time and flow separates at the identical point as in the base case and it creates quite ...
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The analysis of recirculation zone and ignition position of non-premixed bluff-body for biogas mild combustion
... Computational Fluid Dynamics (CFD) offers a cost-effective method especially in the beginning of the combustor design and parameter setting stage. It was therefore used here to study the recirculation zone ...
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Analysis of recirculation zone and ignition position of non-premixed bluff-body for biogas mild combustion
... the recirculation zone and the ignition location for the non-premixed MILD combustion bluff-body burner was done using ...The recirculation zone was formed due to the bluff-body, increasing ...
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Review of Swirl Generator Used In Gas Turbine Combustor
... pressure zone such as internal recirculation zone and external recirculation zone which will help in mixing fuel air and stabilizing the flame in combustion ...
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Investigation of a promising method for spraying liquid hydrocarbons using the shadow photography method
... 10, recirculation zone – 11; (b) visualization of fuel spraying by a jet of superheated steam; (c) characteristic stable combustion in the burner unit by the example of used transmission ...
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Experimental Study on the Flow Characteristics of ￢ Type Groyne
... A groyne is a structure installed around the front part of the lakeside or riverside to protect the river or embank- ment from erosion caused by flows through the control of flow direction and velocity in a river. A ...
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Performance Evaluation of Combustor by Using Different Swirler
... flow recirculation zone that entrains and circulates apportion of the hot combustion products in the gas turbine combustor ...This recirculation zone not only acts as a heat source, but it ...
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Flow through Semi-Circular Obstructions in A Channel – Obstructions on the Same Side of the Channel
... of recirculation zone, axial velocity profile and low shear stress with stenosis ...Since recirculation zone is not depending on the stenosis length, therefore it can be stated that during ...
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Particle image velocimetry investigation of steady flow over a backwardfacing step
... Abstract. The backward-facing step (BFS) is a heuristic example, allowing for complex phenomena to arise in a simple geometry. Particle Image Velocimetry (PIV) investigations of mean-velocity distributions of ...
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Numerical Simulation Of Combustion In A Single Element H2-O2 Cryogenic Engine
... to get an insight into the main processes involved in the ignition of cryogenic engines. The pressure, temperature, velocity profile and propellant mass fraction variation along the combustion chamber is addressed. The ...
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Experimental Analysis of Flow through Rotating Swirler with Effect of Guide Vane
... Swirling flows offer an interesting field of study for aerospace and mechanical engineers in general and for combustion engineers in particular, since it involves complex interaction of recirculation and turbulent ...
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Interaction vortex - boundary layer : numerical study of wall mechanisms
... , 10 4 and 10 5 , and three values of vortex circulation, in negative and positive cases. The pressure gradient induced by the vortex convection generates, through the Lighthill’s mechanism, a vorticity flux at the wall ...
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MHD effect on Nanofluid Flow and Heat transfer in Backward-Facing Step using two-phase Model
... increased velocity gradient at that region in higher magnetic fields. The magnitude of changes by change of Ha number is nonlinear as shown in Fig. 14(a). Fig. 14(b) indicates that the responsible mechanism for increase ...
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A 2-D Flow Simulation for Sudden Expansion with Central Restriction and Suction
... inlet zone and suction at top on vertical wall has been carried ...corner zone decreases with increase in suction percentage but central recirculation zone remains more or less same with the ...
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Flow Characteristic Variations on Groyne Types for Aquatic Habitats
... occurring recirculation zone by flow separation and main field occurring flow change by pro- trusion of ...in recirculation zone is low and various comparing to main stream so that recir- ...
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Assessment of Habitats according to Groyne Types (Using Pale Chub)
... groyne zone and the recirculation zone in the downstream area of a river could have envi- ronmental functions such as shelters for fish during floods and habitats for a variety of aquatic ...groyne ...
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DEDICATED EXHAUST GAS RECIRCULATION IN SPARK IGNITION ENGINES
... The impact of high levels of exhaust gas recirculation (EGR) has been well docu- mented to decrease fuel consumption and reduce emissions of spark ignition engines. But there are also many limitations associated ...
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Recirculation of Innate Lymphocyte Subsets in the Skin
... The recirculation and migration of innate lymphocytes is critical to their contribution to immune responses. γδ T cells are rapidly responding T lymphocytes that secrete cytokines, such as IL-17, earlier than ...
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REVIEW PAPER ON EXHAUST GAS RECIRCULATION
... gas recirculation (EGR), soot traps and exhaust gas after treatment are essential to cater to the challenges posed by increasingly stringent environmental emission ...
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