Sudden Expansion
Investigation of Newtonian Fluid Flow through a Two- dimensional Sudden Expansion and Sudden Contraction Flow Passage
... where sudden contraction or sudden expansion of the geometry takes place is encountered in many engineering applications such as tubular heat exchangers, capillary-tube viscometry, polymer ...
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Numerical Study of Two Dimensional Laminar Jet Flow Past a Sudden Expansion
... symmetric sudden expansion configuration is ...the expansion region has been ...the expansion region is brought about by varying the length of the inlet ...
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A 2-D Flow Simulation for Sudden Expansion with Central Restriction and Suction
... plain sudden expansion, sudden expansion with 40% central restriction and sudden expansion with 40% central restriction along with 10% suction ...the sudden ...
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Experimental Studies on Low Speed Converging Nozzle Flow with Sudden Expansion
... Triggered primarily by the requirements in technological developments, numerous research investigations have been reported in literature devoted to reducing the base drag penalty employing both active as well as passive ...
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Steady flow of power-law fluids in a 1:3 planar sudden expansion
... the sudden expansion is a well-known geometry for studies of laminar flow instabilities at high Reynolds numbers, in recent years it has naturally started to attract the attention of researchers in the ...
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Study on Pressure Characteristics of Fluid Passing through a Sudden Expansion with Central Restriction and Fence
... Khezzar et al. [4] have experimentally performed to quantify the isothermal and combusting flows downstream of a plane sudden expansion. They have used an area ratio of 2.86 and a Reynolds number of 20000. ...
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Using modal decompositions to explain the sudden expansion of the mixing layer in the wake of a groyne in a shallow flow
... the sudden expansion of the mixing layer is a function of the flow ...the sudden expansion. Therefore the location of the sudden expansion of the mixing layer, and its occurrence, ...
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Using modal decompositions to explain the sudden expansion of the mixing layer in the wake of a groyne in a shallow flow
... the sudden expansion (highlighted in ...The sudden expansion is further shown to occur in the streamwise autocorrelation function in ...
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Investigation of surface deposition in a simulated fuel injector feed arm with sudden expansion/contraction
... Formation of surface carbonaceous deposits at inner surface of two classes of simulated jet engine burner feed arm including a straight tube as well as two tubes with sudden expansion/contraction was ...
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Effects of Micro jets on the Flow Field of the Duct with Sudden Expansion
... The influence of the micro jets as a dynamic control mechanism was investigated experimentally by doing the experiments through the CD nozzle with sudden expansion. The significant parameters considered to ...
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Experimental Determination of Local Resistance Coefficient of Sudden Expansion Tube
... In 2009, Zhao Haiyan et al. concluded through numerical simulation analysis that the backflow zone expands with the increase of expansion ratio, so does the eddy size. The existence of eddy necessarily consumes ...
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Pressure Characteristics Study for the Configuration of Sudden Expansion with Central Restriction and Suction
... plain sudden expansion configuration, the fluid is required to flow through a passage of sudden increasing cross-sectional area; this results in a recovery of static ...in sudden ...
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Analysis of the Turbulent Fluid Flow in an Axi-symmetric Sudden Expansion
... the sudden expansion passage is of scientific and industrial ...axi-symmetric sudden expansion passage has been carried out by using modified model, taking into consideration the effects of ...
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Non Newtonian Two Phase Flow Characteristics across Sudden Expansion in Horizontal Rectangular Minichannel
... and expansion are commonly seen in piping of many industrial systems and/or ...U-bend, sudden expansion and sudden contraction in rectangular ...across sudden contraction using air and ...
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Establishment of a coastal fish in the Azores : recent colonisation or sudden expansion of an ancient relict population?
... The processes and timescales associated with ocean-wide changes in the distribution of marine species have intrigued biologists since Darwin ’ s earliest insights into biogeography. The Azores, a mid-Atlantic volcanic ...
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Investigation of the Flowfield at sonic and Supersonic Mach numbers with Sudden Expansion
... The wall pressure along the duct is shown in Fig. 7. When NPR values are from 3 to 7 the jet exiting from the converging nozzle is under-expanded. Due to jets being under expanded an expansion fan will be located ...
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Pressure History During Flashing Caused by a Sudden Expansion EUR 5039
... 50,— The pressure history in a flashing liquid which follows a volume step is calculated on the basis of the « thin thermal layer model · considering also the rise of the bubbles formed [r] ...
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CFD Analysis of Four Jet Flow at Mach 1.74 with Fluent Software - Volume 1 Number 4 (Dec. 2010) - IJCEA
... in Sudden Expansion in Flow through Nozzles: A Fuzzy Logic Approach” and there findings are minimum pressure loss takes place when the length to diameter ratio is one and it is seen that the results given ...
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Reduction Of Primary Re-Circulation Loss Zones For Expanded Flows
... Fig. 7 represents variation of attachment point/step height for Lmax/Lmin = 5 at various operating conditions. The attachment point/step height occurs at 3 for without blowing and suction from the vertical wall and this ...
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CFD Analysis of Twin Jet Flow At Mach 1.74 with Fluent Software
... K.M.Pandey[1] worked on the topic of “Wall Static Pressure Variation in Sudden Expansion in Flow through De Laval Nozzles at Mach 1.74 And 2.23: A Fuzzy Logic Approach” and his findings are- The analysis of ...
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