Showing 1 - 20 results of 68 for search '"NPR"', query time: 0.05s Refine Results
  1. 1
    Studies on flow from converging nozzle and the effect of nozzle pressure ratio for area ratio of 6.25
    by Ashfaq, Syed, Khan, Sher Afghan
    Published 2014
    “… pressure ratio (NPR) used were from 1.5 to 3, in steps of 0.5 and experiments were conducted for NPR 1.5…”
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  2. 2
    Passive control of base drag employing dimple in subsonic suddenly expanded flow
    “… of dimples to control the base pressure in Backward facing step (BFS) for various Nozzle pressure ratio (NPR…”
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  3. 3
    Investigation of efficacy of low length-to-diameter ratio and nozzle pressure ratio on base pressure in an abruptly expanded flow
    by Ahmed, Fharrukh, Khan, Sher Afghan
    Published 2018
    “… and experiments were conducted for Nozzle Pressure Ratio (NPR) from 3 to 11. Since the jets Mach numbers are high…”
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  4. 4
    Passive control of base pressure with static cylinder at supersonic flow
    “… the base drag as high as 59 percent at NPR = 9 and 14 percent at NPR = 6. The base pressure depends on Mach…”
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  5. 5
    Counter clockwise rotation of cylinder with variable position to control base flows
    “… the square duct length has been measured with and without control. The experiments were carried out for NPR…”
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  6. 6
    Influence of expansion level on base pressure and reattachment length
    “… of the Nozzle Pressure Ratio (NPR) on the base pressure, development of the flow field in the enlarged duct…”
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  7. 7
    Studies on flow from convergent nozzle with sudden expansion and control effectiveness under the influence of micro jets
    by Ashfaq, Syed, Khan, Sher Afghan
    Published 2013
    “… of suddenly expanded duct to nozzle exit area studied is 4.84. Nozzle pressure ratio (NPR) and length…”
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  8. 8
    Numerical simulation of suddenly expanded flow at Mach 2.2
    “… dynamics software. The numerical simulations carried for nozzle pressure ratio’s (NPR) 3, 5, 7, 9 and 11…”
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  9. 9
    Control of suddenly expanded flow at low supersonic Mach numbers
    “… are the diameter ratio, length to diameter ratio (L/D), Nozzle Pressure Ratio (NPR), and the Mach number…”
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  10. 10
    Combined effect of nozzle pressure ratio and screech prone supersonic mach number in a suddenly expanded flow
    “… of the suddenly expanded duct was varied from 10 to 1 and experiment were conducted for Nozzle Pressure Ratio (NPR…”
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  11. 11
    Control of suddenly expanded flow for area ratio 3.61
    “… of base pressure. The area ratio of the present study is 3.61. The nozzle pressure ratio (NPR) used were…”
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  12. 12
    Effect of mach number in a suddenly expanded flow for area ratio 4.84
    “… and the nozzle pressure ratio (NPR) are the flow parameters considered. The area ratio (i.e. ratio between cross…”
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  13. 13
    New Parameter Reduction of Soft Sets
    by Ma, Xiuqin
    Published 2012
    “…. The most recent concept of Normal Parameter Reduction (NPR) is introduced, which overcomes the problem…”
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  14. 14
    Effect on base pressure in suddenly expanded flows with variable location of microjets
    “… generating the above jet Mach numbers were operated with nozzle pressure ratio (NPR) in the range 3 to 11…”
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  15. 15
    Effect of level of expansion and inertia level in a suddenly expanded flow
    “… for Nozzle Pressure Ratio (NPR) from 3 to 11. Since the jets remain over expanded for all the NPRs…”
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  16. 16
    Experimental and numerical studies on flow from axisymmetric nozzle flow with sudden expansion for Mach 3.0 using CFD
    “… control parameters considered in the study are the nozzle pressure ratio (NPR) and length-to-diameter (L…”
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  17. 17
    Active control of base pressure with counter clockwise rotating cylinder at Mach 2
    “… by operating jets for different nozzle pressure ratios (NPR). The wall pressure distribution was also…”
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  18. 18
    Experimental investigation of the base flow and base pressure of sudden expansion nozzle
    “…. The nozzle pressure ratio (NPR) used were 3 and 5. The length-to-diameter ratio of the enlarged duct…”
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  19. 19
    Experimental and numerical studies on flow from axisymmetric nozzle flow with sudden expansion for mach 3.0 using CFD.
    “… parameters considered in the current study are the nozzle pressure ratio (NPR) and length-to-diameter (L/D…”
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  20. 20
    People's Perspectives on ID and Civil Registration in Rwanda
    by World Bank
    Published 2021
    “…Rwanda's electronic national population register (NPR) and ID project was first…”
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