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Relevant bibliographies by topics / Converging-Diverging (C-D) nozzle

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Academic literature on the topic 'Converging-Diverging (C-D) nozzle'

Author: Grafiati

Published: 4 June 2025

Last updated: 1 August 2025

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Journal articles on the topic "Converging-Diverging (C-D) nozzle"

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Ridwan, Muhammed Ammar Rusydi Rosnin, Abdul Aabid, Sher Afghan Khan, Jaffar Syed Mohamed Ali, and Mohd. Azan Mohammed Sapardi. "Effect of Expansion Level and Relief to Shear Layer in a Suddenly Expanded Flow: A CFD Approach." Journal of Advanced Research in Fluid Mechanics and Thermal Sciences 100, no. 3 (2022): 202–29. http://dx.doi.org/10.37934/arfmts.100.3.202229.

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Computational Fluid Dynamics analysis was used to study the effect of expansion level in a suddenly expanded flow for a converging-diverging nozzle expanded to the duct of larger diameter at supersonic Mach number. Parameters include the nozzle pressure ratio (NPR), L/D ratio, and area ratio. The model of the converging-diverging (C-D) nozzle suddenly expanding into the enlarged duct with the cavity was created using the Design Modeler of ANSYS Fluent. The Mach number of the study is 1.6. The area ratio varied from 2.25 to 5.29, and the L/D ranged from 1 to 10. The simulated nozzle pressure ra

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2

Khalid, M. W., та M. Ashan. "Computational Fluid Dynamics Analysis of Compressible Flow Through a Converging-Diverging Nozzle using the k-ε Turbulence Model". Engineering, Technology & Applied Science Research 10, № 1 (2020): 5180–85. https://doi.org/10.5281/zenodo.3659532.

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The thrust produced by a rocket motor is mainly dependent upon the expansion of the product gases through a nozzle. The nozzle is used to accelerate the gases produced in the combustion chamber and convert the chemical-potential energy into kinetic energy so that the gases exit the nozzle at very high velocity. It converts the high pressure, high temperature, and low-velocity gas in the combustion chamber into high-velocity gas of lower pressure and low temperature. The design of a nozzle has particular importance in determining the thrust and performance of a rocket. In recent years, it has r

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KROTHAPALLI, A., E. RAJKUPERAN, F. ALVI, and L. LOURENCO. "Flow field and noise characteristics of a supersonic impinging jet." Journal of Fluid Mechanics 392 (August 10, 1999): 155–81. http://dx.doi.org/10.1017/s0022112099005406.

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This paper describes the results of a study examining the flow and acoustic characteristics of an axisymmetric supersonic jet issuing from a sonic and a Mach 1.5 converging–diverging (C–D) nozzle and impinging on a ground plane. Emphasis is placed on the Mach 1.5 nozzle with the sonic nozzle used mainly for comparison. A large-diameter circular plate was attached at the nozzle exit to measure the forces generated on the plate owing to jet impingement. The experimental results described in this paper include lift loss, particle image velocimetry (PIV) and acoustic measurements. Suckdown forces

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Chen, Wei-Lin, Ahmad I. Abbas, Ryan N. Ott, and Ryoichi S. Amano. "Investigation of Liquid Breakup Process Solid Rocket Motor Part A: Horizontal Converging–Diverging Nozzle." Journal of Energy Resources Technology 142, no. 5 (2020). http://dx.doi.org/10.1115/1.4046081.

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Abstract This paper presents a solid rocket motor (SRM), both experiment and simulation of alumina molten flow patterns using the cold flow case. The combustion of aluminum composite propellants in SRM chambers causes high-temperature and pressure conditions resulting in the liquid alumina (Al2O3) as a combustion product, and it tends to agglomerate into molten droplets, which impinge on the propulsion chamber walls and then flow along the nozzle wall. This liquid alumina in the flow creates problems such as chemical erosion of the propellant and mechanical erosion of the nozzle. Thus, particl

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Arvind, S., K. C. Arvind, Asha Karthikeyan, G. G. Thirupthika, R. Asad Ahmed, and K. Dhamodaran. "Numerical Investigation on Passive Control of Supersonic Jets using Slanted Perforated Jet Tabs." International Journal of Vehicle Structures and Systems 15, no. 7 (2023). https://doi.org/10.4273/ijvss.15.7.16.

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The primary objective of this paper is to investigate the performance of C-D (converging-diverging) nozzles with slanted perforated tabs through numerical simulations. Specifically, the paper focuses on the simulation of supersonic jets controlled by these slanted perforated tabs to evaluate their effectiveness in enhancing mixing efficiency. The simulation methodology involves developing a computational model of the jet and the tabs, utilizing mathematical equations and numerical techniques to solve for fluid flow, pressure, and other relevant variables. This computational approach enables th

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Conference papers on the topic "Converging-Diverging (C-D) nozzle"

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Davis, Michael P., Patrick F. Dunn, and Flint O. Thomas. "Jet Fuel Cavitation in a Converging Diverging Nozzle." In ASME/JSME 2007 5th Joint Fluids Engineering Conference. ASMEDC, 2007. http://dx.doi.org/10.1115/fedsm2007-37108.

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The focus of this research proposal is the experimental characterization of fuel cavitation in flow through a converging-diverging nozzle. Cavitation of fuel presents additional complexities (as compared to that in water) because fuel is a multi-component mixture. In any practical engineering environment, large quantities of solid microparticles are resident in the fuel. Gas nuclei trapped on these microparticles has been shown to enhance bubble production in water, and their effect on fuel cavitation is an issue that will be investigated. Measurements also will be made with cavitating water f

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Murray, N., G. Lyons, C. E. Tinney, et al. "A Laboratory Framework for Synchronous Near/Far-Field Acoustics and MHz PIV in High-Temperature, Shock-Containing, Jets." In ASME 2012 Noise Control and Acoustics Division Conference at InterNoise 2012. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/ncad2012-1270.

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This paper describes the experimental study of the noise generating characteristics of high-temperature, shock-containing jets emanating from conic-section, converging-diverging (C-D) nozzles. Conic C-D nozzles consist of two conic sections, one contracting and the other expanding, joined to form a supersonic nozzle with a very sharp radius of curvature at the nozzle throat. An experiment is conducted in which temporally resolved flow-field measurements are acquired simultaneously with near-field and far-field acoustics to allow investigation of the turbulence associated with noise generation.

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Wisniewski, Carl S., Sean R. Niemi, and Matthew J. Traum. "A Sonic Throttle Body Characterization Flow Bench Adapted for Fluids Laboratory Instruction via Energy Engineering Laboratory Module Pedagogy." In ASME 2023 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2023. http://dx.doi.org/10.1115/imece2023-114300.

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Abstract Formula SAE (FSAE) is a competition organized by SAE International where student teams design, manufacture, and race formula type racecars under prescribed constraints. One key engine intake system performance limitation stated in the rules is that “a singular circular restrictor of 20 mm diameter must be placed in between the throttle body and engine”. FSAE racecar throttle bodies are typically open to ambient air, and mass flow through the restrictor limits the engine’s power. Therefore, a central FSAE design focus is maximizing mass flow through the restrictor. Typically, these res

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Allphin, Devin, and Joshua Hamel. "A Parallel Offline CFD and Closed-Form Approximation Strategy for Computationally Efficient Analysis of Complex Fluid Flows." In ASME 2014 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/imece2014-38691.

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Computational fluid dynamics (CFD) solution approximations for complex fluid flow problems have become a common and powerful engineering analysis technique. These tools, though qualitatively useful, remain limited in practice by their underlying inverse relationship between simulation accuracy and overall computational expense. While a great volume of research has focused on remedying these issues inherent to CFD, one traditionally overlooked area of resource reduction for engineering analysis concerns the basic definition and determination of functional relationships for the studied fluid flo

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