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2018-8-29 · geometry ( modified nozzle geometry). Blends like B20, B40, B60, B80, B100 and standard diesel were used in engine and studied the performance and emission characteristics without altering the compression ratio of the engine. The experimental results showed that higher Brake thermal efficiency (BTE) for baseline nozzle geometry up to B40 POME ...
Get Price2013-3-1 · 1. Introduction. Impinging jet has been widely used for applications where high heat and mass transfer rates are required. A variety of nozzle geometries ranging from slots to square edged (from profited plate) and round jet .Previous studies have demonstrated the dependence of heat transfer on a number of parameters, including the Reynolds number of jet, nozzle to plate spacing, the presence ...
Get Price2020-8-10 · Hence, larger LTR leads to larger breakup length of liquid jet. 3.2. Effect of nozzle geometry on jet instability. It can be observed in Fig. 4 that the jet breakup length as well as the structure of the jet core vary from one time instant to other even if the regime of jet breakup does not change. This was observed for all nozzles and ...
Get Price2016-6-21 · The effect of nozzle diameter on heat transfer coefficient is investigated (Jacob, et al, 2013). Submerged air jet is used to investigate the fluid flow and heat transfer characteristics with a circular jet (Anwarullah et al, 2012) and they observed that Nusselt number increases with decrease in nozzle to plate spacing. The effect of flat plate ...
Get Price2019-1-29 · performance of five different radiators with different pin fin wave distance explained by Sagot [11]. Comparison of Circular jets wit slot jets wit different nozzle shapes have been explained by [12]. Effect of nozzle geometry on thermal carecterics both experimentally and …
Get Price2020-12-1 · College of Engineering, Trivandrum Thiruvananthapuram, Kerala,695016 India VSSC, ISRO, Thiruvananthapuram,Kerala,695022 India ABSTRACT Effective mixing of two supersonic streams in a short mixing chamber is a major challenge. Active and passive methods are used to enhance the mixing. Nozzle geometry, different nozzle configurations a
Get Price2019-1-30 · hyperbola. This angle has a major influence on nozzle geometry. For analysis purposes is limited in the range of 00 to 1800 and Nozzle Inlet conditions of air are taken from standards as pressure 1 bar, temperature 308 K, wind velocity 3 m/s, density 1.123 kg/cubic meter in summer season for Ahmednagar city.
Get Price2020-12-1 · College of Engineering, Trivandrum Thiruvananthapuram, Kerala,695016 India VSSC, ISRO, Thiruvananthapuram,Kerala,695022 India ABSTRACT Effective mixing of two supersonic streams in a short mixing chamber is a major challenge. Active and passive methods are used to enhance the mixing. Nozzle geometry, different nozzle configurations a
Get Price2019-1-30 · hyperbola. This angle has a major influence on nozzle geometry. For analysis purposes is limited in the range of 00 to 1800 and Nozzle Inlet conditions of air are taken from standards as pressure 1 bar, temperature 308 K, wind velocity 3 m/s, density 1.123 kg/cubic meter in summer season for Ahmednagar city.
Get Price19. P.A.Harari, J.S.Patil, “A Review on Effect of Nozzle Hole Geometry on the Performance, Combustion and Emission Parameters of CI Engine Fuelled with Diesel and Biodiesel”, International Journal of Engineering and Management Research, 2016, 6(3), 39-48. 20.
Get Price23rdNational Conference on I. C. Engine and Combustion (NCICEC 2013) SVNIT, Surat, India 13-16, December 2013 Effect of Nozzle Geometry on Flame Characteristics of a Swirl Stabilized Hydrogen Combustor D. P. Mishra and R. Khatry Department of Aerospace Engineering Indian Institute of Technology Kanpur Abstract This paper presents an experimental study on the performance …
Get PriceVariable-Geometry Exhaust Nozzles and Their Effects on Airplane Performance. 680295. The development of exhaust nozzles and their application in operational military aircraft are discussed. Prime consideration is given to installation factors such as engine bay and nozzle cooling, inlet-engine flow matching, and aerodynamic effects on external ...
Get Price2012-5-17 · Effect of axisymmetric sonic nozzle geometry on characteristics of supersonic air jet Journal of Thermal Science, Vol. 13, No. 2 An experimental study of underexpanded sonic, coaxial, swirl jets
Get Price2016-4-1 · incident the high velocity air jet coming from the nozzle on a target surface having dimples of various geometry. It is used for cooling, heating and drying purposes like in hot metal cooling, turbine blades cooling and in cooling electronics equipments etc. This study will investigate the effect of jet impingement on a
Get Price2018-10-3 · and air into the combustor without any premixing. Since the fuel and air are not premixed, the perfor-mance of LDI heavily depends upon the design of the air swirler.14 Dunand et al.15 experimentally investigated the influence of a swirling annular gas jet, momentum flux ratio, and surrounding pressure on the breakup and atomization of liquid jet.
Get Price2016-2-4 · Flaring of the Jet Cavity dimension changes with a change in NTD. Abrasive particles repeatedly hit on the work surface. Brittle fracture separates out tiny particles (wear particles) to produce a cavity. Cavity width ≥ Nozzle inner diam. (Depends on NTD). Cavity Depth depends on work piece feed rate, abrasive particle mass (or density) and pressure (or velocity of the jet).
Get Price2 天前 · spear and jet 14 the jet is designed in ansys design modeler while the nozzle with spear in solidworks 2012 the numerical problem can be solved by using the multiple frame of reference as detailed in ansys theory guide of 14 5 15 figure 3 three dimensional view of nozzle with spear, the student
Get Price2018-9-20 · Effect of Nozzle Geometry on Flowfield for High Subsonic Jets. ... This asymmetric nature of the flow through the serpentine nozzle also vectors the external jet toward the lower wall. The saddle-shaped velocity profile is observed along the major axis plane of serpentine nozzle. ... Effect of nozzle exit area on the performance of a turbojet ...
Get Price2021-8-1 · Computational Optimization of Water Jet Machining Effect May 10th, 2019 - simulated by using ANSYS Fluent A CAD model of nozzle has been developed by using geometrical model of ANSYS During analyzing the effect operating pressure and nozzle parameter has examined The effect of nozzle jet diameter ratio has
Get Price2020-7-13 · the ejector performance using two different turbulence models: k-ε realizable and k-ω SST [13]. FD method was used to find the performance of the micro-nozzle and investigation primarily by its machined surface topology. A circular cross-section micro-Laval nozzle …
Get Price2013-6-3 · Effect of Shocks on Mixing and Thrust in Over-expanded Nozzles Swapneel Roy1, Thanusha M.T2, Rahul B.V3, A.A. Khan4 1, 2, 3 Aeronautical Society of India, 13 -B, Indraprastha Estate, New Delhi, India 4 Propulsion Division, CSIR - National Aerospace Laboratories, Bangalore. India
Get Price2018-3-11 · complexity of mechanism of heat removal. The study of air jet impingement system has various parameters which effect the cooling process. These parameters are jet Reynolds number, mass flow rate of the air, air temperature, jet exit cross sectional area, number of jet used in a system, and jet …
Get Price2013-1-3 · Nozzles. The ITP Nozzle is a 3-D Vectoring Nozzle. Also, there are different ways to achieve the deflection of the gas jet: the most efficient one is by mechanically deflecting the divergent section only, hence minimizing the effect on the engine upstream of the throat (sonic) section. The ITP concept consists of a patented design featuring
Get Price2018-4-3 · In the present work numerical simulations were carried out investigating the effect of fuel type, nozzle-geometry variations and back-pressure changes on high-pressure gas injections under application-relevant conditions. Methane, hydrogen and nitrogen with …
Get Price2013-6-3 · Effect of Shocks on Mixing and Thrust in Over-expanded Nozzles Swapneel Roy1, Thanusha M.T2, Rahul B.V3, A.A. Khan4 1, 2, 3 Aeronautical Society of India, 13 -B, Indraprastha Estate, New Delhi, India 4 Propulsion Division, CSIR - National Aerospace Laboratories, Bangalore. India
Get Price2003-2-1 · Influences of nozzle flow and nozzle geometry on the shape and size of an air core in a hollow cone swirl nozzle M R Halder, S K Dash, and S K Som Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science 2003 217 : 2 , 207-217
Get Price2018-3-11 · complexity of mechanism of heat removal. The study of air jet impingement system has various parameters which effect the cooling process. These parameters are jet Reynolds number, mass flow rate of the air, air temperature, jet exit cross sectional area, number of jet used in a system, and jet …
Get Price2019-6-4 · Effect of Air Swirler Profile on Spray Characteristics Shraddha Sharma, Srikrishna Sahu, Thirumalachari Sundararajan 1Indian Institute of Technology, Madras Chennai, TamilNadu, India [email protected] Abstract - Pressure swirl atomizers are widely used in gas turbines and liquid propellant rockets to obtain improved atomization. In
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