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  • Effect of Nozzle Geometry on Air-Jet Texturing Performance

    'Effect of Nozzle Geometry on the Flow Charact eris tics of Small W ater Jets', Proceedings of the Institution of Mechanical Engineers, Part C, Journal of M echanical Engineering Science, Vol. 220 ...

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  • Experimental Study of the Effect of the Expansion

    2020-4-22 · determine the effect of air inlet angle are inconclusive and require further investigation. The air-jet texturing process is widely known for its ability to produce spun-like synthetic continuous filament yarns. Structural modification is achieved by contact of the continuous feed yarn with a supersonic air stream delivered by a nozzle. The

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  • CRN Application to Predict the NOx Emissions for ...

    2015-11-13 · CRN Application to Predict the NOx Emissions for Industrial Combustion Chamber Nguyen Thanh Hao 1 and Park Jungkyu2 1Industrial University of HoChiMinh City, 12, NguyenVanBao, GoVap, HoChiMinh, Vietnam 2Depatment of Mechanical Engineering, Konkuk University, 120 Neungdong, Gwangjin, Seoul, Korea Email: [email protected] (Received on 15 March 2013 and …

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  • CRN Application to Predict the NOx Emissions for ...

    2014-10-27 · air premixing [10, 11]. Novesselov also employed a CRN for emissions prediction of the lean premixed gas turbine combustor [12]. The chemical reactor modeling is found to be a valuable tool in the evaluation of pollutant formation and blow-out the performance of combustion systems.

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  • Plant Engineering & Construction Division

    To investigate the effect of relative humidity of air on the TENG flowmeter’s performance, the moist air flow at U f = 7.86 m/s was fed into the pipe. The relative humidity (RH) of the air was adjusted to increase gradually from 75% to 95%. At each value of humidity, the short-circuit current, open-circuit voltage, and the frequency were ...

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  • Sundstrand Aps 2000 Manual

    2021-3-30 · 840 million people living in rural areas across the world lack access to electricity, creating a large imbalance in the development potential between urban and rural areas. Pico-hydropower offers a cost-effective way of accessing electricity, where the resource exists. This paper discusses and critically examines several challenges that remain in implementing pico-hydropower systems, such as ...

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  • Ansys Nozzle Jet - cdn.app.jackwills.com

    1996-6-1 · The effects of changes in the jet nozzle geometry, i.e., nozzle shape and lip thickness, on the blowout limits of jet diffusion flames in a co-flowing air stream were experimentally investigated for a range of co-flow air stream velocities. Circular and elongated nozzles of …

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  • Computational Modeling and Experimental Evaluation of

    2009-11-2 · The effect of injection pressure was not significant at retarded injection timings, i.e., 5 ATDC. The convergent nozzle was found to produce higher soot emissions compared with the straight-hole nozzle under the same injection conditions. Effects of the convergent nozzle on NO x emissions and fuel consumption were not significant. The small ...

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  • Mixing Process in a Lobed Jet Flow - Iowa State University

    2012-5-17 · American Institute of Aeronautics and Astronautics 12700 Sunrise Valley Drive, Suite 200 Reston, VA 20191-5807 703.264.7500

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  • Impact characteristics and stagnation formation on a solid ...

    2021-7-31 · nozzle geometry and size nozzle configuration location of exhaust ports nozzle to target spacing surface motion and operating variables such as cross flow and jet axis velocity complicate the analysis Noise Reduction in Jet Engine using Chevron Nozzle May 15th, 2019 - conventional nozzles with minimal impact on performance In this project work ...

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  • & Aeros Journal of Aeronautics & Aerospace El-Zahaby et

    2009-11-2 · The effect of injection pressure was not significant at retarded injection timings, i.e., 5 ATDC. The convergent nozzle was found to produce higher soot emissions compared with the straight-hole nozzle under the same injection conditions. Effects of the convergent nozzle on NO x emissions and fuel consumption were not significant. The small ...

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  • Computational Modeling and Experimental Evaluation of

    2019-2-15 · the supersonic nozzle jet and the secondary flow. The effect of gas motive pressure the mixing part and tail section (pipe or diffuser) geometry on the ejector performance are studied. The computational results are validated using published experimental data with acceptable agreements. The numerical results indicate that the ejector geometry

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  • Design of piston bowl geometry for better combustion in ...

    2015-8-18 · air jet, imparted perturbation to fluid jet results in charged droplet formation [16, 17]. The performance parameters of electrostatic spray nozzle i.e. charge-to-mass ratio is a result of complex interactions of input parameters i.e. compressed air supply, liquid flow and electrostatic field within the designed nozzle.

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  • OPTIMIZATION OF A HIGH-EFFICIENCY JET EJECTOR BY ...

    2019-4-9 · mixture will improve combustion engine performance. There are many ways to improve the air–fuel mixture inside a cylinder, and changing piston bowl geometry is one of them. Several researchers have worked on combustion chamber and different types of piston bowl geometry [3]. The combustion of air and fuel mixture and emission

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  • Effect of Tabs on the Flow and Noise Field of an ...

    2021-5-13 · A number of researchers made an effort to understand the effect of jet ejector geometry on jet ejector performance. For example, Kroll (1947) investigated the effect of convergence, divergence, length, and diameter of the throat section, nozzle position, induced fluid entrance, and motive velocity. Croft and Lilley (1976) investigated the

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  • A review on nozzle wear in abrasive water jet machining ...

    2012-8-27 · The expansion angle of the diffuser, the inclination angle of the hole, and the length of the cylindrical part at the hole entrance are considered to be the most important geometric parameters of diffuser holes. The effect of a change of exactly these parameters on the film cooling performance will be …

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  • ANALYSIS OF HEAT AND MASS TRANSFER OF THE

    2019-12-18 · when two tabs were located 180 deg apart at the jet nozzle exit. They also observed two high velocity cores on either side of the jet centerline on a plane normal to two tabs. For a subsonic jet, the effect of the tabs is much more pronounced than that produced by other mixing enhancement techniques such as periodic forcing.

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