The project mainly concentrates on the suppression of noise at the exit of the nozzle of the turbofan engine of the aircraft. The new concept was introduced in the convergent nozzle of the aircraft to reduce the noise emission. A nozzle is used to give the direction to the gases coming out of the combustion chamber. Nozzle is a tube with variable cross-sectional area. Nozzles are generally used to control the rate of flow, speed, direction, mass, shape, and/or the pressure of the exhaust stream that emerges from them. The nozzle is used to convert the chemical thermal energy generated in the combustion chamber into kinetic energy. The nozzle converts the low velocity, high pressure, high temperature gas in the combustion chamber into high velocitygas of lower pressure and low temperature..............

Keywords: Combustion chamber, CFD Analysis, Different divergent, Degree of angles.

[1]. Altman, D, "Hybrid Rocket Development History," 27th Joint PropulsionConference, 1991-2515, AIAA, Sacramento, CA, 1991, pp. 1-19.
[2]. J. P. Arvis, H. S. Jones, K. Kline, K. Smith, T. Slack, and T. Bales, "Development of a N20/HTPB Hybrid Rocket Motor," 33rd JointPropulsion Conference, 1997-2802, AIAA, Seattle, WA, 1997, pp. 1-8.
[3]. J. P. Arvis, H. S. Jones, K. Kline, K. Smith, T. Slack, and T. Bales,"Overview of Hybrid Sounding Rocket Program," 33rd Joint PropulsionConference, 1997-2799, AIAA, Seattle, WA, 1997, pp. 1-5.
[4]. J. P. Arvis and H. S. Jones, "A Standardized Technique for EvaluatingHybrid Rocket Motor Performance," 33rd Joint Propulsion Conference,1997-2933 AIAA, Seattle, WA, 1997, pp. 1-13.
[5]. T. A. Boardman, T. M Abel, S. E. Claflin, and C. W. Shaeffer, "Designand Test Planning for a 250-KLBF Thrust Hybrid Rocket Motor under theHybrid Propulsion Demonstration Program," 33rd Joint PropulsionConference, 1997-2804, AIAA, Seattle, WA, 1997, pp. 1-15.

Extrusion is the process where a solid plastic (also called a resin), usually in the form of beads or pellets, is continuously fed to a heated chamber and carried along by a feedscrew within. The feedscrew is driven via drive/motor and tight speed and torque control is critical to product quality. As it is conveyed it is compressed, melted, and forced out of the chamber at a steady rate through a die. The immediate cooling of the melt results in resolidification of that plastic into a continually drawn piece whose cross section matches the die pattern. This die has been engineered and machined to ensure that the melt flows in a precise desired shape. Plastics are very common substances for extrusion. Rubber and foodstuffs are also quite often processed via extrusion. Occasionally, metals such as aluminum are extruded plus trends and new technologies are allowing an ever-widening variety of materials and composites to be extruded at continually increasing throughput rates. This article will focus only on the extrusion of plastics..

[1]. M. King, B. Zhu, and S. Tang, "Optimal path planning," Mobile Robots, vol. 8, no. 2, pp. 520-531, March 2001.
[2]. H. Simpson, Dumb Robots, 3rd ed., Springfield: UOS Press, 2004, pp.6-9.
[3]. M. King and B. Zhu, "Gaming strategies," in Path Planning to the West, vol. II, S. Tang and M. King, Eds. Xian: Jiaoda Press, 1998, pp. 158-176.
[4]. B. Simpson, et al, "Title of paper goes here if known," unpublished.
[5]. J.-G. Lu, "Title of paper with only the first word capitalized," J. Name Stand. Abbrev., in press.

These instructions give you guidelines for preparing papers for International Journal of Science, Engineering and Technology Research. Use this document as a template if you are using Microsoft Office Word 6.0 or later. Otherwise, use this document as an instruction set. The electronic file of your paper will be formatted further at International Journal of Computer Theory and Engineering. Define all symbols used in the abstract. Do not cite references in the abstract. Do not delete the blank line immediately above the abstract; it sets the footnote at the bottom of this column.

Keywords: Heat transfer enhancement; Augmentation; Dimple Tube; Raynold's number; convective heat transfer coefficient; tube in tube heat exchanger.

[1]. n. K. Z. H. Johann Turnow, "Flow structures and heat transfer on dimples in a staggered arrangement," International Journal of Heat and Fluid flow, vol. 35, pp. 168-175, 2012.
[2]. C. W. X. Yu Rao, "An Experimental study of pressure loss and heat transfer in the pin fin -dimple channels with various dimple depths," International Journal of Heat and Mass Transfer, pp. 6723-6733, 2012.
[3]. G. T. C.Bi, "Heat transfer in mini channel heat sinks with dimples and cylindrical grooves," Applied Thermal Engineering, no. 18March2013, pp. 121-132, 2013.
[4]. N. S.A.Isaev, "Influence of the Reynolds number and the spherical dimple depth on turbulent heat transfer and hydraulic loss in a narrow channel," International Journal of Heat and Mass Transfer, no. 28October2009, pp. 178-197, 2010.
[5]. Pooja Patil,Prof. Padmakar Deshmukh, " Numerical study of flow and heat transfer in circular tube with almond shape dimple". International journal of engineering research and technology,2014,pp.1-3.

In this paper an experimental investigation on optimizing process parameters of electroless nickel -phosphorous and aluminium oxide coatings on aluminium alloy LM25 by electroless coating . A comprehensive experimental study of electroless nickel-phosphorous and aluminium oxide coatings on aluminium alloy LM25 under specific coating conditions is reported. At present nickel -phosphorous was coated on Al LM25 using electroless coating method. The stabilizer thiourea (1ppm) was added into the bath when the reaction is stable. Process parameters such as pH, Temperature and effect of Surfactant concentrations were varied and the corresponding coating thickness, wear rate and co-efficient of friction were to be measured. The level of pH, Temperature were varied and their influence on coating process was studied. The pH was varied at 3 different values such as 4-5, 6-7, 8-9, and Temperature was varied at different values such as 70ºC, 85ºC, and 90ºC. The result showed that the coating thickness was maximum when pH was 7-8, temperature was 85ºC, Surface morphology was studied using scanning electron microscope.

Keywords: Electroless nickel coating, Nano additives, wear, Aluminium lm25

[1]. Brenner A and Riddell G E, "Nickel plating by chemical reduction", US PatentUS2532282, 1950.
[2]. Riedel W, "Electroless Nickel Plating", UK: Finishing Publications Ltd, 1991
[3]. Apachitei I, Tichelaar F D, Duszczyk J and Katgerman L, " The effect of heat treatment on the structure and abrasive wear resistance of autocatalytic NiP and NiP SiC coatings", Surf. Coat. Technol., Vol 149, p 263, 2002.
[4]. Balaraju J N and Seshadri S K, "Preparation and characterization of electroless Ni-P and Ni-P-SiC composite coatings", Trans. IMF, Vol 77, p 84, 1999.
[5]. Baudrand D W, "Electroless nickel plating, ASM International, Member/Customer Service Center", p 290-310, 1994.

Many companies are working to develop technologies that might efficiently exploit the potential of Acetylene energy for mobile uses. The attraction of using Acetylene as an energy currency is that, if Acetylene is prepared without using fossil fuel inputs, vehicle propulsion would not contribute to carbon dioxide emissions. The drawbacks of Acetylene use are low energy content per unit volume, high tank age weights, the storage, transportation and filling of gaseous or liquid Acetylene in vehicles, the large investment in infrastructure that would be required to fuel vehicles, and the inefficiency of production processes., Buses, trains, PHB bicycles, canal boats, cargo bikesgolf carts, motorcycles, wheelchairs, ships, airplanes, submarines, and rockets can already run on Acetylene, in various forms. NASA uses Acetylene to launch Space Shuttles into space. There is even a working toy model car that runs on solar power, using a regenerative fuel cell to store energy in the form of Acetylene and oxygen gas. It can then convert the fuel back into water to release the solar energy.

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This research represents the first attempt to conduct a comprehensive quantitative investigation into the factors influencing the adoption of OSS in IT outsourcing organizations serviced by Indian IT service providers. This study contributes to the empirical literature on the diffusion of OSS adoption at organization level. Specifically, using a unique survey data set of IT outsourcing organization serviced by Indian IT service providers, the study examines the adoption of Open source software. This survey yielded information for 482 global IT outsourcing organizations, including the degree of outsourcing and level of OSS adoption. There is very little information in the models, theories, and frameworks to explain the adoption of open source software in organizations. Empirical evidence concerning Ven and Verlest's........

KEYWORDS: software, technology, information

[1]. Agerfalk P. J., Fitzgerald B. Outsourcing to an unknown workforce: Exploring opensourcing as a global sourcing strategy. MIS Quarterly. Jun 2008, 32:2, 385-409.
[2]. Raina A., Wurster L. F. Open source software adoption becoming mainstream in India. Gartner. 2013.
[3]. Nagy D., Yassin A. M., Bhattacherjee A. Organizational adoption of open source software: Barriers and remedies. Communications of the ACM. 2010, 53:3, 148-151.
[4]. Hauge Ø. Adoption of Open Source Software in Software-Intensive Industry [Ph.D. Thesis], Norwegian University of Science and Technology, Norway, 2010.
[5]. Fitzgerald B., Kesan J. P., Russo B., Shaikh M., Succi G. Adopting Open Source Software: A Practical Guide 1 st ed. MIT Press, Massachusetts, USA. 2011, 1-11.