Dear Sir,
Since I have to prepare for the seminar topic called 'IC-ENGINES WITH HOMOGENEOUS COMBUSTION IN POROUS MEDIUM', I need a presentation about this topic. So I request you to send me the presentation as soon as possible.
....etc

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Hydrogen use in internal combustion Engines




OBJECTIVES
At the completion of this module, the technician will understand:
• the combustive properties of hydrogen that relate to its use as a combustive fuel
• the air/fuel ratio of hydrogen fuel mixtures and how it compares to other fuels
• the types of pre-ignition problems encountered in a hydrogen internal combustion engine and their solutions
• the type of ignition systems that may be used with hyd ....etc

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CFD SIMULATION OF ORIFICE PULSE TUBE REFRIGERATOR

Banjare Y. P. *, Sahoo R. K., Sarangi S. K.
Department of Mechanical Engineering, NIT Rourkela-769008, Orissa




Abstract A commercial Computational fluid dynamics (CFD) software package Fluent 6.1 is used to model the oscillating flow inside a pulse tube cryocooler. In this paper analysis of orifice type pulse tube refrigerator (OPTR) systems operating under a variety of thermal boundary conditions are modeled at different frequencies. The compressor us ....etc

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Hi,

I am working on cryogenic combustion of hydrogen for CUS rocket engines.
I have been trying this simulation since last 3 months but either i am not getting proper pressure rise in the chamber which should be around 60 bar or the velocity get too high.
Typical massflowrates for single element injector is
LOX : 200 g/s
GH2 : 34 g/s.
For H2-O2 engines minimum length required is
L* : 0.85 m.(it is characteristic length not length)

For signle element the following dimensions can be used
Throat Dia : 13mm
Contraction ratio : ....etc

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I WANT THIS PDF vdfevwe fregregh rgtrhtrh tyeryery 4trwetrwety5wy tgretyw5tywty54w rgersyg5e4yg43y45yb ....etc

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Please, may I get some ansys tutorial flotran? ....etc

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Hello Sir,

I need a Full report and Seminar PPt in CFD for M.E. level presentation.

Thanks,
Sandeep ....etc

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ABSTRACT
The overall goal of the work presented in this thesis is to extend the physical understanding of the external aerodynamics associated with the rotating case of Hovering Rotor using Computational Fluid Dynamics (CFD) technique.
Rotating blades encounter tip vortices coming from preceding blades, which results in Blade Vortex Interaction(BVI) responsible for producing dynamic effects. Understanding the complex flow field due to this dynamic effects produced by wakes is therefore very important for the prediction of effects such as blad ....etc

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1. OBJECTIVES

• The combustive properties of hydrogen that relate to its use as a combustive fuel
• The air/fuel ratio of hydrogen fuel mixtures and how it compares to other fuels
• The types of pre-ignition problems encountered in a hydrogen internal combustion engine and their solutions
• The type of ignition systems that may be used with hydrogen internal combustion engines
• Crankcase ventilation issues that pertain to hydrogen use in an internal combustion engine
• The thermal efficiency of hydrogen internal comb ....etc

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ABSTRACT
Since two-three decades, hydrogen has been identified as a versatile potential fuel competent to the conventional fuel such as gasoline. In order to implement it fully and to develop the combustion based power devices which may supply much higher energy density than others, the understanding of hydrogen air combustion mechanism is very essential. In this seminars, Computational Fluid Dynamics (CFD) based numerical simulations have been performed to study the combustion of non-premixed hydrogen- ....etc

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