EFFECT OF NEGATIVE SUPERCHARGING ON INTERNAL COMBUSTION
ENGINE


ABSTRACT
Until recently, Automobile manufacturers uses supercharger & turbocharger to supply
air-fuel mixture at a pressure above atmospheric. Up to 40% increase in power & torque may be
obtained by supercharging. As a typical example , in the Chrysler 2.2L turbocharged engine, the
turbocharged provides 35% more torque & 50% more power compared to the same engine
without turbocharger. To achieve above purpose, air ....etc

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Negative Supercharging



INTRODUCTION

Negative Supercharging is a highly advanced and complex Thermo Fluid Dynamic Process that converts the positive exhaust pressure produced after combustion into Negative Boost within the cylinders to pull more air into the engine. Negative Supercharging does NOT use any type of blower device and works the opposite to conventional supercharging by pulling air into the engine instead of pushing air like conventional superchargers and turboch ....etc

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to get information about the topic negative pressure supercharging full report refer the page link bellow

http://seminarsprojects.net/Thread-negative-supercharging?pid=65124 ....etc

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Supercharging of an IC Engines ppt
Effect, merits & Demerits of Supercharging ....etc

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NEGATIVE SUPERCHARGING


INTRODUCTION

WHAT IS MEAN BY SUPERCHARGING ?

IN THE NEGATIVE SUPERCHARGING PROCESS, POSITIVE EXHAUST PRESSURE CONVERTED INTO NEGATIVE BOOST TO PULL MORE AIR INTO THE ENGINE.

OPPOSITE TO CONVENTIONAL SUPERCHARGING.

COMBUSTION STROKE

EXHASUT VALVE OPENS
VELOCITY INCREASES IN TRI-Y HEADER(TWICE)

EXHAUST STROKE

.EXHAUST VALVE CLOSES EARLY.
.REDUCED OVERLAP DURATION
.LESS EXHAUST VALVE LIFT

COMPRESSION STROKE[/ ....etc

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An internal combustion engine works by drawing a mixture of air and fuel (the intake charge) into its cylinders, compressing that mixture, and then burning it. The more air/fuel mixture that can be crammed into the cylinders to burn, the more power the engine produces. You can increase power in three basic ways: you can improve the engine s ability to draw more air and fuel into the cylinders and expel its burned exhaust gases (its volumetric efficiency, or breathing ); you can increase the swept volume of the cylinders (the engine s displa ....etc

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Describe the thermal jet engine and the chemical rocket engine stating clearly the difference between them ....etc

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To get full information or details of negative pressure supercharging please have a look on the pages

http://seminarsprojects.net/Thread-negative-pressure-supercharging?pid=69964&mode=threaded

http://seminarsprojects.net/Thread-negative-supercharging

if you again feel trouble on negative pressure supercharging please reply in that page and ask specific fields in negative pressure supercharging ....etc

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to get information about the topic camless engine full report ,ppt and related topic refer the page link bellow

http://seminarsprojects.net/Thread-camless-engine-with-elctromechanical-valve-actuator--6644

http://seminarsprojects.net/Thread-camless-engine?page=3

http://seminarsprojects.net/Thread-camless-engine ....etc

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MPFI ( multi point fuel injection system ) Vs CRDI(Common rail direct injection system)

(Actually an open office format. Use open office to open it)
MPFI : mean multi point fuel injection system ie. in petrol engine for gaining more uniform Air Fuel blending fuel is injected at various point in the path of air. this tech is used in light weight car running on petrol. there is also milage improvement due to this.

but in case of DTSI(digital twin spark ignition) : the
engine cylinder consist of two no of spark plu ....etc

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