SHIV PPT.pptx
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This document provides an overview of technical aspects of current automobiles, including different drive systems, VTEC technology, wheel alignments, and turbochargers. It discusses the main types of drive systems - rear wheel drive, front wheel drive, four wheel drive, and all wheel drive - and describes the basic mechanics of each. VTEC technology is explained as a system that activates larger cam lobes at higher engine speeds to produce more torque. Wheel alignments, including caster, camber, and toe angles are defined along with their purposes. Finally, turbochargers are introduced as a method used to compress more air into the engine, leading to greater power and efficiency.
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Nostalgia. Assignment for seminar in Prof. Rajat Mehrotra's class.
Those days citing sources in presentation was not the norm.
Image credits are from my then night time love website CarBibles.com of old. It can be accessed on Internet Archive. It was a treasure trove of automotive information lighting a seekers mind first time to the anatomy of automotive technology. https://web.archive.org/web/20090224063513/http://www.carbibles.com/suspension_bible.html
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Nostalgia. Assignment for seminar in Prof. Rajat Mehrotra's class.
Those days citing sources in presentation was not the norm.
Image credits are from my then night time love website CarBibles.com of old. It can be accessed on Internet Archive. It was a treasure trove of automotive information lighting a seekers mind first time to the anatomy of automotive technology. https://web.archive.org/web/20090224063513/http://www.carbibles.com/suspension_bible.html
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- 1. A TECHNICAL VIEW ON CURRENT AUTOMOBILES FRAMED BY G.SAI SHIVA MECH-C
- 2. INTRODUCTION The sucessive topics contain specific jargons relating to the current automobiles. SYNOPSIS TYPES OF DRIVE SYSTEMS VTECH TECHNOLOGY WHEEL ALLIGNMENTS TURBO CHARGER
- 3. TYPES OF DRIVE SYSTEMS Real wheel drive. Front wheel drive. Four wheel drive. All wheel drive.
- 4. REAR WHEEL DRIVE The transmission is usually mounted to the back of the engine. Power flow on this system is simple and straight forward going from the engine, through the torque converter,then through the transmission and the drive shaft until it reaches the final drive where it is split and sent to the two rear wheels. Example of rear wheel: BMW all series cars except the x-drive varient.
- 6. FRONT WHEEL DRIVE On front wheel drive car,the transmission is usually combined with the final drive. Transaxle: It is the device set up in the transmission gear box, clutch,final drive, combined into a single unit. Front wheel drive layouts are those in which the front wheels of the car are driven. The most popular layout used in cars today is the front engines,front wheel drive, whith the engine in front axle, driving the front wheels. This layout is typically choosen for its compact packaging. Front axles are connected directly to the transaxle and provide power to the front wheels
- 8. Four wheel drive – 4WD Part-time 4WD : Typically systems that operate in two wheel drive until the driver commands the four wheel drive operation. The torque is divided (50/50 fixed) between the front and rear drive shaft. Selection of two wheel drive or four wheel drive is done by a shifter and electric switch.
- 9. 4WD
- 10. ALL WHEEL DRIVE - AWD Difficult to clearly define the difference between the 4WD and AWD. AWD is nothing but the Full time 4WD,which constantly provide power to all four wheels but it does not give the driver the option of 2WD or 4WD.
- 11. VTEC TECHNOLOGY This technology is first introduced by Honda Research and development team in their HONDA CIVIC MODEL – a dream car for youngs. This technology is nothing but the activation of bigger sized cams for both air and fuel valves after the vehicle achieves a particular speed especially 1200rpm. While on a normal pushing of accelerator a normal sized cam is employed , but when the driver is in need of more power at high speed,the larger cam is deployed.This allows more fuel and air in to the engine producing more torque This therby counterbalance a main drawback in higher gears i.e producing lower torque.
- 12. PICTORIAL REP
- 13. WHEEL ALLIGNMENT The alignment of wheels is an important parameter deciding the safety, cornering capability and some comfort affecting factors. Types of wheel alignment CASTER ANGLE CAMBER ANGLE TOE ANGLE
- 14. WHEEL ALIGNMENT CASTER ANGLE IT IS THE INTENTIONAL MISALIGNMENT OF WHEEL AXIS WITH VERTICAL.IT HELLPS IN AUTOMATIC RETRACING OF WHEEL BACK TO ITS POSITION ONCE THE DRIVER STRESSED THE STEERING FOR A TURN AND RELEASED AFTERWARDS. CAMBER ANGLE IT REFER TO THE INTENTIONAL TILT OF THR FRONT TIRES RESULTS IN GREATER COMFORT AND EASE WHILE CORNERING TRANSFERRING THE CENTRIFUGAL FORCE VRTICALLY AVAOIDING THE SHEAR FORCE WHILE TURNING. TOE ANGLE TOE OUT AND TOE IN IS THE DISTANCE BETWEEN THE TOP AND BOTTOM OF THE FRONT WHEEL, WHICH PLAYS A MAJOR ROLE IN SUSPENSION COMPENSATING THE FRICTION DUE TO CONTINUOUS PUSH FROM REAR WHEEL IN RWD.
- 15. DIFFERENTIATIONS
- 16. Turbo charger Turbo charger is a mimicried technique from airplanes that need sufficient oxygen supply at higher altitudes. This method to eliminate insufficiency at greater altitudes is utilized for higher performance at sea level. The main objective of this is squeezing out the highest possible efficiency from the engine. This supplies large amount of compressed air to the engine leading to greater power and torque. The turbo charger mounted in the bonnet takes air from the atmosphere,compresses it and transferring it to engine. Since compressed air contains more amount of oxygen,it leads to complete combustion of fuel providing decent mileage.
- 17. THANK YOU GUYS