Assignment 6

1)types of turbo charger

single turbo

twin scroll turbo

variable geometry turbo

sequential turbo

electric turbo

FIXED GEOMETRY TURBO

it is a simple turbo charger in which geometry doesn't change

VARIABLE GEOMETRY TURBOCHARGER

vgt model for diesel engine. in this the vane angles gets changed using motors .

WASTE GATE TURBO CHARGER

in this pressure is adjusted to control exhaust gas flow

2)EXLORING TUTORIALS

a six cylinder model having turbo charger. comparision can be done from removing turbocharger and study the breathing capacity of engine

3)COMPRESSOR MAP

TURBINE MAP

4)

vgt is used for boosting at low speed,reduses response time and increases torque and also prevents over boosting and reduces emissions

5) DIESEL VGT EGR

engine is 4cyc DI 2L engine

there are egr controller and air box and intercooler

egr controller is used to control flow rate of exhaust gases. and intercooler cools the air and densifies it.

vgt is defined in terms of rack positions and elctronic controller is used to controll the rack positon.