MECHANICAL ENGINEERING LAB

NAME OF LAB: IC ENGINE LAB

Sl. No Name of Specification Required

01 Computerized The setup shall consists of single cylinder, four stroke, CRDI VCR engine connected to 1
single cylinder 4- eddy current dynamometer and provided with necessary instruments for combustion
stroke CRDI VCR pressure, crank-angle, airflow, fuel flow, temperatures and load measurements. All
diesel engine with signals are interfaced to computer through high speed data acquisition device. The
open ECU & EGR, panel box of the set up shall consist of air box, twin fuel tank, manometer, fuel
with electric start measuring unit, transmitters for air and fuel flow measurements, process indicator and
and Eddy brake
piezo powering unit, Rotameter for engine cooling water flow measurement. CRDI VCR
dynamometer
engine shall work with programmable Open ECU for Diesel injection, fuel injector, and
common rail with rail pressure sensor and pressure regulating valve, crank position
sensor, fuel pump and wiring harness. The setup shall enable the study of CRDI VCR
engine performance with programmable ECU at different compression ratios and with
different EGR.

Engine performance study shall include brake power, indicated power, frictional power,
BMEP, IMEP, brake thermal efficiency, indicated thermal efficiency, Mechanical
efficiency, volumetric efficiency, specific fuel consumption, Air fuel ratio, heat balance
and combustion analysis. Engine Performance Analysis software package Enginesoft
shall be provided for online performance evaluation. The setup must have the following
configurations:

Engine: Single cylinder CRDI VCR with open ECU, 4 stroke Diesel, water cooled, power
5.2 kW (7 BHP) at 1500 rpm, stroke 110 mm, bore 87.5 mm. Compression ratio 17.5:1,
capacity 661 cc. with Water cooled Eddy current dynamometer of reputed make Saj/
Technomech/ Accurate) of suitable capacity to test the engine at full load , Piezo
sensor: Range 5000 PSI, with low noise cable, Data acquisition device: NI USB-6210.
16-bit, 250kS/s , Air box with orifice meter and manometer, duel fuel tank of capacity
15 ltr. with glass fuel metering column, Pipe in pipe Type Calorimeter , Temperature
sensor: K Type Thermocouple with Digital, multichannel Temperature indicator with
selector switch , Crank angle encoder 1° , Non-contact type speed sensor , strain
gauge type Load cell range 0-50 Kg with Digital Load indicator& Monoblock Pump.

02 Computerized The setup shall consists of three cylinder, four stroke, Petrol (MPFI) engine connected 1
Multi Cylinder to eddy current dynamometer for loading& is provided with necessary instruments for
Petrol Engine combustion pressure and crank-angle measurements. All signals shall be interfaced to
With Eddy Current computer through data acquisition Pθ-PV diagrams. Provision shall be made for
Dynamometer interfacing airflow, fuel flow, temperatures and load measurement. The set up shall
With ECU have stand-alone panel box consisting of air box, fuel tank, manometer, fuel measuring
unit, transmitters for air and fuel flow measurements, process indicator and engine
indicator. Rotameters shall be provided for cooling water and calorimeter water flow
measurement.

The setup shall enable study of engine performance for brake power, indicated power,
frictional power, BMEP, IMEP, brake thermal efficiency, indicated thermal efficiency,
Mechanical efficiency, volumetric efficiency, specific fuel consumption, A/F ratio and
heat balance. Lab view based Engine Performance Analysis software package Enginesoft

Page 1 of 3
 shall be provided for online performance evaluation. The setup must have the following:

Engine Maruti BS-IV, 3 Cylinder, 4 Stroke, Petrol (MPFI), water cooled, Power 27 KW at
5000 rpm, Torque 59 NM at 250O rpm, stroke 72 mm, bore 66.5mm, 796 cc, CR 9.2
Dynamometer: Water cooled Eddy current of reputed make (Saj/
Technomech/Accurate) of suitable capacity to test the engine at full load

Air box: M S fabricated with orifice meter and manometer

Fuel tank: Capacity 15 lit with glass fuel metering column Calorimeter: Type Pipe in

pipe

Piezo sensor: Range 5000 PSI, with low noise cable

Crank angle sensor: Resolution I Deg, Speed 5500 RPM with TDC pulse.

Data acquisition device: NI USB-6210, 16-bit, 250kS/s.

Piezo powering unit: Model AX-409. Temperature sensor: Type RTD, PT100 and

Thermocouple, Type K

Temperature transmitter: Type two wire, Input RTD PT100, Range 0-100 Deg C, 0/P

4— 20mA, Type 2wire, I/P TC, Range 0-1200 Deg C

Load indicator: Digital, Range 0-50 Kg, Supply 230VAC

Load sensor. Load cell, type strain gauge, range 0-50 Kg

Fuel flow transmitter: DP transmitter, Range 0-500 mm

Air flow transmitter. Pressure transmitter, Range (-) 250 mm WC

Rotameter: Engine cooling 100-1000 LPH; Calorimeter 25-250 LPH

Pump: Type Monoblock

Overall dimensions: W 2000 x D 2750 x H 1750 mm

03 Bomb Calorimeter Operational Principle : Isothermal 1

Measurement Range 1000-12000Cal/gm

Temperature Resolution: 0.01°C

Bomb Material : SS 316L

Bomb Type : Removable without Schrader Valve

Outer & Inner Jacket : Outer Chromium Plated & inner Cooper

Gas Filling Device : Auto Gas

Filling with sliding push type mechanism

Gas Pressure Regulator: Single Stage Double Pressure Gauge fitted on Regulator
indicating pressure

Stirrer Type : Compact I2V DC

Page 2 of 3
 Temperature Recorder: Digital unit 16x2 with built fire provision & built in

Printer : Temperature Vs Time

Pressure Test : Bomb Supplied

should be tested at 300 kg/cm2 with Work Test Certificate

Water Filling: Manual

Correction: No Provision,

Applied Externally

Calculation: Manual

Testing Time: 30 Min (Approx)

Memory : No Provision

Fundamental Standards: BIS: 1350(Part II) IP 12/63T; 12/ 73T, BS 1016 (Part - V) 1967

04 Demonstrational With injector, fuel pump, fuel filter, lubrication oil pump, air cleaner, silencer, 1
section working governor, valve mechanism etc. complete with all salient parts sectioned for study of
model of four the various components and their function and to plot valve-timing diagram on the
stroke Diesel single cylinder four-stroke diesel engine.
engine

05 Demonstrational With carburettor, spark plug, valve mechanism etc. complete with all salient parts 1
section working sectioned for study of the various components and their function and to plot valve-
model of four timing diagram on the single cylinder four stroke petrol engine.
stroke petrol
engine

06 Demonstrational Table type standard 1

07 Demonstrational With carburettor, spark plug etc. complete with all salient parts sectioned for study of 1
section working the various components and their function and to plot port-timing- diagram on the
model of two single cylinder two-stroke petrol engine.
stroke petrol
engine

08 Demonstrational With carburettor, spark plug, valve mechanism etc. complete with all salient parts 1
section working sectioned for study of the various components and their function and to plot valve-
model of four timing diagram on the single cylinder four stroke petrol engine.
stroke petrol
engine

Page 3 of 3