Diesel Engine Test Rig

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DESCRIPTION

The setup consists of single cylinder, four stroke, CRDI VCR engine connected to eddy current dynamometer and provided with necessary instruments for combustion pressure, crank-angle, airflow, fuel flow, temperatures and load measurements. All signals are interfaced to computer through high speed data acquisition device. The panel box of the set up will consist of air box, twin fuel tank, manometer, fuel measuring unit, transmitters for air and fuel flow measurements, process indicator and piezo powering unit, Rotameter for engine cooling water flow measurement. CRDI VCR engine 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 enable the study of CRDI VCR engine performance with programmable ECU at different compression ratios and with different

EGR.

EXPERIMENTATION

Engine performance study includes 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 provided for online performance evaluation.

TECHNICAL DETAIL

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 17.51, capacity 661 cc.

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 ltrs. with glass fuel metering

column, Pipe in pipe Type Calorimeter ,

Temperature sensor K Type Thermocouple with Digital, multi-channel Temperature indicator with

selector switch ,

Crank angle encoder 10 , Non-contact type speed sensor , strain gauge type Load cell range 0-50 Kg with Digital Load indicator & Monoblock Pump.