Technical Specifications of Experimental Test Rig Engine Type - single cylinder, four stroke Diesel, water cooled, rated power 3.5 kW at 1500 rpm, stroke 110 mm, bore 87.5 mm. 661 cc, CR 17.5, Modified to VCR engine CR range 12 to 18 Dynamometer Type eddy current, water cooled, with loading unit Piezo sensor Range 5000 psi, with low noise cable Crank angle sensor Resolution 1 Deg, Speed 5500 RPM with TDC pulse. Data acquisition device NI USB-6210, 16-bit, 250kS/s. Piezo powering unit Make-Cuadra, 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, Output 4–20 mA and Type two wire, Input Thermocouple, Range 0–1200 Deg C, Output 4–20 mA 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 WC Air flow transmitter Pressure transmitter, Range (-) 250 mm WC Software ―EnginesoftLV‖ Engine performance analysis software Rotameter Engine cooling 40-400 LPH; Calorimeter 25-250 LPH Exhaust gas analyzer Make – Indus Scientific, Five gas analyzer Smoke meter Make – Indus Scientific, Range – 0 to 100% HSU