Four stroke single cylinder diesel engine test rig (Computerized)
MAKE DINESH SCIENTIFIC MODEL DS-FSDE-661
PRODUCT DESCRIPTION
The setup consists of single cylinder, four stroke, Diesel engine connected to Eddy current for engine loading. The setup has stand-alone type independent panel box consisting of air box, fuel tank, manometer, fuel measuring unit, digital speed indicator and digital temperature indicator. Engine jacket cooling water inlet, outlet and calorimeter temperature is displayed on temperature indicator. Rotameters are provided for cooling water and calorimeter flow measurement. The setup enables study of engine for brake power, BMEP, brake thermal efficiency, volumetric efficiency, specific fuel consumption, air fuel ratio and heat balance. It is supplied with MS Excel program for Engine Performance Analysis. Self-calculation and graphs sheets with excel programming’s for comparison. Solution tabs as reference for online diagnostics to problems. Almost components from highly reputed MNC and international imports. Self-calibration/check techniques available
EXPERIMENTATION:
- To determine Brake Power
- To determine fuel consumption
- To determine specific fuel consumption
- To determine Brake Thermal Efficiency
Technical Data:
| Parameter | Value |
| Engine | Type Single cylinder, 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. |
| Dynamometer: | Make Kirloskar registered brand, Type Eddy current, water cooled with loading unit. Dynamometer torque 30 N-m RPM 5,000. It will be equipped with load cell type weighing mechanism with microcontroller based digital torque indicator. |
| Propeller shaft | With universal joints |
| 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 |
| Temperature sensor | Thermocouple, Type K |
| Temperature indicator | Digital, multi-channel with selector switch |
| Speed indicator | Digital with non-contact type speed sensor |
| Load sensor | Load cell, type strain gauge, range 0-50 Kg |
| Load indicator | Digital, Range 0-50 Kg, Supply 230VAC |
| Rotameter | Engine cooling 40-400 LPH; Calorimeter 10-100 LPH |
| Pump | Type Monoblock |
| Engine Details | Single cylinder, four strokes, water cooled, naturally aspirated, over square, adjustable governor, self-start arrangement. Suitable for Diesel, Biodiesel Blends and intermittent biodiesel fuels. Power @5.2 HP at 1500 RPM, Intermittent power 7.7 HP, BMEP 6kg/cm 2 stroke100 mm x bore 80 mm (Approx.), CR 17.5 to 22, 600 cc constant speed 1500-2000 RPM or more. Kirloskar make registered brand. Engine coolant temperature control: 70 deg +/-5 degC. Lube oil temperature measurement upto 250 deg C. Engine Vibration measurement and display (in Hz, m/s, g). |
| Performance Analysis: | The setup will enable study of engine performance for engine torque, brake power, indicated power, frictional power, BMEP, IMEP, brake thermal efficiency, indicated thermal efficiency, mechanical efficiency, volumetric efficiency, specific fuel consumption, air flow rate, fuel flow rate, A/F ratio, heat balance sheet, lube oil temperature analysis, observation and results sheet as well as comparative performance graphs. Workable with offline configurations facility. |
| Combustion analysis | P-0, P-V Plots, Log PV, combustion noise of rate of pressure raises, combustion mass fraction burnt, mean combustion gas temperature, fuel line injection pressure ignition delay, combustion duration, cycle variations up-to 100 combustion cycles, plots and tabulated data. |
| VCR Arrangement | VCR range: 12-22, Compression ratio change facility will be without stopping the engine, without changing the combustion chamber geometry and cylinder head, it will be with tilting cylinder block mechanism. VCR Indicator as well as VCR effect measurement verification and calibration. |
| EGR Arrangement | Exhaust gas recirculation will be with cooled as well as hot EGR circulations up to 15% at full load. Also, manual EGR variation valve and EGR variation display (software) |
| Piezo sensor | Combustion and Fuel Line Pressure measurement: Piezo sensor with charge amplifier, Intermittent pressure 15000 PSI, Sensor range (±5V Output) 5000 PSI , Sensitivity: ±0.1mV/psi or higher, nonlinearity 2% of FS, Resonant frequency: 350 kHz or higher with low noise cable. |
| Crank Angle Encoder | Heavy duty optical incremental encoder with 360 PPR resolution with TDC marker. This will provide one index marker pulse per revolution. 5-30VDC, Suitable powering and pulse converter. Temperature range: -20°C to +70° C, Speed range: 6000 m -1 axial cable |
| Temperature sensor and Transmitter | Type RTD, PT100 and Thermocouple, Type K. Type two wire, Input RTD / Thermocouple, Output 4-20 mA, Also, oil temp measurement and control. Temperature Range:0-1200°Cfor engine Exhaust and 0-100°C for water inlet/outlet. Fuel flow transmitter: DP transmitter, Range 0-500 mm H2O, output 420mA, supply: 10 to 24VDC, Process temperature limit -40 to 120 0 C |
| Air flow transmitter | Pressure transmitter, Range: 0 to 25 mbar, IP67 standard, 10 to 30 VDC supply, Output: 4-20mA, non-linearity & 0.2%FS. |
| Data acquisition device | USB-based, 16-bit, 250kS/s, 16 analog input, 8 digital input and 24 I/O lines, analog and digital triggering, programmable I/P range, custom configurable, maximum output up-to 10V. |
| Software | Visual Programming based software having system-design platform and development environment with default, and custom configuration facility. Capable of all performance and combustion plots online and offline mode. Custom configurations of sensor and scale will be available. Also, provision of altitude, humidity, room temperature and engine variables factors configurations. All factors will incorporate into results of performance and combustion characteristics. Report generation in word and excel formats. Data export, edit, print facility. |
| Minimum Range of experiments to be performed: | • Study of VCR with performance graphs and table.
• Study of injection timing, injection pressure variation and measurement. • Study of performance characteristics with observations, results table and graphs. Provision to import and export of data and plots. (Computerized mode) • Study of engine combustion characteristics • Study of EGR characteristics on performance and combustions. • Study of heat balance sheet • Study of valve timing diagram • Study of cycle-to-cycle variations plots • Study of engine lube oil temperature control analysis • Study of engine vibration measurement at different coordinates. • Manual excel programming for manual mode experimentations, online as well as offline analysis |
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