XRDi's Engine Testing Facility focuses on the following services:

Emissions
Fuel Consumption
High Speed Pressure Data
Engine Speed and Load
Temperatures, Pressures, and Relative Humidity

Emissions   

• DyneSystems XM 5 Gas Analyzer. Uses NDIR for HC, CO, CO2 and electrochemical sensors for NOx and O2.
• ABB Analytical Multi-FID 14 Analyzer. Heated FID for total HC Measurement.

Measurement/Calculation of:

• BSHC (Brake Specific Hydrocarbons)
• BSCO (Brake Specific Carbon Monoxide)
• BSCO2 (Brake Specific Carbon Dioxide)
• BSNOx (Brake Specific Oxides of Nitrogen)
• AFR (Air to Fuel Ratio)
• Volumetric Efficiency
• Trapping Efficiency
• Charging Efficiency

Fuel Consumption   

• Max Series 210 piston flowmeter
• Max Series 370 vapor eliminator and level controllers

Measurement/Calculation of:

• BSFC (Brake Specific Fuel Consumption)

High Speed Pressure Data   

• Kistler 6117B Pressure Transducers for in-cylinder pressure measurements
• Kistler 4045A Pressure Transducers for intake and exhaust pressure traces
• Kistler Dual Mode Charge Amplifier
• Kistler 2613A Crankshaft Encoder
• Nicolet Odyssey Data Acquisition System

Measurement/Calculation of:

• IMEP (Indicated Mean Effective Pressure)
• FMEP (Friction Mean Effective Pressure)
• PMEP (Pumping Mean Effective Pressure)
• MFB (Mass Fraction Burned)
• Burn Rate
• Burnt and Unburned Gas Temperatures

Engine Speed and Load   

• 110 HP Froude Conside Eddy Current Dynamometer
• 8 HP Magtrol Hysteresis Dynamometer

Measurement/Calculation of:

• Engine Speed
• Brake Torque
• Brake Power
• BMEP (Brake Mean Effective Pressure)

Temperatures, Pressures, and Relative Humidity   

• Type K Thermocouples
• Omega and Quicksilver piezo resistive pressure transducers
• Omega relative humidity sensor

Measurement/Calculation of:

• Engine temperatures and mean pressures
• Performance correction factors