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Advanced Diagnostics and Modeling of Fluid Dynamics in Reciprocating Engines

This research focuses on the diagnostic development and phenomenological modeling of fluid dynamics and thermodynamics in reciprocating engines. Key areas include spray and liquid film diagnostics, shear-driven film motion, thermodynamic engine modeling, and combustion sensing methods. Experimental facilities cater to thorough testing with advanced imaging techniques, customized engine control systems, and emissions analysis. The laboratory is equipped with dynamometers for a wide range of engine types, emphasizing both spark ignition and diesel engines, as well as their emissions profiles for improved performance and sustainability.

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Advanced Diagnostics and Modeling of Fluid Dynamics in Reciprocating Engines

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  1. Research Areas Experiments , diagnostic development and phenomenological modeling of the fluid dynamics and thermodynamics associated with reciprocating engines: • Spray and liquid film diagnostics and diagnostic development • Shear driven film motion and breakup • Thermodynamic engine modeling (multi-cycle dynamics and control models) • Engine combustion sensing (pressure, vibration) • “Problem solving” – Emissions, noise, fuel systems and flexibility, etc.

  2. Experimental Facilities • Imaging • Spray drop size and velocity • Spray gas phase specie concentration • Liquid film thickness • Laser-based instrument development • Ambient and low pressure steady flow test rigs

  3. Experimental Facilities • General Engine Test Equipment • Spark ignition, diesel engines and advanced combustion designs • 200 Hp/ 6000 rpm electric dyno • 250 Hp/ 6000 rpm eddy current dyno • Six small engine stands (4 to 40 HP) • Custom engine ignition and fuel control systems • Emission analysis for CO, CO2, NOx, • O2, uHC, particulates

  4. Internal Combustion Engine Laboratory • Two dynamometer facilities: • 4 Large engine test bays • 4 Small engine dyno stands • (up to 30 Hp)

  5. Internal Combustion Engine Laboratory • General Engine Test Equipment • Spark ignition and diesel engines • 200 Hp/ 6000 rpm electric dyno • 250 Hp/ 6000 rpm eddy current dyno • Digalog Testmate dyno controller

  6. Internal Combustion Engine Laboratory General Engine Test Equipment • Small engine stands (< 25 HP) • Land & Sea water brake system • 25 Hp/ 4000 rpm dynamometer • 10 Hp/ 4000 rpm dynamometer • 4 Hp/ 25,000 rpm dynamometer • Custom engine control systems • Emissions analyzers for CO, CO2, NOx, • O2, uHC, particulates

  7. Internal Combustion Engine Laboratory General Engine Instrumentation • Gaseous emissions analyzers for CO, CO2, O2, NOx (dry and heated), uHC (dry and heated) • Particulates – Sierra BG3 system with environmental chamber and Mettler Toledo UMX2 microscale • AVL Fuel Balance • Max Machinery Fuel Measurement system • Kistler cylinder and injection line pressure

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