Full Articles in Refereed Journals, Transactions or Archives
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Selected Refereed Conference or Symposium Proceedings
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Full Articles in Refereed Journals, Transactions or Archives

Güralp, O., Hoffman, M., Assanis, D., Filipi, Z., (UM); Kuo, T.-W., Najt, P., Rask, R., (GM), “Characterizing the Effect of Combustion Chamber Deposits on a Gasoline HCCI Engine”, SAE Paper 2006-01-3277, accepted for publication in SAE Transactions, Journal of Engines, presented at the 2006 SAE Powertrain and Fluids Systems Conference, Oct. 2006

Fernandes, G., Fuschetto, J., Filipi, Z., Assanis, D., McKee, H., “Impact of Military JP-8 Fuel on Heavy Duty Diesel Engine Performance and Emissions”, accepted for publication in the Journal of Automobile Engineering, Proceedings of the Institution of Mechanical Engineers Part D, London, 2006

Wu, B., Filipi, Z.S., Prucka, R.G., Kramer, D.M., Ohl, G.L., “Cam-phasing Optimization Using Artificial Neural Networks as Surrogate Models—Fuel Consumption and NOx Emissions”, SAE paper 2006-01-1512, accepted for publication in SAE Transactions, Journal of Engines, presented at the 2006 SAE World Congress in Detroit, 2006

Chang, K., Babajimopoulos, A., Lavoie, G., Filipi, Z., Assanis, D., “Analysis of Load and Speed Transitions in an HCCI Engine Using 1-D Cycle Simulation and Thermal Networks”, SAE paper 2006-01-1087, accepted for publication in SAE Transactions, Journal of Engines, presented at the 2006 SAE World Congress in Detroit, 2006

Chryssakis, C.A., Hagena, J.R., Knafl, A., Hamosfakidis, V.D., Filipi, Z.S., Assanis, D.N., “In-Cylinder Reduction of PM and NOX Emissions from Diesel Combustion with Advanced Injection Strategies”, International Journal of Vehicle Design, Special Issue on “New Strategies in Automotive Diesel Engines for Meeting Upcoming Pollutant Emissions Restrictions”, Vol. 41, Nos. 1/2/3/4, Inderscience Enterprises, Geneva, 2006

Chang, J., Filipi, Z., Assanis, D., Kuo, T.-W., Najt, P., Rask, R., “Characterizing the Thermal Sensitivity of a Gasoline HCCI Engine with Measurements of Instantaneous Wall Temperature and Heat Flux”, International Journal of Engine Research, Volume 6, No. 4, London, 2005, pp. 289-309

Wu, B., Filipi, Z.S., Prucka, R.G., Kramer, D.M., Ohl, G.L., “Cam-Phasing Optimization Using Artificial Neural Networks as Surrogate Models—Maximizing Torque Output”, SAE 2005-01-3757, SAE Transactions, Journal of Engines, presented at the 2005 SAE Powertrain & Fluid Systems Conference, San Antonio, Oct. 2005

Wu, B., Filipi, Z.S., Kramer, D.K., Ohl, G.L., Prucka, M.J., DiValetin, E.,“Using Neural Networks to Compensate Altitude Effects on the Air Flow Rate in Variable Valve Timing Engines”, SAE paper 2005-01-0066, SAE Transactions, Journal of Engines, presented at the 2005 SAE World Congress in Detroit, April 11-14, 2005

Kokkolaras, M., Mourelatos, Z., Louca, L., Filipi, Z.S., Delagrammatikas, G., Stefanopoulou, A., Papalambros, P., Assanis, D.N.,“Design under Uncertainty and Assessment of Performance Reliability for a Dual-Use Medium Truck with Hydraulic-Hybrid Powertrain and Fuel Cell Auxiliary Power Unit”, SAE paper 2005-01-1396, selected for the SAE Transactions, Journal of Materials Manufacturing & Engineering, presented at the 2005 SAE World Congress in Detroit, April 11-14, 2005

Chang, J., Filipi, Z., Assanis, D., Kuo, T.-W., Najt, P., Rask, R., “New Heat Transfer Correlation for the HCCI Engine Derived from Measurements of Instantaneous Surface Heat Flux”, SAE paper 2004-01-2996, accepted for publication in the 2004 SAE Transactions, Journal of Engines; presented at the 2004 Powertrain & Fluid Systems Conference & Exhibition, Tampa, FL, October 25-28, 2004

Wu, B., Filipi, Z., Assanis, D., Kramer, D., Ohl, G., Prucka, M., DiValentin, E., “Using Artificial Neural Networks for Representing the Air Flow Rate through a 2.4 Liter VVT Engine”, SAE paper 2004-01-3054, accepted for publication in the 2004 SAE Transactions, Journal of Engines; presented at the 2004 Powertrain & Fluid Systems Conference & Exhibition, Tampa, FL, October 25-28, 2004

Filipi, Z., Loucas, L., Daran, B., Lin, C-C., Yildir, U., Wu, B., Kokkolaras, M., Assanis, D., Peng, H., Papalambros, P., Stein, J., Szkubiel, D., Chapp, R.,”Combined Optimization of Design and Power Management of the Hydraulic Hybrid Propulsion System for the 6x6 Medium Truck”, International Journal of Heavy Vehicle Systems, Vol. 11, Nos. 3/4 , 2004, pp. 371-401

Filipi, Z., Wang, Y., Assanis, D.,”Variable Geometry Turbine (VGT) Strategies for Improving Diesel Engine In-Vehicle Response - a Simulation Study”, International Journal of Heavy Vehicle Systems, Vol. 11, Nos. 3/4*, 2004, pp. 303-326

Lin, C-C., Filipi, Z., Loucas, L., Peng, H., Assanis, D., Stein, J.,”Modeling and Control for a Medium-Duty Hybrid Electric Truck”, International Journal of Heavy Vehicle Systems, Vol. 11, Nos. 3/4*, 2004, pp. 349-370

M. Kokkolaras, L.S. Louca, G.J. Delagrammatikas, N.F. Michelena, Z.S. Filipi, P.Y. Papalambros, J.L. Stein, and D.N. Assanis, “Simulation-Based Optimal Design of Heavy Trucks by Model-Based Decomposition: An Extensive Analytical Target Cascading Case Study”, International Journal of Heavy Vehicle Systems, Vol. 11, Nos 3/4*, 2004, pp. 402-432

Wu, B., Lin, C.-C., Filipi, Z., Peng H., Assanis, D., “Optimal Power Management for a Hydraulic Hybrid Delivery Truck”, Journal of Vehicle System Dynamics, Vol. 42, Nos. 1-2, 2004, pp. 23-40

Filipi, Z., Louca, L., Stefanopoulou, A., Pukrushpan, J., Kittirungsi, B., Peng, H., “Fuel Cell APU for Silent Watch and Mild Electrification of a Medium Tactical Truck”, SAE Paper 2004-01-1477, 2004 SAE Transactions, Journal of Engines, Volume 113, Section 3, 2004

Li, Z., Georgiopoulos, P., Papalambros, P., Filipi, Z., Wu, G., Yang, X., “Model Based Analysis of Performance-Cost Tradeoffs for Engine Manifold Surface Finishing” SAE paper 2004-01-1561, 2004 SAE Transactions, Journal of Materials Manufacturing & Engineering, Volume 113, Section 5, 2004

Assanis, D. N., Filipi, Z. S., Fiveland, S. B., Syrimis, M.,”A Predictive Ignition Delay Correlation Under Steady-State and Transient Operation of a Direct Injection Diesel Engine,” ASME Journal of Engineering for Gas Turbines and Power, Volume 125, No. 2, April 2003, pp. 450 - 457

Nelson, S., Filipi, Z. S., Assanis, D. N.,"The Use of Neural Nets for Matching Fixed or Variable Geometry Compressors with Diesel Engines”, ASME Journal of Engineering for Gas Turbines and Power, Volume 125, No. 2, April 2003, pp. 572 - 579

Kim, H.M., Kokkolaras, M., Louca, L.S., Delagrammatikas, G.J., Michelena, N.F., Filipi, Z.S., Papalambros, P.Y., Stein, J.L., Assanis, D.N., “Target Cascading in Vehicle Redesign: A Class VI Truck Study”, International Journal of Vehicle Design, Vol. 29, No. 3, Inderscience Enterprises, Geneva, 2002, pp. 199-225

Michelena, N., Louca, L., Kokkolaras, M., Lin, C.-C., Jung, D., Filipi, Z., Assanis, D., Papalambros, P., Peng H., Stein, J. Feury, M., “Design of an Advanced Heavy Tactical Truck: A Target Cascading Case Study”, 2001 SAE Transactions, Journal of Commercial Vehicles, Vol. 110, Section 2, pp. 457-468

Filipi, Z. S., Assanis, D. N., “A Non-linear, Transient, Single-Cylinder Diesel Engine Simulation for Predictions of Instantaneous Engine Speed and Torque”, ASME Journal of Engineering for Gas Turbines and Power, Volume 123, No. 4, pp. 951-959, 2001

Filipi, Z. S., Assanis, D. N.,” The Effect of Stroke-to-Bore Ratio on Combustion, Heat Transfer and Performance of a Homogeneous-Charge Spark-Ignited Engine of Given Displacement”, International Journal of Engine Research, Vol. 1, No. 2, JER0500, London, 2000, pp. 191-208

Assanis, D. N., Filipi, Z. S., Fiveland, S. B., Syrimis, M., ”A Methodology for Cycle-By-Cycle Transient Heat Release Analysis in a Turbocharged Direct Injection Diesel Engine”, SAE Special Publication Series volume SP- 1530, also 2000 SAE Transactions, Journal of Engines, Vol. 109, Section 3, pp. 1327-1339

Assanis, D. N., Filipi, Z. S., Gravante, S., Grohnke, D., Gui, X., Louca, L., Rideout, G., Stein, J., Wang , Y., “Validation and Use of SIMULINK Integrated, High Fidelity, Engine-In-Vehicle Simulation of the International Class VI Truck”, SAE Special Publication Series volume SP- 1527, also SAE 2000 Transactions, Journal of Engines, Vol. 109, Section 3, pp. 384-399

Pre-2000

Assanis D., Delagrammatikas, G, Fellini, R., Filipi, Z., Liedtke, J., Michelena, N., Papalambros, P., Reyes, D., Rosenbaum, D., Sales, A., Sasena, M.,“An Optimization Approach to Hybrid Electric Propulsion System Design”, Mechanics of Structures and Machines, Volume 27, No. 4, 1999., pp. 393 - 421

Assanis, D. N., Bryzik, W., Castanier, M. P., Darnell, I. M., Filipi, Z. S., Hulbert, G. M., Jung, D., Ma, Z.-D., Perkins, N. C., Pierre, C., Scholar, C. M., Wang, Y., and Zhang, G., 1999, "Modeling and Simulation of an M1 Abrams Tank with Advanced Track Dynamics and Integrated Virtual Diesel Engine,"Mechanics of Structures and Machines, Vol. 27, No. 4, pp. 453-505

Assanis, D. N., Bryzik, W., Chalhoub, N., Filipi, Z., Henein, N., Jung, D., Liu, X., Louca, L., Moskwa, J., Munns, S., Overholt, J., Papalambros, P., Riley, S., Rubin, Z., Sendur, P., Stein, S., Zhang, G., “Integration and Use of Diesel Engine, Driveline and Vehicle Dynamics Models for Heavy Duty Truck Simulation”, SAE 1999 Transactions – Journal of Engines, Vol. 108, Section 3, pp. 1460-1475

Anderson, M. K, Assanis, D. N., Filipi, Z. S.,”First and Second Law Analyses of a Naturally-Aspirated, Miller Cycle, SI Engine with Late Intake Valve Closure”, SAE 1998 Transactions – Journal of Engines, Vol. 107, Section 3, pp. 1355-1370

Agarwal, A., Filipi, Z. S., Assanis, D. N., and Baker, D. M.,“Assessment of Single- and Two-Zone Turbulence Formulations for Quasi-Dimensional Modeling of Spark-Ignition Engine Combustion”, Combustion Science and Technology , Vol. 136, 1-6, 1998., p. 13 – 39

Alsterfalk, M., Filipi, Z. S., Assanis, D. N.,”The Potential of the Variable Stroke Spark-Ignition Engine”, SAE Transactions 1997: Journal of Engines, Vol. 106, Section 3, pp. 259-268

Zhang, G., Filipi, Z. S., Assanis, D. N.,”A Flexible, Reconfigurable, Transient Multi-Cylinder Diesel Engine Simulation for System Dynamics Studies”, Mechanics of Structures and Machines, 25(3), 1997, pp. 357-378.

Filipi, Z.,"Calibration and Validation of the Turbocharged SI Engine Computer Simulation Based on the Quasi-Dimensional Combustion Model", Mobility & Vehicle Mechanics, Vol. 18, No.4, Kragujevac, Yugoslavia, 1992

Filipi, Z., Assanis, D.N.,"Quasi-Dimensional Computer Simulation of the Turbocharged SI Engine and Its Use for 2 and 4 Valve Engine Matching Study", SAE 1991 Transactions, Volume 100, Section 3, 1991

Selected Refereed Conference or Symposium Proceedings

Filipi, Z., Hagena, J., Fathy, H., Assanis, D., Stein, J., “Investigating Effects of Transients on Diesel Emissions using Engine-in-the-Loop Testing”, THIESEL 2006 Conference on Thermo- and Fluid Dynamic Processes in Diesel Engines, Valencia, Spain, Sept. 2006

Wu, B., Filipi, Z., Prucka, R., Kramer, D., Ohl, G., “A Simulation-Based Approach for Developing Optimal Calibrations for Engines with Variable Valve Actuation”, Proceedings of the Conference on New Trends in Engine Control, Simulation and Modeling, E-COSM - Rencontres Scientifiques de l'IFP , Paris, 2-4 October 2006, pp. 139-152

Hagena, J.R., Filipi, Z.S., Assanis, D.N., “Transient Diesel Emissions: Analysis of Engine Operation During a Tip-In”, SAE paper 2006-01-1151, 2006 SAE World Congress, Detroit, 2006

Malikopoulos, A., Filipi, Z., Assanis, D., “Simulation of an Integrated Starter Alternator (ISA) System for the HMMWV, SAE Paper 2006-01-0442, 2006 SAE World Congress, Detroit, 2006

Filipi, Z., Fathy, H., Hagena, J., Knafl, A., Ahlawat, R., Liu, J., Jung, D., Assanis, D., Peng, H., Stein, J., “Engine-in-the-Loop Testing for Evaluating Hybrid Propulsion Concepts and Transient Emissions – HMMWV Case Study”, SAE paper 2006-01-0443, 2006 SAE World Congress, Detroit, 2006

J. Liu, H. Peng and Z. Filipi, “Modeling and Analysis of the Toyota Hybrid System,” Proceedings of the 2005 IEEE/ASME Advanced Intelligent Mechatronics Conference, Monterrey, CA, 2005.

Lee, S., Bae, C., Prucka, R., Fernandes, G., Filipi, Z. S., Assanis, D.N., “Quantification of Thermal Shock in a Piezoelectric Pressure Transducer”, SAE Paper 2005-01-2092, SAE 2005 Fuels & Lubricants Meeting & Exhibition, May 11-13, 2005, Rio de Janeiro, Brazil

Knafl, A., Hagena, J.R., Filipi, Z.S., Assanis, D.N., “Dual-Use Engine Calibration: Leveraging Modern Technologies to Improve Performance - Emissions Tradeoff”, SAE paper 2005-01-1549, presented at the 2005 SAE World Congress in Detroit, 2005

Zeng, P, Prucka, R.G., Filipi Z.S., Assanis, D.N.,”Reconstructing Cylinder Pressure of a Spark-Ignition Engine for Heat Transfer and Heat Release Analyses”, Proceedings of ASME ICEF 2004, ICEF2004-886, ASME Internal Combustion Engine Division 2004 Fall Technical Conference, October 24-27, 2004, Long Beach, CA

Cho, H, Jung, D, Filipi, Zoran S., Assanis, D.N., Vanderslice, J., Bryzik, W.,”Application of Controllable Electric Coolant Pump for Fuel Economy and Cooling Performance Improvement”, Proceedings of the 2004 ASME International Mechanical Engineering Congress, IMECE2004-61056, November 13-19, 2004, Anaheim, CA

Kazancioglu, E., Wu, G., Ko, J., Bohac, S., Filipi, Z., Hu, S. J., Assanis, D., Saitou, K., ”Robust Optimization of an Automobile Valvetrain Using a Multiobjective Genetic Algorithm”, Proceedings of 2003 ASME Design Engineering Technical Conference, DETC2003/DAC – 48714, Chicago, IL, 2003

Jacobs, T., Filipi. Z., Assanis, D.,”The Impact of Exhaust Gas Recirculation on Performance and Emissions of a Heavy-Duty Diesel Engine”, SAE paper 2003-01-1068, Warrendale, PA, 2003

Louca, L.S., Kokkolaras, M., Delagrammatikas, G.J., Michelena, N.F., Filipi, Z.S., Papalambros, P.Y., and Assanis, D.N.,“Analytical target cascading for the design of an advanced technology heavy truck”, Proceedings of the 2002 ASME International Mechanical Engineering Congress and Exposition, New Orleans, LA. Paper No. IMECE-2002-32860

Wu, B., Lin, C.-C., Filipi, Z., Peng H., Assanis, D., “Optimization of Power Management Strategies for a Hydraulic Hybrid Medium Truck”, Proceedings of the 6th International Symposium on Advanced Vehicle Control AVEC '02, Hiroshima, Japan, 2002, pp. 559 – 564; paper selected as one of the 12 finalists for the Best Paper Award.

Filipi, Z, Wang, Y., Assanis, D,“Effect of Variable Geometry Turbine (VGT) on Diesel Engine and Vehicle System Transient Response” SAE paper 2001-01-1247, Warrendale, PA, 2001
16. Lin, C.-C., Filipi, Z., Wang, Y., Louca, L., Peng, H., Assanis, D., Stein, J.,” Integrated, Feed-Forward Hybrid Electric Vehicle Simulation in SIMULINK and its Use for Power Management Studies”, SAE paper 2001-01-1334, Warrendale, PA, 2001

Pre-2000

Assanis, D. N., Filipi, Z. S., Zhang, G.,” Development of Interactive Graphical Software Tools in the Context of Teaching Modeling of Internal Combustion Engines in the Multimedia Classroom”, Proceedings of the 1997 ASEE Annual Conference, paper number 165801, Milwaukee, June 15-17, 1997.

Filipi, Z. S., Homsy, S. C., Morrison, K. M., Hoffman, S. J., Dowling, D. R., Assanis, D. N.,”Strain Gage Based Instrumentation for In-Situ Diesel Fuel Injection System Diagnostics”, Proceedings of the 1997 ASEE Annual Conference, paper No. 225903, Milwaukee, June 15-17, 1997

Filipi, Z., Assanis, D. N.,"On Determining the Optimum Stroke-to Bore Ratio for a Spark Ignition Engine of Given Displacement", Proceedings of the XXVI FISITA Congress on CD-ROM, Prague, 1996.

Petrovic, S., Tomic, M., Matejic, M., Filipi, Z., Balvanlijev, A., Jovanovic, Z.,”Experimental and Theoretical Evaluation of Friction Losses in a Four Cylinder Gasoline Engine”, Proceedings of the 2nd International Conference on Tribology Balkantrib ‘96, Thessaloniki, 1996., pp. 554-561

Filipi, Z.,"Investigation of Variable Valve Area Strategies for a Turbocharged SI-Engine", Proceedings of the IMechE 1994-6, 5th International Conference on Turbocharging and Turbochargers, London, 1994, pp. 93 – 102

Filipi, Z.,"The Effect of Using 4 Valves per Cylinder on Turbocharged SI Engine Performance - Simulation Study", Proc. of the 7th International Conference CONAT '93, Brasov, 1993.

Petrovic, S., Filipi, Z., Cveticanin, Z., Janicijevic, D., Popovic, M., Stanojevic, M.,"Experimental and Theoretical Investigation of 1.4 L Spark Ignition Engine Turbocharging", Proc. of the 7th International Symposium MOTOR-SIMPO '90, Visoke Tatry, 1990.

Pre-1990

Filipi, Z., Petrovic, S., Popovic, M.,"Development and Experimental Investigation of a 1.1 L Turbocharged Intercooled Carburettor Engine", , SAE paper 890458, presented at the "1989 SAE International Congress & Exposition", SAE Special Publication volume SP-780, Detroit, 1989

Filipi, Z., Petrovic, S., Popovic, M.,"Experimental Investigation of a Turbocharged 1,1 l Gasoline Engine with Intercooler", Proc. 6th International Symposium MOTOR-SYMPO '88, Visoke Tatry, 1988