Assessment and Optimization of Friction Losses and Mechanical Efficiency in Internal Combustion Engines

Abstract

Brake Mean Effective Pressure BSFC Brake Specific Fuel Consumption CAD Crank Angle Degree CAN Controller Area Network CGS Centimetre-gram-second CI Compression Ignition CoF Coefficient of Friction CPU Central Processing Unit DOC Diesel Oxidation Catalyst DI Direct Injection DPF Diesel Particulate Filter ECU Electronic Control Unit EGR Exhaust Gas Recirculation EHD Elastohydrodinamic EHL Elastohydrodinamic lubrication EP Extreme-pressure FMEP Friction Mean Effective Pressure FWD Front Wheel Drive GCI Gray Cast Iron GDI Gasoline Direct Injection GHG Greenhouses Gases GNP Gross National Product WCAC Water Cooled Air Cooler WLTC Worldwide Harmonized Light Vehicles Test Cycle ZDDP zinc dialkyl dithiophosphates