Computer Program (VEHSIM) for Vehicle Fuel Economy and Performance Simulation (Automobiles and Light Trucks) : Vol. I: Description and Analysis

PDFTech ReportDOTTSC-NHTSA-81-23.IHS-806 037Fuel consumptionSimulationAutomobilesLight trucksVehicle performanceUnited StatesUnited States. National Highway Traffic Safety AdministrationZub, Russell W.John A. Volpe National Transportation Systems Center (U.S.)United States. National Highway Traffic Safety AdministrationNTL-HIGHWAY/ROAD TRANSPORTATION-HIGHWAY/ROAD TRANSPORTATIONNTL-ENERGY AND ENVIRONMENT-ENERGY AND ENVIRONMENTVolpe National Transportation Systems Center, Technical Reference CenterThis report presents an updated description of a vehicle simulation program, VEHSIM, which can determine the fuel economy and performance of a specified vehicle over a defined route as it executes a given driving schedule. Vehicle input accommodated by VEHSIM include accessories, engine, rear axle, converter, transmission, tires, aerodynamic drag coefficient, and shift logic. The report is comprised of four volumes. Volume I presents a description of the numerical approach and equations