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Technical Papers
SAE 2006-01-3556
Comparison of Established Heavy Brake Heating / Cooling Models with HVE Brake Designer in a Real Mountain Accident
Roland A. Ruhl, Daniel A. Fittanto, Roland L. Ruhl, Louis V. Inendino, and Ericka J. Southcombe
In this paper, a real-world accident that involved a tractor-semitrailer that lost its brakes on a steep downgrade is analyzed. The crash was caused by brake loss due to massive overheating caused by inoperative brakes, driving too fast for conditions, and driving in an improper gear. The effect on brake temperatures from prior uphill and downhill stretches encountered just before the crash is considered. The crash is analyzed using a Microsoft Excel spreadsheet-based transient brake model for three sets of published brake temperature modeling methodologies and paramters: The Grade Severity Rating System developed by NHTSA (GSRS), a model developed by the University of Michigan Transportation Research Institute (UMTRI), and a model developed by Rudolf Limpert (Limpert) A fourth and different appraoch utilized a heavy truck simulation (HVE-Simon) with HVE Brake Designer. The results of this analysis using the four models are compared.
For a complete copy of this paper, contact:
Society of Automotive Engineers
400 Commonwealth Drive
Warrendale, PA 15096-0001
(724)776-4841 (Phone)
(724)776-5760 (Fax)
SAE 2006-01-3479
Evaluation of the SIMON Tractor-Semitrailer Model for Steady State and Transient Handling
SAE 2006-01-3557
Usable Models for Free and Forced Cooling of Commercial Vehicle Drum Brakes
SAE 2006-01-3556
Comparison of Established Heavy Brake Heating / Cooling Models with HVE Brake Designer in a Real Mountain Accident
RF2005-01
Commercial Vehicle Onboard Electronics - Global Positioning Systems, Engine Control Modules and Safety Systems and Devices
IMECE2004-59566
Analysis of a Common Cause Hypothesis in a Forensic Product Defect Analysis
SAE 2004-01-2717
Safety Concerns in Automatic Control of Heavy-Duty Articulated Vehicles
SAE 2003-01-3393
Numerical Methods for Evaluating ECM Data in Accident Reconstruction and Vehicle Dynamics
SAE 2003-01-3363
Development of a Dynamic Model of an Air-ride Seat for On-highway Trucks
SAE 2003-01-3419
Simulation of Intelligent Convoy with Autonomous Articulated Commercial Vehicles
SAE 2002-01-3104
Factors Affecting the Friction Coefficients Between Wooden and Plastic Pallets and the Wooden Floor Of A Van-type Semi-trailer
SAE 2002-01-1566
Overview of Carat-4, a Multi-body Simulation and Collision Modeling Program
SAE 2001-01-2755
Factors Affecting the Friction Coefficients Between Wooden Pallets and the Wooden Floor of a Van-type Semi-trailer
SAE 2001-01-2733
Feasibility of Modifying an Existing Semi-Trailer Air Suspension Into An Anti-Rollover System
SAE 2000-01-3476
Fluid Load Analysis Within the Static Roll Model
SAE 2000-01-1616
Utilizing a Genetic Algorithm to Optimize Vehicle Simulation Trajectories: Determining Initial Velocity of a Vehicle in Yaw
RF2000-01
The Post-Kumho Exclusion of a Traffic Accident Reconstruction Expert
SAE 1999-01-3782
A Prototype Computer Based Test System to Test Commercial Vehicle Air Brake Systems: Application and Test Results
SAE 1999-01-3732
Dynamics and Roll Stability of a Loaded Class 8 Tractor-Livestock Semi-Trailer
SAE 973261
Prediction of Steady State Roll Threshold for Loaded Flat Bed Trailers - Theory and Calculation
SAE 971033
Ventilated Brake Rotor Air Flow Investigation
SAE 900106
Skidmark Signatures of ABS-Equipped Passenger Cars
SAE 880066
Combining Scene Data with Trajectory Information for Effective Accident Simulation
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