SAE J 2245 : 2011

Table of Contents

1 Scope
2 References
   2.1 Applicable Publications
       2.1.1 ASTM Publications
3 Test Vehicles
4 Test Site
   4.1 General Location and Layout
   4.2 Test Section
       4.2.1 Digitizing Method
       4.2.2 Laser Method
   4.3 Water Supply and Distribution
       4.3.1 SUPPLY
       4.3.2 Distribution
5 Test Instrumentation
   5.1 Splash and Spray Measurement
       5.1.1 Digitizing Method
       5.1.2 Laser Method
   5.2 Wind Measurement
       5.2.1 Digitizing Method ._
       5.2.2 Laser Method
   5.3 Humidity and Temperature Measurement
   5.4 Water Depth Measurement
   5.5 Test Vehicle Velocity Measurement
6 Test Procedure
   6.1 General Procedure
       6.1.1 Digitizing Method
       6.1.2 Laser Method
   6.2 Test Plan
   6.3 Preparations for Test Run
       6.3.1 Digitizing Method
       6.3.2 Laser Method
   6.4 Test Run Procedure
       6.4.1 Digitizing Method
       6.4.2 Laser Method
7 Data Reduction
   7.1 Digitizing Method
       7.1.1 Recorded Images
       7.1.2 Image Reduction
       7.1.3 Spray Region Calculation
    7.2 Laser Method
    7.3 Figure of Merit Calculation (Digitizing and
        Laser Method) for Each Wind Condition

Abstract

Gives general guidelines for measuring the splash and spray produced by vehicles operating over wet pavements. The guidelines describe both the video digitizing and the laser methods of analysis. The video-digitizing method uses video images and contrast measurements between black and white checkerboards when a spray cloud is superimposed on them as a means of measuring the obscuring spray. The laser method uses laser transmittance through the spray cloud as the means of measurement.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	SAE International
Pages
ISBN