Recommended Practice for Splash and Spray Evaluation
- Ground Vehicle Standard
- J2245_201105
- Stabilized
Scope
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a
It only applies to “A-B” comparisons done under the “same” conditions as outlined in the test procedure.
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b
Tests done at different sites may not necessarily be comparable, depending on the exact conditions and specific site locations at the time of the tests.
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c
Because uncontrollable variables such as wind speed and direction, water depth, humidity, and temperature can have a profound effect on measured results, small differences (on the order of 10 to 15%) in measured splash and spray may not be meaningful and the relevance of such small measured differences should be viewed with caution.
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d
Results from the testing should be reported as the difference between the 95% confidence bands and not as the differences between averages.
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e
Each configuration tested shall have a separate value with 95% confidence bands reported for each of eight wind conditions using the downwind rule, as outlined in the data reduction.
Rationale
Recommended Content
Data Sets - Support Documents
| Title | Description | Download |
|---|---|---|
| TABLE 1 | SAMPLE TEST PLAN | |
| TABLE 2 | AVERAGE PERCENT AREA OF CHECKERBOARD OBSCURED BY SPRAY | |
| TABLE 3 | DOWNWIND RULE |
Issuing Committee
Automated and Connected Commercial Vehicles Committee
The Automated and Connected Commercial Vehicles Committee is organized under the SAE Truck-Bus Council Total Vehicle Steering Committee and has the responsibility to initiate, develop, review and approve the SAE Technical Reports (Standards, Recommended Practices, and Information Reports) related to automated/autonomous/connected commercial vehicle systems. Vehicle types comprising these systems include vans, utility vehicles, trucks, truck tractor combinations, trailers and buses over 10,000 lbs. GVWR. The committee shall explore the varying needs and opportunities related to standards development for ACVS with the objective of systematically integrating relevant aspects of safety, communications, human factors, sensors, performance and powertrain elements recognizing the significant interdependence of these systems in relevant standards development. This scope of work is done on behalf of the Total Vehicle Steering Committee, SAE Truck-Bus Council, the Technical Standards Board, and to serve the best interests of the public.
Reference
| Number | Title |
|---|---|
| ASTME501 | This document is not part of the subscrption. |
| ASTME524 | This document is not part of the subscrption. |