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SAE IC Powertrain Steering Committee Exhaust systems Automotive

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Standard

ENGINE TERMINOLOGY AND NOMENCLATURE—GENERAL
1995-06-28
HISTORICAL
J604_199506
This SAE Recommended Practice is applicable to all types of reciprocating engines including two-stroke cycle and free piston engines, and was prepared to facilitate clear understanding and promote uniformity in nomenclature. Modifying adjectives in some cases were omitted for simplicity. However, it is good practice to use adjectives when they add to clarity and understanding.
Standard

Engine Terminology and Nomenclature - General
2011-08-05
CURRENT
J604_201108
This SAE Recommended Practice is applicable to all types of reciprocating engines including two-stroke cycle and free piston engines, and was prepared to facilitate clear understanding and promote uniformity in nomenclature. Modifying adjectives in some cases were omitted for simplicity. However, it is good practice to use adjectives when they add to clarity and understanding.
Standard

EMISSIONS TERMINOLOGY AND NOMENCLATURE
1976-08-01
HISTORICAL
J1145_197608
This recommended practice applies to nomenclature of emissions and emissions reduction apparatus as applied to various engines and vehicles. Modifying adjectives are omitted in some cases for the sake of simplicity. However, it is considered good practice to use such adjectives when they add to clarity and understanding.
Standard

ENGINE WEIGHT AND DIMENSIONS
1990-04-01
HISTORICAL
J2038_199004
This SAE Recommended Practice has been developed to provide a uniform method for reporting the weight and dimensions of internal combustion engines. SAE J2038 is not intended to cover the technical interface between the engine and transmission. To locate the rear of the engine crankshaft in relationship to the rear of the flywheel housing, refer to SAE J617.
Standard

Multiposition Small Engine Exhaust System Fire Ignition Suppression
2020-10-06
CURRENT
J335_202010
This SAE Recommended Practice establishes equipment and test procedures for determining the performance of spark arrester exhaust systems of multiposition small engines (<19 kW) used in portable applications, including hand-held, hand-guided, and backpack mounted devices. It is not applicable to spark arresters used in vehicles or stationary equipment.
Standard

MEASUREMENT OF INTAKE AIR OR EXHAUST GAS FLOW OF DIESEL ENGINES
1971-05-01
HISTORICAL
J244_197105
The detailed recommendations have been limited to three metering systems and the associated equipment required to measure diesel engine gas flows at steady-state operating conditions. Accuracy goals are established, and the procedures and equipment are proposed as required to obtain desired measurement accuracy.
Standard

MEASUREMENT OF INTAKE AIR OR EXHAUST GAS FLOW OF DIESEL ENGINES
1992-08-01
HISTORICAL
J244_199208
This procedure establishes recommendations on the measurement of diesel engine intake air flow under steady-state test conditions. The measurement methods discussed have been limited to metering systems and associated equipment found in common usage in the industry, specifically, nozzles, laminar flow devices, and vortex shedding. The procedure establishes accuracy goals as well as explains proper usage of equipment. The recommendations concerning diesel engine exhaust mass flow measurements are minimal in scope.
Standard

DIESEL SMOKE MEASUREMENT PROCEDURE
1973-01-01
HISTORICAL
J35_197301
The recommended practice applies to the dynamometer test procedure which can be used to assess the smoke emission characteristics of vehicular diesel engines. In particular, these procedures describe the smoke emissions test, smoke test cycle, equipment and instrumentation, instrument checks, and chart reading and calculation, for evaluation of an engine’s steady-state and transient smoke emission characteristics. A full-flow smoke opacimeter as opposed to other types of smokemeters is required because the test is designed to monitor transient smoke. Sampling type instruments have an excessive and variable delay and do not provide an accurate measurement of the engine’s transient smoke output. An Appendix shows that the Beer-Lambert law can be used to correlate opacity measurements with different meter path lengths. Additional or modified test conditions may be requested when this recommended practice is cited in a request for a smoke assessment.
Standard

DIESEL SMOKE MEASUREMENT PROCEDURE
1988-09-01
HISTORICAL
J35_198809
The recommended practice applies to the dynamometer test procedure which can be used to assess the smoke emission characteristics of vehicular diesel engines. In particular, this procedure describes the smoke test cycle, equipment and instrumentation, instrument checks, chart reading and calculation for evaluation of an engine’s transient smoke emission characteristic. In addition, this procedure offers guidelines to be used in establishing correlation between full flow in-line and end-of-line opacimeters. Since the type of test described here is transient in nature, a fast responding full flow opacimeter is required for the smoke measurements. Slow responding or sampling, or both, type instruments must not be used since they typically have excessive and variable response delays and do not provide an accurate measurement of an engine’s transient smoke characteristics.
Standard

Diesel Smoke Measurement Procedure
1995-03-01
HISTORICAL
J35_199503
This SAE Recommended Practice applies to the dynamometer test procedure which can be used to assess the smoke emission characteristics of vehicular diesel engines. In particular, this procedure describes the smoke test cycle, equipment and instrumentation, instrument checks, chart reading, and calculation for evaluation of an engine's transient smoke emission characteristic. In addition, this procedure offers guidelines to be used in establishing correlation between full flow in-line and end-of-line opacimeters. Since the type of test described here is transient in nature, a fast responding full flow opacimeter is required for the smoke measurements. Slow responding or sampling, or both, type instruments must not be used since they typically have excessive and variable response delays and do not provide an accurate measurement of an engine's transient smoke characteristics.
Standard

Medium- and Heavy-Duty Truck Converter/Muffler Configuration
2001-11-15
CURRENT
J1642_200111
This SAE Draft Technical Report is intended to document the technical consensus of the current design state of converter/mufflers for heavy-duty emission classification diesel vehicle applications. This will maximize standardization and promote interchangeability of parts from different manufacturers. The purpose of this SAE Draft Technical Report is to give the technical community the opportunity to review, comment on, and use the Draft Technical Report prior to its final approval by SAE.
Standard

MEDIUM- AND HEAVY-DUTY TRUCK CONVERTER/MUFFLER CONFIGURATION
1993-02-19
HISTORICAL
J1642_199302
This SAE Draft Technical Report is intended to document the technical consensus of the current design state of converter/mufflers for heavy-duty emission classification diesel vehicle applications. This will maximize standardization and promote interchangeability of parts from different manufacturers.
Standard

Spark Arrester Test Procedure for Large Size Engines
2020-10-06
CURRENT
J342_202010
This SAE Recommended Practice establishes equipment and procedures for the evaluation of the effectiveness and other performance characteristics of spark arresters or turbochargers used on the exhaust system of large engines normally used in a railroad locomotive, stationary power plant, and other similar applications. This document does not cover applications requiring flame arresting, exhaust gas cooling, or isolation from explosive gases. Two test methods are presented: a laboratory test using ambient air (cold test) and an engine test using exhaust gases (hot test). The hot test is preferred. Arresters tested by the provisions of this document can be expected to perform as tested when tilted no more than 45 degrees from their normal position. Test results from a spark arrester or turbocharger evaluated by the hot test can be applied to different engines of similar design, provided the data shows it to be effective in the applicable flow ranges.
Standard

Spark Arrester Test Carbon
2020-10-06
CURRENT
J997_202010
This SAE Standard establishes physical properties required of SAE Coarse Test Carbon and SAE Fine Test Carbon and establishes test methods to ensure that these requirements are met.
Standard

Spark Arrester Test Carbon
2013-03-26
HISTORICAL
J997_201303
This SAE Standard establishes physical properties required of SAE Coarse Test Carbon and SAE Fine Test Carbon and establishes test methods to ensure that these requirements are met.
Standard

Spark Arrester Test Procedure for Large Size Engines
2013-03-26
HISTORICAL
J342_201303
This SAE Recommended Practice establishes equipment and procedures for the evaluation of the effectiveness and other performance characteristics of spark arresters or turbochargers used on the exhaust system of large engines normally used in a railroad locomotive, stationary power plant, and other similar applications. This document does not cover applications requiring flame arresting, exhaust gas cooling, or isolation from explosive gases. Two test methods are presented: a laboratory test using ambient air (cold test) and an engine test using exhaust gases (hot test). The hot test is preferred. Arresters tested by the provisions of this document can be expected to perform as tested when tilted no more than 45 degrees from their normal position. Test results from a spark arrester or turbocharger evaluated by the hot test can be applied to different engines of similar design, provided the data shows it to be effective in the applicable flow ranges.
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