ISO 8178-11:2006 PDF

Scope: This part of ISO 8178 specifies the measurement and evaluation methods for gaseous and particulate exhaust emission from reciprocating internal combustion (RIC) engines under transient conditions on a test bed, necessary for determining one value for each exhaust gas pollutant. The specific transient test cycle covered by this part of ISO 8178 is applicable to compression-ignition engines for mobile use with a power output between 37 kW and 560 kW, excluding engines for motor vehicles primarily designed for road use. This part of ISO 8178 may be applied to engines used in off-road vehicles and diesel powered off-road industrial equipment as described in 8.3.1.3 of ISO 8178-4. This includes e.g. engines for construction equipment including wheel loaders, bulldozers, crawler tractors, crawler loaders, truck-type loaders, off-highway trucks, hydraulic excavators, agricultural equipment, self propelled agricultural vehicles (including tractors), forestry equipment, fork lift trucks, road maintenance equipment and mobile cranes. Many of the procedures described below are detailed accounts of laboratory methods, since determining an emissions value requires performing a complex set of individual measurements, rather than obtaining a single measured value. Thus, the results obtained depend as much on the process of performing the measurements as they depend on the engine and test method.

ISO 8178-11:2006 Referenced Document

ISO 14396:2002 Reciprocating internal combustion engines - Determination and method for the measurement of engine power - Additional requirements for exhaust emission tests in accordance with ISO 8178
ISO 15550 Internal combustion engines - Determination and method for the measurement of engine power - General requirements*， 2016-12-01 Update
ISO 16183:2002 Heavy-duty engines - Measurement of gaseous emissions from raw exhaust gas and of particulate emissions using partial flow dilution systems under transient test conditions
ISO 5167-1 Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full — Part 1: General principles and requirements*， 2022-06-16 Update
ISO 5725-2:1994 Accuracy (trueness and precision) of measurement methods and results - Part 2: Basic method for the determination of repeatability and reproducibility of a standard measurement method
ISO 8178-1 Reciprocating internal combustion engines — Exhaust emission measurement — Part 1: Test-bed measurement systems of gaseous and particulate emissions*， 2020-06-24 Update
ISO 8178-5 Reciprocating internal combustion engines — Exhaust emission measurement — Part 5: Test fuels*， 2021-05-17 Update

2006 ISO 8178-11:2006 Reciprocating internal combustion engines - Exhaust emission measurement - Part 11: Test-bed measurement of gaseous and particulate exhaust emissions from engines used in nonroad mobile machinery under transient test conditions