ISO 8178-7:2015 PDF

Reciprocating internal combustion engines — Exhaust emission measurement — Part 7: Engine family determination

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Title (English):

ISO 8178-7:2015

Reciprocating internal combustion engines — Exhaust emission measurement — Part 7: Engine family determination

Document status:: Active
Format:: Electronic (PDF)
Number of pages:: 6
Publication date:: July 23, 2015
Edition:: ISO IS 8178 edition 2 version 1
ICS:: 13.040.50

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Description (English):

ISO 8178-7:2015 specifies the parameters to be applied for the determination of which engine specifications may be included in an engine family and for the selection of the parent engine of the family. ISO 8178-7:2015 is applicable to reciprocating internal combustion engines for land, rail traction, and marine use, excluding engines for motor vehicles primarily designed for on-road operation. It may be applied to engines for power production and/or propulsion, e.g. agricultural equipment, road construction and earth moving machines, industrial trucks, generating sets, etc.

Technical details

Technical committee: ISO/TC 70/SC 8 - Exhaust gas emission measurement
SKU: ISO 8178-7:2015

Abstract

Overview

ISO 8178-7:2015 defines the parameters and procedures used to determine which reciprocating internal combustion engines may be grouped into an engine family and how to select the parent engine for emissions testing. The part applies to non-road engines for land, rail traction and marine use (excluding on-road vehicles) and supports manufacturers and approval authorities in reducing the number of engines that require full emissions testing while ensuring compliance with emission limits.

Key Topics

Scope and responsibilities: The manufacturer identifies candidate engines, proposes family membership and provides technical justification. Parties involved (manufacturer and approval authority) agree the final family and parent-engine selection.
Parameters defining an engine family: Basic characteristics that must be common to family members include:
- Combustion cycle (two-stroke, four-stroke, rotary, etc.)
- Main cooling medium (air, water, oil)
- Individual cylinder displacement: for unit displacement ≥ 0.75 dm3, members shall be within 85%–100% of the largest; for

Related standards

Other ISO standards

Overview

Key Topics

Scope and responsibilities: The manufacturer identifies candidate engines, proposes family membership and provides technical justification. Parties involved (manufacturer and approval authority) agree the final family and parent-engine selection.
Parameters defining an engine family: Basic characteristics that must be common to family members include:
- Combustion cycle (two-stroke, four-stroke, rotary, etc.)
- Main cooling medium (air, water, oil)
- Individual cylinder displacement: for unit displacement ≥ 0.75 dm3, members shall be within 85%–100% of the largest; for

ISO 8178-7:2015 PDF

Technical details

Abstract

Overview

Key Topics

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Overview

Key Topics

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