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BS EN 16715:2015 Liquid petroleum products. Determination of ignition delay and derived cetane number (DCN) of middle distillate fuels. Ignition delay and combustion delay determination using a constant volume combustion chamber with direct fuel injection >
BS EN 16715:2015 Liquid petroleum products. Determination of ignition delay and derived cetane number (DCN) of middle distillate fuels. Ignition delay and combustion delay determination using a constant volume combustion chamber with direct fuel injection, 2015
- European foreword
- Introduction
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 Principle
- 5 Reagents and materials
- 6 Apparatus
- 7 Sampling
- Figure 1 — Schematic overview of combustion analyser
- 8 Apparatus assembly and installation
- 9 Preparation of apparatus [Go to Page]
- Table 1 — Standard operating test conditions
- 10 Calibration, verification and quality control [Go to Page]
- Table 2 — Limits for calibration and Apparatus verification [Go to Page]
- 11 Test procedure
- 12 Calculation
- 13 Expression of results
- 14 Precision [Go to Page]
- Table 3 — Precision values
- Table 4 — Calculated precision values for information
- 15 Test report
- Annex A (normative) Combustion analyser description
- A.1 General
- A.2 Apparatus description and assembly
- Table A.1 — Injection volume vs. injection time
- A.3 Control and data acquisition
- Annex B (normative) Operational details in support to the standard test procedure
- B.1 General
- B.2 Cleaning procedure to prepare fuel system for calibration
- B.3 Automatic calibration procedure
- B.4 Test sequence
- Figure B.1 — Typical signal output of Injector and pressure sensor for a single combustion cycle
- B.5 Unit shutdown
- Bibliography [Go to Page]