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BS EN 15195:2014, BS 2000-498:2014 Liquid petroleum products. Determination of ignition delay and derived cetane number (DCN) of middle distillate fuels by combustion in a constant volume chamber >
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BS EN 15195:2014, BS 2000-498:2014 Liquid petroleum products. Determination of ignition delay and derived cetane number (DCN) of middle distillate fuels by combustion in a constant volume chamber, 2014
- Contents Page
- Foreword
- Introduction
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 Principle
- 5 Reagents and materials
- 6 Apparatus [Go to Page]
- Figure 1 — Schematic overview of combustion analyser
- Figure 1 — Schematic overview of combustion analyser (continued)
- 7 Sampling
- 8 Apparatus assembly and installation
- 9 Preparation of apparatus [Go to Page]
- Table 1 — Standard operating and test conditions
- Table 2 — Tolerance limits for apparatus calibration and verification
- 10 Calibration, verification and quality control [Go to Page]
- 11 Test procedure
- 12 Calculation
- 13 Expression of results
- 14 Precision [Go to Page]
- Table 3 — Precision values
- Table 4 — Exemplary precision data
- Table 4A — Ignition delay data
- Table 4B — Derived cetane number data
- 15 Test report
- Annex A (normative) Test apparatus description
- A.1 General
- A.2 Apparatus description and assembly
- Figure A.1 — Schematic of combustion chamber
- A.3 Utilities
- A.4 Control and data acquisition
- A.5 Auxiliary apparatus
- Annex B (normative) Operational details in support to the standard test procedure
- B.1 Fuel injection system flushing
- B.2 Fuel injection system filling and purging
- B.3 Test sequence
- B.3.1 General
- B.3.2 Test sequence
- Figure B.1 —Typical signal output of motion and pressure sensors for a single combustion cycle
- B.3.3 Data record
- B.4 Fuel injection system cleaning
- B.5 Alternative fuel injection system cleaning
- Annex C (informative) Apparatus maintenance
- C.1 General
- C.2 Daily maintenance
- C.3 Weekly maintenance
- C.4 Yearly maintenance
- Annex D (informative) Equation outside scope of method
- Bibliography [Go to Page]