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BS EN 16906:2023 - TC Tracked Changes. Liquid petroleum products. Determination of the ignition quality of diesel fuels. Fixed compression ratio engine method, 2023
- 30481606
- A-30450338 [Go to Page]
- undefined
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 Principle
- 5 Reagents and materials [Go to Page]
- 5.1 Reference materials
- 5.2 Check fuels
- 6 Apparatus [Go to Page]
- 6.1 General
- 6.2 Mechanical equipment
- 6.3 Electrical equipment
- 6.4 Reference fuel dispensing equipment
- 7 Sampling
- 8 Standard operating and test conditions
- 9 Calibration, verification and quality control
- 10 Procedure [Go to Page]
- 10.1 Engine check and warm-up
- 10.2 Bracketing procedure [Go to Page]
- 10.2.1 Unknown sample
- 10.2.2 First primary reference fuel
- 10.2.3 Second primary reference fuel
- 10.2.4 Repeat readings
- 10.3 Procedure using a calibration graph
- 10.4 Shut-down of the engine
- 11 Calculation [Go to Page]
- 11.1 Calculation for the bracketing procedure
- 11.2 Calculation for the calibration graph
- 12 Expression of results
- 13 Precision [Go to Page]
- 13.1 General
- 13.2 Repeatability
- 13.3 Reproducibility
- Annex A (informative)Evaluation example of the cetane number using a calibration graph
- Annex B (informative)Auxiliary digital equipment [Go to Page]
- B.1 General
- B.2 Apparatus [Go to Page]
- B.2.1 Oil-pressure sensor, installed at the oil pressure line.
- B.2.2 Oil temperature sensor, combined with the additionally supplied oil dip-stick to be placed into the designated borehole.
- B.2.3 Exhaust gas temperature sensor, placed to the exhaust-pipe.
- B.2.4 Cooling-water temperature sensor, installed at the water elbow joint.
- B.2.5 Injection Pick-up, placed on the injection nozzle.
- B.2.6 Dead-Top Centre (DTC) Pick-up, installed at the fastener opposite to the flywheel.
- B.2.7 Combustion Pick-up, inductive pressure difference sensor or absolute pressure sensor.
- B.2.8 Vacuum sensor, installed at the entrance of the surge tank.
- B.2.9 Ambient sensor, for absolute air pressure, temperature and humidity.
- B.2.10 Intake air temperature sensor (optional), for monitoring the steady-state conditions for operating the engine.
- B.2.11 Diesel flow meter (optional), for measuring the diesel flow rate.
- B.3 Set-up
- B.4 Calibration [Go to Page]
