ДСТУ EN ISO 5165:2022 Нафтопродукти. Визначення якості запалювання дизельного палива. Метод цетанового двигуна (EN ISO 5165:2020, IDT; ISO 5165:2020, IDT)

ДСТУ EN ISO 5165:2022
(EN ISO 5165:2020, IDT; ISO 5165:2020, IDT) 

 Нафтопродукти. Визначення якості запалювання дизельного палива. 
Метод цетанового двигуна 

 
   
 
Не є офіційним виданням.
Офіційне видання розповсюджує національний орган стандартизації
(ДП «УкрНДНЦ» http://uas.gov.ua)

Contents

Foreword

1 Scope

2 Normative references

3 Terms and definitions

4 Principle

5 Reagents and reference materials

6 Apparatus

6.1 Test engine assembly

6.2 Instrumentation

6.3 Reference fuels dispensing equipment

6.4 Injector nozzle tester

6.5 Special maintenance tools

7 Sampling and sample preparation

8 Basic engine and instrument settings and standard operating conditions

8.1 Installation of engine equipment and instrumentation

8.2 Engine speed

8.3 Valve timing

8.4 Valve lift

8.5 Fuel pump timing

8.6 Fuel pump inlet pressure

8.7 Direction of engine rotation

8.8 Injection timing

8.9 Injector nozzle opening pressure

8.10 Injection flow rate

8.11 Injector coolant passage temperature

8.12 Valve clearances

8.13 Oil pressure

8.14 Oil temperature

8.15 Cylinder jacket coolant temperature

8.16 Intake air temperature

8.17 Basic ignition delay

8.18 Cylinder jacket coolant level

8.19 Engine-crankcase lubricating oil level

8.20 Crankcase internal pressure

8.21 Exhaust back-pressure

8.22 Exhaust and crankcase breather system resonance

8.23 Piston over-travel

8.24 Belt tension

8.25 Injector opening or release pressure

8.26 Injector spray pattern

8.27 Indexing handwheel reading

8.28 Basic compression pressure

8.29 Fuel pump lubricating oil level

8.30 Fuel pump timing gear-box oil level

8.31 Setting instrumentation reference pickups

8.32 Setting injector pickup gap

9 Engine qualification

9.1 Engine conformity

9.2 Checking performance on check fuels

9.3 Check in the case of nonconformity

10 Procedure

10.1 General

10.2 Sample introduction

10.3 Fuel flow rate

10.4 Fuel injection timing

10.5 Ignition delay

10.6 Equilibration

10.7 Hand wheel reading

10.8 Reference fuel no. 1

10.9 Reference fuel no. 2

10.10 Number of blends of reference fuels

10.11 Repeat readings

11 Calculation

12 Expression of results

13 Precision

13.1 General

13.2 Repeatability, r

13.3 Reproducibility, R

13.4 Precision basis

14 Test report

Bibliography