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ASTM D6837-13

Standard Test Method for Measurement of Effects of Automotive Engine Oils on Fuel Economy of Passenger Cars and Light-Duty Trucks in Sequence VIB Spark Ignition Engine (Withdrawn 2022)

Automatische name übersetzung:

Standard Test Method for Messung der Auswirkungen der Automobilmotorenöle über den Kraftstoffverbrauch von Pkw und leichte Nutzfahrzeuge in Sequence VIB Ottomotor

NORM herausgegeben am 1.5.2013

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Informationen über die Norm:

Bezeichnung normen: ASTM D6837-13
Anmerkung: UNGÜLTIG
Ausgabedatum normen: 1.5.2013
SKU: NS-36729
Zahl der Seiten: 61
Gewicht ca.: 183 g (0.40 Pfund)
Land: Amerikanische technische Norm
Kategorie: Technische Normen ASTM

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Fuel systems

Die Annotation des Normtextes ASTM D6837-13 :

Keywords:

aged test oil, brake specific fuel consumption, break-in, calibration oil, flying flush, fuel economy, reference oil, sequence VIB, spark-ignition automotive engine, ICS Number Code 43.060.40 (Fuel systems)

Ergänzende Informationen

Significance and Use

5.1 Test Method—The data obtained from the use of this test method provide a comparative index of the fuel-saving capabilities of automotive engine oils under repeatable laboratory conditions. A baseline calibration oil (hereafter referred to as BC oil) has been established for this test to provide a standard against which all other oils can be compared. The BC oil is an SAE 5W-30 grade fully formulated lubricant. There is a direct correlation of Test Method D6837 (Sequence VIB) Fuel Economy Improvement (FEI) by percent with the fuel economy results obtained from vehicles representative of current production running under the current EPA testing cycles. The test procedure was not designed to give a precise estimate of the difference between two test oils without adequate replication. Rather, it was developed to compare a test oil to BC oil. Companion test methods used to evaluate engine oil performance for specification requirements are discussed in the latest revision of Specification D4485.

5.2 Use—The Sequence VIB test method is useful for engine oil fuel economy specification acceptance. It is used in specifications and classifications of engine lubricating oils, such as the following:

5.2.1 Specification D4485.

5.2.2 API Publication 1509.

5.2.3 SAE Classification J304.

5.2.4 SAE Classification J1423.

1. Scope

1.1 This test method covers an engine test procedure for the measurement of the effects of automotive engine oils on the fuel economy of passenger cars and light-duty trucks with gross vehicle weight of 3856 kg or less. The tests are conducted on a dynamometer test stand using a specified spark-ignition engine with a displacement of 4.6-L. It applies to multiviscosity grade oils used in these applications.

1.2 This test method also provides for the running of an abbreviated length test that is referred to as the VIBSJ. The procedure for VIBSJ is identical to the Sequence VIB with the exception of the items specifically listed in 1.3 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.3.1 Exceptions—Where there is no direct SI equivalent such as screw threads, National Pipe Threads/diameters, tubing size, or single source supply equipment specifications. Brake Specific Fuel Consumption is measured in kilograms per kilowatthour. In Figs. A2.4, A2.5, and A2.8, inch-pound units are to be regarded as standard.

1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

1.5 This test method is arranged as follows:

Subject

Section

Introduction

Scope

Referenced Documents

Terminology

Summary of Test Method

Significance and Use

Apparatus

General

6.1

Test Engine Configuration

6.2

Laboratory Ambient Conditions

6.3

Engine Speed and Torque Control

6.4

Dynamometer

6.4.1

Dynamometer Torque

6.4.2

Engine Cooling System

6.5

External Oil System

6.6

Fuel System

6.7

Fuel Flow Measurement

6.7.2

Fuel Temperature and Pressure Control to
the Fuel Flowmeter

6.7.3

Fuel Temperature and Pressure Control to
Engine Fuel Rail

6.7.4

Fuel Supply Pumps

6.7.5

Fuel Filtering

6.7.6

Engine Intake Air Supply

6.8

Intake Air Humidity

6.8.1

Intake Air Filtration

6.8.2

Intake Air Pressure Relief

6.8.3

Temperature Measurement

6.9

Thermocouple Location

6.9.5

AFR Determination

6.10

Exhaust and Exhaust Back Pressure Systems

6.11

Exhaust Manifolds

6.11.1

Laboratory Exhaust System

6.11.2

Exhaust Back Pressure

6.11.3

Pressure Measurement and Pressure Sensor
Locations

6.12

Engine Oil

6.12.2

Fuel to Fuel Flowmeter

6.12.3

Fuel to Engine Fuel Rail

6.12.4

Exhaust Back Pressure

6.12.5

Intake Air

6.12.6

Intake Manifold Vacuum/Absolute Pressure

6.12.7

Coolant Flow Differential Pressure

6.12.8

Crankcase Pressure

6.12.9

Engine Hardware and Related Apparatus

6.13

Test Engine Configuration

6.13.1

ECM/EEC (Engine Control) Module

6.13.2

Thermostat/Orifice Plate

6.13.3

Intake Manifold

6.13.4

Flywheel

6.13.5

Wiring Harnesses

6.13.6

EGR Block-Off Plate

6.13.7

Oil Pan

6.13.8

Oil Pump Screen and Pickup Tube

6.13.9

Idle Speed Control Solenoid (ISC) Block-Off
Plate

6.13.10

Engine Water Pump

6.13.11

Thermostat Housing

6.13.12

Oil Filter Adapter

6.13.13

Fuel Rail

6.13.14

Miscellaneous Apparatus Related to Engine
Operation

6.14

Timing Light

6.14.1

Reagents and Materials

Engine Oil

7.1

Test Fuel

7.2

Engine Coolant

7.3

Cleaning Materials

7.4

Preparation of Apparatus

Test Stand Preparation

8.2

Engine Preparation

Cleaning of Engine Parts

9.2

Engine Assembly Procedure

9.3

General Assembly Instructions

9.3.1

Bolt Torque Specifications

9.3.2

Sealing Compounds

9.3.3

Harmonic Balancer

9.3.5

Oil Pan

9.3.6

Intake Manifold

9.3.7

Camshaft Covers

9.3.8

Thermostat

9.3.9

Thermostat Housing

9.3.10

Coolant Inlet

9.3.11

Oil Filter Adapter

9.3.12

Dipstick Tube

9.3.13

Water Pump

9.3.14

Sensors, Switches, Valves, and Positioners

9.3.15

Ignition System

9.3.16

Fuel Injection System

9.3.17

Intake Air System

9.3.18

Engine Management System (Spark and Fuel
Control)

9.3.19

Accessory Drive Units

9.3.20

Exhaust Manifolds

9.3.21

Engine Flywheel and Guards

9.3.22

Lifting of Assembled Engines

9.3.23

Engine Mounts

9.3.24

Calibration

Stand/Engine Calibration

10.1

Procedure

10.1.1

Reporting of Reference Results

10.1.2

Analysis of Reference/Calibration Oils

10.1.3

Instrument Calibration

10.2

Engine Torque Measurement System

10.2.1

Fuel Flow Measurement System

10.2.2

Coolant Flow Measurement System

10.2.3

Thermocouple and Temperature Measurement
System

10.2.4

Humidity Measurement System

10.2.5

Other Instrumentation

10.2.6

Test Procedure

Preparation for Initial Start-up of New Engine

11.1

External Oil System

11.1.1

Flush Effectiveness Demonstration

11.1.2

Preparation for Oil Charge

11.1.3

Oil Charge for Coolant Flush

11.1.4

Engine Coolant Charge for Coolant Flush

11.1.5

Initial Engine Start-up

11.2

Coolant Flush

11.3

New Engine Break-In

11.4

Oil Charge for Break-In

11.4.2

Break-In Operating Conditions

11.4.3

Routine Test Operation

11.5

Start-Up and Shutdown Procedures

11.5.8

Flying Flush Oil Exchange Procedures

11.5.9

Test Operating Stages

11.5.10

Stabilization to Stage Conditions

11.5.11

Stabilized BSFC Measurement Cycle

11.5.12

Data Logging

11.5.13

BC Oil Flush Procedure for BC Oil Before Test
Oil

11.5.14

BSFC Measurement of BC Oil Before Test Oil

11.5.15

Test Oil Flush Procedure

11.5.16

Test Oil Aging

11.5.17

BSFC Measurement of Aged (Phase I) Test Oil

11.5.18

Aging Phase II

11.5.19

BSFC Measurement of Aged (Phase II) Test Oil

11.5.21

BC Oil Flush Procedure for BC Oil After Test Oil

11.5.22

BSFC Measurement for BC Oil After Test Oil

11.5.23

General Test Data Logging Forms

11.5.24

Diagnostic Review Procedures

11.5.25

Determination of Test Results

FEI1 and FEI2 Calculations

12.1

Final Test Report

Validity Statement

13.1

Report Format

13.2

Precision and Bias

Precision

14.1

Validity

14.2

Test Stand Calibration Status

14.2.1

Validity Interpretation of Deviant Operational
Conditions

14.2.2

Bias

14.3

Keywords

Annexes

Role of ASTM TMC

Detailed Specifications and Drawings of Apparatus

Oil Heater Cerrobase Refill Procedure

Engine Part Number Listing

Flying Flush Checklists

Safety Precautions

Report Format

Statistical Equations for Mean and Standard
Deviations

Oil Sump Full Level Determination Consumption
Measurement Calibration Procedure

Fuel Injector Evaluation

Pre-test Maintenance Checklist

Blow-by Ventilation System Requirements

VIBSJ Abbreviated Length Test Requirements

Appendix

Procurement of Test Materials

D6557-18e1

Standard Test Method for Evaluation of Rust Preventive Characteristics of Automotive Engine Oils (Includes all amendments and changes 11/21/2022).

D6750-23

Standard Test Methods for Evaluation of Engine Oils in a High-Speed, Single-Cylinder Diesel Engine—1K Procedure (0.4 % Fuel Sulfur) and 1N Procedure (0.04 % Fuel Sulfur)

E29-22

Standard Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications

E191-64(1999)e1

Standard Specification for Apparatus For Microdetermination of Carbon and Hydrogen in Organic and Organo-Metallic Compounds

J304

Engine Oil Tests

J1423

Classification of Energy-Conserving Engine Oil for Passenger Cars and Light-Duty Trucks

API?1509

Engine Oil Licensing and Certification System

ANSI?MC96.1-1975

Temperature Measurement - Thermocouples

D4294-21

Standard Test Method for Sulfur in Petroleum and Petroleum Products by Energy Dispersive X-ray Fluorescence Spectrometry

D4485-22e1

Standard Specification for Performance of Active API Service Category Engine Oils (Includes all amendments and changes 12/8/2022).

D86-23ae1

Standard Test Method for Distillation of Petroleum Products and Liquid Fuels at Atmospheric Pressure (Includes all amendments and changes 2/9/2024).

D235-22

Standard Specification for Mineral Spirits (Petroleum Spirits) (Hydrocarbon Dry Cleaning Solvent)

D240-19

Standard Test Method for Heat of Combustion of Liquid Hydrocarbon Fuels by Bomb Calorimeter

D287-22

Standard Test Method for API Gravity of Crude Petroleum and Petroleum Products (Hydrometer/Method)

D323-20a

Standard Test Method for Vapor Pressure of Petroleum Products (Reid Method) (Includes all amendments and changes 12/9/2020).

D381-22

Standard Test Method for Gum Content in Fuels by Jet Evaporation

D445-23

Standard Test Method for Kinematic Viscosity of Transparent and Opaque Liquids (and Calculation of Dynamic Viscosity)

D525-12a(2019)

Standard Test Method for Oxidation Stability of Gasoline (Induction Period Method) (Includes all amendments and changes 12/12/2019).

D1319-20a

Standard Test Method for Hydrocarbon Types in Liquid Petroleum Products by Fluorescent Indicator Adsorption (Includes all amendments and changes 9/14/2020).

D2699-23b

Standard Test Method for Research Octane Number of Spark-Ignition Engine Fuel (Includes all amendments and changes 1/17/2024).

D3231-24

Standard Test Method for Phosphorus in Gasoline

D3237-22

Standard Test Method for Lead in Gasoline by Atomic Absorption Spectroscopy

D3338-08

Standard Test Method for Estimation of Net Heat of Combustion of Aviation Fuels

D4175-23a

Standard Terminology Relating to Petroleum Products, Liquid Fuels, and Lubricants (Includes all amendments and changes 12/21/2023).