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ASTM D2700 method for motor octane number of spark-ignition engine fuel
ASTM D2700 method for motor octane number of spark-ignition engine fuel17. Report17.1 Motor O.N. of Spark-Ignition Engine Fuels:17.1.1 Report the calculated bracketing procedure or the C.R. procedure result as Motor O.N.17.1.1.1 For ratings below 72.0 O.N., report the value to the nearest integer. When ...
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ASTM D2700 method for motor octane number of spark-ignition engine fuel
ASTM D2700 method for motor octane number of spark-ignition engine fuel16. Calculation of O.N. - Bracketing Procedures16.1 Calculate the average knockmeter readings for the sample fuel and each of the PRF blends.16.2 Calculate the O.N. by interpolation of these average knockmeter readings proportioned ...
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ASTM D2700 method for motor octane number of spark-ignition engine fuel
ASTM D2700 method for motor octane number of spark-ignition engine fuelPROCEDURE C15. Compression Ratio15.1 Cylinder Height Measurement - This procedure shall be used only if the CFR engine is equipped with a digital counter for measurement of cylinder height in order to maximize the resolution of the ...
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ASTM D2700 method for motor octane number of spark-ignition engine fuel
ASTM D2700 method for motor octane number of spark-ignition engine fuelPROCEDURE B14. Bracketing - Dynamic Fuel Level:14.1 Applicable O.N. Rating Range - This procedure shall only apply for ratings within the range from 80 to 100 O.N.14.2 Check that all engine operating conditions are in compliance and ...
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ASTM D2700 method for motor octane number of spark-ignition engine fuel
ASTM D2700 method for motor octane number of spark-ignition engine fuelPROCEDURE A13. Bracketing - Equilibrium Fuel Level13.1 Check that all engine operating conditions are in compliance and equilibrated with the engine running on a typical fuel at approximately standard K.I.13.2 Perform engine fit-for-use ...
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ASTM D2700 method for motor octane number of spark-ignition engine fuel
ASTM D2700 method for motor octane number of spark-ignition engine fuel12. Test Variable Characteristics12.1 Cylinder Height Relationship to Octane Number - Cylinder height, an indication of C.R., has a significant effect on fuels and their knocking characteristics. Every fuel has a critical C.R. at ...
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ASTM D2700 method for motor octane number of spark-ignition engine fuel
ASTM D2700 method for motor octane number of spark-ignition engine fuel11. Engine Standardization11.1 Unit Compliance - Operate the properly commissioned knock test unit at temperature equilibrium and in compliance with the basic engine and instrument settings and standard operating conditions prescribed ...
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ASTM D2700 method for motor octane number of spark-ignition engine fuel
ASTM D2700 method for motor octane number of spark-ignition engine fuel10. Basic Engine and Instrument Settings and Standard Operating Conditions10.1 Installation of Engine Equipment and Instrumentation - Installation of the engine and instrumentation requires placement of the engine on a suitable foundation ...
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ASTM D2700 method for motor octane number of spark-ignition engine fuel
ASTM D2700 method for motor octane number of spark-ignition engine fuel7. Apparatus7.1 Engine Equipment - This test method uses a single cylinder, CFR engine that consists of standard components as follows: crankcase, a cylinder/clamping sleeve assembly to provide continuously variable C.R. adjustable ...
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ASTM D2700 method for motor octane number of spark-ignition engine fuel
ASTM D2700 method for motor octane number of spark-ignition engine fuel4. Summary of Test Method4.1 The Motor O.N. of a spark-ignition engine fuel is determined using a standard test engine and operating conditions to compare its knock characteristic with those of PRF blends of known O.N. Compression ...
