BS EN 299-2009 油压雾化喷嘴.角度和喷射特性的测定.pdf
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1、 W - - - - - - - - - - %- - 7- 7 - 7- 7- J- 0,700 solid II 0,700 to 0,749 semi-solid III 0,750 to 0,799 semi-hollow IV 0,800 hollow 4.2 Testing of the index angle 4.2.1 Test equipment See 4.1.1. EN 299:2009 (E) 6 4.2.2 Test procedure See 4.1.2. 4.2.3 Processing of test data See 4.1.3. 4.2.4 Computat
2、ion of index angle The index angle for this standard is quantitatively defined as the 80 % angle. This is the angle according to Equation (1) corresponding to the inner angle where 80 % of the liquid volume is collected. 12 1 VV VV Y (1) where Y is the index angle; V is 50 %, if the 50 % index angle
3、 is to be computed, 80 %, if the 80 % index angle is to be computed; V1 is the cumulative volume in percent collected in all patternator compartments up to and including the compartment such that V1 is as large as possible without exceeding the value of 80 %, if the 80 % angle is computed, or withou
4、t exceeding 50 %, if the 50 % angle is computed; V2 is the cumulative volume in percent collected in all patternator compartments up to and including the compartment such that V2 is as small as possible but still exceeds the value of 80 %, if the 80 % angle is computed, or still exceeds the value of
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- BS EN 299-2009 油压雾化喷嘴.角度和喷射特性的测定 299 2009 油压 雾化 喷嘴 角度 喷射 特性 测定
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