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ASTM D445-2006 透明和不透明液体运动粘度的标准试验方法(包括动态粘度的计算)
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【英文标准名称】: Standard Test Method for Kinematic Viscosity of Transparent and Opaque Liquids (and Calculation of Dynamic Viscosity)
【原文标准名称】: 透明和不透明液体运动粘度的标准试验方法(包括动态粘度的计算)
【标准号】: ASTM D445-2006
【标准状态】: 现行
【国别】:
【发布日期】: 2006
【实施或试行日期】:
【发布单位】: 美国材料与试验协会(US-ASTM)
【起草单位】: D02.07
【标准类型】: (Test Method)
【标准水平】: ()
【中文主题词】: 电气工程;电绝缘;绝缘液体;运动粘度;不透明的;试验;透明软片;粘度
【英文主题词】: dynamic viscosity; kinematic viscosity; viscometer; viscosity
【摘要】: Many petroleum products, and some non-petroleum materials, are used as lubricants, and the correct operation of the equipment depends upon the appropriate viscosity of the liquid being used. In addition, the viscosity of many petroleum fuels is important for the estimation of optimum storage, handling, and operational conditions. Thus, the accurate determination of viscosity is essential to many product specifications.1.1 This test method specifies a procedure for the determination of the kinematic viscosity, , of liquid petroleum products, both transparent and opaque, by measuring the time for a volume of liquid to flow under gravity through a calibrated glass capillary viscometer. The dynamic viscosity, , can be obtained by multiplying the kinematic viscosity, , by the density, , of the liquid. Note 1For the measurement of the kinematic viscosity and viscosity of bitumens, see also Test Methods D 2170 and D 2171.Note 2ISO 3104 corresponds to Test Method D 445.1.2 The result obtained from this test method is dependent upon the behavior of the sample and is intended for application to liquids for which primarily the shear stress and shear rates are proportional (Newtonian flow behavior). If, however, the viscosity varies significantly with the rate of shear, different results may be obtained from viscometers of different capillary diameters. The procedure and precision values for residual fuel oils, which under some conditions exhibit non-Newtonian behavior, have been included.1.3 The range of kinematic viscosities covered by this test method is from 0.2 to 300 000 mm2/s (see Table A1.1) at all temperatures (see and ). The precision has only been determined for those materials, kinematic viscosity ranges and temperatures as shown in the footnotes to the precision section.1.4 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.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.
【中国标准分类号】: G31
【国际标准分类号】: 17_060; 75_080
【页数】: 10P.;A4
【正文语种】:

关键字: ASTM D445

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