Noack波动率测试的新方法

Tribotest Pub Date : 1994-09-01 DOI:10.1002/TT.3020010102
T. Selby, E. Reichenbach, R. H. Hall
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引用次数: 5

摘要

本文报道了对Noack挥发性试验进行重大修改的方法和初步结果。这种改进允许收集和检查挥发性产品以及残留物。通过色谱和光谱学对这些挥发物的分析揭示了令人惊讶的信息,这些信息在面对日益困难的汽车和重型发动机排放限制时尤其相关。数据还显示与CEC L-40-T-87所涵盖的Noack挥发性测试的统一测试方法非常一致。对操作者来说重要的是,作者改进的Noack仪器避免了早期Noack仪器中有毒的木材金属的使用。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
A new approach to the Noack volatility test
This paper reports on the method and preliminary results of a significant modification of the Noack volatility test. This modification permits collection and examination of the volatile products as well as of the residue. The analysis of such volatiles by chromatography and spectroscopy revealed surprising information that is especially relevant in the face of increasingly difficult automotive and heavy duty engine emission limitations. The data also showed very close agreement with the Unified Test Method for the Noack Volatility Test now covered by CEC L-40-T-87. Important to operators, the authors' modified Noack apparatus avoids the use of the toxic Wood's Metal of the earlier Noack apparatus.
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