When it comes to hydraulic equipment, noise apparently does matter—enough so that many design engineers would be willing to pay extra to reduce sound levels. In a recent Design News survey, 74% of the respondents say that they are willing to shell out dough to delete decibels their hydraulic applications. Most important? Those environments that involve people working around hydraulics for a significant amount of time. OSHA's workplace requirement is 70 dBA.
A bold, gold, open-air coupe may not be the ticket to automotive nirvana for every consumer, but Lexus’ LF-C2 concept car certainly turned heads at the recent Los Angeles Auto Show. What’s more, it may provide a glimpse of the luxury automaker’s future.
The complexity of diesel engines means optimizing their performance requires a large amount of experimentation. Computational fluid dynamics (CFD) is a very useful and intuitive tool in this, and cold flow analysis using CFD is an ideal approach to study the flow characteristics without going into the details of chemical reactions occurring during the combustion.
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