You asked we answered!

We received an interesting question on how sensitive would be the developing PIV system to ship vibration usually present at the aft end?

We are happy to answer that this has been our main reason to move from LDV to PIV. The challenge with LDV was to get the two laser beams to intersect. That requires very high mechanical stability of the device when putting in a vibrating environment. A PIV system is inherently more stable, as there’s no need to intersect laser beams at meters distance.

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The National Research Council of Canada (NRC) is joining the JoRes project.

The Director General of the NRC’s Ocean, Coastal and River Engineering Research Centre, Dr David Murrin, says: “The NRC is the Government of Canada’s largest research organization supporting industrial innovation, the advancement of knowledge and technology development. With the growing environmental challenges, we share the global maritime industry’s views about the reduction of greenhouse gas emission. Ship energy-saving devices may be a promising solution, but careful and independent studies are required to develop industry benchmarks for these solutions. Moreover, ship-scale PIV measurements of propeller flow have great potential and may help to better understand the principles of these devices. We at the NRC believe that the JoRes project is an important initiative and we are happy to be supporting it.”

NRC_Towing_tankLaunch and recovery tests in harsh conditions at the NRC’s Towing Tank
St. John’s, Newfoundland and Labrador, Canada.

Video from the open kick-off meeting held on 11 March 2019 in Madrid, Span

Here is the full video.

Please note it is our first experience to record a meeting video. Something was (hopefully) good, something (for example, a poor video focus at the very beginning) was not. We believe we will do it better next time.

To save your time, please see the timecode links below:

00:00:35 Opening by Chairman of ITTC Specialist Committee for CFD and EFD Combined Methods

Presentation about the JoRes project


00:07:55 Key industry challenge

00:08:47 Urgency

00:09:38 Importance

Continue reading “Video from the open kick-off meeting held on 11 March 2019 in Madrid, Span”