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.
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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
00:10:07 Challenges of the current design approach
00:11:32 Challenges of model tests
00:12:15 Model tests: scaling issues of vessels with Energy Saving Devices
00:13:14 Challenges of full-scale tests
00:13:49 Challenges of ISO15016 standard
00:15:30 Can sea trials results done with accordance to ISO15016 be used for CFD validation?
00:16:03 Challenges of Computational Fluid Dynamics
00:17:41 JoRes project to close the knowledge gap
About the project
00:18:21 Project objectives
00:20:10 Project vessels
00:22: 55 How the project addresses model tests challenges?
00:23:54 How the project addresses sea trials challenges?
00:24:19 How the project addresses CFD challenges?
00:24:52 The key message of the project:
00:25:12 JoRes project partners
Scope of work
00:27:20 Task 1: a Literature review
00:28:18 Task 2:1 Sea trials at design draught on MV Regal
00:30:55 Question from the audience: what is the plan to clean the hull and measure the vessel draughts?
00:32:29 Task 2:2: PIV measurements on MV Regal
00:32:46 Task 2:3: Thrust measurements on MV Regal
00:33:26 Task 2:4: Sea trials on MV Yupeng
00:33:48 Task 2:5: Sea trials on the passenger vessel (N.B.: It is not the subject vessel picture!)
00:34:36 Task 3:1 and 3:2: Model tests for MV Regal
00:35:24 Task 3:3 and 3:4: Model tests for MV Yupeng
00:35:42 Task 3:5 and 3:6: Model tests for the passenger vessel
00:35:57 Task 4:1: JoRes CFD workshop 2020 (for project participants only)
00:38:12 Task 5: Engagement with external CFD workshop 2021: Membership’s difference:
00:40:07 Task 6: JIP website
00:41:29 Project deliverables at a glance:
00:42:05 Question from the audience: The original proposal mentioned that each of the models would be tested in two research facilities: It was not highlighted in your presentation: Why?
00:44:25 Question from the audience: What about model tests data for MV Regal from 2016 workshop?
00:45:17 If the 3rd vessel is added to the project, how will it affect the membership fee?
00:45:35 Question from the audience: What about the old model tests data? Will it also be available?
00:46:29 Project financial contributions
00:47:50 Project time schedule
00:49:00 Comment from the audience: According to the plan, the sea trials are scheduled from June to December: There may be not good sea state conditions in December!
00:50:32 Suggestion from the audience to perform the trials in the Black sea
00:52:50 Project time frame
00:53:16 Project organisation
00:53:58 Some points of the project agreement
00:55:42 Question from the audience: Is there a chance to change trims on MV Regal to validate trim optimisation studies done by CFD?
00:57:35 Question from the audience: Are you planning to have a video recording from a drone?
00:58:14 Question from the audience: what about wind direction and wind speed measurements?
00:59:17 Question from the audience: are you planning to make wake measurements in model scale as well?
01:00:40 Question from the audience: is there a chance to reuse the old models for model tests? It can save some money for the project.
01:01:53 Question from the audience: is there a plan to quantify the accuracy of results?
Presentation from MARIN about ship scale PIV measurements
01:03:37 Hello from MARIN
01:04:09 About MARIN
01:04:37 About Trials&Monitoring team
01:05:58 Trials – Model tests- CFD “Validation loop”
01:06:52 MARIN’s history in wake field measurements
01:09:14 PIV and next steps in wake field measurements
01:10:55 Lab tests and current development
01:13:22 Lab test 2
01:14:08 Sea water verification
01:19:00 Way forward
01:21:45 Question from the audience: What about uncertainties and correlations?
01:23:23 Question from the audience: Does MARIN develop this PIV setup only for the JoRes project?
01:24:59 Question from the audience: how many section planes are you planning to make?
01:25:43 Question from the audience: Did you have a chance to calibrate the setup against a well-known velocity field?
01:26:27 Question from the audience: What about the budget for the kit development? Does it come only from the project?
01:27:06 Question from the audience: This torpedo will be an added part to the hull: Shall it be also added in CFD?
Thrust measurement by VAF instruments
01:34:12 about VAF instruments
01:36:04 VAF instruments solutions
01:37:35 Propulsion efficiency steps
01:38:42 Thrust: separate propeller performance from hull performance
01:39:18 TT-Sense technology
01:40:39 TT-Sense thrust and torque sensors
01:41:31 TT-Sense torque sensor
01:41:37 Principle thrust measurements
01:42:41 Schematic thrust and torque measurements
01:45:30 Video of TT-Sense installation
01:46:43 Experimental setup
01:47:43 Accuracy of the test
01:48:28 Design specification
01:49:10 Case studies
01:50:16 Case study 1: 10,000TEU container ship
01:57:11 Case study 2: 10,000TEU retrofitted container ship
01:59:15 Case study 3: Cruise vessel
02:00:26 Case study 4: Cruise vessel with polished propeller
02:01:45 Case study 5: Cruise vessel with new hull coating
02:03:04 Case study 6: Long-term monitoring
02:05:22 Effect of trim on a large vessel with an FPP
02:08:00 Question from the audience: You will be installing your sensors on the shaft lines of two vessels: Are these shaft diameters within your normal sizes?
02:08:42 Question from the audience: how easy to use these sensors instead of strain gauges?
02:14:47 Question from the audience: how do you “zero” the signal?
02:16:42 Question from the audience: do you have to know the actual G modulus for the shaft?
02:18:00 Question from the audience: do you need to calibrate these sensors?
02:18:30 Question from the audience: if we are talking about percentage gain, there should be identical conditions: How to make sure the conditions are the same?
02:21:23 Question from the audience: What is the best way to estimate environmental conditions?
02:22:10 Question from the audience: How many voyages are enough for machine learning?
02:22:51 Question from the audience: Can/should you install the sensor closer to the propeller?
02:25:21 Question from the audience: Can you also measure the shaft vibration?
02:26:16 Question from the audience: correction for shaft bending and machine learning?
02:27:23 Question from the audience: can you measure the angular position of the shaft?
Back to the JoRes project
02:30:33 Universities to the project
02:32:37 Meetings alignment
02:35:05 Next meeting?
02:36:19 Question from the audience: Would it be an option for Skype meetings?
02:38:20 Question from the audience: Will the website and LinkedIn group be the main channel for regular updates?
02:39:13 Question from the audience: Will the 3D laser scan be used for all 3 vessels?
02:41:17 Question from the audience: Will the geometries for rudders and appendages be also available?
02:42:53 Question from the audience: Will the propeller geometry be also available?
02:43:11 Question from the audience: When the “scan” and “design” IGES files will be available?
02:44:32 Question from the audience: Is there a limit for CFD calculations submission?
02:46:43 Question from the audience: Is the consortium (or big clusters) going to provide computational resources?
02:47:50 Comment from the audience: It would be easier to get such computational resources within a European Union project.
02:50:17 Comment from the audience: Such a pity that small companies cannot join due to the high cost
02:53:33 Question from the audience: Will the hull roughness be measured in dry-dock?