Shaft Torque Measurement

VAF vääntövoiman mittaus - torque measurement
VAF T sense vääntömomentin mittaus

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Other names: torque measurement, thrust measurement, shaft power measurement, torque measurement

What is Shaft Torque Measurement?

The torque measurement system provides the user with information about the torque and compressive forces acting on the shaft. Based on the measurement results, it is possible to analyze how much power is produced and whether it is transferred entirely to the shaft. The effects of the changes made can be read immediately from the meter. This gives the systems great potential for savings.

Typical applications for torque and compression measurements include ship propeller shafts, where the pitch angles have a significant impact on the forces transmitted to the shaft. By optimizing the pitch angles according to sailing conditions and cargo, fuel savings of up to 5% have been achieved. By measuring thrust, it is also possible to monitor the degree of hull fouling and, from a maintenance perspective, plan hull cleaning at an appropriate time in advance.

Selection of Torque Measurement Devices

The technology used in the VAF TT-Sense measurement system has been awarded the Marine Propulsion Fuel Efficiency Award.

In addition to concrete energy savings, the advantage of torque measurement is its easy installation, which can be carried out as part of the ship’s own maintenance work without specialized expertise. The measurement system can be combined with fuel consumption calculation: up to 12 flow meters equipped with temperature measurements can be connected to the system.

We assist in selecting measurement devices according to the requirements of the application. Ask our contacts for more information.

Download Brochures

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VAF WP 2101 GB 0317 Measuring the Full Scale Performance of a propeller and bulbous bow retrofit via propeller thrust measurements

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VAF WP 2102 GB 0318 Experience with Full Scale Thrust measurements in dynamic trim optimisation

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VAF TT-Sense 663 GB 0119 Product Bulletin

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VAF T-Sense 660 Product Bulletin

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VAF 2103 White Paper GB 1018 The propeller as a speed log

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VAF 2100 White Paper GB 0416 Fuel Saving Potentials via measuring propeller thrust and hull resistance at full scale

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VAF 660 T-Sense Optical Torque Measurement Systems

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