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Tow Tank Seeders

Home > Products > Seeding Generators > Tow Tank Seeders

SCITEK Tow Tank Seeder

SCITEK has been specialising in seeding systems for over 25 years. We offer a number of seeders of varying sizes and across a range of applications, including for use with air flows, in small flow rigs, in combustion rigs, as well as in large wind tunnel facilities.

Recently, we also produced seeding systems that can be used in tow tanks to mix in the water small particles in the path of the vessel to facilitate good quality optical measurements. As all tow tank facilities are different, our device can be customised so that it can be adapted to suit each facility.

Quick Specs

Glass sphere diameter:
approx. 10-microns

Maximum tow speed:
1.2m/s

Tank capacity:
1000 litres

 

Rake assembly
The rake assembly can also be custom made to suit customer requirements. The retractable boom can immerse the rake up to a depth of 2.5meters.

Frame mounting assembly
This assembly is normally custom made by SCITEK to suit installation on the customer’s carriage.

Installation
It is recommended that installation of the Tow Tank Seeder System and associated equipment is carried out by SCITEK. However, where this is not possible, it can be shipped with appropriate installation instructions.

Spec Sheet

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Main Features

The intended use of the Tow Tank Seeder System is to deposit hollow glass spheres, approx. 10-micron diameter into a water test tank. It is designed to be mounted at a suitable location on the carriage so that it can seed a small area around the vessel and thus minimise contamination of the tank, thus also minimising the quantity of particles used. The carriage then traverses over the length of the tank with the seeder immersed at the required depth.

Once the seeding has been deposited, the seeder is retraced from the water and the carriage commences the measurement run. Flow measurements are not carried out during the seeding phase but shortly afterwards as the seeder will produce undesirable flow disturbance in the water which will adversely affect the flow measurements. The particles are nearly neutrally buoyant and they remain in the water for a generous amount of time to carry out several flow measurement passes

Design

By design the seeder is retractable so that it can be permanently installed on the carriage. It can also be easily removed when not in use. Deployment and retraction is easily facilitated by an electrically operated winch.

The basic components of the SCITEK Tow Tank seeder are shown in the schematic diagram shown above. It comprises of the rake which is essentially five rows of metal tubes with multiple holes drilled into the wall of each tube which are used to discharge water that is premixed with hollow glass spheres. The rake is designed to spread the seeding evenly in the area of interest.

Discuss your requirements

SCITEK appreciate that each tow tank facility is different and may have specific requirements which we are happy to discuss with you. The operation of the seeder can be customised and automated to suit the operation of your facility. Get in touch to discuss your requirements.

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Tel: +44 (0)1332 365652  |  Email: enquiries@scitekconsultants.co.uk

Scitek Consultants Ltd, 152 Victory Road, Derby, DE24 8EN

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