Marine Hydrodynamic Research Systems Division

Service & Product Range

Cavitation Tunnels & Towing Carriages

Towing Carriage  Model (Courtesy of QinetiQ Hasler)

Towing Carriages

The wide range of Towing Carriages available represent the best in the world today, having been developed from Kempf & Remmers proven designs. They are suitable for a range of hydrodynamic research functions, from current meter calibrating to large ship model testing at speeds of up to 20m/s. Towing Carriages are manufactured from modern high-grade materials offering rigidity and strength, but where necessary manufactured in suitable lightweight materials for high-speed applications. All carriages are designed such as to cope with steady state and dynamic model testing, whilst ensuring smooth running at constant speeds.  Our ranges of Towing Carriages often incorporate four quadrant systems for smooth acceleration and retardation. Software control maximises test duration in calm water and with links to wavemakers can maximum test duration in waves. Drive trains, electrical systems, control equipment and other important key components are selected such as to reduce overall maintenance costs and down time during routine maintenance. Towing Carriages are available in a wide range of sizes and shapes but can also be especially developed to meet our customers' precise hydrodynamic research requirements.

Examples of the range available :

Towing Carriages

Research

Item Gauge Speed
C136 1.8m 5m/s
C141 2.3m 5m/s
C150 3m 5m/s
C102 3.5m 10m/s
C143 4.4m 4m/s
C126 5m 6m/s
C140 7m 8m/s
C148 8.5m 20m/s
C127 9m 10m/s
C147 14.5m 7m/s

Educational

C210e 1.0m 2m/s
C215e 1.5m 2m/s
C220e 2.0m 4m/s

Towing Carriages can be supplied to meet virtually any range combination

 

Channels and Tunnels

Circulating Water Channels and Cavitation Tunnels have been developed utilising modern design techniques and technological innovation. Tunnels are manufactured from high grade materials to resist corrosion and fouling. The range of equipment available is diverse and designs are capable of customisation. Channels are design specifically to provide steady speed running while including facilities to adjust surface depth and uniform characteristics. Cavitation tunnels can incorporate interchangeable working sections, accurate pressure control, de-aeration filtration and capability for steady speed running. Each channel and tunnel produced will incorporate clients individual specification and requirements.

Cavitation Tunnel in use on the DERA Haslar site.
Cavitation Tunnel in use on the QinetiQ Haslar site.

Examples of the range available:

Circulating Water / Cavitation Tunnels
University Research
Item   Size Speed
K28 0.12m X 0.12m 13.5m/s
K14 0.23m X 0.23m 8m/s
K26 0.3m X 0.3m 16m/s
Commercial Research
Item   Size Speed
K40 0.4m X 0.4m 10m/s
K16A 0.75m Diameter 20m/s
K16B 0.85m X 0.85m 12m/s
K29-1 1m Diameter 22m/s
K29-2 2.6m X 1.5m 4.5m/s
Tunnels can be designed to meet
many different ranges - on application

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Revised :  Dec 2010