<abstract xmlns="http://www.w3.org/1999/xhtml"><p> A large number of hydraulic devices and systems are started in low ambient temperatures. A good example of such a device is the hoisting winch on the ship. Starting hydraulic drive units in thermal shock conditions (rapid supply of hot oil to the cold unit) may lead to incorrect operation of the actuating system, for instance, due to the loss of clearance between cooperating elements. The article presents methods to prevent the disappearance of effective clearance in a hydraulic motor started in thermal shock conditions. For this reason, the structure of the hydraulic satellite motor was complemented by elements creating special channels through which hot oil could flow and additionally heat fixed parts of the motor. This solution ensures faster heating of motor housing, thus decreasing the temperature difference between the housing and the satellites during motor start-up in thermal shock conditions.</p></abstract>

A large number of hydraulic devices and systems are started in low ambient temperatures. A good example of such a device is the hoisting winch on the ship. Starting hydraulic drive units in thermal shock conditions (rapid supply of hot oil to the cold unit) may lead to incorrect operation of the actuating system, for instance, due to the loss of clearance between cooperating elements. The article presents methods to prevent the disappearance of effective clearance in a hydraulic motor started in thermal shock conditions. For this reason, the structure of the hydraulic satellite motor was complemented by elements creating special channels through which hot oil could flow and additionally heat fixed parts of the motor. This solution ensures faster heating of motor housing, thus decreasing the temperature difference between the housing and the satellites during motor start-up in thermal shock conditions.

Problems of the Starting and Operating of Hydraulic Components and Systems in Low Ambient Temperature (Part V)

Polish Maritime Research

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Methods Ensuring Correct Start-Up of Hydraulic Components of Ship’s Onboard Devices in Low Ambient Temperatures

A large number of hydraulic devices and systems are started in low ambient temperatures. A good example of such a device is the hoisting winch on the ship....

Problems of the Starting and Operating of Hydraulic Components and Systems in Low Ambient Temperature (Part V)

Published Online: Jan 13, 2018

Page range: 47 - 56

DOI: https://doi.org/10.1515/pomr-2017-0135

Keywords
hydraulic drive, hydraulic components, thermal shock, computer simulation

© 2018

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Problems of the Starting and Operating of Hydraulic Components and Systems in Low Ambient Temperature (Part V)

Published Online: Jan 13, 2018

Page range: 47 - 56

DOI: https://doi.org/10.1515/pomr-2017-0135

Keywordshydraulic drive, hydraulic components, thermal shock, computer simulation

© 2018

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Keywords
hydraulic drive, hydraulic components, thermal shock, computer simulation