Experimental evaluation of an electro-Hydrostatic actuator for subsea applications in a hyperbaric chamber

Autor: Duarte da Silva, João Pedro, Neto, Amadeu Plácido, De Negri, Victor Juliano, Orth, Alexandre
Jazyk: angličtina
Rok vydání: 2020
Předmět:
Druh dokumentu: Text<br />Conference Material
DOI: 10.25368/2020.6
Popis: A novel Electro-Hydrostatic Actuator (EHA) prototype – designed to operate on subsea gate valves in deep and ultra-deep water – is analysed and qualified in terms of functionality under design and normative constraints. The prototype is assembled in a test bench for load control in a hyperbaric chamber where the high subsea environmental pressure can be emulated. The process variables under evaluation are monitored through a set of pressure and position sensors, which are part of the prototype design. The experimental results demonstrate a robust behaviour of the actuator concerning the imposed external pressure and load forces even with a forced limitation in its power input. Moreover, the prototype performs consistently throughout the entire endurance trial, asserting high reliability. With the results obtained, the subsea EHA concept is effectually eligible to a technology readiness level 4, according to the API 17N.
Databáze: Networked Digital Library of Theses & Dissertations