Development of a Modular Polyethylene Pipe Hull and GFRP Rudder System for an Autonomus Surface Vessel
Det akademiske fagfeltet rundt autonome overflatefartøy er snart klare til å produsere fartøy kapable til lange oppdrag langt til havs. Disse fartøyene kan fungere som data insamlere for en rekke forskjellige industrier. For å håndtere lange oppdrag til havs trenger fartøyene å være energi effektive...
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ftntnutrondheimi:oai:ntnuopen.ntnu.no:11250/2787221 2023-05-15T17:53:50+02:00 Development of a Modular Polyethylene Pipe Hull and GFRP Rudder System for an Autonomus Surface Vessel Brandal, Almar Vreim Echtermeyer, Andreas 2021 application/pdf https://hdl.handle.net/11250/2787221 eng eng NTNU no.ntnu:inspera:85657666:25547691 https://hdl.handle.net/11250/2787221 Master thesis 2021 ftntnutrondheimi 2021-10-06T22:35:53Z Det akademiske fagfeltet rundt autonome overflatefartøy er snart klare til å produsere fartøy kapable til lange oppdrag langt til havs. Disse fartøyene kan fungere som data insamlere for en rekke forskjellige industrier. For å håndtere lange oppdrag til havs trenger fartøyene å være energi effektive og sold bygd. I tillegg til dette må farkostene også være billig å produsere for å lykkes i stor skala. Autonome seilings fartøy har fått mye oppmerksomhet i nyere tid grunnet deres lave energibruk. Utviklings og produksjonsprosessen av et skrog og et ror system i et slik autonomt seilingsfartø blir presentert i denne rapporten. Dette prosjektet er en del av et større prosjekt der det autonome overflatefartøyet prototypen Oceanographic Research Craft Autonomous (ORCA) blir utviklet. Skroget ble designet som en modulær sylinder bestående av PE trykkrør. Skroget har fire seksjoner som er koblet sammen via en intern boltet flens kobling. Et full skala skrog ble produsert og testet. Flere lekkasjer ble funnet I rørkoblingene under en test for å sjekke vantetthet. Et kompositt ror ble designet og en fungerende prototype ble produsert. Roret ble laget gjennom en rekke forskjellige kompositt fabrikkerings metoder. Fokuset for valg av produksjonsmetode var å bruke metoder som egnet seg for prototyping. Roret ble sammenstilt og testet. Ror systemet fungerte under funksjons testen. Autonomus surface vessels (ASV)'s are expected to soon be ready to undergo long missions in remote locations in the ocean. These vessels can serve as valuable data acquisition centers for a number of different industries. Energy efficiency and durability are prerequisites for a long term mission of a \gls{asv} to be successful. The vessels must also be low cost to be commercially viable at a large scale. Great interest has therefore been dedicated to autonomous sailing vessels, as they require a very small amount of energy for propulsion. The development and production of the hull and rudder system of such a sailing vessels is documented in this master thesis, as part of the Oceanographic Research Craft Autonomous (ORCA) project. The hull was designed to be made of PE pressure pipes. The prototype hull consists of four separate compartments and can be connected to each other via a novel internal flange bolted connection. A full scale prototype was manufactured and tested. During the waterproof testing it became clear that several of the connections leaked, thus reveling the weakness of the design. A composite rudder was designed and a functional prototype was produced. The rudder was made using various composite manufacturing techniques, with focus on production efficiency for prototyping. The rudder has a skeg design and is driven by a linear actuator. The rudder was assembled and its basic functionality tested. The rudder system manufactured was functional during testing. Master Thesis Orca NTNU Open Archive (Norwegian University of Science and Technology) Bygd ENVELOPE(15.403,15.403,68.727,68.727) |
institution |
Open Polar |
collection |
NTNU Open Archive (Norwegian University of Science and Technology) |
op_collection_id |
ftntnutrondheimi |
language |
English |
description |
Det akademiske fagfeltet rundt autonome overflatefartøy er snart klare til å produsere fartøy kapable til lange oppdrag langt til havs. Disse fartøyene kan fungere som data insamlere for en rekke forskjellige industrier. For å håndtere lange oppdrag til havs trenger fartøyene å være energi effektive og sold bygd. I tillegg til dette må farkostene også være billig å produsere for å lykkes i stor skala. Autonome seilings fartøy har fått mye oppmerksomhet i nyere tid grunnet deres lave energibruk. Utviklings og produksjonsprosessen av et skrog og et ror system i et slik autonomt seilingsfartø blir presentert i denne rapporten. Dette prosjektet er en del av et større prosjekt der det autonome overflatefartøyet prototypen Oceanographic Research Craft Autonomous (ORCA) blir utviklet. Skroget ble designet som en modulær sylinder bestående av PE trykkrør. Skroget har fire seksjoner som er koblet sammen via en intern boltet flens kobling. Et full skala skrog ble produsert og testet. Flere lekkasjer ble funnet I rørkoblingene under en test for å sjekke vantetthet. Et kompositt ror ble designet og en fungerende prototype ble produsert. Roret ble laget gjennom en rekke forskjellige kompositt fabrikkerings metoder. Fokuset for valg av produksjonsmetode var å bruke metoder som egnet seg for prototyping. Roret ble sammenstilt og testet. Ror systemet fungerte under funksjons testen. Autonomus surface vessels (ASV)'s are expected to soon be ready to undergo long missions in remote locations in the ocean. These vessels can serve as valuable data acquisition centers for a number of different industries. Energy efficiency and durability are prerequisites for a long term mission of a \gls{asv} to be successful. The vessels must also be low cost to be commercially viable at a large scale. Great interest has therefore been dedicated to autonomous sailing vessels, as they require a very small amount of energy for propulsion. The development and production of the hull and rudder system of such a sailing vessels is documented in this master thesis, as part of the Oceanographic Research Craft Autonomous (ORCA) project. The hull was designed to be made of PE pressure pipes. The prototype hull consists of four separate compartments and can be connected to each other via a novel internal flange bolted connection. A full scale prototype was manufactured and tested. During the waterproof testing it became clear that several of the connections leaked, thus reveling the weakness of the design. A composite rudder was designed and a functional prototype was produced. The rudder was made using various composite manufacturing techniques, with focus on production efficiency for prototyping. The rudder has a skeg design and is driven by a linear actuator. The rudder was assembled and its basic functionality tested. The rudder system manufactured was functional during testing. |
author2 |
Echtermeyer, Andreas |
format |
Master Thesis |
author |
Brandal, Almar Vreim |
spellingShingle |
Brandal, Almar Vreim Development of a Modular Polyethylene Pipe Hull and GFRP Rudder System for an Autonomus Surface Vessel |
author_facet |
Brandal, Almar Vreim |
author_sort |
Brandal, Almar Vreim |
title |
Development of a Modular Polyethylene Pipe Hull and GFRP Rudder System for an Autonomus Surface Vessel |
title_short |
Development of a Modular Polyethylene Pipe Hull and GFRP Rudder System for an Autonomus Surface Vessel |
title_full |
Development of a Modular Polyethylene Pipe Hull and GFRP Rudder System for an Autonomus Surface Vessel |
title_fullStr |
Development of a Modular Polyethylene Pipe Hull and GFRP Rudder System for an Autonomus Surface Vessel |
title_full_unstemmed |
Development of a Modular Polyethylene Pipe Hull and GFRP Rudder System for an Autonomus Surface Vessel |
title_sort |
development of a modular polyethylene pipe hull and gfrp rudder system for an autonomus surface vessel |
publisher |
NTNU |
publishDate |
2021 |
url |
https://hdl.handle.net/11250/2787221 |
long_lat |
ENVELOPE(15.403,15.403,68.727,68.727) |
geographic |
Bygd |
geographic_facet |
Bygd |
genre |
Orca |
genre_facet |
Orca |
op_relation |
no.ntnu:inspera:85657666:25547691 https://hdl.handle.net/11250/2787221 |
_version_ |
1766161544492613632 |