Essays about: "sailing"

Showing result 21 - 25 of 61 essays containing the word sailing.

  1. 21. Sunshade Demonstrator Spacecraft Earth Sphere of Influence Escape Using a Propellant-free AOCS

    University essay from KTH/Rymdteknik

    Author : Leonardo Ricci; [2021]
    Keywords : Solar sail; Solar radiation pressure; Attitude control; Escape trajectory; Centre of pressure; Disturbance Torques; Eclipse.; Solsegel; Solstrålningstryck; Attitydkontroll; Flyktbana; Tryckcentrum; Störningsmoment; Eclipse.;

    Abstract : This thesis provides insights to what is peculiar about a solar sail attitude and orbit control system and provides the assessment, in the form of a feasibility study, of the effectiveness of sail tip vanes as a control hardware to escape the Earth sphere of influence. The demonstrator aims to prove the technology for the Sunshade project, a constellation of solar sails located at the Lagrangian point L1 to obscure part of the solar radiation directed towards earth. READ MORE

  3. 22. Performance Prediction Program for Wind-Assisted Cargo Ships

    University essay from KTH/Skolan för teknikvetenskap (SCI)

    Author : Martina Reche Vilanova; [2020]
    Keywords : ;

    Abstract : Due to the accelerating need for decarbonization in the shipping sector, wind-assisted cargo shipsare able to play a key role in achieving the IMO 2050 targets on reducing the total annual GHGemissions from international shipping by at least 50%. The aim of this Master’s Thesis project is todevelop a Performance Prediction Program for wind-assisted cargo ships to contribute knowledgeon the performance of this technology. READ MORE

  4. 23. Putting a New Spin on Shipping

    University essay from Lunds universitet/Internationella miljöinstitutet

    Author : David Newman; [2020]
    Keywords : wind ship propulsion; Flettner rotor; human factors; technological innovation system; operational experience; Technology and Engineering; Social Sciences; Earth and Environmental Sciences;

    Abstract : This thesis concerns Flettner rotors, a wind propulsion technology for commercial shipping which has recently gained momentum due to its ability to reduce fuel consumption, and consequently CO2 emissions, in a polluting sector of industry. Flettner rotors are able to reduce average fuel consumption by up to 20% and can be operated on a wide variety of ship types and sizes through both retrofit and installations on new builds. READ MORE

  5. 24. Rig Performance Evaluation for Wind Powered Pure Car Carrier

    University essay from KTH/Marina system

    Author : Valérie Aurore Bouysses; [2020]
    Keywords : ;

    Abstract : Carrying around 80-90% of world volume of goods, the shipping industry has a considerable environmental impact. The International Maritime Organization (IMO) fixed a 50% greenhouse gases emission reduction target by 2050 with respect to 2008 levels. READ MORE

  6. 25. Designing a proof of concept of an ecological dry boat toilet for Swedish recreational sailing crafts

    University essay from KTH/Skolan för industriell teknik och management (ITM)

    Author : Malcolm Royen; [2020]
    Keywords : ;

    Abstract : This thesis was performed at Harvest Moon who develops methods to reuse the nutrients in human waste and has developed technology for these methods. The project aimed to explore how their technology could be implemented in a boat toilet for the Swedish recreational market. It resulted in a proof-of-concept boat toilet. READ MORE