Essays about: "Propeller shaft"

Showing result 1 - 5 of 8 essays containing the words Propeller shaft.

1. 1. Undocumented oil leakages : A study about stern tube seals and leakages

   University essay from Linnéuniversitetet/Sjöfartshögskolan (SJÖ)

   Author : Johan Lundberg; [2021]
   Keywords : Oil lubricated stern tube; Water lubricated stern tube; Oil; Oil leakage; Oil spill; stern tube seal; vessel; Oljesmord propellerhylsa; Vattensmord propellerhylsa; Olja; oljeutsläpp; Oljeläckage; propellerhylstätning; Fartyg;

   Abstract : The majority of the vessels in the commercial fleet utilize oil lubricated stern tubes. Unfortunately, this brings about a risk of oil leaking from the stern tube into the marine environment if the stern tube seal would become worn or damaged by foreign materials. Previous studies concluded that, on average, 2. READ MORE

3. 2. Large Efficient Maritime Propeller without Hull Pressure Excitations

   University essay from KTH/Marina system

   Author : Olli Sarainmaa; [2018]
   Keywords : CFD; propulsion; concept; boosting;

   Abstract : This thesis studies competence of simplified simulation methods for boosting simulation.  The most efficient propulsion unit has higher amount of power compared to less efficient propulsion units in boosting. Boosting is relevant subject to study due to new concept. READ MORE

4. 3. Information filter based sensor fusion for estimation of vehicle velocity

   University essay from KTH/Maskinkonstruktion (Inst.)

   Author : Michael Refors; [2016]
   Keywords : ;

   Abstract : In this thesis, the possibility to estimate the velocity of a Heavy-duty vehicle (HDV) based on the Global Positioning System (GPS), an Inertial Measurement Unit (IMU) and the propeller shaft tachometer is investigated. The thesis was performed at Scania CV AB. READ MORE

5. 4. Ice Class Strengthening of Existing Reefer Vessels Trading in the Baltic Sea : - A comparative study of ice classifications 1D and 1C

   University essay from KTH/Skolan för teknikvetenskap (SCI)

   Author : Dennis Bremberg; Sarah Högdahl; [2016]
   Keywords : ;

   Abstract : This bachelor thesis strives to perspicuously answer what an ice strengthening of two different existing reefer vessels might mean for operations in the Baltic Sea and illustrate what factors a shipping company needs to consider when initiating such a project. The main purpose is to provide an information basis facilitating the communication between different parties in the shipping industry. READ MORE

6. 5. Modeling and Control of a Parallel HEV Powertrain with Focus on the Clutch

   University essay from Linköpings universitet/Fordonssystem; Linköpings universitet/Tekniska fakulteten

   Author : Mahdi Morsali; [2015]
   Keywords : parallel hybrid electric vehicles; clutch modeling; driveline modeling; torsional vibrations; slipping clutch; energy management; optimization;

   Abstract : Nowadays, the increasing amount of greenhouse gases and diminishing of the existing petroleum minerals for future generations, has led the automotive companies to think of producing vehicles with less emissions and fuel consumption. For this purpose, Hybrid Electric Vehicles (HEVs) have emerged in the recent decades. READ MORE