Browsing NTNU Open by Author "Taskar, Bhushan"
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Analysis of Propulsion Performance of KVLCC2 in Waves
Taskar, Bhushan; Steen, Sverre (Chapter, 2015)In this paper, we have analyzed the propulsion performance of KVLCC2 in presence of waves. Different factors affecting the propulsion performance have been studied. Analysis of the extent of change in wake quality and its ... -
A comparison between fully-unsteady and quasi-steady approach for the prediction of the propeller performance in waves: Prediction of the propeller performance in waves
Saettone, Simone; Taskar, Bhushan; Regener, Pelle; Steen, Sverre; Andersen, Poul (Peer reviewed; Journal article, 2020)Maritime transport is the most energy-effective mode to move large amounts of goods around the world. Hauling cargo via waterway produces an enormous quantity of greenhouse gas emissions. Vessel fuel efficiency directly ... -
Dynamics of a Marine Propulsion System With a Diesel Engine and a Propeller Subject To Waves
Taskar, Bhushan; Yum, Koosup; Pedersen, Eilif; Steen, Sverre (Chapter; Peer reviewed, 2015)When travelling in waves, the efficiency of the propulsion system is in most cases reduced, due to a variety of different effects. Traditionally, the performance of propeller and engine is analyzed separately. However, ... -
Effect of waves on cavitation and pressure pulses
Taskar, Bhushan; Steen, Sverre; Bensow, Rickard E; Schröder, Björn (Journal article, 2016)In view of environmental concerns, there is increasing demand to optimize the ships for the actual operating condition rather than for calm water. Now, in order to apply this for propeller design, a first step would be to ... -
Effect of waves on cavitation and pressure pulses of a tanker with twin podded propulsion
Taskar, Bhushan; Steen, Sverre; Eriksson, Jonas (Journal article, 2017)There is increasing interest in optimizing ships for the actual operating condition rather than just for calm water. In order to optimize the propeller designs for operations in waves, it is essential to study how the ... -
Experimental measurements of propulsive factors in following and head waves
Saettone, Simone; Taskar, Bhushan; Steen, Sverre; Andersen, Poul (Peer reviewed; Journal article, 2021)The results from resistance measurements in calm water and load-varying self-propulsion tests in calm water and regular head and following waves are presented. The experimental campaign is conducted in the large towing ... -
The importance of the engine-propeller model accuracy on the performance prediction of a marine propulsion system in the presence of waves
seattone, simone; Tavakoli, Sadi; Taskar, Bhushan; Vincent Jensen, Michael; Pedersen, Eilif; Schramm, Jesper; Steen, Sverre; Andersen, Poul (Peer reviewed; Journal article, 2020)The shipping industry is the heart of international trading activities and the global economy. Maritime transport contributes to environmental pollution through the emission of greenhouse gases. New mandatory regulations ... -
Model Reduction through Machine Learning Tools Using Simulation Data with High Variance
Yum, Kevin Koosup; Pedersen, Eilif; Taskar, Bhushan (Journal article; Peer reviewed, 2019)Enhancing the computational speed through model reduction can facilitate the use of a complex system model for a design task. A part of the system model that is demanding in numerical calculation can be replaced by a ... -
Simulation of a two-stroke diesel engine for propulsion in waves
Yum, Koosup; Taskar, Bhushan; Pedersen, Eilif; Steen, Sverre (Journal article; Peer reviewed, 2016)Propulsion in waves is a complex physical process that involves interactions between a hull, a propeller, a shaft and a prime mover which is often a diesel engine. Among the relevant components, the diesel engine plays an ... -
Statistical modeling of Ship’s hydrodynamic performance indicator
Gupta, Prateek; Taskar, Bhushan; Steen, Sverre; Rasheed, Adil (Peer reviewed; Journal article, 2021)The traditional method used to estimate the hydrodynamic performance of a ship uses either the model test results or one of the many empirical methods to estimate and observe the trend in fouling friction coefficient () ... -
The effect of waves on engine-propeller dynamics and propulsion performance of ships
Taskar, Bhushan; Yum, Koosup; Steen, Sverre; Pedersen, Eilif (Journal article, 2016)This paper investigates the effect of waves on the propulsion system of a ship. In order to study the propulsion in different wave conditions, a procedure for wake estimation in waves has been implemented. A clear drop in ... -
The Effect of Waves on Marine Propellers and Propulsion
Taskar, Bhushan (Doctoral theses at NTNU;2017:106, Doctoral thesis, 2017)Ship design is evolving around ever-increasing market demands in quest of competitive and cost-effective solutions. The global increase of shipping activities has raised concerns regarding the environmental impact of sea ...