Wyniki wyszukiwania dla: PROPELLER SIMULATION MODEL

• PROPELLER INVESTIGATIONS BY MEANS OF NUMERICAL SIMULATION

  Publikacja

  • J. Felicjancik

  - Rok 2015

  The analyses of hydroacoustics are of high interest at the moment due to strong impact of hydroacoustic phenomena on marine environment; the noises, generated e.g. by marine traffic, may be harmful for sea life. The analyses presented here are focused on one of main sources of noises generated by ships, i.e. cavitating propeller. The goal of the work is the assessment of the cavitation phenomenon, carried out with the standard...

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• CFD and FEM model of an underwater vehicle propeller

  Publikacja

  • T. Chruściel
  • E. Ciba
  • J. Dopke

  - Polish Maritime Research - Rok 2014

  During the project execution of design and optimization the Remotely Operated Vehicle (ROV) research on its propulsion has been carried out. The entire project was supported by CFD and FEM calculations, which taking into account the characteristics of underwater vehicle. One of the tasks was to optimize the semi-open duct for horizontal propellers, which provided propulsion and controllability in horizontal plane. In order to...

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• Analysis of hull, propeller and engine interactions in regular waves by a combination of experiment and simulation

  Publikacja

  • M. H. Ghaemi
  • H. Zeraatgar

  - JOURNAL OF MARINE SCIENCE AND TECHNOLOGY - Rok 2020

  Analysis of hull, propeller and engine interactions in regular waves by a combination of experiment and simulation

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• APPLICATION OF VORTEX FLOW MODEL IN PROPELLER-STATOR SYSTEM DESIGN AND ANALYSIS

  Publikacja

  • P. Król
  • T. Bugalski

  - Polish Maritime Research - Rok 2018

  The paper covers basics of the vortex model used for propeller-stator systems. The outline of the design algorithm is given and the results of its application are shown. The designed propeller-stator system was the subject of model tests run at the CTO model basin and cavitation tunnel. Stator’s influence on the delivered power required by the propeller and its revolution rate has been examined by conducting self-propulsion...

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• SIMULATION MODEL OF ASON/GMPLS ARCHITECTURE

  Publikacja

  • S. Kaczmarek
  • M. Młynarczuk
  • P. Zieńko

  - Rok 2013

  Growing demands of information society concerned with sophisticated applications could be satisfied by ASON/GMPLS architecture comprehended as Automatically Switched Optical Network (ASON) with Generalized Multi-Protocol Label Switching (GMPLS). The ASON/GMPLS proposition represents the future direction of Next Generation Network (NGN) architecture. Therefore considerable work has to be done to examine this solution. In this aspect...

• EXPERIMENTAL AND NUMERICAL VALIDATION OF THE IMPROVED VORTEX METHOD APPLIED TO CP745 MARINE PROPELLER MODEL

  Publikacja

  • P. Król
  • K. Tesch

  - Polish Maritime Research - Rok 2018

  The article presents a numerical analysis of the CP745 marine propeller model by means of the improved vortex method and CFD simulations. Both numerical approaches are validated experimentally by comparing with open water characteristics of the propeller. The introduced modification of the vortex method couples the lifting surface approach for the propeller blades and the boundary element method for the hub. What is more, a...

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• Critical review of propeller performance scaling methods based on model experiments and numerical calculations

  Publikacja

  • T. Bugalski
  • J. Szantyr
  • H. Streckwall

  - Polish Maritime Research - Rok 2013

  The article presents the results of experimental and theoretical investigation of propeller scale effects. The objective of this investigation is to test the adequacy of the methods currently used and to develop possible improvement of the methods.New approaches to the problem and new procedures to account for the propeller scale effects are suggested. The description of the underlying experimental and theoretical research is included.

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• Simulation model for evaluation of QOS dynamic routing

  Publikacja

  • M. Czarkowski
  • S. Kaczmarek

  - Rok 2009

  Current informational networks use a large variety of technologies to support data exchange. Most of them are focused on IP protocol and include mechanisms which by definition should supply demanded QoS. One of those mechanisms is efficient path calculation - routing. Traffic offered to the network can change very rapidly in short term. Routing should support such traffic changes and all the time calculate valid paths in terms...

• Simulation model for resource-constrained construction project

  Publikacja

  • S. Biruk
  • Ł. Rzepecki

  - Open Engineering - Rok 2019

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• Verification of the Analytical Traffic Model of a Multidomain IMS/NGN Using the Simulation Model

  Publikacja

  • S. Kaczmarek
  • M. Sac

  - Advances in Intelligent Systems and Computing - Rok 2016

  In this paper we verify the previously proposed analytical traffic model of a multidomain Next Generation Network (NGN), which is standardized for delivering multimedia services based on the IP Multimedia Subsystem (IMS). For this reason a proper simulation model used, in which not theoretical queuing system models but the operation of real network elements and standardized call scenarios are accurately implemented. Consequently,...

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