Катедра Топлотехника

доц. д-р инж. Анастас Тодоров Янгьозов ръководител направление "Механика на флуидите"  Този е-мейл адрес е защитен от спам ботове, трябва ДжаваСкрипт поддръжка за да го видите

Dr. Anastas Yangyozov

• Роден 1979 в гр.Бургас

• Бургаски корабостроителници. Инженер в ОТК-2004

• Stamco Ship Management Co Ltd, Piraeus, Greece. Корабен механик-2005

• TU-Wien, Österreich, Institut für Thermodynamik und Energiewandlung. Гост изследовател-2008

• TU-Wien, Österreich, Institut für Energietechnik und Thermodynamik. Гост изследовател -2009-2010

• Защита на дисертационен труд на тема: Влияние на геометричната форма на дюзов апарат върху ефективността на преобразуване на енегията в паротурбинно стъпало''-2010

Публикации:

• Yangyozov A. CFD modeling of impulse turbine stage with 3D nozzles and various seals modifications. Institut für Energietechnik und Thermodynamik, Projekte, TU-Wien, 2010

• Yangyozov A., N. Lazarovski. Influence of nozzle three dimensional shape on steam turbine stage efficiency. Conference ''ANSYS Solutions for turbomachinery manufacturing industry'', Saint Petersburg, Russia, 03 June 2009

• Янгьозов А., Н. Лазаровски. Влияние геометрической формы соплового аппарата на ефективность трансформации энергии в ступенях паровых турбин. ''Решения ANSYS для турбомашиностроения'', ANSYS Advantage. Русская редакция, vol.11, 2009

• Willinger R., A. Yangyozov. Calculation of flow characteristics in heat turbomachinery turbine stage with different three dimensional shape of the stator blade with ANSYS CFX software. Institut für Thermodynamik und Energiewandlung, Projektе an den zentralen Applikationsservern, Zentralen Informatikdienst der TU-Wien, 2008

• Yangyozov А. Computational fluid dynamics modeling and analysis of real three dimensional compressible turbulent flow in steam turbine stage, Machine Mechanics XVII, book 4, vol. 83, Apply Fluid Mechanics Heat and Mass Transfer, 2009

• Yangyozov A., N. Lazarovski, R. Yosifov. Three Dimensional Parameters Distribution in Steam Turbine Blade Row. Part I. Problem Description and Implementation; Part II. Results, Comparison and Conclusions. Machine Mechanics XVI, book 5, vol. 77, Apply Fluid Mechanics Heat and Mass Transfer, 2008

• Lazarovski N., R. Yosifov, A. Yangyozov. Posibilities for Increasing of the Aerodynamical Efficiency of Steam Turbine Units. Machine Mechanics XV, book 4, vol. 70, Apply Fluid Mechanics Heat and Mass Transfer, 2007

• Yosifov R., N. Lazarovski, A. Yangyozov. Some Aspects in Creation of 2D-Finite Element Flow Modelling for Heat Turbomachinery. Machine Mechanics XV, book 1, vol. 67, Apply Fluid Mechanics Heat and Mass Transfer, 2007

Изследователска и работна области:

-Computational fluid dynamics

-CFD modeling of hydraulic and heat turbomachinery

-CFD modeling of interactions between rudder and propeller

-Optimization techniques Genetic/Evolutionary algorithms

-Turbomachinery stress analysis, component heat stress

-Engineering constructions modeling and scientific research with software: ANSYS-BladeModeler, TurboGrid, CFX, ICEM CFD, Fluid Structure Interactions

-Heat exchange intensification in power plants

-Means for ship hull resistance decreasing

-Waterjet propulsion and high speed vessels-catamaran and pentamaran

-Ship power plants with steam turbine and/or gas turbine as main engine

-Fluid mechanics

-Fluids under the influence of magnetohydrodynamic force and application of MHD phenomena into ship equipment

-Numerical methods-finite volume method, finite element method

-Inventions and new technologies

-Seal NAVY history

-Bionics, Synergetics

Лекционни курсове:

• Помпи, компресори и вентилатори

• Хидро- и пневмозадвижвания

• Комбинирани уредби за производство на топлина и ел.енерия

• Парни и газови турбини

• Хидравлиюни машини

Проекти:

• CFD modeling of ship hydraulic machinery:

-Side channel pump, MSc Thesis-university project

-Ejector pump, MSc Thesis-university project

-Centrifugal pump with and without cavitation. Fluid structure interactions, MSc Thesis-university project

-Flow around Azipod at different angular positions of the pod-university project;

• Ship hull resistance decreasing with blowing small bubbles through keel and/or Port/Starboard side. CFD calculation for finding optimal blowing pressure, optimal size of the bubbles. Optimization problem solving using ANSYS CFX-university project.

• CFD modeling of ship propellers:

-Automatic generation of 3D ship propeller geometry using ANSYS BladeModeler and parametrization into DesignModeler. Solving of optimization problems with ANSYS CFX;

-Controllable pitch propeller. Charts calculated with the aim of ANSYS;

-Damaged ship propeller. Thrust, torque and stress analysis. Cavitation

-Overlapping or counter-rotating ship propellers. Finding optimal diameters-university project;

-Tandem propellers. Efficiency calculation at variant with the same diameters and variant with different sizes. Finding optimal diameter difference-university project.

• CFD modeling of ship auxiliary machinery:

-Compressors, MSc Thesis-university project

-Counter-rotating fan, MSc Thesis-university project

-Centrifugal separator. Numerical simulation of solid particle trajectory into disk to disc space, MSc Thesis-university project

• New concept for LNG carrier power propulsion system: Ship power plant with Ljungström steam turbine;

• Numerical modeling of flow into wind turbine disk. Renewable energy at TU-Varna-university project

• Engine/Separator room exhaust air system. CFD modeling and noise evaluation into ship power plant-industry project 2010;

• 3D Blade Design-CFN, CLN, Sabersickle nozzles. Common connections between them-industry project;

• Research of the possibilities for repair and manufacturing of heavy heat loaded gas turbine parts in THM 1304 units-MAN-industry project with contract No.3774/2006

• Ship deck equipment WINDLASS-university project 2010;

• Aerodynamical investigations in turbine stages with three dimensional shapes of the blade rows-university project-university project No.6/2008;

• Aerodynamic efficiency analysis of heat turbomachinery components-university project No.3/2007;

• Investigations of the processes in marine cooling units. Improvement of experimental cooling unit for air condition system-university project No.23/2008;

• Stress analysis of reactors BABCOCK R2101A/B/C/D components with catalyst reconstructions subjected to combined thermal and mechanical loading-Agropolychim JSC-industry project with contract-No.272/2011;

• Flow into radial gas turbine TKP-11. Efficiency increasing of the unit. CFD modeling of main components heat distribution in ship turbocharger. Unsteady flow and load changes. Part load operation-university project 2011.

Международни проекти:

• Project name: Analysis of heat turbine aerodynamic efficiency. Flow in axial turbines with three-dimensional blade shapes. Project, financed by the Austrian Federal Ministry of Science and Research. Institut für Thermodynamik und Energiewandlung, TU-Wien, 2008

• Project name: CFD modeling of impulse turbine stage with different seals modifications. Project, financed by the Austrian Federal Ministry of Science and Research. Institut für Energietechnik und Thermodynamik, TU-Wien, 2009.

Стипендия:

Authority awarding grant ERNST MACH-Scholarship Foundation of the Republic of Austria