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37 (0,121s) •

Project

Contribution to Analysis of Rotor Hub Drag Reduction (7H11075)

The drag of rotor hub is a major contributor to the overall drag of helicopter. it is therfore important to throughly investigate possible techniques to reduce the drug of this unit. The overall aim of the project is to undertake a ...

JU - Aeronautika, aerodynamika, letadla

  • 2011 - 2013
    • •
  • 1 859 tis. Kč
    • •
  • 503 tis. Kč
    • •
  • MŠMT
Project

Skin friction in two-dimensional laminar boundary layer (GA101/97/0607)

Reducing the aerodynamic drag of airfoils in aeronautics by choosing airfoil project intends to find airfoils with lower laminar drag, or as the case may be, with lower drag-to-lift ratio and that by using the XFOIL code co...

JU - Aeronautika, aerodynamika, letadla

  • 1997 - 1999
    • •
  • 2 239 tis. Kč
    • •
  • 1 239 tis. Kč
    • •
  • GA ČR
Project

Study of the effects of micellar additives on heat transfer and pressure losses (GA101/06/1478)

equipment and particular heat transfer devices when drag reducing liquid is used as heat regions of drag reduction will be taken into account. The future research will involve of additive drag reduction, and heat transfer ...

BK - Mechanika tekutin

  • 2006 - 2008
    • •
  • 2 578 tis. Kč
    • •
  • 2 578 tis. Kč
    • •
  • GA ČR
Project

Experimental and theoretical investigation of the Magnus force acting on the solid particle in fluid (IAA200600603)

) on dimensionless drag force, rotational drag force and Magnus force coefficient, respectively drag coefficients of particle and Magnus force coefficient.......

BK - Mechanika tekutin

  • 2006 - 2010
    • •
  • 2 737 tis. Kč
    • •
  • 2 737 tis. Kč
    • •
  • AV ČR
Project

Influence of Boundary Conditions on Fluid Flow of Drag Reducing Surfactant Additives (GA103/94/1186)

BK - Mechanika tekutin

  • 1994 - 1996
    • •
  • 999 tis. Kč
    • •
  • 1 594 tis. Kč
    • •
  • GA ČR
Project

Study of micellar additives influence on heat transfer with respect to application to heating systems (GA101/99/1431)

The phenomenon of drag reduction in the flow of heat carrying liquids is an important means of saving energy cost in many industrial branches particularly know drag reducers, the most effective and prospective additive for turbulenc...

BK - Mechanika tekutin

  • 1999 - 2001
    • •
  • 1 701 tis. Kč
    • •
  • 831 tis. Kč
    • •
  • GA ČR
Project

Flow properties and turbulent characteristics of micellar drag reducing additives for district heating systems (GA103/93/1050)

9P - 9

  • 1993 - 1994
    • •
  • 0 tis. Kč
    • •
  • 0 tis. Kč
    • •
  • GA ČR
Project

Interaction of micellar additives with turbulent flow (IAA2060204)

of effective drag reduction, on investigation of regeneration of micellar structure beyond pipesingularities and on investigation of drag reduction efficiency in industry made pipes......

BK - Mechanika tekutin

  • 2002 - 2004
    • •
  • 2 828 tis. Kč
    • •
  • 984 tis. Kč
    • •
  • AV ČR
Project

Micelle network structure of surfactants damping the turbulence (IAA2060804)

It was proved that the most suitable means of energy saving in district heating and cooling systems is the utilization of the drag reduction phenomenon. Large friction will be made.We shall study mainly the drag reduction in the tub...

BK - Mechanika tekutin

  • 1998 - 2000
    • •
  • 2 343 tis. Kč
    • •
  • 902 tis. Kč
    • •
  • AV ČR
Project

Pressure-drag flow of non-newtonian fluids in straight channels (IAA2060004)

The project aims at a derivation of relations characterizong shear flows of visco-elasto-plastic fluids in single and multiple-connected regions (e.g. in annuli). Imposed shear is of Couette and/or Poiseuille type representing both drag and ...

BK - Mechanika tekutin

  • 2000 - 2004
    • •
  • 4 132 tis. Kč
    • •
  • 1 420 tis. Kč
    • •
  • AV ČR
  • 1 - 10 out of 37