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Basics
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tec-science
Home
Mechanics
Gases and liquids
Chemistry
Structure of matter
Atomic models
Chemical bonds
Material science
Structure of metals
Ductility of metals
Solidification of metals
Alloys
Steelmaking
Iron-carbon phase diagram
Heat treatment of steels
Material testing
Mechanical power transmission
Basics
Gear types
Belt drive
Planetary gear
Involute gear
Cycloidal gear
Thermodynamics
Temperature
Kinetic theory of gases
Heat
Thermodynamic processes in closed systems
Thermodynamic processes in open systems
Optics
Geometrical optics
Home
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Posts by tec-science
tec-science
552 POSTS
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http://www.tec-science.com
Belt drive
Why do crowned pulleys keep a flat belt on track?
tec-science
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11/28/2021
0
Thermodynamic processes in open systems
Flow process work as pressure-volume work of closed systems
tec-science
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08/05/2021
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Thermodynamic processes in open systems
First law of thermodynamics for open systems (derivation)
tec-science
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08/01/2021
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Thermodynamic processes in open systems
Shaft work in open systems
tec-science
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07/25/2021
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Thermodynamic processes in open systems
Flow process work in open systems
tec-science
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07/25/2021
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Thermodynamic processes in open systems
Flow work in open systems
tec-science
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07/21/2021
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Thermodynamic processes in closed systems
Reversibility of thermodynamic processes (entropy)
tec-science
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07/20/2021
0
Thermodynamic processes in closed systems
What is the Joule-Thomson effect?
tec-science
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07/19/2021
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Thermodynamic processes in closed systems
Free adiabatic expansion of an ideal gas in a vacuum
tec-science
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07/19/2021
0
Thermodynamic processes in closed systems
Dissipative thermodynamic processes in adiabatic systems
tec-science
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07/14/2021
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Thermodynamic processes in closed systems
Polytropic process in a closed system
tec-science
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07/11/2021
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Thermodynamic processes in closed systems
Derivation of the formulas for work and heat of a polytropic...
tec-science
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07/11/2021
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Thermodynamic processes in closed systems
Derivation of the formulas of the isentropic “adiabatic” process
tec-science
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07/05/2021
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Thermodynamic processes in closed systems
Isentropic (“adiabatic”) process in a closed system
tec-science
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07/05/2021
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Thermodynamic processes in closed systems
Isothermal process in a closed system
tec-science
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06/25/2021
0
Thermodynamic processes in closed systems
Isobaric process in a closed system
tec-science
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06/25/2021
0
Thermodynamic processes in closed systems
Isochoric process in a closed system
tec-science
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06/25/2021
0
Thermodynamic processes in closed systems
Explanation of liquefaction using the Van der Waals equation
tec-science
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06/08/2021
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Thermodynamic processes in closed systems
What is meant by dissipation of energy?
tec-science
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05/31/2021
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Thermodynamic processes in closed systems
Concept of pressure-volume work (displacement work)
tec-science
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05/19/2021
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Thermodynamic processes in closed systems
Dissipation of energy in closed systems
tec-science
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05/18/2021
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Thermodynamic processes in closed systems
Derivation of the pressure-volume work (displacement work)
tec-science
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05/18/2021
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Planetary gear
Transmission ratios of planetary gears (Willis equation)
tec-science
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03/10/2021
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Planetary gear
Willis equation for planetary gears
tec-science
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03/10/2021
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Belt drive
Advantages and Disadvantages of belt drives
tec-science
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03/07/2021
0
Belt drive
Belt tensioner systems for belt drives
tec-science
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03/07/2021
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Gear types
Hypoid gears (screw bevel gears)
tec-science
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03/05/2021
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Gear types
External and internal toothing of gears
tec-science
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03/05/2021
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Gear types
Herringbone gears and double helical gears
tec-science
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03/05/2021
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Gear types
Helical gears
tec-science
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03/05/2021
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Gear types
Screw gears (crossed helical gears)
tec-science
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03/05/2021
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Gear types
Spur gears (straight-cut gears)
tec-science
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03/05/2021
0
Gear types
Rack (toothed bar)
tec-science
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03/05/2021
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Basics
What types of transmissions (gearboxes) are there?
tec-science
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03/04/2021
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Basics
What is a transmission (gearbox) and what is it used for?
tec-science
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03/04/2021
0
Material testing
Rockwell hardness test
tec-science
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03/02/2021
0
Material testing
Vickers hardness test
tec-science
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03/02/2021
0
Material testing
Brinell hardness test
tec-science
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03/02/2021
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Heat treatment of steels
Stress relief annealing of steel
tec-science
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02/28/2021
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Heat treatment of steels
Solution annealing of steel
tec-science
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02/28/2021
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Heat treatment of steels
Diffusion annealing of steel
tec-science
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02/28/2021
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Heat treatment of steels
Recrystallization annealing of steel
tec-science
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02/28/2021
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Heat treatment of steels
Coarse-grain annealing of steel
tec-science
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02/28/2021
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Heat treatment of steels
Soft annealing of steel
tec-science
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02/28/2021
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Heat treatment of steels
Nitriding of steel (surface hardening)
tec-science
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02/26/2021
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Heat treatment of steels
Laser hardening of steel (surface hardening)
tec-science
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02/26/2021
0
Heat treatment of steels
Induction hardening of steel (surface hardening)
tec-science
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02/26/2021
0
Heat treatment of steels
Flame hardening of steel (surface hardening)
tec-science
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02/26/2021
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Gases and liquids
Archimedes’ principle of buoyancy (crown of Archimedes)
tec-science
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02/16/2021
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Heat
Cooling drinks with ice cubes (Derivation and calculation with formula)
tec-science
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02/15/2021
0
Gases and liquids
Why does water boil faster at high altitudes?
tec-science
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02/14/2021
0
Thermodynamic processes in closed systems
Why do pressure and temperature increase during the compression of a...
tec-science
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02/12/2021
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Heat
Difference between latent heat of vaporization and enthalpy of vaporization
tec-science
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02/10/2021
0
Heat
Vineyard Frost Protection (sprinkling with water)
tec-science
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02/10/2021
0
Heat
Why steam burns are more dangerous than water burns?
tec-science
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02/09/2021
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Heat
Why does water extinguish fire?
tec-science
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02/08/2021
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Heat
Specific latent heat of solidification (enthalpy of solidification)
tec-science
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02/08/2021
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Heat
Specific latent heat of fusion (enthalpy of fusion)
tec-science
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02/08/2021
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Heat
Specific latent heat of condensation
tec-science
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02/06/2021
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Heat
Specific latent heat of vaporization
tec-science
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02/06/2021
0
Thermodynamic processes in closed systems
Van der Waals equation (gas law for real gases)
tec-science
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01/31/2021
0
Heat
Why does the temperature remain constant during a change of state...
tec-science
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01/25/2021
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Heat
Final temperature of mixtures (Richmann’s law)
tec-science
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01/20/2021
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Heat
Heating and cooling of several objects
tec-science
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01/19/2021
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Heat
Heat capacity of objects
tec-science
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01/17/2021
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Heat
Calorimeter to determine the specific heat capacities of liquids
tec-science
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01/14/2021
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Heat
Specific heat capacity of gases (at constant volume or pressure)
tec-science
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12/17/2020
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Heat
Specific heat capacity of water
tec-science
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12/17/2020
0
Heat
Specific heat capacity of selected substances
tec-science
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12/14/2020
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Heat
Important remarks on the specific heat capacity
tec-science
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12/12/2020
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Heat
Specific heat capacity (derivation and definition)
tec-science
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12/11/2020
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Thermodynamic processes in closed systems
Internal energy of ideal gases
tec-science
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11/24/2020
0
Thermodynamic processes in closed systems
Calculation of the internal energy for ideal gases
tec-science
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11/24/2020
0
Thermodynamic processes in closed systems
Law of Gay-Lussac for ideal gases (Charles’s law)
tec-science
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11/10/2020
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Thermodynamic processes in closed systems
Law of Amontons for ideal gases
tec-science
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11/10/2020
0
Thermodynamic processes in closed systems
Law of Boyle-Mariotte for ideal gases
tec-science
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11/10/2020
0
Temperature
Why does ice form on the top of a lake?
tec-science
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11/07/2020
0
Heat
Gulf Stream & global ocean conveyor belt
tec-science
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11/01/2020
0
Heat
Difference between thermal conductivity, diffusivity, transmittance, resistance and heat transfer coefficient
tec-science
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10/31/2020
0
Heat
Why are radiators usually located under a window?
tec-science
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10/24/2020
0
Gases and liquids
Derivation of the Navier-Stokes equations
tec-science
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10/23/2020
0
Gases and liquids
Derivation of the Euler equation of motion (conservation of momentum)
tec-science
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10/08/2020
0
Gases and liquids
Derivation of the continuity equation (conservation of mass)
tec-science
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10/05/2020
0
Gases and liquids
Viscosity of an ideal gas
tec-science
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09/27/2020
0
Gases and liquids
How does a centrifugal pump work?
tec-science
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09/20/2020
0
Gases and liquids
Pressure head and head loss
tec-science
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07/17/2020
0
Gases and liquids
Moody chart (diagram)
tec-science
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07/04/2020
0
Gases and liquids
Pressure loss in pipe systems (Darcy friction factor)
tec-science
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07/01/2020
0
Gases and liquids
What ist the Magnus effect?
tec-science
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06/28/2020
0
Gases and liquids
Exercises with solutions based on the Bernoulli equation
tec-science
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06/20/2020
0
Gases and liquids
Venturi effect
tec-science
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06/14/2020
0
Gases and liquids
What is a Prandtl tube and how does it work?
tec-science
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06/14/2020
0
Gases and liquids
Examples and applications of the Venturi effect
tec-science
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06/14/2020
0
Gases and liquids
Drag coefficient (friction and pressure drag)
tec-science
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05/31/2020
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Gases and liquids
Flow around spherical bodies (Stokes’ law of friction)
tec-science
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05/24/2020
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Gases and liquids
Flow separation (boundary layer separation)
tec-science
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05/24/2020
0
Gases and liquids
Dimensionless numbers of the boundary layers (Prandtl, Schmidt and Lewis number)
tec-science
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05/15/2020
0
Gases and liquids
Thermal and concentration boundary layer
tec-science
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05/15/2020
0
Gases and liquids
Parasitic drag (skin friction drag & form/pressure drag)
tec-science
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05/13/2020
0
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