In flight mechanics, “power required minimum” refers to the minimum amount of power needed by an aircraft to maintain a steady level flight at a specific airspeed and altitude. It is an essential concept in aircraft performance analysis and plays a significant role in determining an aircraft’s operational capabilities. The “power required” is the total […]
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The Mach number (Ma) in terms of the velocity of the upper plate (ue) and the local speed of sound in the fluid (c or sometimes denoted as a). It applies to compressible flow situations where the density of the fluid changes significantly due to variations in pressure and temperature. Me: Mach number (dimensionless). ue:
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Equivalent Shaft Horsepower (ESHP) is a term used in flight mechanics to quantify the power output or power required of a propeller-driven aircraft engine. It represents the combination of the engine’s shaft horsepower (SHP) and the power required to drive the propeller. This concept is particularly relevant for aircraft with a propeller, as it considers
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The Reynolds number for Couette flow is a dimensionless quantity used in fluid mechanics to characterize the flow regime in a specific type of flow known as Couette flow. Couette flow is a type of laminar flow that occurs between two parallel plates when one plate is moving and the other is stationary. Re: Reynolds
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Flight mechanics refers to the process of defining the steps or actions that are performed by an aircraft during a flight simulation or test Cs = v / (ρ / ρn^2)^(1/5) where: Cs = Speed of sound v = Velocity of the aircraft ρ = Density of the air at the given altitude ρn =
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Shear stress (τ) is a fundamental concept in mechanics and fluid dynamics that quantifies the force per unit area acting parallel to the surface of a material or fluid element. It describes the internal resistance of a material to deform when subjected to tangential or shearing forces. τ: Shear stress in the fluid in N/m²
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n flight mechanics, “flight using thrust horsepower” refers to the process of analyzing and evaluating the performance of an aircraft based on the thrust generated by its engines, measured in horsepower. Thrust horsepower (THP) is the power output of the aircraft’s engines or propulsion system specifically in terms of the thrust produced. THP = (0.5
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In flight mechanics, “power input” refers to the total power supplied to the aircraft’s propulsion system. It represents the energy consumed by the engines or any other propulsion devices to produce thrust and propel the aircraft through the air. Power input is a crucial parameter in assessing an aircraft’s performance, as it directly affects its
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In flight mechanics, “power output” refers to the total power generated by an aircraft’s propulsion system and delivered to the surrounding air to produce thrust. It represents the energy expended by the engines or propulsion devices to overcome drag and move the aircraft through the air. M means=Rate of mass flow through the disc (m)
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Total enthalpy, denoted as h0, is a thermodynamic property used to describe the total energy content of a fluid stream, which includes both the internal energy and the flow energy. Enthalpy is a fundamental concept in thermodynamics, especially in the study of fluid dynamics and heat transfer. h is the specific enthalpy of the fluid
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