The temperature downstream of a shock wave refers to the temperature of a fluid after it has passed through the shock wave. A shock wave is a rapid and abrupt change in the thermodynamic properties of a fluid, including pressure, temperature, and density, that occurs when the fluid travels at a speed greater than the […]
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The downstream shock wave pressure refers to the pressure of a fluid after it has passed through a shock wave. A shock wave is a rapid and abrupt change in the pressure, temperature, and density of a fluid that occurs when it travels at a speed greater than the local speed of sound. When a
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The moment per unit span about the aerodynamic center (M’ac) is a measure of the twisting or rotational effect experienced by an airfoil or wing section due to aerodynamic forces. It quantifies the moment (torque) exerted around a specified axis per unit span length of the wing or airfoil. The concept of Mac′​ is fundamental
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Pt​ is the power associated with the fluid flow in the test section. It represents the rate at which energy is transferred or converted within the flow. The power required in the test section (Pt​) refers to the amount of energy that needs to be supplied or consumed to drive the fluid flow within a
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Total pressure, often denoted a p0​, is a concept used in fluid dynamics to describe the combination of static pressure and dynamic pressure at a specific point within a flowing fluid. It represents the sum of the pressures associated with both the fluid’s velocity and its thermodynamic properties. Total pressure is an important parameter when
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Total pressure (p01​) at a specific point in a fluid flow. This equation is based on the Bernoulli’s principle, which describes the relationship between pressure, velocity, and elevation in a fluid flowing along a streamline.  p01​ is the total pressure at a specific point, which includes both the static pressure (p1​) and the dynamic
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Γ is the circulation, which is a measure of the total angular momentum or vorticity associated with the vortex flow. It quantifies the strength of the rotational motion created by the vortex. Γ is the circulation, which represents the total angular momentum or vorticity associated with the vortex flow around the cylinder. R is the
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The maximum velocity for non-lifting flow over a cylinder refers to the highest velocity of the fluid flow around the cylinder when there is no lift force being generated. In other words, it’s the maximum flow velocity that occurs along the surface of the cylinder in a situation where the cylinder is not producing any
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Pc is the energy input associated with flow losses in the complete circuit. It refers to the energy consumed or lost due to friction, turbulence, or other factors that affect the flow within the circuit. ER is the energy ratio, a dimensionless quantity that represents the ratio of output energy to input energy. It provides
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The energy ratio (ER) equation you provided, ER = Pt/Pc, relates the total energy output (Pt) to the energy input associated with flow losses in a complete circuit (Pc). ER is the energy ratio, a dimensionless quantity that represents the ratio of output energy to input energy. It provides a measure of the efficiency or
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