The ratio of initial and final mass in a tank, denoted as “Mi/Mf,” represents the relationship between the initial mass (Mi) and the final mass (Mf) of a substance within a closed container or system. Mi: Initial Mass – This is the mass of the substance at the beginning of a process or inside a […]
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The ratio of initial and final pressures in a tank, denoted as “pi/pf,” represents the relationship between the initial pressure (pi) and the final pressure (pf) within a closed container or system. pi: Initial Pressure – This is the pressure at the beginning of a process, such as the pressure inside a tank or a
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The height of the nozzle throat, denoted as “h*,” refers to the vertical distance from the nozzle’s centerline to a specific point within the nozzle where the cross-sectional area is at its minimum. In other words, it is the height measurement perpendicular to the nozzle’s centerline at the narrowest point of the nozzle, known as
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The Reynolds number (Re) is a dimensionless parameter used in fluid dynamics to characterize the flow regime of a fluid or gas around an object or through a conduit. It is a fundamental concept in aerodynamics and fluid mechanics. Re: Reynolds number (dimensionless) ρ (rho): Density of the fluid (kg/m³) V: Velocity of the fluid
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The minimum height of the test model centerline above the lower wind tunnel wall, denoted as “h,” refers to the smallest vertical distance between the centerline of the test model and the surface of the lower wall or floor of a wind tunnel. In wind tunnel testing, this parameter is essential for ensuring that the
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At,2 (Diffuser Throat Area): This is the cross-sectional area of the throat of the diffuser section of a propulsion system. The diffuser is the component responsible for slowing down and compressing incoming air or propellant flow before it enters the combustion chamber or nozzle. The area of the diffuser throat is an important parameter in
The static pressure at the diffuser throat where the flow is sonic, denoted as p2*, refers to the pressure of the fluid or gas at the point within the diffuser where the flow velocity reaches the speed of sound (Mach 1). This pressure is a critical parameter in fluid dynamics, particularly in compressible flow situations
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The static pressure at the nozzle throat where the flow is sonic, denoted as p1*, refers to the pressure of the fluid or gas at the point within the nozzle where the flow velocity reaches the speed of sound (Mach 1). This pressure is a critical parameter in fluid dynamics, particularly in compressible flow situations
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At,2 (Diffuser Throat Area): This is the cross-sectional area of the throat of the diffuser section of a propulsion system. The diffuser is the component responsible for slowing down and compressing incoming air or propellant flow before it enters the combustion chamber or nozzle. The area of the diffuser throat is an important parameter in
At,2 (Diffuser Throat Area): This is the cross-sectional area of the throat of the diffuser section of a propulsion system. The diffuser is the component responsible for slowing down and compressing incoming air or propellant flow before it enters the combustion chamber or nozzle. The area of the diffuser throat is an important parameter in
