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What else can I help you with?
Why do you start the centrifugal pump with the discharge valve shut?
centrifugal pump should be fill with liquid to built discharge pressur.chemist.yasser.Naguib
What happen if discharge of centrifugal pump closed?
if the discharge of centrifugal pump is closed the pressure is built up in it and after some time it will burst up
The first rule in computer safety is to?
use electro-static discharge
Why heat sinks are black anodized?
Radiative heat transfer (heat transfer by electromagnetic radiation) is proportional to e*(T1^4 - T2^4) where T1 is the absolute temperature of the material, T2 is the absolute temperature of the surroundings, and e is the emissivity coefficient. A black material has a high emissivity coefficient, while a silvery material has a low emissivity coefficient. However, the emissivity coefficient cuts both ways, so to speak. A black material in thermodynamic equilibrium with its environment absorbs more radiation, true. But it also emits more radiation (this is necessary for equilibrium to hold). Likewise, a silvery material absorbs less radiation, and also emits less radiation. Conductive heat transfer ensures that the black material on the surface of the heat sink remains hot. The surroundings are at a lower temperature. Therefore T1 and T2 are set, and the heat transferred from the heat sink to the surroundings is simply proportional to e, the emissivity coefficient.
What happens to the temperature of the discharge line when the head pressure is increased?
the line go up
Why is coefficient of discharge of venturi meter is more than coefficient of discharge of orifice meter?
In Venturi meter losses are less so coefficient of discharge is higher whereas in orifice meter due to no convergent and divergent cones there are more losses and hence its coefficient of discharge is less.In venturi meter losses are low due to steamline shape of the diffuser and the pressure gradient is not abrupt as in case of orifice meter.
What is the value for coefficient of discharge for a rectangular notch?
.623
What is the value of coefficient of discharge for rectangular notch?
.623
What are the factors that affect the value of coefficient of discharge?
Factors that affect the value of coefficient of discharge include the geometry of the orifice or nozzle, roughness of the opening, fluid properties such as viscosity and density, and the flow regime (e.g., laminar or turbulent flow). Additionally, the presence of obstructions or inlet/outlet conditions can also impact the coefficient of discharge.
What is the value of coefficient of discharge for v notch?
approximately equal to 0.6
What are the units of coefficient of discharge?
The coefficient of discharge (Cd) is a dimensionless number, meaning it has no units. It is defined as the ratio of the actual discharge (flow rate) through a device to the theoretical discharge calculated based on ideal conditions. Since it represents a ratio of two quantities with the same units (e.g., volume per time), the units cancel out, leaving Cd as a pure number.
Why is the coefficient of discharge of a venturimeter calculated?
The coefficient of discharge of a venturi meter is calculated to account for any discrepancies between the theoretical flow rate and the actual flow rate. It helps in correcting for losses due to friction and other factors in the fluid flow, and ensures accurate measurement of the flow rate through the venturi meter.
Why you need coefficient of discharge?
The coefficient of discharge is needed to account for energy losses and inefficiencies in fluid flow systems. It helps to adjust theoretical calculations to more closely match real-world conditions, resulting in more accurate predictions and designs for fluid flow applications.
Why use a hydrant discharge coefficient to determine accurate fire flow?
Using a hydrant discharge coefficient allows for more precise calculations of fire flow by accounting for various factors that affect the flow rate, such as the hydrant's design, size, and pressure. This coefficient helps to standardize measurements, ensuring that fire departments can predict the available water supply accurately under different conditions. By incorporating the discharge coefficient, firefighters can better assess the adequacy of hydrant systems for effective fire suppression efforts. Ultimately, this enhances safety and efficiency during emergency responses.
What are the benefits of practical on flow through circular orifice in constant head method to determine coefficient of discharge?
paniyaram
How do you calculate water discharge through weirs?
Water discharge through weirs can be calculated using the weir equation, which is typically expressed as ( Q = C_d \times L \times H^{3/2} ). Here, ( Q ) is the discharge (flow rate), ( C_d ) is the discharge coefficient (which varies depending on the weir type), ( L ) is the length of the weir, and ( H ) is the head (the height of water above the weir crest). Accurate measurements of head and proper calibration of the discharge coefficient are essential for precise calculations.
What is the average value of coefficient of velocity in a submerged orifice?
The average value of the coefficient of velocity for a submerged orifice is typically around 0.97 to 0.99. This value represents the efficiency of the orifice in converting the potential energy of the fluid into kinetic energy.
