0
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
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
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 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
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.
What are the benefits of practical on flow through circular orifice in constant head method to determine coefficient of discharge?
paniyaram
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.
Is coefficient of discharge constant?
No coefficient of discharge is not constant. It is a function of many parameters like :The ratio of the length of the orifice to diameter of orificeReynolds numberflow condition-whether it is increasing or decreasingPressure at the exit of the orifice (back pressure)Orifice entry condition- like smooth entry, sharp edged entry etc.
Coefficient of discharge is a dimensionless parameter?
It is a dimensionless parameter since its just a ratio between two quantities of same unit.
What will happen to the coefficient of discharge if the tube is shorter than the standard length or the head causing the flow is relatively high?
If the tube is shorter than the standard length or the head causing the flow is relatively high, the coefficient of discharge will likely decrease. This is because a shorter tube or higher head can lead to increased friction losses and turbulence within the system, impacting the efficiency of the flow measurement. In practical terms, this means that the actual flow rate may be lower than the expected flow rate, resulting in a lower coefficient of discharge.
