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Both pressure and flow decreases
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What is purpose balance line in centrifugal compressor?
The purpose of the balance line in a centrifugal compressor is to equalize the pressure between the high-pressure and low-pressure sides of the impeller. This helps to reduce axial thrust, which can lead to mechanical wear and inefficiency. By allowing a controlled flow of gas or liquid to bypass the impeller, the balance line aids in stabilizing rotor operation and improving overall performance. It is essential for maintaining the reliability and longevity of the compressor system.
What is turbine diffuser and its pressure recovery?
Turbine diffusers are configured to improve pressure recovery within the turbo machinery. The diffuser both converts the non-uniform flow off the impeller into a uniform velocity profile and converts the dynamic energy of the flow into pressure with minimal losses. With an effective diffuser, the rotor exit static pressure will be less than the discharge value which increases the total/static pressure ratio of the turbine. With this increase in total/static pressure ratio, the total to total pressure ratio is reduced, but the overall turbine efficiency is improved.. Turbine diffusers are configured to improve pressure recovery within the turbo machinery. The diffuser both converts the non-uniform flow off the impeller into a uniform velocity profile and converts the dynamic energy of the flow into pressure with minimal losses. With an effective diffuser, the rotor exit static pressure will be less than the discharge value which increases the total/static pressure ratio of the turbine. With this increase in total/static pressure ratio, the total to total pressure ratio is reduced, but the overall turbine efficiency is improved.. For more information Read the Handbook of turbomachinery (Joseph Sherma, 2003 pg 342-348):
What pressure or force that causes current flow through a conductor is caleed?
The pressure or force causing current to flow through a conductor is called voltage.
How can you make water flow without pressure?
Of course
Why poiseuille equation not applied to turbulent flow?
Coz poiseuille eq is for poiseuille flow, which is a laminar flow, not turbulent flow. And it also need to be a fully developed , pressure driven flow.
What is the function of the impeller in a centrifugal pump?
Impeller make the flow has velocity in a centrifugal pump. The purpose of pump is increasing the pressure. The flow has velocity envergy via impeller and the energy change to pressure energy in diffuser.
What is the function of an impeller?
An impeller is used in many devices, such as a washing machine and water jet. An impeller is used to control the pressure and flow of water. It is found inside of a tube or a conduit, an impeller is a type of rotor.
What causes radial thrust in a centrifugal pump?
When a centrifugal pump operates at its best efficiency point (BEP), the flow angles match with the impeller vane angles. At the BEP, the flow velocity in the volute is uniform around the volute (i.e., there is not acceleration of the fluid in the volute). Therefore, the pressure around the volute is uniform. The uniform pressure around the circumference results in a net zero radial force on the impeller (or the shaft). Note this is theoretical. In practice even at BEP, there is a small radial load because the pressure is not uniform. If the pump is operated away from the BEP, the flow velocities in the volute are non-uniform which results in a non-uniform pressure field and a net radial load (can be obtained by integrating the pressure around the circumference of the volute or the impeller).
What is the form of flow in volute casing after the impeller in centrifugal pump?
rotational
What is the difference of an axial flow and centrifugal compressor?
The centrifugal flow compressor has a single or two stage unit using an impeller. The axial flow compressor is a multi-stage unit using alternate rows of rotating (rotor) blades and stationary (stator) vanes.
What is the difference betwee impeller and propeler?
An impeller is a rotor used to increase the pressure and flow of a fluid whereas a propeller is a type of fan that produces thrust by moving air or water. In general, impellers are found in pumps and compressors, while propellers are commonly used in boats and aircraft.
What is the impact of the pressure difference across a partial blockage on the flow of fluid through a system?
The pressure difference across a partial blockage in a fluid system can affect the flow of fluid by causing it to either increase or decrease. If the pressure difference is high, it can help push the fluid through the blockage, increasing the flow rate. However, if the pressure difference is low, it can hinder the flow of fluid, reducing the flow rate. Ultimately, the impact of the pressure difference on the flow of fluid depends on the specific conditions of the system.
What uses the flow of exhaust gasses out of the engine to pressurize the air entering the intake manifold?
a turbocharger uses exhaust gas to spin an impeller that boost atmospheric pressure and feeds it into engine
What is the relationship between shower head flow rate and pressure, and how does it impact the overall performance of a shower system?
The relationship between shower head flow rate and pressure is that as flow rate increases, pressure typically decreases. This can impact the overall performance of a shower system by affecting the strength and consistency of the water stream. Higher flow rates may result in a weaker water pressure, while lower flow rates can lead to a stronger pressure but potentially less water volume. Balancing flow rate and pressure is important for achieving an optimal shower experience.
Put a 1 hp impeller on a 2 hp pool motor?
well the motor will like it, it will run cool but the power bill will be high. it will not have the flow of a 2hp impeller
Hayward DE fiter just acid washed return pressure still noticeably lower could it be impeller?
The cleaner the filter is the lower the initial back pressure is going to be, if you have a valve between the filter and the pool return turn, shut of the flow of water for just a moment. if the impeller is working properly the back pressure gauge should suddenly start to read high. Other reasons for low back pressure may be that the seals inside the unit are not properly settled.
What is purpose balance line in centrifugal compressor?
The purpose of the balance line in a centrifugal compressor is to equalize the pressure between the high-pressure and low-pressure sides of the impeller. This helps to reduce axial thrust, which can lead to mechanical wear and inefficiency. By allowing a controlled flow of gas or liquid to bypass the impeller, the balance line aids in stabilizing rotor operation and improving overall performance. It is essential for maintaining the reliability and longevity of the compressor system.
