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  • Three-Dimensional Simulation of Air Entrainment in a

    Request PDF On Apr 20, 2017, Z. W. Guo and others published Three-Dimensional Simulation of Air Entrainment in a Sump Pump Find, read and cite all the research you need on ResearchGate

    Get Price
  • Three-dimensional flow simulation of transient power ...

    2013-5-23u2002·u2002The transient power failure process of a prototype pump-turbine was studied numerically by three-dimensional (3-D) simulations. Fluid coupling and dynamic mesh (DM) method were used to calculate the rotational speed of the runner. Simulations were performed based on turbulence model. Specific transient characteristics, such as the flow rate, head, rotational speed, were analyzed. The ...

    Get Price
  • Three-Dimensional Navier-Stokes Simulations of Turbine ...

    2014-6-16u2002·u2002o f two-dimensional flow i n th e midspa region. Th results o Ref. 11 were then obtained by solving the thin-layer Navier-Stoke s equation in two dimensions. In the present study the approximation of two-dimensional-ity is removed, and three-dimensional airfoil geometries are used. In addition, the hub outer casing and rotor-tip clear-

    Get Price
  • Optimum Design of the Dental Air-Turbine Handpiece

    2020-1-22u2002·u2002An air-turbine and associated air supply tube was optimized as a dental air-turbine handpiece system. The system consists of an air-turbine with an impeller and a housing, and an air supply tube which supplies compressed-air to the air-turbine. The flow characteristics of the dental air-turbine handpiece system were investigated using ANSYS CFX. The study aimed to find the significant design ...

    Get Price
  • A MICRO TURBINE DEVICE WITH ENHANCED MICRO AIR

    2009-11-20u2002·u2002Based on the actual turbine structure, a pump-in configuration with spiral grooves is designed for top thrust air bearing, and a pump-out configuration is for bottom bearing, as shown in Figs.4 (a)-(c). Due to the miniaturized dimension and small weight of thrust plate, the axial load is mainly caused by the pressure difference

    Get Price
  • Multi-Dimensional Platform for Cooling Design of Air ...

    2013-7-9u2002·u2002Progresses in conjugate heat transfer simulation method provide a new approach for turbine blade cooling design. The procedure of air-cooled blade design introduced in this paper consists of two levels, a schematic design using 1D flow network calculation method, and a detailed design based on CFX conjugate heat transfer simulation.

    Get Price
  • Vacuum Motors Air Pumps (Wet & Dry motors)

    Vacuum cleaner motors with high effixadciency are used for wet & dry aspiration. Vacuum cleaner motors consist of universal commutator motor and single or more fan stages. Motors are constructed in basic insulation with grounding provision or in double insulation. …

    Get Price
  • Vertical Turbine Pumps

    Vertical turbine pumps are often staged – that is, designed with more than one impeller. Each additional impeller increases the amount of head the pump can produce while the flow remains unchanged. For example, if a single-stage turbine (one with only one impeller) is designed to produce 1,000 Gallons per Minute (GPM) at 100 Feet Total ...

    Get Price
  • FUNDAMENTALS OF FLUID MECHANICS Chapter 12

    2014-5-22u2002·u2002Example 12.2 Centrifugal Pump Performance Based on Inlet/Outlet Velocities zWater is pumped at the rate of 1400 gpm through a centrifugal pump operating at a speed of 1750 rpm. The impeller has a uniform blade length, b, of 2 in. with r 1 = 1.9 in. and r 2 = 7.0 in., and the exit blade angle is β=23º . Assume ideal flow conditions and that the

    Get Price
  • Three-Dimensional Simulation of Air Entrainment in a Sump Pump

    Request PDF On Apr 20, 2017, Z. W. Guo and others published Three-Dimensional Simulation of Air Entrainment in a Sump Pump Find, read and cite all the research you need on ResearchGate

    Get Price
  • Three-dimensional flow simulation of transient power ...

    2013-5-23u2002·u2002The transient power failure process of a prototype pump-turbine was studied numerically by three-dimensional (3-D) simulations. Fluid coupling and dynamic mesh (DM) method were used to calculate the rotational speed of the runner. Simulations were performed based on turbulence model. Specific transient characteristics, such as the flow rate, head, rotational …

    Get Price
  • Three-Dimensional Navier-Stokes Simulations of Turbine ...

    2014-6-16u2002·u2002o f two-dimensional flow i n th e midspa region. Th results o Ref. 11 were then obtained by solving the thin-layer Navier-Stoke s equation in two dimensions. In the present study the approximation of two-dimensional-ity is removed, and three-dimensional airfoil geometries are used. In addition, the hub outer casing and rotor-tip clear-

    Get Price
  • Optimum Design of the Dental Air-Turbine Handpiece System ...

    2020-1-22u2002·u2002An air-turbine and associated air supply tube was optimized as a dental air-turbine handpiece system. The system consists of an air-turbine with an impeller and a housing, and an air supply tube which supplies compressed-air to the air-turbine. The flow characteristics of the dental air-turbine handpiece system were investigated using ANSYS CFX. The study aimed to find the …

    Get Price
  • A MICRO TURBINE DEVICE WITH ENHANCED MICRO AIR

    2009-11-20u2002·u2002Based on the actual turbine structure, a pump-in configuration with spiral grooves is designed for top thrust air bearing, and a pump-out configuration is for bottom bearing, as shown in Figs.4 (a)-(c). Due to the miniaturized dimension and small weight of thrust plate, the axial load is mainly caused by the pressure difference

    Get Price
  • Multi-Dimensional Platform for Cooling Design of Air ...

    2013-7-9u2002·u2002Progresses in conjugate heat transfer simulation method provide a new approach for turbine blade cooling design. The procedure of air-cooled blade design introduced in this paper consists of two levels, a schematic design using 1D flow network calculation method, and a detailed design based on CFX conjugate heat transfer simulation.

    Get Price
  • Vacuum Motors Air Pumps (Wet & Dry motors)

    Vacuum cleaner motors with high effixadciency are used for wet & dry aspiration. Vacuum cleaner motors consist of universal commutator motor and single or more fan stages. Motors are constructed in basic insulation with grounding provision or in double insulation. They are designed with radial or tangential discharge.

    Get Price
  • Vertical Turbine Pumps

    Vertical turbine pumps are often staged – that is, designed with more than one impeller. Each additional impeller increases the amount of head the pump can produce while the flow remains unchanged. For example, if a single-stage turbine (one with only one impeller) is designed to produce 1,000 Gallons per Minute (GPM) at 100 Feet Total ...

    Get Price
  • FUNDAMENTALS OF FLUID MECHANICS Chapter 12 Pumps

    2014-5-22u2002·u2002Example 12.2 Centrifugal Pump Performance Based on Inlet/Outlet Velocities zWater is pumped at the rate of 1400 gpm through a centrifugal pump operating at a speed of 1750 rpm. The impeller has a uniform blade length, b, of 2 in. with r 1 = 1.9 in. and r 2 = 7.0 in., and the exit blade angle is β=23º . Assume ideal flow conditions and that the

    Get Price
  • turbine - Turbine selection on the basis of specific speed ...

    2 days agou2002·u2002turbine - turbine - Turbine selection on the basis of specific speed: Initial turbine selection is usually based on the ratio of design variables known as the power specific speed. In U.S. design practice this is given bywhere n is in revolutions per minute, P is the output in horsepower, and H is the head of water in feet. Turbine types can be classified by their specific …

    Get Price
  • Three-Dimensional Simulation of Air Entrainment in a Sump Pump

    Request PDF On Apr 20, 2017, Z. W. Guo and others published Three-Dimensional Simulation of Air Entrainment in a Sump Pump Find, read and cite all the research you need on ResearchGate

    Get Price
  • Three-dimensional flow simulation of transient power ...

    2013-5-23u2002·u2002The transient power failure process of a prototype pump-turbine was studied numerically by three-dimensional (3-D) simulations. Fluid coupling and dynamic mesh (DM) method were used to calculate the rotational speed of the runner. Simulations were performed based on turbulence model. Specific transient characteristics, such as the flow rate, head, rotational …

    Get Price
  • Three-Dimensional Navier-Stokes Simulations of Turbine ...

    2014-6-16u2002·u2002o f two-dimensional flow i n th e midspa region. Th results o Ref. 11 were then obtained by solving the thin-layer Navier-Stoke s equation in two dimensions. In the present study the approximation of two-dimensional-ity is removed, and three-dimensional airfoil geometries are used. In addition, the hub outer casing and rotor-tip clear-

    Get Price
  • Optimum Design of the Dental Air-Turbine Handpiece System ...

    2020-1-22u2002·u2002An air-turbine and associated air supply tube was optimized as a dental air-turbine handpiece system. The system consists of an air-turbine with an impeller and a housing, and an air supply tube which supplies compressed-air to the air-turbine. The flow characteristics of the dental air-turbine handpiece system were investigated using ANSYS CFX. The study aimed to find the …

    Get Price
  • A MICRO TURBINE DEVICE WITH ENHANCED MICRO AIR

    2009-11-20u2002·u2002Based on the actual turbine structure, a pump-in configuration with spiral grooves is designed for top thrust air bearing, and a pump-out configuration is for bottom bearing, as shown in Figs.4 (a)-(c). Due to the miniaturized dimension and small weight of thrust plate, the axial load is mainly caused by the pressure difference

    Get Price
  • Multi-Dimensional Platform for Cooling Design of Air ...

    2013-7-9u2002·u2002Progresses in conjugate heat transfer simulation method provide a new approach for turbine blade cooling design. The procedure of air-cooled blade design introduced in this paper consists of two levels, a schematic design using 1D flow network calculation method, and a detailed design based on CFX conjugate heat transfer simulation.

    Get Price
  • Vacuum Motors Air Pumps (Wet & Dry motors)

    Vacuum cleaner motors with high effixadciency are used for wet & dry aspiration. Vacuum cleaner motors consist of universal commutator motor and single or more fan stages. Motors are constructed in basic insulation with grounding provision or in double insulation. They are designed with radial or tangential discharge.

    Get Price
  • Vertical Turbine Pumps

    Vertical turbine pumps are often staged – that is, designed with more than one impeller. Each additional impeller increases the amount of head the pump can produce while the flow remains unchanged. For example, if a single-stage turbine (one with only one impeller) is designed to produce 1,000 Gallons per Minute (GPM) at 100 Feet Total ...

    Get Price
  • FUNDAMENTALS OF FLUID MECHANICS Chapter 12 Pumps

    2014-5-22u2002·u2002Example 12.2 Centrifugal Pump Performance Based on Inlet/Outlet Velocities zWater is pumped at the rate of 1400 gpm through a centrifugal pump operating at a speed of 1750 rpm. The impeller has a uniform blade length, b, of 2 in. with r 1 = 1.9 in. and r 2 = 7.0 in., and the exit blade angle is β=23º . Assume ideal flow conditions and that the

    Get Price
  • turbine - Turbine selection on the basis of specific speed ...

    2 days agou2002·u2002turbine - turbine - Turbine selection on the basis of specific speed: Initial turbine selection is usually based on the ratio of design variables known as the power specific speed. In U.S. design practice this is given bywhere n is in revolutions per minute, P is the output in horsepower, and H is the head of water in feet. Turbine types can be classified by their specific …

    Get Price
  • Three-Dimensional Simulation of Air Entrainment in a

    Request PDF On Apr 20, 2017, Z. W. Guo and others published Three-Dimensional Simulation of Air Entrainment in a Sump Pump Find, read and cite all the research you need on ResearchGate

    Get Price
  • Three-dimensional flow simulation of transient power ...

    2013-5-23u2002·u2002The transient power failure process of a prototype pump-turbine was studied numerically by three-dimensional (3-D) simulations. Fluid coupling and dynamic mesh (DM) method were used to calculate the rotational speed of the runner. Simulations were performed based on turbulence model. Specific transient characteristics, such as the flow rate, head, rotational speed, were analyzed. The ...

    Get Price
  • Three-Dimensional Navier-Stokes Simulations of Turbine ...

    2014-6-16u2002·u2002o f two-dimensional flow i n th e midspa region. Th results o Ref. 11 were then obtained by solving the thin-layer Navier-Stoke s equation in two dimensions. In the present study the approximation of two-dimensional-ity is removed, and three-dimensional airfoil geometries are used. In addition, the hub outer casing and rotor-tip clear-

    Get Price
  • Optimum Design of the Dental Air-Turbine Handpiece

    2020-1-22u2002·u2002An air-turbine and associated air supply tube was optimized as a dental air-turbine handpiece system. The system consists of an air-turbine with an impeller and a housing, and an air supply tube which supplies compressed-air to the air-turbine. The flow characteristics of the dental air-turbine handpiece system were investigated using ANSYS CFX. The study aimed to find the significant design ...

    Get Price
  • A MICRO TURBINE DEVICE WITH ENHANCED MICRO AIR

    2009-11-20u2002·u2002Based on the actual turbine structure, a pump-in configuration with spiral grooves is designed for top thrust air bearing, and a pump-out configuration is for bottom bearing, as shown in Figs.4 (a)-(c). Due to the miniaturized dimension and small weight of thrust plate, the axial load is mainly caused by the pressure difference

    Get Price
  • Multi-Dimensional Platform for Cooling Design of Air ...

    2013-7-9u2002·u2002Progresses in conjugate heat transfer simulation method provide a new approach for turbine blade cooling design. The procedure of air-cooled blade design introduced in this paper consists of two levels, a schematic design using 1D flow network calculation method, and a detailed design based on CFX conjugate heat transfer simulation.

    Get Price
  • Vacuum Motors Air Pumps (Wet & Dry motors)

    Vacuum cleaner motors with high effixadciency are used for wet & dry aspiration. Vacuum cleaner motors consist of universal commutator motor and single or more fan stages. Motors are constructed in basic insulation with grounding provision or in double insulation. …

    Get Price
  • Vertical Turbine Pumps

    Vertical turbine pumps are often staged – that is, designed with more than one impeller. Each additional impeller increases the amount of head the pump can produce while the flow remains unchanged. For example, if a single-stage turbine (one with only one impeller) is designed to produce 1,000 Gallons per Minute (GPM) at 100 Feet Total ...

    Get Price
  • FUNDAMENTALS OF FLUID MECHANICS Chapter 12

    2014-5-22u2002·u2002Example 12.2 Centrifugal Pump Performance Based on Inlet/Outlet Velocities zWater is pumped at the rate of 1400 gpm through a centrifugal pump operating at a speed of 1750 rpm. The impeller has a uniform blade length, b, of 2 in. with r 1 = 1.9 in. and r 2 = 7.0 in., and the exit blade angle is β=23º . Assume ideal flow conditions and that the

    Get Price
  • turbine - Turbine selection on the basis of specific speed ...

    2 days agou2002·u2002turbine - turbine - Turbine selection on the basis of specific speed: Initial turbine selection is usually based on the ratio of design variables known as the power specific speed. In U.S. design practice this is given bywhere n is in revolutions per minute, P is the output in horsepower, and H is the head of water in feet. Turbine types can be classified by their specific speed, N, which ...

    Get Price
  • Three-Dimensional Simulation of Air Entrainment in a

    Request PDF On Apr 20, 2017, Z. W. Guo and others published Three-Dimensional Simulation of Air Entrainment in a Sump Pump Find, read and cite all the research you need on ResearchGate

    Get Price
  • Three-dimensional flow simulation of transient power ...

    2013-5-23u2002·u2002The transient power failure process of a prototype pump-turbine was studied numerically by three-dimensional (3-D) simulations. Fluid coupling and dynamic mesh (DM) method were used to calculate the rotational speed of the runner. Simulations were performed based on turbulence model. Specific transient characteristics, such as the flow rate, head, rotational speed, were analyzed. The ...

    Get Price
  • Three-Dimensional Navier-Stokes Simulations of Turbine ...

    2014-6-16u2002·u2002o f two-dimensional flow i n th e midspa region. Th results o Ref. 11 were then obtained by solving the thin-layer Navier-Stoke s equation in two dimensions. In the present study the approximation of two-dimensional-ity is removed, and three-dimensional airfoil geometries are used. In addition, the hub outer casing and rotor-tip clear-

    Get Price
  • Optimum Design of the Dental Air-Turbine Handpiece

    2020-1-22u2002·u2002An air-turbine and associated air supply tube was optimized as a dental air-turbine handpiece system. The system consists of an air-turbine with an impeller and a housing, and an air supply tube which supplies compressed-air to the air-turbine. The flow characteristics of the dental air-turbine handpiece system were investigated using ANSYS CFX. The study aimed to find the significant design ...

    Get Price
  • A MICRO TURBINE DEVICE WITH ENHANCED MICRO AIR

    2009-11-20u2002·u2002Based on the actual turbine structure, a pump-in configuration with spiral grooves is designed for top thrust air bearing, and a pump-out configuration is for bottom bearing, as shown in Figs.4 (a)-(c). Due to the miniaturized dimension and small weight of thrust plate, the axial load is mainly caused by the pressure difference

    Get Price
  • Multi-Dimensional Platform for Cooling Design of Air ...

    2013-7-9u2002·u2002Progresses in conjugate heat transfer simulation method provide a new approach for turbine blade cooling design. The procedure of air-cooled blade design introduced in this paper consists of two levels, a schematic design using 1D flow network calculation method, and a detailed design based on CFX conjugate heat transfer simulation.

    Get Price
  • Vacuum Motors Air Pumps (Wet & Dry motors)

    Vacuum cleaner motors with high effixadciency are used for wet & dry aspiration. Vacuum cleaner motors consist of universal commutator motor and single or more fan stages. Motors are constructed in basic insulation with grounding provision or in double insulation. …

    Get Price
  • Vertical Turbine Pumps

    Vertical turbine pumps are often staged – that is, designed with more than one impeller. Each additional impeller increases the amount of head the pump can produce while the flow remains unchanged. For example, if a single-stage turbine (one with only one impeller) is designed to produce 1,000 Gallons per Minute (GPM) at 100 Feet Total ...

    Get Price
  • FUNDAMENTALS OF FLUID MECHANICS Chapter 12

    2014-5-22u2002·u2002Example 12.2 Centrifugal Pump Performance Based on Inlet/Outlet Velocities zWater is pumped at the rate of 1400 gpm through a centrifugal pump operating at a speed of 1750 rpm. The impeller has a uniform blade length, b, of 2 in. with r 1 = 1.9 in. and r 2 = 7.0 in., and the exit blade angle is β=23º . Assume ideal flow conditions and that the

    Get Price
  • turbine - Turbine selection on the basis of specific speed ...

    2 days agou2002·u2002turbine - turbine - Turbine selection on the basis of specific speed: Initial turbine selection is usually based on the ratio of design variables known as the power specific speed. In U.S. design practice this is given bywhere n is in revolutions per minute, P is the output in horsepower, and H is the head of water in feet. Turbine types can be classified by their specific speed, N, which ...

    Get Price
  • Three-Dimensional Simulation of Air Entrainment in a

    Request PDF On Apr 20, 2017, Z. W. Guo and others published Three-Dimensional Simulation of Air Entrainment in a Sump Pump Find, read and cite …

    Get Price
  • Three-dimensional flow simulation of transient power ...

    2013-5-23u2002·u2002The transient power failure process of a prototype pump-turbine was studied numerically by three-dimensional (3-D) simulations. Fluid coupling and dynamic mesh (DM) method were used to calculate the rotational speed of the runner. Simulations were performed based on turbulence model. Specific transient characteristics, such as the flow rate, head, …

    Get Price
  • Three-Dimensional Navier-Stokes Simulations of Turbine ...

    2014-6-16u2002·u2002o f two-dimensional flow i n th e midspa region. Th results o Ref. 11 were then obtained by solving the thin-layer Navier-Stoke s equation in two dimensions. In the present study the approximation of two-dimensional-ity is removed, and three-dimensional airfoil geometries are used. In addition, the hub outer casing and rotor-tip clear-

    Get Price
  • Optimum Design of the Dental Air-Turbine Handpiece

    2020-1-22u2002·u2002An air-turbine and associated air supply tube was optimized as a dental air-turbine handpiece system. The system consists of an air-turbine with an impeller and a housing, and an air supply tube which supplies compressed-air to the air-turbine. The flow characteristics of the dental air-turbine handpiece system were investigated using ANSYS CFX. The study aimed to …

    Get Price
  • A MICRO TURBINE DEVICE WITH ENHANCED MICRO AIR

    2009-11-20u2002·u2002Based on the actual turbine structure, a pump-in configuration with spiral grooves is designed for top thrust air bearing, and a pump-out configuration is for bottom bearing, as shown in Figs.4 (a)-(c). Due to the miniaturized dimension and small weight of thrust plate, the axial load is mainly caused by the pressure difference

    Get Price
  • Multi-Dimensional Platform for Cooling Design of Air ...

    2013-7-9u2002·u2002Progresses in conjugate heat transfer simulation method provide a new approach for turbine blade cooling design. The procedure of air-cooled blade design introduced in this paper consists of two levels, a schematic design using 1D flow network calculation method, and a detailed design based on CFX conjugate heat transfer simulation.

    Get Price
  • Vacuum Motors Air Pumps (Wet & Dry motors)

    Vacuum cleaner motors with high effixadciency are used for wet & dry aspiration. Vacuum cleaner motors consist of universal commutator motor and single or more fan stages. Motors are constructed in basic insulation with grounding provision or in double insulation. They are designed with radial or tangential discharge.

    Get Price
  • Vertical Turbine Pumps

    Vertical turbine pumps are often staged – that is, designed with more than one impeller. Each additional impeller increases the amount of head the pump can produce while the flow remains unchanged. For example, if a single-stage turbine (one with only one impeller) is designed to produce 1,000 Gallons per Minute (GPM) at 100 Feet Total ...

    Get Price
  • FUNDAMENTALS OF FLUID MECHANICS Chapter 12

    2014-5-22u2002·u2002Example 12.2 Centrifugal Pump Performance Based on Inlet/Outlet Velocities zWater is pumped at the rate of 1400 gpm through a centrifugal pump operating at a speed of 1750 rpm. The impeller has a uniform blade length, b, of 2 in. with r 1 = 1.9 in. and r 2 = 7.0 in., and the exit blade angle is β=23º . Assume ideal flow conditions and that the

    Get Price
  • turbine - Turbine selection on the basis of specific speed ...

    2 days agou2002·u2002turbine - turbine - Turbine selection on the basis of specific speed: Initial turbine selection is usually based on the ratio of design variables known as the power specific speed. In U.S. design practice this is given bywhere n is in revolutions per minute, P is the output in horsepower, and H is the head of water in feet. Turbine types can be classified by their specific …

    Get Price