The Houghton College Cyclotron: Results and Modifications
... introduced into the chamber where a filament, through electron collisions, ionizes the gas. The ions are accelerated in a spiral path by a constant magnetic and an alternating RF electric field. It is expected that the accelerated ions will reach energies of 280 keV, 140 keV, and 70 keV for protons, ...
... introduced into the chamber where a filament, through electron collisions, ionizes the gas. The ions are accelerated in a spiral path by a constant magnetic and an alternating RF electric field. It is expected that the accelerated ions will reach energies of 280 keV, 140 keV, and 70 keV for protons, ...
Stresa, Italy, 26-28 April 2006 SURFACE CONDITIONING EFFECT ON VACUUM MICROELECTRONICS
... and the materials are the two parameters that can be tuned in order to increase the electron emission for a given geometry. In fact F=βV, high electrical field values can be obtained by increasing either the voltage V or the field enhancement factor β, which is preferable for low voltage operation. ...
... and the materials are the two parameters that can be tuned in order to increase the electron emission for a given geometry. In fact F=βV, high electrical field values can be obtained by increasing either the voltage V or the field enhancement factor β, which is preferable for low voltage operation. ...
Wing / boom Control for Anhydrous Applicators
... 1. A pump to boost the pressure of anhydrous ammonia coming from the nurse tank. This pump maintains constant pressure of ammonia distributed to knives. Anhydrous ammonia can be applied consistently over a wide variation in tank pressure, even on a very cold day. 2. Orifices are used at the manifo ...
... 1. A pump to boost the pressure of anhydrous ammonia coming from the nurse tank. This pump maintains constant pressure of ammonia distributed to knives. Anhydrous ammonia can be applied consistently over a wide variation in tank pressure, even on a very cold day. 2. Orifices are used at the manifo ...
Vacuum chamber stress analysis
... •Top and bottom yokes for the single magnet tagger each weigh ~26 tonnes which will require heavy duty lifting equipment to assemble the magnet or undertake future repairs or modifications. •The long structure of a single dipole tagger will be awkward to manoeuvre during installation. •The smaller m ...
... •Top and bottom yokes for the single magnet tagger each weigh ~26 tonnes which will require heavy duty lifting equipment to assemble the magnet or undertake future repairs or modifications. •The long structure of a single dipole tagger will be awkward to manoeuvre during installation. •The smaller m ...
Energy, Power, Pumps
... An external gear has teeth on the outside (what most of us call a gear). An external gear pump uses a pair of external gears, which pump fluid between the moving gear teeth and the housing. One example is the oil pump on an automobile engine. It actually produces more pressure than the lubrication s ...
... An external gear has teeth on the outside (what most of us call a gear). An external gear pump uses a pair of external gears, which pump fluid between the moving gear teeth and the housing. One example is the oil pump on an automobile engine. It actually produces more pressure than the lubrication s ...
pump types - Pump Fundamentals
... applications. Compact design, motor mounted to pump, no need for additional coupling or base plate. For an example see: http://www.aurorapump.com/products/321.asp OVERHUNG IMPELLER, CLOSE COUPLED, SINGLE STAGE, END SUCTION This is the typical industrial submersible or sump pump. They resemble a wet- ...
... applications. Compact design, motor mounted to pump, no need for additional coupling or base plate. For an example see: http://www.aurorapump.com/products/321.asp OVERHUNG IMPELLER, CLOSE COUPLED, SINGLE STAGE, END SUCTION This is the typical industrial submersible or sump pump. They resemble a wet- ...
Lecture 27
... Solution: • First, as always, we need to pick a control volume. In this case, we need two control volumes since there are two branches in the parallel pipe system. After careful thought (and experience), we decide that the most appropriate control volumes go between points (1) and (2) as labeled on ...
... Solution: • First, as always, we need to pick a control volume. In this case, we need two control volumes since there are two branches in the parallel pipe system. After careful thought (and experience), we decide that the most appropriate control volumes go between points (1) and (2) as labeled on ...
FLOWS IN STREAM TUBES CONSERVATION LAWS IN INTEGRAL
... Electrical power P is V I where V is volts and I is current. By analogy, fluid power P is P Q where P is pressure and Q is volumetric flow rate. Note that power is force F times speed C. In a flow, force F is pressure P times area A. So power is P times A times C. Now volumetric flow rate Q is C tim ...
... Electrical power P is V I where V is volts and I is current. By analogy, fluid power P is P Q where P is pressure and Q is volumetric flow rate. Note that power is force F times speed C. In a flow, force F is pressure P times area A. So power is P times A times C. Now volumetric flow rate Q is C tim ...
Slide 1
... vacuum levels. Vacuum levels of 5x10-7 torr and better are typical. Sea level atmospheric pressure is about 740 torr or 7.4x102 Because of their complexity, vacuum chambers are very expensive. ...
... vacuum levels. Vacuum levels of 5x10-7 torr and better are typical. Sea level atmospheric pressure is about 740 torr or 7.4x102 Because of their complexity, vacuum chambers are very expensive. ...
Slide 1
... vacuum levels. Vacuum levels of 5x10-7 torr and better are typical. Sea level atmospheric pressure is about 740 torr or 7.4x102 Because of their complexity, vacuum chambers are very expensive. ...
... vacuum levels. Vacuum levels of 5x10-7 torr and better are typical. Sea level atmospheric pressure is about 740 torr or 7.4x102 Because of their complexity, vacuum chambers are very expensive. ...
silylation - RIT - People - Rochester Institute of Technology
... The surface imaging of photresist materials, followed by a silylation operation allows for dry development processing. Such a process is attractive for imaging into planarizing resist films and for application at short wavelengths where single layer wet developed resists may not exist. This laborato ...
... The surface imaging of photresist materials, followed by a silylation operation allows for dry development processing. Such a process is attractive for imaging into planarizing resist films and for application at short wavelengths where single layer wet developed resists may not exist. This laborato ...
Section_21_Boundary_..
... boundary be moving with velocity V1 / t , let E be the electric field measured in the stationary frame of reference, and let E* E V1 B0 be the electric field seen in the frame moving with the boundary. In the plasma, E V1 B0 , by Ohm’s law. Therefore E* 0 ; the electric field in t ...
... boundary be moving with velocity V1 / t , let E be the electric field measured in the stationary frame of reference, and let E* E V1 B0 be the electric field seen in the frame moving with the boundary. In the plasma, E V1 B0 , by Ohm’s law. Therefore E* 0 ; the electric field in t ...
Slide 1
... of electrons through the potential barrier. It is the dominant emission mechanism at high field strength. Local enhancment of the electric field can lead to higher emission density. ...
... of electrons through the potential barrier. It is the dominant emission mechanism at high field strength. Local enhancment of the electric field can lead to higher emission density. ...
CHAPTER 12
... A. Using a compressor with a higher flow rate B. Using a multistage compressor C. Pre-accelerating the flow ...
... A. Using a compressor with a higher flow rate B. Using a multistage compressor C. Pre-accelerating the flow ...
External gear pump
... they are reliable, simple to operate and easy to maintain. However, these pumps are not suitable for high speed and high pressure applications. Only one bearing is used in the pump therefore overhung load on shaft bearing reduces the life of the bearing. ...
... they are reliable, simple to operate and easy to maintain. However, these pumps are not suitable for high speed and high pressure applications. Only one bearing is used in the pump therefore overhung load on shaft bearing reduces the life of the bearing. ...
Cryogenic Pump Turbomolecular Pump
... Mid level vacuum levels (2x10-3 torr) are reached with rotary vane vacuum pumps. These pumps are also know as mechanical or roughing vacuum pumps High level vacuum levels are reached using ...
... Mid level vacuum levels (2x10-3 torr) are reached with rotary vane vacuum pumps. These pumps are also know as mechanical or roughing vacuum pumps High level vacuum levels are reached using ...
Pumps and Primers - International Fire Training Centre
... The rotation of the impeller causes an oval ring of water to be formed around the inside of the housing. At the widest parts of the housing an area of low pressure is formed inside the ring of water. This area is filled by air forced in from the pump by atmospheric pressure. As the ring of water rot ...
... The rotation of the impeller causes an oval ring of water to be formed around the inside of the housing. At the widest parts of the housing an area of low pressure is formed inside the ring of water. This area is filled by air forced in from the pump by atmospheric pressure. As the ring of water rot ...
installation of electric vacuum pump and battery
... Activating the pump is presently (and recommended) done when the vehicle is pre-staged. In most cases at the same time the data recorder is switched on. This will guarantee the pump motor will receive the maximum available battery power. The vacuum line connection to the engine is critical to the op ...
... Activating the pump is presently (and recommended) done when the vehicle is pre-staged. In most cases at the same time the data recorder is switched on. This will guarantee the pump motor will receive the maximum available battery power. The vacuum line connection to the engine is critical to the op ...
Vacuum equipment; components and accessories. Coupling component - joints.
... These simple valves open to give a high conductance but obstructed path. As the flapper remains in the valves bore. They are used above diffusion pumps and in forelines. When mounting this type of valve remember to leave room above and below for the flapper to rotate. See Var.-Q throttling valve. ...
... These simple valves open to give a high conductance but obstructed path. As the flapper remains in the valves bore. They are used above diffusion pumps and in forelines. When mounting this type of valve remember to leave room above and below for the flapper to rotate. See Var.-Q throttling valve. ...
Headline
... The direction of rotation is now defined at the factory, saving the time and costs usually incurred by conventional direction-of-rotation checks, which often resulted in mechanical seal damage if the system was unfilled. Furthermore, the costs for stockkeeping are reduced as the number of sizes to b ...
... The direction of rotation is now defined at the factory, saving the time and costs usually incurred by conventional direction-of-rotation checks, which often resulted in mechanical seal damage if the system was unfilled. Furthermore, the costs for stockkeeping are reduced as the number of sizes to b ...
Vacuum pump
A vacuum pump is a device that removes gas molecules from a sealed volume in order to leave behind a partial vacuum. The first vacuum pump was invented in 1650 by Otto von Guericke, and was preceded by the suction pump, which dates to antiquity.