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Topic: Inlet cones

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	Inlet cone - Wikipedia, the free encyclopedia
		With increasing mach number the cone is not moved out of the inlet as it would make sense for the external compression, but inwards, because the cone sits in the cowl like a plug: By moving it inwards the path between the cone and the inlet narrows as it is needed for higher speed.
		The cone is moved in and out of the pitot intake controlled by a computer with temperature and pressure sensors in the intake to match the throat to the mach number.
		The boundary layer on the cone is strechted as it moves up the cone preventing separation, but for the internal compression and the subsonic compression the bondary layer still tends to separete and usually is sucked through tiny holes in the wall.
	en.wikipedia.org /wiki/Inlet_cone (1305 words)

	Transfer line exchanger inlet cone - Patent 4161192
		The inlet cone of claim 1 wherein the number of said filled apertures is four, and each is equispaced in its respective quadrant of said generally conical wall.
		When the interior of modified inlet cone 11' is quenched, the uncut portions of wall 25 are still subject to cracking, but the flow pattern of the process gas is not adversely affected.
		The modified transfer line exchanger inlet cone 11' of the present invention passes gases from the outlet side 10 of a hydrocarbon cracking heater to the tube side of a heat exchanger 12.
	www.freepatentsonline.com /4161192.html (2544 words)

	Creel - Patent 5531392
		Each cone holder pair has its own yarn guide tube through which yarn on each holder of the pair may be fed. A warper is a machine having a large spool, known in the art as a beam, on which yarn is wound and which subsequently supplies the yarn to a tufting machine.
		The central portion of each cone holder is welded to the creel post 22, and each of the legs is connected to a wire form 28 on which a yarn cone 30, about which yarn 32, is wound may be frictionally held.
		The guide tubes associated with the other yarn cones of the group are removed from the creel and replaced by eyelets 36, 38, in the form of short plastic tubes or the like, each eyelet 36, 38 being disposed vertically for receiving a respective yarn strand from a corresponding cone holder.
	www.freepatentsonline.com /5531392.html (1825 words)

	PowerPedia:Jet Engine - PESWiki
		The main purpose of an inlet cone is to slow down the flow of air from supersonic flight speed to a subsonic speed, before it enters the engine.
		The inlet cone is shaped so that the shock wave that forms on its apex is directed to the lip of the intake; this allows the engine to operate properly in supersonic flight.
		As a result, some inlet cones are designed to move axially to maintain the shock-on-lip and allow efficient operation over a wider range of flight speeds.
	peswiki.com /index.php/PowerPedia:Jet_Engine (6649 words)

	Gas Turbine Inlet Air Cooling (Site not responding. Last check: 2007-10-30)
		The control system automatically terminates fogging whenever there is any chance of inlet icing due to the static temperature depression that occurs in the bellmouth due to the acceleration of the air to mach number of about 0.5 for heavy-duty gas turbines and 0.8 for aeroderivatives.
		There is some issue of larger water particles forming on the trash screen and inlet cone of the gas turbine, but with proper design and drainage this can be minimized.
		In most cases, this can be minimized by careful location of fogging nozzles, avoidance of excessive water accumulation on ducts and inlet cones, and the use of appropriate drain systems at the nozzle manifold locations, intermediate ductwork, and at the floor of the bellmouth section of the gas turbine.
	www.meefog.com /turbine/gtps-faq.html (830 words)

	Daltec Industries \| High Pressure Fans
		Inlet Box - Each inlet box is designed specified to the performance requirements and ensures an efficient airflow entry with a minimum pressure loss.
		Inlet Cone - Our streamlined cone designs are specific to the fan type and size and allows efficient entry of the airflow into the fan impeller.
		Variable inlet vain type dampers are also available and can be fitted within the inlet boxes or inlet cones.
	www.daltecfans.com /heavydutycentrifugal.shtml (755 words)

	[No title]
		Inlet plates are to be of heavy gauge reinforced steel construction.
		The inlet plates shall be welded to the heavy structural angle frame to form an integral unit.
		The inlet plate incorporates a removable spun inlet cone designed for smooth airflow into the accompanying venturi-shaped inlet cones of the fan steel.
	www.sandia.gov /engstds/ConstSpecs/Special/NGF/15854_Custom_Air_Handling_Units.doc (3982 words)

	JELAC/Pogo - Appendix C
		Supersonic inlets (other than those for supersonic combustion ramjets (scramjets)) are designed to shock the air down to subsonic speeds while increasing air pressure.
		This difference between aircraft requiring movable inlets and vehicles with fixed inlets was considered carefully as a possible explanation for the difference of opinions on the performance capability of a Pogo.
		Highly complex and efficient jet engine inlets will not be required for the Pogo to achieve velocities in excess of Mach 2.5 and altitudes in excess of 80,000 ft. Simple inlets, such as those on the Bomarc missile or the F-104, are expected to be more than sufficient for a first generation Pogo.
	www.alt-accel.com /pogo/pogapndc.htm (1011 words)

	Blowtech Air Devices Pvt Ltd
		If a fan is mounted inside a box, the inlet should have the same axis as that of fan inlet to avoid swirl or spinning of air.
		Also the clearance at fan inlet should be atleast 0.5 x wheel diameter.
		Inlet cones should be properly aligned with impeller inlet axis to minimize turbulence and noise.
	www.blowtechair.com /techtips.htm (499 words)

	I. Matheson & Company Ltd.: Custom Design & Manufacturing (Site not responding. Last check: 2007-10-30)
		The inlet cone section seen above was a specialized job completed at our New Glasgow plant.
		The cone was manufactured for an international customer involved in the generation of electricity.
		The specialized cone was built to an exacting set of specifications and is presently in use in the filtering process of a power generating facility.
	www.imco.ns.ca /Custom_Design.htm (247 words)

	edie+ Library Treating seasonal algal blooms (Site not responding. Last check: 2007-10-30)
		Due to eutrophication of many reservoir sources, the trend is for algal loads to increase, and existing single stage (direct filtration) plants are becoming unable to operate reliably during summer months.
		Conversion of existing filters to the process involves the installation of a new inlet channel which, depending on the layout and size of the filter, may be positioned across the centre or along a side wall.
		Inlet cones, the design of which have been optimised using CFD to maximise inlet distribution while minimising headloss, are arranged on a number of distribution laterals fed from the inlet channel.
	www.edie.net /library/view_article.asp?id=1815 (796 words)

	Fan rings (Site not responding. Last check: 2007-10-30)
		The use of roll forming techniques to create flange and inlet cone enables Geha to supply fan rings that combine low weight with high stability.
		The ellipsoid shape of the inlet side guarantees an aerodynamic air flow, less turbulence and therefore reduced noise levels.
		Fan ring can be fitted with various standard inlet cones and fixing points for fan and motor support.
	www.geha-holland.nl /fan.html (171 words)

	ventopruk
		Appropriately sized inlet cones, made with die formed galvanised steel, are available.
		A smaller range of glass fibre reinforced polyamide, 8 bladed wheels is available, with appropriate galvanised steel inlet cones, to cover the smaller diameter range (180, 200 and 225 mm).
		units are sold as a ready to fit kit of wheel and mating inlet cone, made with die formed galvanised steel.
	www.nicotra.com /nicframe-uk/ventopruk.htm (325 words)

	Alan's Rocket Pages - My Fleet, Apogee SR-72 (Site not responding. Last check: 2007-10-30)
		Since the nose cones were still not in sight, Tim has produced the kit with a vac-formed nose cone and a coupon good for a replacement injection-molded (he's still waiting) or balsa (in stock) nose cone.
		The vac-formed nose cone and base look very good, and the only question about it (according to Tim) is how well it'll hold up to the inevitable crashes any boost glider is subject to.
		Once the inlet cones have fully set, I'll be punching holes in the outboard tubes so they can be attached using glue 'rivets' for a stronger bond with the wings, wingtips and rudders.
	my.execpc.com /5F/F5/arrognli/rockets/sr-72.html (1303 words)

	TOWN OF PONCE INLETDEPARTMENTS (Site not responding. Last check: 2007-10-30)
		Physical fitness is an important component of our training program and our firefighters stay in shape by running the steps of the Ponce Inlet Lighthouse or by pumping iron and swimming laps at one of the community's condominiums.
		This allows Ponce Inlet to continue to provide the personal touch of a small community fire department, with the available resources of a larger metropolitan fire company.
		The Ponce Inlet Police Department is dedicated to bringing the highest caliber of law enforcement possible to our residents and visitors.
	www.ponce-inlet.org /safety.htm (1207 words)

	Centrifugal Fans
		Contracted elastic connections on the inlet side or sharp bends should be avoided, especially in connection with cylindrical inlets.
		The inlet cone is normally made from the corrosion resistant aluminium alloy AlMg3.
		In explosion proof designs cut-off, inlet cone and impeller are made of AlMg3, which in the absence of steel causes no sparking due to friction or impact.
	www.wittfan.de /english/techinf_centrifugal.html (2367 words)

	Expansion Chamber (Site not responding. Last check: 2007-10-30)
		This type of expansion chamber is the simplest to use, as it is installed between the ASA adapter on the gun and the tank, with no bottomline or other adapters required.
		The one in the face of the narrow end of each cone seals the bottom cone against the bottom piece, and the two center cones against each other.
		To obtain maximum efficiency from a horizontally mounted Sub Zero, the internal cones can be positioned so that the vent holes are all facing up when the chamber is mounted on the gun.
	stinggroup.addr.com /xchamber.html (1481 words)

	Sr-71 [Archive] - PPRuNe Forums
		The inlet converts the considerable dynamic pressure of its fairly small airflow to static pressure at the engine inlet face.
		The cones would slow down the intake air, ideally to subsonic speeds that the core turbojet could handle.
		Once hypersonic the cones retreat into the intakes and the shock wave from the back edge of the cone becomes trapped in the intakes and this generates very high pressures which are then bypassed around the core turbojet into the afterburner.
	www.pprune.org /forums/archive/index.php/t-194868.html (942 words)

	Yellowstone Cross Country Skiing - Norris
		Because there is not a constant flowing inlet and outlet, conditions are poor for spawning, leaving the lake barren offish.
		Mud cones also will form when the mud is thick, only to dissolve into mud pots when excess moisture is present.
		It is a IO-foot-tall cone formed in a thermos bottle shape, with a narrow diameter vent.
	www.yellowstonenationalpark.com /crosscountrynorris.htm (1486 words)

	Case Info - Sinus Cones - Breathe Well, Sleep Well
		Your Sinus Cones™ have given me instant relief and allowed me to breathe freely without any discomfort.
		The gentle pressure of Sinus Cones™ opens the restriction, improves airflow and makes breathing easier, more symmetric and comfortable.
		In some people, the cartilages are not rigid enough to combat this force and pathologic nasal valve collapse occurs on one or both sides.
	www.sinuscones.com /code/caseinfo.htm (220 words)

	Fans
		If an elbow is installed near the outlet of a centrifugal fan, have it turn in the same direction as the fan impeller.
		_ If a centrifugal fan with inlet guide vanes is to be retrofitted with a VFD, remove the inlet vane assembly from the fan inlet and replace it with a smooth bell mouth in order to improve efficiency.
		Variable-frequency drives_also known as variable-speed drives or variable-frequency inverters_use electrical waveform modification to vary the voltage and frequency of the alternating current that drives the motors.
	www.mge.com /business/saving/madison/PA_32.html (1875 words)

	Welcome to Foley Industrial Engines, Inc.
		Alternately measure the distance between the stop pins located on the purifier inlet / outlet cones to determine the required cut length.
		Alternately arc or mig welding can be used to weld the exhaust purifier inlet/outlet cone directly to the engine exhaust pipe.
		Use a backpressure gauge/manometer (0 to 40” H20 range) to measure the exhaust gas flow restriction.
	www.foleyengines.com /forms-exhaustpurifier.html (727 words)

	About Turkey - Cappadocia Tours :: Nemrut Tours :: Turkey Tours :: Hotels
		The ruins of the ancient Greek city of Assos, now known as Behramkoy, are laid around a rocky hillside, facing the narrow ocean inlet which separates this stretch of the ancient Troad from the Greek island of Lesbos.
		Wind and weather have eroded the soft volcanic rock into hundreds of strangely shaped pillars, cones and "fairy chimneys", often very tall, and in every shade from pink through yellow to russet browns.
		Goreme Town is sitvaled in the middle of the valley cones and fairy chimneys.
	www.nesetour.com /about-turkey.htm (5479 words)

	Fluid & Acoustic Ltd: Forensic Engineering Case Studies (Site not responding. Last check: 2007-10-30)
		The starting point of the project was to interview all personnel involved and to sift through and examine the physical remains of the wax plant furnace to ascertain the cause.
		The investigation demonstrated that the fire resulted from the failure of the support lugs of an air inlet cone in a centrifugal forced draft fan.
		All of them were broken into two parts with one half welded to the air inlet cone and the other half bolted into the casing of the fan.
	www.stoneman.co.uk /casehistories.html (1981 words)

	GT Exhaust Systems Inc.: Dual Inlet
		Recommended for use where ambient noise levels are low and a high degree of silencing is required.
		Silencers are designed for use in areas where ambient noise levels are very low, and high or critical grade silencing is required.
		Silencers are designed for use in areas where ambient noise levels are very low,and high or critical grade of silencing is required.
	www.gtexhaust.com /showDivision.sp?cat=45_56 (160 words)

	Crater Lake National Park: General Information (1942)
		Crater Lake is the deepest lake on the continent of North America and fifth deepest lake in the world.
		The lake has no direct inlet and outlet, yet it is a body of fresh water.
		There are scores of lava tubes or caves, some of which are open to visitors.
	www.nps.gov /crla/geninfo1942/info9.htm (784 words)

	Glacier Bay National Park and Preserve - Glacier Bay Birds (U.S. National Park Service)
		Small to medium-sized colonies of gulls, guillemots, puffins, and cormorants disperse along park shores, especially in the northern half of Glacier Bay, Cross Sound and the southern portion of the outer coast.
		Large flocks of phalaropes, molting sea ducks, and foraging gulls are prominent summer residents, while flocks of loons, gulls, murrelets, and sea ducks dominate the winter scene.
		Large mixed flocks of pine siskins, redpolls and chickadees feed on alder cones and grass seeds.
	www.nps.gov /glba/naturescience/birds.htm (683 words)

	Experimental and Spy Planes: Lockheed SR-71 Blackbird
		Also unique were the moveable shock cones, or spikes, in the engine air intakes.
		At supersonic speeds, the spikes were positioned so that their shock waves fell within the inlet.
		At Mach 3, the inlet pressure wave actually produced more thrust than the jet engine itself.
	www.factmonster.com /spot/lockheedsr71.html (481 words)

	Thomas Corke
		This experiment utilizes the Mach 8 Variable Density Tunnel (M8VDT) at NASA Langley Research Center to study instabilities leading to transition to turbulence on cones with an elliptic cross-section.
		The cone is designed to fit completely within the quiet zone region.
		It also is designed to be placed at angles of attack of up to 5 degrees.
	www.nd.edu /~ame/facultystaff/Corke,Thomas.html (935 words)

	Chapter Novennial <i>to</i> Nucleus of N by Webster's Dictionary (1913 Edition)
		A short tube, usually tapering, forming the vent of a hose or pipe.
		A short outlet, or inlet, pipe projecting from the end or side of a hollow vessel, as a steam-engine cylinder or a steam boiler.
		A jag, or snag; a knob; a protuberance; also, the point or gist, as of a story.
	www.bibliomania.com /2/3/257/1205/23456/4.html (223 words)

	Ben Rich - Wikipedia, the free encyclopedia
		In December 1954 Rich was seconded to the Skunk Works, the secret research and development section run by Lockheed's chief engineer Clarence "Kelly" Johnson.
		There he designed the inlet ducts for the U-2 spyplane.
		Later, as Johnson's successor as leader of the Skunk Works, Rich championed the early prototypes of stealth technology and led the development of the F-117 stealth fighter
	en.wikipedia.org /wiki/Ben_Rich (514 words)

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