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fuel nozzles

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Published: 01 January 2006
Fig. 17 Original and improved methods of forming a fuel-nozzle swirl cup for a turbojet engine. (a) Part formed by original method; six press-formed sections welded together. (b) Partly drawn blank ready for rubber-diaphragm forming. (c) Punch of six similar wedge-shaped segments doweled More
Image
Published: 30 August 2021
Fig. 10 (a) Aft face of the combustor; the fuel nozzle ports are shown in the upper background. Note the gouges and recesses (arrows). (b) Scanning electron fractographs of the acoustic sensor collar (X-40 alloy). (c) Scanning electron fractograph of a stage 1 nozzle guide vane leaf seal More
Image
Published: 30 August 2021
Fig. 13 Fretting wear (arrows) of the outer surface of a fuel nozzle where it contacts a support collar (not shown) More
Image
Published: 30 June 2023
Fig. 2 GE Leading Edge Aviation Propulsion (LEAP) engine fuel nozzle. Reprinted from Ref 1 with permission from Manufactur3D Magazine More
Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002164
EISBN: 978-1-62708-188-7
..., including turbine blade cooling holes, turbine vane cooling holes, turbine disk cooling passages, oil passages, and fuel nozzles. It describes the limitations and advantages of the STEM process. The article discusses the various tool parts of the STEM system, including the holding fixture, guide...
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004150
EISBN: 978-1-62708-184-9
... (usually air). For the solid fuels, this normally requires reducing the as-received fuel to a particulate form; this is then injected into the combustion chamber through a nozzle in which some or all of the combustion air is used to transport the fuel prior to ignition. The nozzle itself is designed...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006821
EISBN: 978-1-62708-329-4
.... The modified design was tested to proof load, and subsequent examination by dye-penetrant testing did not reveal any cracking (adapted from Ref 22 ). Case Study 12: Failure Analysis of a Fuel Nozzle During a test flight, a fire warning for the first engine of a four-engine aircraft came on after 12...
Image
Published: 01 January 1993
Fig. 4 Schematic showing cross-sectional view of a spiral equal-pressure mixer. (1) Welding torch head. (2) Oxygen tube from torch head. (3) Acetylene (fuel gas) passages from torch head. (4) Nozzle nut. (5) Welding nozzle cone end. (6) Spiral in welding nozzle. (7) Mixer orifice and mixing More
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003485
EISBN: 978-1-62708-195-5
... applications of MMCs. The applications include ventral fin, fuel access door covers, helicopter blade sleeve, fan exit guide vane, nozzle actuator piston rod, nozzle actuator links, T-1 racks, and hydraulic manifold. aeronautical subsystem application aeropropulsion application aerostructural...
Series: ASM Handbook
Volume: 24A
Publisher: ASM International
Published: 30 June 2023
DOI: 10.31399/asm.hb.v24A.a0006989
EISBN: 978-1-62708-439-0
... critical applications Recent Advancements in Aviation Components Although there are many steps to certifying an AM part for use on an aircraft, there have been many successes in recent years. One part in particular that has garnered much attention is the GE fuel nozzle, shown in Fig. 2 . GE...
Series: ASM Handbook
Volume: 5A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v05a.a0005718
EISBN: 978-1-62708-171-9
... guns are the most common type, using acetylene as the main fuel in combination with oxygen to generate the highest combustion temperatures. The feedstock, or spray material, is usually in the form of powder, wire, or rod. The feedstock is introduced axially through the rear of the nozzle...
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004223
EISBN: 978-1-62708-184-9
... and fuel materials did seriously impact plant availability, economics, reliability, and, in some cases, plant safety. Table 1 presents a brief summary of the corrosion history of LWRs. To quantify the fiscal impact of these types of corrosion incidents on the cost of operating nuclear power plants...
Series: ASM Handbook
Volume: 5A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v05a.a0005737
EISBN: 978-1-62708-171-9
... Abstract This article provides an overview of key thermal spray coatings used in compressors, combustors, and turbine sections of a power-generation gas turbine. It describes the critical components, including combustors, transition ducts, inlet nozzle guide vanes, and first-stage rotating...
Series: ASM Handbook
Volume: 5A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v05a.a0005734
EISBN: 978-1-62708-171-9
... and elevated temperatures Cermet (carbide) composites WC/NiCrSiBC (fused), Cr 3 C 2 /NiCr, WC/Co, FeCrMo, WC/CoCr OFP, PS, HVOF, HVAF, DG Exhaust and blower fans; process or dust-collection cyclones; coal-fired boiler and economizer tubes; TiO 2 processing; gas turbine fuel nozzles, blades, guides...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006824
EISBN: 978-1-62708-329-4
.... The combustor was a single-chamber, annular design. The majority of the worn and cracked components of the combustor assembly were accounted for during disassembly of the turbine, including the collar surrounding the acoustic sensor, ferrules around the fuel nozzles, the combustor baffle, and the bolts joining...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006065
EISBN: 978-1-62708-175-7
... Abstract This article discusses the production of aluminum and aluminum alloy powders with emphasis on the gas atomization method and the atomizing nozzle. It illustrates the particle formation mechanism and details the requisites for particle size distribution, control, and morphology...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001372
EISBN: 978-1-62708-173-3
...) Nozzle nut. (5) Welding nozzle cone end. (6) Spiral in welding nozzle. (7) Mixer orifice and mixing chamber In the injector mixing chamber, low-pressure fuel gas is aspirated by directing it into a high-velocity stream of oxygen. A nozzle system based on the flow principles of the venturi tube...
Series: ASM Handbook
Volume: 24A
Publisher: ASM International
Published: 30 June 2023
DOI: 10.31399/asm.hb.v24A.a0006947
EISBN: 978-1-62708-439-0
... sharing, function integration Design to minimize costs Multiple or graded materials Rethinking Product Architectures Additive manufacturing enables designers to reconceptualize product designs. Some well-known examples include GE fuel nozzle tips for aircraft engines, the GE advanced...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003597
EISBN: 978-1-62708-182-5
... rotor and stator assembly for cooling, crankshaft oil holes, holes in fuel- injection nozzles, and holes in spinnerets. The principle of anodic dissolution has been applied for making such small-diameter deep holes in hard-to-machine materials. This process is also known as shaped-tube electrolytic...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003179
EISBN: 978-1-62708-199-3
... an injector mixer ( Fig. 12 b) to increase fuel gas flow above normal operating pressures. Optimum torch performance relies on proper matching of the mixer to the available fuel gas pressure. Cutting Tips Cutting tips are precision-machined nozzles, produced in a range of sizes and types. Figure 13...