| 词条 | Rolls-Royce Trent 500 | |||||||||||||||
| 释义 |
The Rolls-Royce Trent 500 is a high-bypass turbofan aircraft engine, developed from the Rolls-Royce RB211 and is a member of the Trent family of engines. Design and developmentIn 1995, Airbus began considering an engine for two new long-range derivatives of its four-engined A340 aircraft, designated A340-500/-600. The existing -200 and -300 models were powered by CFM International CFM56 engines. However, the CFM56 was at the limit of its development capability, and would be unable to power the new A340-500/-600. In April 1996, Airbus signed an agreement with General Electric to develop a suitable engine, but decided not to proceed when General Electric demanded an exclusivity deal on the A340. After a contest with Pratt & Whitney, Airbus announced on 15 June 1997 at the Paris Air Show that it had selected the Trent 500 to power the A340-500 and -600.[1] The Trent 500 first ran in May 1999 and achieved certification in December 2000. It entered service on the A340-600 with Virgin Atlantic Airways in July 2002 and on the ultra-long range A340-500 with Emirates in December 2003.{{Efn|Air Canada had been expected to be the launch customer for the A340-500 in May 2003, but just before this on 1 April 2003 the airline filed for bankruptcy protection which resulted in delivery of its two A340-500s being delayed. This allowed Emirates to be the first airline to operate the type.{{Citation needed|date=February 2017}}}} After production of the Airbus A340 ended in 2011, a total of 131 A340-500/-600 have been delivered with 524 Trent 500 engines altogether; Lufthansa is the largest operator, with 24 delivered A340-600.[2] The Trent 500 powers the Airbus A340-500 and A340-600.[3] It was certificated at {{convert|60000|lbf|kN|abbr=on}} thrust, but derated to {{convert|53000|lbf|kN|abbr=on}} as the Trent 553 to power the A340-500, and to {{convert|56000|lbf|kN|abbr=on}} as the Trent 556 for the A340-600 and A340-500HGW. However, a {{convert|60000|lbf|kN|abbr=on}} version is installed in the A340-600HGW (High Gross Weight), a higher-performance version of the A340-600. The Trent 500 has the same wide-chord fan as the Trent 700, together with a core scaled from the Trent 800. Applications
Specifications (Trent 556){{jetspecs| |ref = [4][5][6] |type = Three-shaft high bypass ratio turbofan engine |length = {{convert|155|in|m|abbr=on}} |diameter = {{convert|97.4|in|m|abbr=on}} |weight = {{convert|10,660|lb|kg|abbr=on}} |compressor = Single-stage fan, eight-stage intermediate pressure compressor, six-stage high pressure compressor |combustion = Tiled annular combustor with 20 fuel injectors |turbine = Single-stage high pressure turbine, single-stage intermediate pressure turbine, five-stage low pressure turbine |fueltype = |oilsystem = |thrust = 56,000 lbf (249 kN) |compression = 36.3:1 |bypass = 7.6:1 |aircon = 1,939 lb/s (879 kg/s) (inlet mass flow) |fuelcon = |specfuelcon =0.54 lb/(lbf hr) (at cruise) |thrust/weight = 5.25:1 }} See also{{Aircontent|related=
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|see also= }} References
1. ^{{cite web|title=Airbus A340-600|url=http://www.flug-revue.rotor.com/frtypen/FRA34060.htm|website=Flug Revue|accessdate=12 February 2017|archiveurl=https://web.archive.org/web/20090903005751/http://www.flug-revue.rotor.com/frtypen/FRA34060.htm|archivedate=3 September 2009|language=English, German|date=21 March 2000|quote=Concrete studies began in April 1996, when Airbus and General Electric signed an exclusive agreement to study engine requirements for a stretched A340. GE pulled out in February 1997, but Rolls-Royce came in with an offer for the Trent 500, and this engine was confirmed on a non-exclusive basis in June 1997.}} 2. ^{{cite web |url=http://www.airbus.com/company/market/orders-deliveries/?eID=dam_frontend_push&docID=39444 |title=Airbus Orders & deliveries |format=Excel |publisher=Airbus |accessdate=12 July 2014 |deadurl=yes |archiveurl=https://web.archive.org/web/20140714123234/http://www.airbus.com/company/market/orders-deliveries/?eID=dam_frontend_push&docID=39444 |archivedate=14 July 2014 |df=dmy-all }} 3. ^{{cite news | title = Press Packs | publisher = [Rolls-Royce] | date = February 2002 | url = http://www.rolls-royce.com/media/packs/200702-civilaerospace.pdf | accessdate = 2008-12-05 | deadurl = yes | archiveurl = https://web.archive.org/web/20071023084910/http://www.rolls-royce.com/media/packs/200702-civilaerospace.pdf | archivedate = 23 October 2007 | df = dmy-all }} 4. ^Gas Turbine Engines. Aviation Week & Space Technology 2009 Source Book. pg. 122. 5. ^{{cite web|title=Trent 500|url=http://www.rolls-royce.com/Images/brochure_Trent500_tcm92-5737.pdf|publisher=Rolls-Royce plc|accessdate=4 February 2017|archiveurl=https://web.archive.org/web/20120531131612/http://www.rolls-royce.com/Images/brochure_Trent500_tcm92-5737.pdf|archivedate=31 May 2012|language=English|format=PDF|date=2009}} 6. ^{{cite web|title=Trent 500 infographic|url=http://www.rolls-royce.com/products-and-services/civil-aerospace/products/civil-large-engines/trent-500/trent-500-infographic.aspx|publisher=Rolls-Royce plc|accessdate=4 February 2017|archiveurl=https://web.archive.org/web/20160415044906/http://www.rolls-royce.com/products-and-services/civil-aerospace/products/civil-large-engines/trent-500/trent-500-infographic.aspx|archivedate=15 April 2016|language=English|date=2 October 2014}} External links{{commons category}}
3 : High-bypass turbofan engines|Rolls-Royce aircraft gas turbine engines|Turbofan engines 1990–1999 |
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