IAE V2500

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V2500
IAE V2500 engine cutaway model 2010 The Sky and Space.jpg
The V2500-A5/D5/E5 has 1 fan; 4 LP and 10 HP compressor stages; 2 HP and 5 LP turbine stages
Type Turbofan
Manufacturer International Aero Engines
First run1987
Major applications
Number builtOver 7,600 (June 2018) [1]

The IAE V2500 is a two-shaft high-bypass turbofan engine built by International Aero Engines (IAE) which powers the Airbus A320 family, the McDonnell Douglas MD-90, and the Embraer C-390 Millennium. [2]

Contents

The engine's name is a combination of the Roman numeral V, symbolizing the five original members of the International Aero Engines consortium, which was formed in 1983 to produce the V2500 engine. The 2500 represents the 25,000- pound-force (110 kN) produced by the original engine model, the V2500-A1. FAA type certification for the V2500 was granted in 1988.

The maintenance, repair, and operations market for V2500 is close to US$3 billion as of 2015. [3]

Development

The 22-blade fan of an A320's V2500-A1 V2500.jpg
The 22-blade fan of an A320's V2500-A1

Rolls-Royce based the 10-stage HP compressor on an 8-stage run in the RB401 in the mid 1970's followed by a 9-stage run in the RJ.500. The V.2500 would use 10 stages, with the first 4 with variable stators, giving a pressure ratio of 20:1. [4] A single-stage booster was also part of the original configuration. Serious handling problems (inability to accelerate without surging) with this arrangement resulted in a redesigned compression system. The pressure ratio was reduced to 16:1 which needed a fifth variable stage and revised blading in the rear stages. [5] Two extra booster stages were required to restore the original overall pressure ratio. [6] A fourth booster stage would be added after the initial variant entered service. Pratt & Whitney developed the combustor and the 2-stage air-cooled HP turbine, while the Japanese Aero Engine Corporation provided the LP compression system. MTU Aero Engines were responsible for the 5-stage LP turbine and Fiat Avio designed the gearbox. [7]

In 1989, its unit cost was US$4.7 million. [8] The 4,000th V2500 was delivered in August 2009 to the Brazilian flag carrier TAM and installed on the 4,000th Airbus A320 family aircraft, an A319. [9] In early 2012, the 5,000th V2500 engine was delivered to SilkAir, and IAE achieved 100 million flying hours. [7] Six years later, in June 2018, over 7,600 engines were delivered and the V2500 achieved 200 million flight hours on 3,100 aircraft in service. [1]

Variants

An IAE V2500 fitted on a Turkish Airlines Airbus A319 Large engine of an airbus.JPG
An IAE V2500 fitted on a Turkish Airlines Airbus A319

V2500-A1

The original version, has 1 fan stage, 3 LP booster stages, 10 HPC stages, 2 HPT stages, and 5 LPT stages. This engine promised better fuel burn on the Airbus A320 than the competing CFM56-5A; however, initial reliability issues, coupled with insufficient thrust for the larger A321, prompted the development of the improved V2500-A5 variant. It first entered service with Cyprus Airways

V2500-A5

A fourth booster stage was introduced into the engine basic configuration to increase core flow. This, together with a minor fan diameter and airflow increase, helped to increase the maximum thrust to 33,000 lbf (147 kN) thrust, to meet the requirements of the larger Airbus A321. [10] Soon, Airbus offered derated versions of the V2500-A5 on the Airbus A319 and Airbus A320, enabling the same engine hardware to be used across all Airbus A320 family aircraft, with the exception of the Airbus A318. The vast majority of V2500s are of the A5 variety.

V2500-D5

This engine retains the configuration of the V2500-A5, but is fitted with different mounting hardware and accessory gearboxes to facilitate installation on the McDonnell Douglas MD-90.

V2500-E5

This engine retains the configuration of the V2500-A5, but is fitted with different mounting hardware and accessory gearboxes to facilitate installation on the Embraer KC-390.

De-rated and increased thrust variants

An IAE V2500 fitted on a Brazilian Air Force Embraer C-390 Apresentacao KC-390 (15576572716).jpg
An IAE V2500 fitted on a Brazilian Air Force Embraer C-390

A number of de-rated, Stage 4 noise compliant engines have been produced from the -A5 configuration, as well as two variants with significant increase in thrust, thus expanding the thrust range from 23,500 lbf to 33,000 lbf:

V2500SelectOne

On October 10, 2005, IAE announced the launch of the V2500Select—later called V2500SelectOne—with a sale to IndiGo Airlines to power 100 A320 series aircraft. The V2500SelectOne is a combination performance improvement package and aftermarket agreement. In February 2009, Pratt & Whitney upgraded the first V2500-A5 to the SelectOne Retrofit standard; the engine was owned by US Airways and had been in use since 1998.

V2500SelectTwo

On March 15, 2011, IAE announced an upgrade option of V2500 SelectOne Engines to the SelectTwo Program. [11] It offers reduced fuel consumption due to a software-upgrade and Reduced Ground Idle (RGI), [12] and is available since 2014 for the V2500-A5 variants.

Applications

Specifications

Data from Type Certificate Data Sheet [13]

General characteristics

Components

Performance

Variants [13]
VariantCertificationTake-Off Thrust Weight T/W BPR [14] Comp. [14] Application [14]
V2500-A1 [14] 1 June 1988110.31 kN (24,800 lbf)2,404 kg (5,300 lb)4.685.4:135.8:1 Airbus A320
V2527E-A514 August 19954.504.8:132.8:1
V2527-A521 November 1992108.89 kN (24,480 lbf)4.44
V2527M-A524 May 1999133.00 kN (29,900 lbf)}5.43
V2522-A510 June 1996102.48 kN (23,040 lbf)4.184.9:1 Airbus A319
V2524-A5
V2530-A529 November 1992140.56 kN (31,600 lbf)5.734.6:135.2:1 Airbus A321
V2533-A514 August 19964.5:1
V2531-E5 [15] 20 June 2015139.36 kN (31,330 lbf)5.684.7:136.2:1 Embraer KC-390
V2525-D529 November 1992111.20 kN (25,000 lbf)2,595 kg (5,721 lb)4.204.8:134.5:1 McDonnell Douglas MD-90
V2528-D5124.55 kN (28,000 lbf)4.714.7:135.2:1

See also

Comparable engines

Related lists

Notes

  1. V2500-A1: 63 in (1.600 m)

Related Research Articles

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References

  1. 1 2 "V2500 Engine". Pratt & Whitney.
  2. "IAE Statement on KC-390 Rollout". IAE International Aero Engines.
  3. "V2500 Engine Overhauls On The Rise As Fleet Matures". MRO Network. 2016-12-12.
  4. "V.2500 orderbook opens",Flight International,16 February 1985,p.17
  5. Flight International,13 June 1987,p.102
  6. "Flow Matching Of The Stages Of Axial Compressors",Rolls-Royce Heritage Trust,Technical Series No 4, ISBN   1 872922 14 7,p.67
  7. 1 2 "History". International Aero Engines.
  8. "V2500 gets major boost from ILFC" (PDF). Flight International. 24 June 1989.
  9. "IAE celebrates delivery of 4,000th V2500 to TAM on the 4,000th A320 family aircraft" (Press release). International Aero Engines. August 28, 2009. Archived from the original on March 10, 2012.
  10. "International Aero Engines / IAE V2500". all-aero.com .
  11. "International Aero Engines Launches SelectTwo Program" (Press release). International Aero Engines. June 20, 2011.
  12. "V2500 SelectTwo". International Aero Engines.
  13. 1 2 "Type Certificate Data Sheet No. IM.E.069" (PDF). EASA. 12 December 2019.
  14. 1 2 3 4 5 "V2500 Product Card" (PDF). IAE. June 7, 2016.
  15. V2500-E5 Product Card