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INS Kalvari commissioned into Indian Navy December 14। Prime Minister Modi ceremonially inducted the Scorpene class boat in Mumbai। Built by state-run MDL with French collaboration, Kalvari is the first submarine inducted after 2000। Modi described the Kalvari as a fine example of Make in India। Five more Kalvari Class submarines are to be commissioned over the next couple of years। India Celebrates Navy Day। India Strategic Salutes the Indian Navy। UAE decides to upgrade its fleet of Mirage 2009 combat jets। Boeing, Emirates announce commitment for 40 Boeing 787-10 aircraft worth $15 billion। Russian Helicopters signs deal for undisclosed number of Mi-17 1A2 Helicopters to India’s Vectra Group। Terror attack in New York’s Lower Manhattan kills 8 injures at least 15। An Uzbek, the terrorist mowed cyclists and pedestrians with a hired pickup truck। He was shot and captured, and notes recovered him indicated loyatly to ISIS। He is 29, came to the US in 2010, and married an Uzbek woman there। India marks 85th Indian Air Force Day। Chief of Air Staff Air Chief Marshal BS Dhanoa says IAF working towards ‘Technology Intensive’ capability। For the first time, indigenous LCA Tejas takes part in IAF Day Flypast । IAF will issue RFI for 114 single engine combat aircraft within two weeks or so । RFI will go to Lockheed Martin for F 16 and Saab for Gripen for their latest variants । IAF aims to get 18 aircraft in 4-5 years, and 96 more in progressive manufacture from then onwards । Capability will be the first parametre for selecting the aircraft, and then the price । The selected aircraft will have more capabilities than those specified in the 2007 RfP for MMRCA ।
December 17, 2017
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Pratt & Whitney Successfully Tests Next-Generation Pure Power® Geared Turbofan™ Technology as Part of FAA Sustainability Programme

October 2017
 

Pratt Whitney Turbofan
Pratt & Whitney successfully demonstrates next-generation Pure Power® Geared Turbofan™ technology on the test stand at its facility in West Palm Beach, Florida

EAST HARTFORD, Conn., October 12, 2017: Pratt & Whitney, a division of United Technologies Corp., recently completed more than 175 hours of ground testing of a next-generation Geared Turbofan (GTF) engine propulsor technology as part of the Federal Aviation Administration’s (FAA) Continuous Lower Energy, Emissions and Noise (CLEEN) programme, an FAA NextGen initiative to accelerate the development of environmentally-friendly aircraft technologies.

The full-scale test, conducted in West Palm Beach, Fla., marks 10 years since Pratt & Whitney first successfully demonstrated the GTF, a revolutionary new engine that delivers 16 percent better fuel efficiency, 50 percent lower nitrogen oxide emissions to the regulatory standard and a 75 percent smaller noise footprint.

This advancement builds on the completion of 275 hours of fan rig testing of the technology in 2014 and 2015. The demonstrator used an existing development engine from a certified Geared TurboFan product to validate the performance capability of a second-generation, ultra-high bypass fan design. The engine successfully operated in a design space never before demonstrated with significantly fewer lower-pressure ratio blades than the current production engine, and a shorter duct inlet. The rig and engine tests are expected to demonstrate a suite of technologies that will help reduce fuel burn by an additional 2 percent.

Pratt Whitney Turbofan
A key element in the technology maturation is the development and application of highly-integrated United Technologies Computational Fluid Dynamics (CFD) tools, which provide accurate predictions and design guidance to enable rig-to-engine scalability and optimized performance. A comprehensive aerodynamic, aeromechanical and acoustic test programme showed the technology contributing significantly to meeting FAA CLEEN programme goals, demonstrating again UTC’s leadership in technology and manufacturing.

“The success of this ground test is an important step in taking our Geared Turbofan engine technology to the next level,” said Alan Epstein, vice president of Technology and Environment for Pratt & Whitney. “We are working to make sure the next generation GTF engine – already a game-changer – remains on the cutting edge of performance and sustainability.”

Pratt & Whitney continues to advance the compressor and turbine technology in collaboration with the FAA as part of the CLEEN II programme, a follow-on programme that develops and demonstrates aircraft technology and alternative jet fuels.

The CLEEN programme is an FAA initiative to accelerate the development of environmentally friendly aircraft technologies. The programme is part of the FAA’s Next Generation Air Transportation System (NextGen) strategy and focuses on the reduction of aircraft noise, emissions and fuel burn. For more information on the CLEEN programme, visit the FAA.

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