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CLEAN AVIATION SWITCH PROJECT TO ADVANCE HYBRID-ELECTRIC AND WATER ENHANCED TURBOFAN TECH
Tuesday, November 29, 2022
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.Source: Airbus


Source: Airbus


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TOULOUSE, France - A group of aerospace technology companies have announced the formation of a collaborative consortium to develop hybrid-electric and water-enhanced turbofan technology for future aircraft propulsion systems, supported by the European Union Clean Aviation Joint Undertaking (Clean Aviation). MTU Aero Engines AG (MTU), Pratt & Whitney, Collins Aerospace (Collins), GKN Aerospace, Airbus and others aim to demonstrate the potential of these technologies to improve fuel efficiency and reduce aircraft CO2 emissions by up to 25% compared to today's state-of-the-art propulsion systems for short- and medium-range aircraft. The consortium is coordinated by MTU.

The Sustainable Water-Injecting Turbofan Comprising Hybrid-Electrics (SWITCH) project is focused on developing a novel propulsion concept built from two revolutionary and synergetic technologies: Water Enhanced Turbofan (WET) and hybrid-electric propulsion. By combining these technologies with Pratt & Whitney’s GTFTM engine architecture, the SWITCH concept aims to significantly enhance efficiency and substantially reduce emissions across the full operating envelope of an aircraft. Technologies developed as part of SWITCH will be fully compatible with cleaner alternative fuels - such as Sustainable Aviation Fuel (SAF) - and will be evaluated for future use with hydrogen. 

The hybrid-electric GTF powertrain will enable even greater efficiency across all phases of flight by leveraging highly efficient megawatt class electric motor generators, power electronics, and batteries to optimize the performance of the fuel-burning gas turbine. The WET concept recovers water vapor from the engine exhaust and re-injects it into the combustion chamber to significantly improve fuel efficiency, reduce NOx emissions, and lessen contrail forming emissions. These technologies are designed to work together to deliver a step change reduction in emissions and energy use across the full operating system, while maintaining reliability and operability. 

Airbus will provide key expertise relating to the future integration of SWITCH technologies at the aircraft-level and will support the evaluation of performance benefits including aircraft design and integration of battery and energy management systems.

Collins will provide megawatt-class electric motor generators and power electronics, high-voltage DC distribution and protection, thermal management components and nacelle architectures for the project.

GKN Aerospace will develop various engine structures with all-new functionalities, such as integrated electric machines and heat exchangers.

Current funding for Phase 1 of SWITCH extends to 2025 and will include testing of a hybrid-electric GTF engine, WET technology and sub-system laboratory testing, and design activity around an integrated hybrid-electric and WET cycle propulsion system. Subject to successful testing of these key technologies and component designs, further phases of ground testing and flight tests are expected to follow.

Clean Aviation is a public-private partnership co-funded by the European Union between the European Commission, the aerospace industry, and research institutes, dedicated to advancing transformational aircraft technologies which will help enable net zero emissions for aviation by 2050.

Source:  Airbus

 
BRAZIL SELECTS CENTAURO II TO FULFILL 8X8 CAVALRY REQUIREMENT
Tuesday, November 29, 2022
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Brazil Selects Centauro II

.Source: Iveco


Brazil Selects Centauro II

Source: Iveco


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SANDY HOOK, Conn. - In a deal prospectively worth in excess of $2 billion, the Brazilian Army has officially selected the Centauro II to fulfill its 8x8 fire support vehicle requirement in partnership with Iveco-Oto Melara and Leonardo.

Officially designated the Wheeled Armored Medium Cavalry Vehicle (Viatura Blindada de Cavalaria Média Sobre Rodas (VBC Cav - MSR 8x8), the Brazilian variant will be outfitted with a 120mm armament rather than the originally reported 105mm configuration. Although order quantities have not yet been officially announced, Brazil has previously outlined plans to acquire 98 vehicles by 2038 and 220 in total.

The Centauro II emerged victorious over an extensive list of competitors including theGeneral Dynamics Land System's LAV 700 with a Cockerill turret, Hanwha's Tigon, NORINCO's ST-1, the Ares-Elbit Systems Eitan, and the Tata Motors Kestrel.

Source:  Forecast International
Associated URL: Click here to visit
Author: T. Dolzall, Latin America Analyst 

 
ASSESSING THE RISKS OF THE TEMPEST PROGRAM
Thursday, November 17, 2022
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Tempest

.Source: BAE Systems


Tempest

Source: BAE Systems


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LONDON - The Tempest programme, within the envisaged Future Combat Air System (FCAS), is of multi-dimensional importance, involving British military capability, advanced technology development, operational independence, international standing and relationships, economic prosperity and long-term defence industrial capability. Four years after the announcement of the programme, this paper is to assess the national and international progress on Tempest on five fronts: capability requirements; technology; government-industry relations; international partnerships; and cost control and digitisation.

The first of the five areas of central progress involves the generation of prudent and relevant requirements that match aspiration with the funds, time and technology available, bearing in mind the capabilities of potential adversaries, the demands of the need to deter and the scale and duration of any potential future conflict.

The second area focuses on the need to generate technological progress across the aircraft’s power and propulsion system, its avionics, sensors and data systems, and its missiles and other effectors. Essentially, this requires de-risking activities to control the technology hazards inherent in a project of this nature - as well as the training and employment of a cohort of competent digital technology workforces.

Third, based on lessons learned from previous programmes, the government has opted to pursue Tempest using highly collaborative relationships with the UK private sector. Four key lead firms (BAE Systems, Rolls-Royce, Leonardo UK and MBDA Missile Systems) were identified at an early stage, with over 580 other UK firms and academic institutions having since joined the wider supply chain in collaboration with Team Tempest partners. If open, transparent and honest relationships and a shared appreciation of risks can be maintained among these entities, the outlook for the project will remain positive. This openness will clearly need to be reconciled with a tight security system to protect the programme from external threats.

Fourth, because this was never going to be solely a UK project, collaborative relations with other governments will be of central importance, with Italy, Japan and Sweden having evolving links to the programme. The paper provides a summary of developments and the state of affairs in autumn 2022.

Finally, the successful delivery of Tempest will require breaking the trend of major intergenerational cost increases in real terms for combat aircraft (which incidentally is a trend that marks other major military platforms). The UK has the ambition of at least levelling this cost increase curve and is stressing the importance of pace of delivery in the project. Central to success in this aspiration is a realistic, de-risked requirement set, and the widespread application of digital engineering and what is sometimes referred to as Industry 4.0. This also implies significant changes in the way that the Ministry of Defence’s own safety and digital-verification authorities operate.

***Please click the link below to read the full white paper.**

Source:  Royal United Services Institute for Defence and Security Studies
Associated URL: Click here to visit
Author: Trevor Taylor with Isabella Antinozz 

 

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