Tech
What role will electric planes play in the future of aviation?
By lowering pollution and operating expenses, electric aircraft have the potential to revolutionise the aviation sector. But before electric aircraft can become a regular sight in the skies, there are still a number of issues that must be resolved.
The development of batteries with adequate power to give enough range for commercial flights is one of the major problems. Despite recent major advancements in battery technology, long-haul flights still demand an energy density that is not currently provided by batteries.
Creating the infrastructure needed to support electric aircraft is another difficulty. In order to allow planes to recharge their batteries, charging stations will need to be constructed at airports and along flight paths. Infrastructure upgrades will be necessary, and they could take some time to complete.
Despite these difficulties, numerous businesses are already working on and testing electric aircraft. Electric aircraft are most likely to be employed in the near future for short-haul travel, where they may significantly reduce emissions and save money. It’s likely that electric aircraft will someday be used for longer trips as battery technology advances.
Ultimately, despite the fact that there are still a number of issues to be resolved, electric aircraft have the potential to play a significant role in the development of aviation by lowering operating costs and emissions.
Aerospace
EasyJet and Rolls-Royce hydrogen research project sets new world industry
In its hydrogen research project, Rolls-Royce today announced the achievement of yet another significant milestone, a first for the entire world of industry.
In order to power a variety of aircraft, including those in the narrow-body market sector, starting in the mid-2030s, Rolls-Royce and its partner easyJet are dedicated to being at the forefront of the development of hydrogen combustion engine technology.
In collaboration with the German Aerospace Centre Deutsches Zentrum für Luft- und Raumfahrt (DLR) and the UK’s Loughborough University, Rolls-Royce has now successfully demonstrated a crucial engine technology that represents an important step forward in the development of hydrogen as an aviation fuel.
Tests on a Pearl 700 engine running on 100% hydrogen at DLR in Cologne have demonstrated the fuel’s ability to burn at circumstances that correspond to maximum take-off thrust.
The development of effective improved fuel spray nozzles to regulate combustion has been essential to that accomplishment. Given that hydrogen burns significantly hotter and faster than kerosene, this required considerable engineering problems to be overcome. A novel method that gradually blends air with hydrogen to control the fuel’s reactivity allowed the new nozzles to regulate the flame location. The operability and emissions of the combustor met expectations, which is a positive outcome for Rolls-Royce.
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Before the final full-pressure combustor tests were conducted at DLR Cologne, the individual nozzles were initially examined at intermediate pressure at Loughborough’s freshly renovated test facilities and at DLR Cologne.
The hydrogen program’s combustion component is now well understood as a result of these recent tests, but work is still being done on the systems that will deliver the fuel to the engine and combine those systems with an engine.
As Rolls-Royce and easyJet get ready for the next phase of testing, a full gas hydrogen ground test on a Pearl engine, they will now take the lessons learned from the Boscombe Down tests and apply them to the technologies tested at Loughborough and DLR. The next step will be a comprehensive ground test of a Pearl engine using liquid hydrogen; easyJet and Rolls-Royce both want to eventually fly with the technology.
Aerospace
Airbus unveils PioneerLab as its new twin-engine flying laboratory
Airbus Helicopters introduced the PioneerLab, a new twin-engine technology demonstrator built on the H145 platform, during the German National Aviation Conference in Hamburg. It completes Airbus’ FlightLabs lineup and focuses on researching and testing innovations in the fields of reducing helicopter emissions, boosting autonomy, and incorporating bio-based materials.
The PioneerLab’s hybrid electric propulsion system and aerodynamic modifications are intended to show a fuel savings of up to 30% when compared to a standard H145. Airbus Helicopters will test structural elements made of bio-based and recycled materials in flight on the demonstrator in an effort to minimise the environmental impact of the full aircraft life cycle.
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The business plans to create the new components using procedures that increase recyclability while consuming less energy and material. The latest digital technology will be included into the flight control system and related sensors of the aircraft as part of ongoing research efforts to improve autonomy and safety during crucial flight phases like takeoff and landing.
Through its national research programme LuFo, the BMWK, the Federal Ministry for Economic Affairs and Climate Actions in Germany, co-funds PioneerLab in part. The FlightLabs of Airbus Helicopters offers flexible and effective test platforms for speedy technology evaluation. They fit into the company’s plan to develop technologies for new platforms while also making small improvements to its visible products.
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The manufacturer’s largest German facility in Donauwörth has already started the PioneerLab flight campaign, with the first technological component tested on board the demonstration being a rotor strike alarm system. The system’s automatic take-off and landing will be tested in the following phase.
Aerospace
Boeing’s Mission to Defend the Skies: Advancing Hypersonic Interceptor Technology for National Security
In a four-year effort, Boeing will develop and test technology for a hypersonic interceptor prototype for DARPA’s Glide Breaker programme. During flight tests, Boeing will do computational fluid dynamics analysis, wind tunnel testing, and study of aerodynamic jet interaction effects.
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According to Gil Gryphon, executive director of Boeing Phantom Works Advanced Weapons, “Hypersonic vehicles are among the most dangerous and rapidly evolving threats facing national security.” “We’re concentrating on the technological understanding required to further advance our country’s counter-hypersonic capabilities and defend against upcoming threats.”
A threat traveling at least five times the speed of sound in the upper atmosphere during what is known as the “glide phase” of flight may be destroyed with the help of a hypersonic interceptor, which is what Glide Breaker is designed to do. Future operational glide-phase interceptors equipped to defend against these complex and developing hypersonic threats will be built on the development and testing conducted by Boeing.
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According to Gryphon, “this stage of the Glide Breaker programme will evaluate how system performance at extreme speed and altitude in a representative digital environment is affected by factors like hypersonic airflow and firing jet thrusters to guide the vehicle.” We’re using cutting-edge technology to intercept an exceedingly fast object in a highly dynamic environment.
Aerospace
Why is Russia covering combat jets with car tyres?
Russia has adopted an unconventional approach to safeguard its combat aircraft, with car tyres. In an effort to prevent potential drone attacks from Ukraine on its military installations. Maxar satellite images show two Tu-95 long-range bombers covered in car tyres at Engels Airbase, around 500 kilometers from Ukraine.
Theoretical explanations for this apparent defensive tactic abound, particularly as the Russian Air Force appears to be deploying it on more planes. The strategy was used after drone attacks on Russian air facilities caused the loss of both bombers and airlifters for the nation.
The primary objective of this tire armor could be to offer cost-effective protection against potential drone attacks. Additionally, the tires might serve as a rudimentary form of camouflage, especially during nighttime operations. It’s also possible that this tactic aims to confuse missile targeting systems, safeguarding valuable aircraft from missile attacks.
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Francisco Serra-Martins of drone maker One Way Aerospace, whose drones have been employed by the Ukrainian military, says that regardless of the situation, the technique probably has a very limited impact. The exposed strategic aviation assets located on airfield aprons may have less thermal signature due to this, but they will still be visible to infrared cameras.
If tires are placed over the aircraft, image-matching cruise missiles may be redirected and their infrared signature may be altered. When applied to cruise missiles, this technology is also referred to as ATR (Automated Target Recognition) or DSMAC (Digital Scene Matching Area Correlator).
Ukraine’s modified “Neptune” missiles may benefit from DSMAC/ATR technology for land attacks, as it makes them less susceptible to electronic warfare jamming and passive in terms of radio-frequency emissions.
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Although not all the planes were intact, other ideas have suggested shielding, which has led some to believe that there was a kind of decoy. Depending on the targeting strategy, the tires might be able to trick an approaching weapon, though it is doubtful they would act as a substantial buffer against a missile or drone strike. In that case, although it is simple and improvised, it’s possible that Russia is seeking a solution of this kind in response to recent strikes on its bases. Yet there are still a lot of unresolved issues.
Watkins, a researcher who tracks ships and aircraft for open-source research, suggest that the tires might shield the plane from flying debris in the event of an explosion above it. NATO is aware of the tire coverings, and some believe they are intended to protect against drones, but the effectiveness of this tactic remains uncertain.
Civil Aviation
Finland to Become the First European Country to Test Digital Passports
Finland has become the first nation to issue the first digital passports, which will make travel easier, faster, and more secure.
In collaboration with Finnair, the Finnish police, and airport operator Finavia, the nation began the ground-breaking trial on August 28. This trial is being run by the Finnish Border Guard and will last through February 2024 at the border crossing at Helsinki Airport.
Even while using a digital passport will speed up airport security checks, it does take some preparation time before the travel. Before installing the FIN DTC Pilot app, interested volunteers must first download it from the Google Play or Apple App Store, respectively. They must also ensure that their phone’s screen-lock feature is enabled by PIN, facial recognition, or fingerprint.
Finnair customers travelling between the Helsinki Airport and London, Manchester, and Edinburgh will be able to use a voluntary Digital Travel Credentials programme, also known as the DTC in communications from the border guard, and use it to enter and exit Finland, according to a statement from the border guard. On the website of the Finnish Border Guard, more information is accessible. Finnish nationals may register for the digital travel document at the Helsinki Airport.
At Helsinki Airport, they can use their digital passport to prove their identification by having their photo taken and compared to the one on file in their DTC. However, because this is a study that is still in progress, participants would need to carry their actual passports with them and have them scanned at Finnish and British border crossings. In the future, travellers won’t be required to carry physical travel documents if the pilot experiment is successful.
Aerospace
UK hydrogen alliance established to accelerate zero carbon aviation and bring an £34bn* annual benefit to the country
EasyJet, Rolls-Royce, Airbus, Ørsted, GKN Aerospace, and Bristol Airport have formed the Hydrogen in Flight (HIA) alliance to speed the delivery of zero-carbon flights. The HIA will aim to ensure that the UK capitalizes on the enormous opportunity that hydrogen brings to both the aviation sector and the country as a whole.
While there are several ways to reduce carbon emissions in the aviation industry, such as using sustainable aviation fuels (SAF), synthetic fuels, or batteries, the HIA thinks that more focus should be placed on the possibilities of using hydrogen directly.
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Hydrogen is a very promising alternative-fuel option for short-haul aviation. Airbus is developing new hydrogen powered aircraft with the aim of entering commercial service from 2035 and Rolls-Royce has already proven that hydrogen could power a jet engine following successful ground tests in 2022. Furthermore, many smaller operators are making rapid progress on hydrogen-powered aircraft, notably ZeroAvia and Universal Hydrogen who have already carried out flight tests.
The group will be drawing on their considerable expertise to propose a clear and deliverable pathway to achieving hydrogen-powered aviation. HIA will work constructively with Government, local authorities, and the aviation and hydrogen sectors to enable the UK to fulfil its potential as a global leader in this critical application of hydrogen technology. This will include setting out the pathway for scaling up the infrastructure and the policy, regulatory and safety frameworks needed so that large scale commercial aviation can become a reality.
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The alliance will outline that, in order for the UK to experience economic benefits and reach its decarbonization goals, the government must concentrate on three key areas: supporting the delivery of the infrastructure required for the country to be a global leader; ensuring that the aviation regulatory system is hydrogen ready; and turning funding for hydrogen aviation R&D support into a 10-year programme.
Investing in hydrogen will also assist in maintaining the social advantages of air travel by keeping customers connected to their jobs, loved ones, and new places. Finally, it will provide employment. In terms of hydrogen, a government survey in 2021*** found that creating a UK hydrogen economy may sustain up to 100,000 jobs nationwide and in our industrial heartlands by the year 2050.
Aerospace
South Korea Invents Robot Pilot that Can Fly a Plane Better Than Human Pilots
Both robotics and artificial intelligence have made tremendous advances in recent years that have sparked the creation of technologies.
With the creation of “Pibot,” a humanoid robot built to fly aircraft using its own dexterity and cutting-edge AI skills, the Korea Advanced Institute of Science & Technology (KAIST) is making ground-breaking improvements in aviation. Pibot has the potential to revolutionize aviation and other industries mainly to its capacity to operate flight instruments, understand complicated instructions, and respond swiftly in emergency situations.
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Professors David Hyunchul Shim, Jaegul Choo, Kuk-Jin Yoon, and Min Jun Kim worked together to create Pibot. By operating each individual control in the cockpit, the robot can operate an aircraft just like a pilot. Even in the worst circumstances, it can maintain altitude and gain control.
The 65 kilogramme and 160 cm tall humanoid with bug eyes is intended for sitting and working. Since everything in the cockpit is made for humans, Shim claims that Pibot’s human form may not be very effective, yet it was nevertheless created as a humanoid form. Even in the presence of strong vibration, it uses high-precision technology to control its arms and fingers. Furthermore, it can use voice synthesis to converse with cockpit humans and air traffic controllers.
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Pibot uses several cameras to evaluate the situation on the plane, in contrast to traditional robots made for preprogrammed or repetitive activities from a fixed location. It has both internal and external cameras incorporated into it that it uses to monitor the status of the aircraft and control key buttons on the control panel. Shim claimed that this distinguished Pibot from other autonomous systems like the autopilot or unmanned aircraft and served as its major feature.
Before 2026, the KAIST researchers want Pibot to do the entire takeoff and landing of a real aircraft. For their actual flight test, they must resolve additional technical and regulatory issues.
Aerospace
BMW Group, Airbus and Quantinuum Collaborate to Fast-Track Sustainable Mobility Research
With a focus on the chemical reactions of catalysts in fuel cells, Airbus, BMW Group, and Quantinuum, global leaders in mobility and quantum technologies, have created a hybrid quantum-classical workflow to speed up future research utilising quantum computers to model quantum systems.
The three partners describe precisely simulating the oxygen reduction process (“ORR”) on the surface of a platinum-based catalyst in a recent technical paper titled “Applicability of Quantum Computing to Oxygen Reduction Reaction Simulations” that was published on arXiv.
The chemical reaction known as the ORR, which occurs in a fuel cell, restricts the process’s effectiveness by converting hydrogen and oxygen into water and energy. Understanding the underlying processes of the reaction is very important and valuable because it is relatively slow and needs a lot of platinum catalyst.
The partnership team has proven the use of quantum computing in an industrial workflow to improve understanding of a crucial chemical reaction using Quantinuum’s H-Series quantum computer. The three businesses intend to work together even further to investigate how quantum computing might be used to address pertinent industrial concerns.
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“Circularity and sustainable mobility are putting us on a quest for new materials, to create more efficient products and shape the future premium user experience,” said Dr. Peter Lehnert, Vice-President, Research Technologies at BMW Group. With the help of the accelerated quantum computing hardware, we can model material properties with significant chemical accuracy, which gives us the ideal tools for accelerating innovation in this important field.
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