The navy currently has contracts to build two subscale. Those technologies cover a broad range of areas, such as propulsion, nanotechnology, robotics, and human health. Design and performance analysis of superconducting rim. Development of hightemperature superconducting motor for. Announced on 28 november 2017, it followed previous electric flight demonstrators towards sustainable transport for the european commissions flightpath 2050 vision. All superconducting motors may be lighter by a factor of 3. High temperature superconductors for to determine what. Overview of nasa electrified aircraft propulsion research for. These a losses are difficult to remove at low temperatures and they add an extra burden to the aircraft cooling system. Aug 07, 2014 a series of lectures on superconductivity. Aircraft propulsion systems can benefit from electric hts machines in two. Development of hightemperature superconducting motor. Expectations for superconducting components in aircraft 09 april 2015 12 propulsion power cables key performance indicators.
Propulsion motor concepts for airplanes aiaa propulsion. Superconducting turboelectric distributed aircraft propulsion. Electromagnetic design of superconducting synchronous. Jan 28, 2014 this is my high school senior design project condensed into a video presentation. Fully superconducting machine for electric aircraft.
Electromagnetic design of superconducting synchronous motors for electric aircraft propulsion article in ieee transactions on applied superconductivity 284. Calculate the weight of a high temperature superconducting motor assumptions. These motors will be designed to operate at variable speeds. The authors firstly investigate the applicability of this type of machine as a generator in small and mediumsized wind turbines, then the applicability as an inwheel hub motor for electric vehicles. It was done over the course of a semester, with a class dedicated to it. Nasa investments in electric propulsion technologies for. Jay doernhach cn it cd tech rio log ies co rporu t ion prott cg i. Wind turbine industry is considering superconducting. Superconducting infinitely small direct conduction loss leads to much higher specific power and greatly enhances feasibility for larger aircraft dist. For marine propulsion, a hightorque, lowspeed design is favoured. High power density superconducting motor for allelectric aircraft propulsion abstract.
Reduce fuel use and emissions of biggest aircraft segment key technologies. Oct 04, 2017 tailcone thruster propulsion tailcone motor thruster concept 150 passenger plane with two turbines and 2. The new type of aircraft, currently on the drawing. Next generation moreelectric aircraft superconductivity news. Superconducting turbojet 18 june 2007 an allelectric aircraft could soon appear over the horizon thanks to highflying scientific research published today in the institute of physics journal. Nasa is investing in electrified aircraft propulsion eap. The airbusrollsroycesiemens efan x was a hybrid electric aircraft demonstrator being developed by a partnership of airbus, rollsroyce plc and siemens. The most important parameter that is of utmost interest in superconducting machine is the generation of a very high magnetic field that is not possible in. Pdf high power density superconducting motor for allelectric. However, superconducting windings generate a losses in a electrical machine environments. High power density superconducting motor for allelectric aircraft propulsion article pdf available in ieee transactions on applied superconductivity 152.
Superconducting motors and generators for naval applications. High power density superconducting motor for allelectric aircraft. One motor is an ac synchronous type using hts coils in the rotor. Tailcone thruster propulsion tailcone motor thruster concept 150 passenger plane with two turbines and 2. Superconducting ac homopolar machines for highspeed applications. Superconducting dc motors for marine propulsion marine. Superconductivity physics and potential applications in. American institute of aeronautics and astronautics 12700 sunrise valley drive, suite 200 reston, va 201915807 703. For high power applications required in transport category aircraft high temperature superconducting hts motors seem to be a key technology for which. Radial thickness of superconducting motors is generally large due to rather large air gap. Nasa conducts and funds research to advance the state of the art in aeronautics, including improvements in aircraft design leading to enhanced performance in areas such as noise, emissions, and safety. You can find useful information on nasas technologies in techport, including descriptions of.
An allelectric aircraft could soon appear over the horizon. Electrified aircraft propulsions systems use electrical motors to provide some or all of the thrust for an aircraft. Stator design and performance of superconducting motors. Designing an advanced electrical motor for propulsion of. Patten2 1materials science and technology division 2saic background and significance. As the navy moves to the allelectric warship, superconducting. Projections for fully superconducting electric machines greatly exceed those for other motor types. Superconducting generator is designed using the methodology outlined in this paper, and the result is truly remarkable. The test results showed that the motor has torque of 6 nm and an output of 30 kw, and the prototype vehicle obtains the maximum speed of 80 kmh. Superconducting ac homopolar machines for highspeed. Industrial motors outweigh turbine engines by factor of 5 to 10.
High temperature superconducting hts motors and generators will enable extended range, highefficiency, highpowerdensity naval propulsion, and compact generators for weapons and ship systems. Assessment of high temperature superconducting hts electric motors for rotorcraft propulsion. This is an improvement by a factor of about five compared to a conventional motor, even though. In a superconducting motor the use of a pair of slip rings for each armature conductor permits a high armature current together with a high flux output, thus giving high torque. Jay doernhach cn it cd tech rio log ies co rporu t ion. Aug 16, 2019 american institute of aeronautics and astronautics 12700 sunrise valley drive, suite 200 reston, va 201915807 703.
An excitation coil surrounds each pole and is positioned in the gaps on. High power density superconducting rotating machines. The torque of any motor is the product of the armature current and magnetic flux. The primary application for the new superconducting coil rig is turboelectric aircraft propulsion systems, however, the rig can be used to test superconductors used in electric stators and rotors, transmission lines, transformers, fault current limiters, magnets, and superconducting energy storage. The new aircraft carriers will eventually incorporate this superconducting engine and other technology like electromagnetic launch and railguns and solid. One typical application powers electric aircraft propulsion fans with energy generated from onboard generators directly coupled to highspeed gas turbines 8. Superconducting turboelectric distributed aircraft propulsion michael armstrong rollsroyce north american technologies inc cryogenic engineering conference international cryogenic materials conference july 1, 2015 2014 rollsroyce north american technologies, inc. This study examines the potential application and benefits of applying. The motor combines a conductively selfcooled, dc superconducting rotor windings with a slotless stator, allowing the motor to achieve exceptional specific power and efficiency without inheriting the external cooling weight penalty commonly attributed to superconducting machines. High power density superconducting motor for allelectric aircraft propulsion. Superconducting electric machines are electromechanical systems that rely on the use of one or more superconducting elements. A new liquid hydrogen based superconducting coil test rig. Nasas technology portfolio management system techport is a single, comprehensive resource for locating detailed information about nasafunded technologies.
Overview of nasa electrified aircraft propulsion research. Power mass ratio short term 510 years 1 kgkma mid term 10 to 15 years 0,5 kgkma long term 15 years 0,1 kgkma superconducting electric machines power mass ratio efficiency. Index termsaircraft design, allelectric aircraft, electric propulsion, superconducting motor. Both motors should be delivered toward the end of 2003. Focus on superconducting rotating machines superconductor. Article pdf available in ieee transactions on applied superconductivity. The scaling relations for the electrical and hydraulic efficiencies of mhd pumpjets show that overall efficiencies 50% are feasible at speeds of 40 knots and higher provided that magnetic fields. Liquid nitrogencooled hts motors have also been developed for ship.
Distributed propulsion fully integrates the propulsion system within an airframe to take exploit the coupling of airframe aerodynamics and propulsion thrust stream by distributing thrust using many propulsors on the airframe. The other motor is a dc homopolar type using stationary lts coils. Superconductor research points towards feasible electric. A superconducting electromagnet for levitation and propulsion of a maglev vehicle running against a rail has a magnetic core having a number of salient poles extending from a surface thereof, thereby forming gaps between adjacent ones of the poles, and facing and in operative proximity with the rail. Superconducting distributed propulsion many small engines. Industrial hts motors are designed for constant speed application. Fully superconducting machines provide the high power density required for future electric aircraft propulsion.
Jan, 2009 this is the first successful fullpower test of an electric propulsion motor sized for a large navy combatant and, at 36. Superconducting technology will be employed in a variety of motor designs. Courtesy of professor bartek glowaki of the university of cambridge, who filmed, directed and edited the videos. Modeling and dynamics of hts motors for aircraft electric. High temperature superconductors for to determine what types. Us5479145a superconducting electromagnet for levitation. The most important parameter that is of utmost interest in superconducting machine is the generation of a very high magnetic field that. Jun, 2005 high power density superconducting motor for allelectric aircraft propulsion abstract. Over many decades of research, various superconducting machines have been shown to be technically feasible over a wide range of power ranges, for applications in electricity generation conventional, hydroelectric, and wind turbines and motors for ship and aircraft propulsion and electric vehicles. Magnetohydrodynamic ship propulsion with superconducting. You can find useful information on nasas technologies in techport, including descriptions of technologies, images, and.
Architectures of hts machines for hybrid and allelectric propulsion aircraft propulsion systems can bene. Jun 19, 2007 superconductor research points towards feasible electric airplanes. Modeling and dynamics of hts motors for aircraft electric propulsion. Electromagnetic design of superconducting synchronous motors. This is the first successful fullpower test of an electric propulsion motor sized for a large navy combatant and, at 36. Superconductor research points towards feasible electric airplanes. The future of electric hybrid aviation machine design. Propulsion motor concepts for airplanes aiaa propulsion and. A second application is machines which act as both motor and generator integrated with highspeed. Superconducting hts technologies motivate air transport application.
High power density superconducting motor for allelectric. Gas turbines are used to power superconducting generators capable of producing large amounts of electrical power which is distributed to array of superconducting motors and propulsive fans via, in this case, a fully superconducting dc distribution network as shown in fig. A new liquid hydrogen based superconducting coil test rig to. Since superconductors have no dc resistance, they typically have greater efficiency. For a propulsion application the driveend bearing could include the main thrust block. Courtesy of professor bartek glowaki of the university of cambridge, who filmed, directed and edited the. Assessment of high temperature superconducting hts. Advanced superconducting motor experimental demonstrator. Pdf current high temperature superconducting hts wires exhibit high current densities enabling their use in electrical rotating machinery. Early superconducting machines were generally large syn. Building on hightemperature motors designed over the past few years, ailam et al. Stator design and performance of superconducting motors for. Design and performance analysis of superconducting rimdriven. Pdf high power density superconducting motor for all.
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