Design and control of hybrid power and propulsion systems. See all 2 formats and editions hide other formats and editions. Past and present use of electric ships in the energy industry. New branch point of contact for hybridelectric control research is. Aae 439 ch8 2 overview at the beginning of last century, goddard experimented with electric gas discharge tubes recognizing basic concepts for electric propulsion. Ion and hall thrusters march 2008 the research described in this publication was carried out at the jet propulsion laboratory, california institute of technology, under a contract with the national aeronautics and space administration. However, the basic model price was high and it needed complete replacement of the batteries after only 40,000 km, so it did not withstand competition and was removed from the market. Electric propulsion an analysis of current propulsion. Marine full electric propulsion power system matlab. Find materials for this course in the pages linked along the. American institute of aeronautics and astronautics 12700 sunrise valley drive, suite 200 reston, va 201915807 703. Fundamentals of power electronics controlled electric.
What is hybrid propulsion, and what types of hybrid propulsion exist. The subsequent pages within the electric propulsion section contain specific information and technologies pertaining to the differing subsets of electric propulsion systems. Our latest product is the stadt lean drive innovative electric propulsion system. Electrical propulsion in commercial aircraft may be able to reduce carbon emissions, but only if new technologies attain the specific power, 1 weight, and reliability required for a successful commercial fleet. Note that targeting and design using electric propulsion is identical to chemical propulsion and we refer you to the tutorial named target finite burn to raise apogee for targeting configuration. Hybrid propulsion is a type of propulsion in which 2 types of propulsion are combined to propel a ship or car or whatever is using the propulsion.
In the first place, electric propulsion is a fuelefficient propulsion solution when the hotel load is a significant fraction of the propulsion power requirement and the operating profile is diverse, because the generator power can be used for both propulsion, through the electric motors, and auxiliary systems. Electrical plants and electric propulsion on ships paperback october 8, 20 by marco giuffrida author 5. The most famous spaceships in the sf literature are powered by electricpropulsion engines, like the discovery in the film 2001. Electrified propulsion refers to the use of electric power for aircraft propulsion could be all or partially electric propulsion other aircraft development programs use the terms more electric or all electric as the use of electric power for secondary systems on aircraft such as control surfaces and wing deicing.
Marine electric propulsion due to its flexibility, energy efficiency and superior performance, electric propulsion is widely used in todays marine technology functionally the propulsion drive can be divided into following parts. Advanced propulsion systems beyond rocket science, an. Analysis showed that a major portion of reboost of space station can be made using electric propulsion systems with 0. Figure 1 development of electric propulsion fleet in 1995 the electric propulsion fleet was made of 269 units, with 11 units delivered that year. Required electric power of this motors are provided by the ships diesel generators.
Fundamentals of electric propulsion wiley online books. The gas turbine propulsion system, on the other hand, has gasdynamic and mechanical compression and expansion, fig. Kerrebrock and subsequently adapted by manuel martinezsanchez. Lecture notes marine power and propulsion mechanical. Pdf electric propulsion research and development at jpl. Electric propulsion systems describe a wide variety of differing mechanics to propel a spacecraft. The committee considered six different electric propulsion architectures. Marine full electric propulsion power system open script this example shows a representative marine halfship electrical power system with base load, hotel load, bow. In 20 the fleet accounted for 1750 units, with 199 units delivered that year alone figure 1 and figure 2. Taking advantage of moving within a fluid, aircraft propulsion is achieved by airbreathing engines, i. For the purpose of analysis, the propulsion system has been separated. This site is like a library, use search box in the widget to get ebook that you want. A functional block diagram of electric propulsion system, including the possible types of motors, computeraided design methodologies, power converter devicestopologies, control hardware, software, and strategies, is shown in fig.
Electrodynamic propulsion nasa summer of innovation. The full archive of the group extends several decades. Integrated electric propulsion iep or full electric propulsion fep or integrated full electric propulsion ifep is an arrangement of marine propulsion systems such that gas turbines or diesel generators or both generate threephase electricity which is then used to power electric motors turning either propellers or waterjet impellors. Electric propulsion is not a new concept, having been studied in parallel with chemical propulsion for many years, and sciencefiction writers have always been fascinated by it. The electric propulsion systems linkedin slideshare. A comparison of electric propulsion systems for mars exploration douglas fiehler qss group, inc.
The energy source is the combustion of a fuel carried onboard with oxygen in the air, but it might also be solar power or nuclear power. The turboelectric propulsion system delivered 6,000 shaft horsepower, giving a top speed of about 15 knots the principal reason to use electric propulsion was to eliminate the need for large gearboxes, the manufacturing capability for which was limited. Electric propulsion systems for ships topics yoshifumi ajioka kiyoshi ohno increasing use of electric propulsion systems on ships as is the case with general automobiles that are driven on land, the main type of engine used on ships is the internal combustion engine motors such as diesel engines and gas turbines. Reference herein to any specific commercial product, process, or service. Stadt celebrated its 30th anniversary as a maritime technology company in december 2015, and moved in to its modern maritime center in gjerdsvika, western norway. Potential advantages over conventional propulsion, where peak and cruise powers are significantly different.
Advanced nuclear electric propulsion nep coulomb force vs. Mechanical and electrical concepts merge in chapters 9 and 10. Ship electric propulsion systems usually electric propulsion system consists of one or two electric motors that are connected directly or by gear box to the propeller of the ship. Electromagnetic, electrothermal, and electrostatic thrusters rely upon the supply of electric power for propulsion. Review of allelectric and hybridelectric propulsion technology for small vessels march 2015 1 1. Throughout most of the twentieth century, electric propulsion was considered the technology of the future. Hybrid electric propulsion breakout summary from nasa aero propulsion control technology roadmap development workshop august 1819, 2016, cleveland, ohio george kopasakis. The researchers decided that their next project required a promotion, calling it the corporal. Purchase electric propulsion development 1st edition. Siemens is determined to establish hybridelectric propulsion systems for aircraft as a future area of business.
This section includes select lecture notes for the course excluding lessons on aircraft propulsion and jet engine rotordynamics. Drivetrain components, including the transmission for electric vehicles, are presented in. Variable specific impulse magnetoplasma rocket vsimr electric ion propulsion eit asteroid deflection tool. Click download or read online button to get fundamentals of electric propulsion book now. The four phases are outlined below and are roughly correlated to.
Commercial aircraft propulsion and energy systems research develops a national research agenda for reducing co2 emissions from commercial aviation. Although we have discussed the differences between the two principal types of airbreathing propulsion systems, it is interesting to note that that the ramjet is a particular case of the gas turbine propulsion system. In this tutorial, we will use gmat to perform a finite burn for a spacecraft using an electric propulsion system. The term magnetic effect of current is defined as, a current flowing in a wire produces a magnetic field around it. New branch point of contact for hybrid electric control research is. Fundamentals of electric propulsion download ebook pdf. Combined dieselelectric and gas codlag is a modification of the combined diesel and gas propulsion system for ships. The following year, the laboratory got to work on an 8footlong rocket called the private a. Electrification of the vehicle propulsion system an overview 303 26 pieces of. Thats why the development of electric propulsion systems for aircraft is also the first project for our new startup organisation, next47. All hybrid propulsion systems that exist at this moment combine a conventional propulsion system combustion engine, turbine by. Electrical plants and electric propulsion on ships. Draft 61500 the four phases of the project this electrodynamic propulsion design challenge moves through four distinct phases, in about twelve sessions assuming that each session is a 45minute period. The goal of the electrodynamic water arc propulsion ewap project is to develop a solidstate water arc explosion propulsion engine and implement it on a usv.
A comparison of electric propulsion systems for mars. This was testflown in december 1944, achieving a range of 11 miles. Electric machines, power electronics, electric propulsion system for ships. Hybrid electric propulsion breakout summary from nasa aeropropulsion control technology roadmap development workshop august 1819, 2016, cleveland, ohio george kopasakis. A magnet can make a wire move, if that wire is conducting electricity. Review of allelectric and hybridelectric propulsion. Future trends of electrical propulsion and implications to. Commercial aircraft propulsion and energy systems research. Increased fuel efficiency reduced noise higher peak power parallel redundancy use electric propulsion enhancements to address some of the drawbacks in fuelburning engines. Many of these tanker had long post war service ss huntington hills t2.
A variant, called the combined dieselelectric or gas codlog system, contains the same basic elements but will not allow simultaneous use of the alternative drive sources a codlag system employs electric motors which are connected to the. Electric propulsion technologies generate thrust via electrical energy that may be derived either from a solar source, such as solar photovoltaic arrays, which convert solar radiation to electrical power, or from a nuclear source, such as a spacebased fission drive, which splits atomic nuclei to release large amounts of energy. Pisacane as part of requirements for 744 space systems i course at jhu, whiting school of engineering. Electric propulsion was first envisioned 100 years ago, and throughout most of the 20th century was considered the technology of the future for spacecraft propulsion. Electric propulsion article about electric propulsion by. With literally hundreds of electric thrusters now operating in orbit on communica tions satellites, and ion and hall thrusters both having been successfully used for. Electric motors and their control systems used in ships are very varied that.
Katz, electric propulsion for jpl missions aiaa20053674, 41 st aiaa joint propulsion conference, tucson, az, july 10, 2005. This important new book explains the fundamentals of electric propulsion for spacecraft and describes in detail the physics and characteristics of the two major electric thrusters in use today, ion and hall. Since the 1950s, electric propulsion has a well established research history in government, academia, and industry us. This tutorial focuses only on configuration and modelling using electric. The magnetic effect of current was discovered by oersted in 1820.
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