Improved Models of the Inner and Outer Radiation Belts
In March 1991, after a very sudden commencement, the CRRES satellite observed the creation of a large flux of high energy protons and electrons in the inner magnetosphere. A vector potential model of the time dependent Chapman- Ferraro currents is developed for this sudden commencement. This time de...
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| description | In March 1991, after a very sudden commencement, the CRRES satellite observed the creation of a large flux of high energy protons and electrons in the inner magnetosphere. A vector potential model of the time dependent Chapman- Ferraro currents is developed for this sudden commencement. This time dependent vector potential is then used to determine the magnetic field and the induction electric field during the sudden commencement. The model magnetic signature agrees well with the CRRES observations. The induction electric field calculated by the model ranges from 10s of milliVolts per meter at 3 Re on midnight side of the earth to as large as 400 milliVolts per meter on the noon meridian. The electric field is non-conservative and is capable of accelerating protons and electrons to many 10s of MeV. Sample proton trajectories are used to determine the acceleration of particles in the storm-time magnetic and electric fields. The appendix lists the complete FORTRAN code of the time dependent magnetic and electric field models. |
| format | Report |
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A vector potential model of the time dependent Chapman- Ferraro currents is developed for this sudden commencement. This time dependent vector potential is then used to determine the magnetic field and the induction electric field during the sudden commencement. The model magnetic signature agrees well with the CRRES observations. The induction electric field calculated by the model ranges from 10s of milliVolts per meter at 3 Re on midnight side of the earth to as large as 400 milliVolts per meter on the noon meridian. The electric field is non-conservative and is capable of accelerating protons and electrons to many 10s of MeV. Sample proton trajectories are used to determine the acceleration of particles in the storm-time magnetic and electric fields. The appendix lists the complete FORTRAN code of the time dependent magnetic and electric field models.</description><language>eng</language><subject>ARTIFICIAL SATELLITES ; Astrophysics ; Atmospheric Physics ; COMPUTER CODE ; COMPUTER PROGRAMS ; CRRES(COMBINED RELEASE AND RADIATION EFFECTS SATELLITE) ; ELECTRIC FIELDS ; ELECTRONS ; FORTRAN ; GEOMAGNETISM ; HIGH ENERGY ; INDUCTION ELECTRIC FIELD ; INNER ZONE ; INTERNAL ; Magnetic & Electric Fld Detection & Detectors ; MAGNETIC FIELDS ; MAGNETIC STORMS ; MAGNETOSPHERE ; PARTICLE ACCELERATION ; PE62101F ; PROTONS ; RADIATION BELTS ; RUNGE KUTTA METHOD ; SCIENTIFIC SATELLITES ; SUDDEN COMMENCEMENT ; WUPL760122MD</subject><creationdate>1992</creationdate><rights>Approved for public release; distribution is unlimited.</rights><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>230,778,883,27550,27551</link.rule.ids><linktorsrc>$$Uhttps://apps.dtic.mil/sti/citations/ADA258708$$EView_record_in_DTIC$$FView_record_in_$$GDTIC$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>Pfitzer, K A</creatorcontrib><creatorcontrib>MCDONNELL DOUGLAS SPACE SYSTEMS CO HUNTINGTON BEACH CA</creatorcontrib><title>Improved Models of the Inner and Outer Radiation Belts</title><description>In March 1991, after a very sudden commencement, the CRRES satellite observed the creation of a large flux of high energy protons and electrons in the inner magnetosphere. A vector potential model of the time dependent Chapman- Ferraro currents is developed for this sudden commencement. This time dependent vector potential is then used to determine the magnetic field and the induction electric field during the sudden commencement. The model magnetic signature agrees well with the CRRES observations. The induction electric field calculated by the model ranges from 10s of milliVolts per meter at 3 Re on midnight side of the earth to as large as 400 milliVolts per meter on the noon meridian. The electric field is non-conservative and is capable of accelerating protons and electrons to many 10s of MeV. Sample proton trajectories are used to determine the acceleration of particles in the storm-time magnetic and electric fields. The appendix lists the complete FORTRAN code of the time dependent magnetic and electric field models.</description><subject>ARTIFICIAL SATELLITES</subject><subject>Astrophysics</subject><subject>Atmospheric Physics</subject><subject>COMPUTER CODE</subject><subject>COMPUTER PROGRAMS</subject><subject>CRRES(COMBINED RELEASE AND RADIATION EFFECTS SATELLITE)</subject><subject>ELECTRIC FIELDS</subject><subject>ELECTRONS</subject><subject>FORTRAN</subject><subject>GEOMAGNETISM</subject><subject>HIGH ENERGY</subject><subject>INDUCTION ELECTRIC FIELD</subject><subject>INNER ZONE</subject><subject>INTERNAL</subject><subject>Magnetic & Electric Fld Detection & Detectors</subject><subject>MAGNETIC FIELDS</subject><subject>MAGNETIC STORMS</subject><subject>MAGNETOSPHERE</subject><subject>PARTICLE ACCELERATION</subject><subject>PE62101F</subject><subject>PROTONS</subject><subject>RADIATION BELTS</subject><subject>RUNGE KUTTA METHOD</subject><subject>SCIENTIFIC SATELLITES</subject><subject>SUDDEN COMMENCEMENT</subject><subject>WUPL760122MD</subject><fulltext>true</fulltext><rsrctype>report</rsrctype><creationdate>1992</creationdate><recordtype>report</recordtype><sourceid>1RU</sourceid><recordid>eNrjZDDzzC0oyi9LTVHwzU9JzSlWyE9TKMlIVfDMy0stUkjMS1HwLy0BsoISUzITSzLz8xScUnNKinkYWNMSc4pTeaE0N4OMm2uIs4duSklmcnxxSWZeakm8o4ujkamFuYGFMQFpAIL4Keg</recordid><startdate>199208</startdate><enddate>199208</enddate><creator>Pfitzer, K A</creator><scope>1RU</scope><scope>BHM</scope></search><sort><creationdate>199208</creationdate><title>Improved Models of the Inner and Outer Radiation Belts</title><author>Pfitzer, K A</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-dtic_stinet_ADA2587083</frbrgroupid><rsrctype>reports</rsrctype><prefilter>reports</prefilter><language>eng</language><creationdate>1992</creationdate><topic>ARTIFICIAL SATELLITES</topic><topic>Astrophysics</topic><topic>Atmospheric Physics</topic><topic>COMPUTER CODE</topic><topic>COMPUTER PROGRAMS</topic><topic>CRRES(COMBINED RELEASE AND RADIATION EFFECTS SATELLITE)</topic><topic>ELECTRIC FIELDS</topic><topic>ELECTRONS</topic><topic>FORTRAN</topic><topic>GEOMAGNETISM</topic><topic>HIGH ENERGY</topic><topic>INDUCTION ELECTRIC FIELD</topic><topic>INNER ZONE</topic><topic>INTERNAL</topic><topic>Magnetic & Electric Fld Detection & Detectors</topic><topic>MAGNETIC FIELDS</topic><topic>MAGNETIC STORMS</topic><topic>MAGNETOSPHERE</topic><topic>PARTICLE ACCELERATION</topic><topic>PE62101F</topic><topic>PROTONS</topic><topic>RADIATION BELTS</topic><topic>RUNGE KUTTA METHOD</topic><topic>SCIENTIFIC SATELLITES</topic><topic>SUDDEN COMMENCEMENT</topic><topic>WUPL760122MD</topic><toplevel>online_resources</toplevel><creatorcontrib>Pfitzer, K A</creatorcontrib><creatorcontrib>MCDONNELL DOUGLAS SPACE SYSTEMS CO HUNTINGTON BEACH CA</creatorcontrib><collection>DTIC Technical Reports</collection><collection>DTIC STINET</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Pfitzer, K A</au><aucorp>MCDONNELL DOUGLAS SPACE SYSTEMS CO HUNTINGTON BEACH CA</aucorp><format>book</format><genre>unknown</genre><ristype>RPRT</ristype><btitle>Improved Models of the Inner and Outer Radiation Belts</btitle><date>1992-08</date><risdate>1992</risdate><abstract>In March 1991, after a very sudden commencement, the CRRES satellite observed the creation of a large flux of high energy protons and electrons in the inner magnetosphere. A vector potential model of the time dependent Chapman- Ferraro currents is developed for this sudden commencement. This time dependent vector potential is then used to determine the magnetic field and the induction electric field during the sudden commencement. The model magnetic signature agrees well with the CRRES observations. The induction electric field calculated by the model ranges from 10s of milliVolts per meter at 3 Re on midnight side of the earth to as large as 400 milliVolts per meter on the noon meridian. The electric field is non-conservative and is capable of accelerating protons and electrons to many 10s of MeV. Sample proton trajectories are used to determine the acceleration of particles in the storm-time magnetic and electric fields. The appendix lists the complete FORTRAN code of the time dependent magnetic and electric field models.</abstract><oa>free_for_read</oa></addata></record> |
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| source | DTIC Technical Reports |
| subjects | ARTIFICIAL SATELLITES Astrophysics Atmospheric Physics COMPUTER CODE COMPUTER PROGRAMS CRRES(COMBINED RELEASE AND RADIATION EFFECTS SATELLITE) ELECTRIC FIELDS ELECTRONS FORTRAN GEOMAGNETISM HIGH ENERGY INDUCTION ELECTRIC FIELD INNER ZONE INTERNAL Magnetic & Electric Fld Detection & Detectors MAGNETIC FIELDS MAGNETIC STORMS MAGNETOSPHERE PARTICLE ACCELERATION PE62101F PROTONS RADIATION BELTS RUNGE KUTTA METHOD SCIENTIFIC SATELLITES SUDDEN COMMENCEMENT WUPL760122MD |
| title | Improved Models of the Inner and Outer Radiation Belts |
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