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رئيس البحوث الفلكية: ذروة العاصفة الشمسية غدًا.. وهي من النوع المتوسط ومصر بعيدة عنهابيان حدوث زلزال 14 مايو 2025​تقرير عن سقوط مسبار فضائى2025 بيان اعلامي الخاص بخسوف كلي للقمر -الجمعة 14 مارس" رواد الرؤية المستقبلية " (FVP) Future Vision Pioneers Initiativeمعهد البحوث الفلكية يستضيف مُتدربي الدورة السادسة عشرة "لبرنامج الأملالأستاذ الدكتور/ طه رابح، رئيس المعهد القومي للبحوث الفلكية والجيوفيزيقية يستقبل وفدًا من جامعة حلوانInteractive Subsurface 3D Modeling using Potential Fields and Geological Constraintsبيان هلال شهر ذو الحجة لعام 1445هـهلال شهر رمضان بين الرؤية العلمية والرؤية البصريةSCIENCE AND TECHNOLOGY FOR EGYPTIAN ARCHAEOLOGY​The Arab Conference on Astronomy and Geophysics – ACAG 8​Smart Green Projects InitiativeSpace Technology and its ApplicationsThe Third Advanced ArAS School for Astrophysics.يوم المرأة العالمى فى الفلكهلال شهر رمضان بين الرؤية العلمية والرؤية البصريةندوة يابانية مصرية مشركة حول التكنولوجيا المتقدمة فى تقدير المخاطر الزلزاليةهزة أرضية علي بعد 27 كم شمال مدينة السويس ودرجة قوته 4.1 ريختر وعلي عمق 10كمزلزال تركيا وسوريا ونظرة شمولية على مصر و الشرق الأوسط

Susan Wassem Samwel Stefan

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Welcome

Welcome to the web page of Dr. Susan Samwel; Associate Professor at  the National Research Institute of Astronomy and Geophysics -NRIAG . At the different sections of the web page you can find information on my fields of interest and updated information related  to my Scientific Activities.

Professional Profile

Full Name: Susan Wassem Samwel Stefan

Scientifics Name: Susan Samwel

E-mails: samwelsw@nriag.sci.eg

Phone: 002 01227512388

Address: National Research Institute of Astronomy and Geophysics – NRIAG
                Solar and Space Research Department – Space Research Lab
                11421 – Helwan – Cairo – Egypt

Social Media Links

My Bio

My Bio 

Dr Susan W. Samwel is associate professor at the National Research Institute of Astronomy and Geophysics (NRIAG), solar and space research department.  She got her B.Sc.  in Astronomy and physics in 1999 from Cairo University. She acquired her M.Sc. in 2004 and her Ph.D in 2009 in Space physics from Cairo University. Dr Samwel has a wide variety of experience in space physics with specific emphasis in the areas of the space environment and its effects on spacecraft, space radiation, and solar energetic particles (SEPs), in addition to Satellite Laser Ranging (SLR). She has published more than 30 papers in international journals and has presented many contributed talks at international conference. Dr Susan Samwel is a Scientific Discipline Representative (SDR) to Scientific Committee on Solar- Terrestrial Physics (SCOSTEP) in the field of Space Weather, International Science Council (ICS) since 2015 and a member of the International Committee for Space Sciences (COSPAR) and of the International Astronomical Union (IAU).

My Research Interests

My Research Interests

  • Space Weather and its effect on spacecraft
  • Solar energetic particles, its acceleration and propagation through the interplanetary space
  • Radio signatures of solar energetic particles 
  • Geomagnetic Storms and their relationship to the solar activity phenomena
  • Satellite Laser Ranging (SLR)
Scientific IDs

Scientific IDs

  Scientific Name of Publications:

 Susan W. Samwel
  ID Research

  Scopus ID:

 Samwel, Susan Wassem

  Researcher ID:

 J-6456-2017

 Orcid ID:

 0000-0002-5583-5828
Academia ID https://independent.academia.edu/SamwelSusan
My Pages Links

My Pages Links

My Awards

My Awards

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Journals  Articles

  1. Miteva, R.; Samwel, S.W. M-Class Solar Flares in Solar Cycles 23 and 24: Properties and Space Weather Relevance. Universe 2022, 8, 39. https://doi.org/10.3390/ universe8010039
  2. Samwel S.W., Miteva R., Catalogue of in situobserved solar energetic electrons from ACE/EPAM instrument, Monthly Notices of the Royal Astronomical Society, Volume 505, Issue 4, August 2021, Pages 5212–5227, https://doi.org/10.1093/mnras/stab1564
  3. Miteva R., Samwel S.W., Zabunov S., Multi-energy proton events and geomagnetic storms in solar cycles 23 and 24, Proceeding of the 16th International Scientific Conference, SPACE, ECOLOGY, SAFETY, pp 64, 2020
  4. Miteva R., Samwel S.W., Zabunov S., Dechev M., On the flux saturation of SOHO/ERNE proton events, Bulgarian Astronomical Journal, vol., 33, pp 99-108, 2020.
  5. Miteva R, Samwel S.W., Veronig A., Koleva K., Dechev M., Dissauer K., Temmer M., Kozarev K., Zabunov S., EVE flare diagnostics of in situ observed electron events, Proceedings of Eleventh Workshop “Solar Influences on the Magnetosphere, Ionosphere and Atmosphere” Primorsko, Bulgaria, June 3-7, 2019, pp 196-200, 2019  https://doi.org/10.31401/WS.2019.proc
  6. Miteva R., Samwel S.W., Radio signatures of in situ observed ACE/EPAM electron fluxes,  Proceedings of Eleventh Workshop “Solar Influences on the Magnetosphere, Ionosphere and Atmosphere” Primorsko, Bulgaria, June 3-7, 2019, pp. 191-195, 2019 https://doi.org/10.31401/WS.2019.proc
  7. Samwel S.W., Abd El-Aziz E., Garrett H.B., Hady A.A., Ibrahim M., and Amin M.Y., Space Radiation Impact on Smallsats During Maximum and Minimum Solar Activity, Advances in Space Research, vol. 64 pp. 239–251, 2019
  8. Miteva R., Samwel S.W., Danov , catalogs of solar energetic electrons and their radio emissions in solar cycles 23 and 24, SES 2018, Proceeding of the 14th International Scientific Conference, SPACE, ECOLOGY, SAFETY, pp 106-110, 2018.
  9. Miteva R., Samwel S.W., Costa-Duarte M.V., Solar energetic particle catalogs: assumptions, uncertainties and validity of reports, Journal of Atmospheric and Solar-Terresterial Physics (JASTP), Vol 180, November 2018, PP 26-34.
  10. Miteva R., Samwel S.W., Costa-Duarte M.V., The Wind/EPACT Proton Event Catalog (1996 – 2016), Solar Phys. 293:27, 2018
  11. Miteva R., Samwel S.W., Krupar V., Solar radio burst emission from proton-producing flares and coronal mass ejections, Proceedings of Ninth Workshop “Solar Influences on the Magnetosphere, Ionosphere and Atmosphere” Sunny Beach, Bulgaria, May 30 – June 3, 2017, pp. 19-23, 2017.
  12. Miteva R, Samwel SW, Krupar V. Solar energetic particles and radio burst emission. J. Space Weather Space Clim. 7: A37, 2017
  13. Miteva, R., Samwel, S.W., Costa-Duarte, M. V., Malandraki, O. M., Solar cycle dependence of Wind/EPACT protons, solar flares and coronal mass ejections, Sun and Geosphere, The International Journal of Research and Applications, 12, No.2 2017
  14. Miteva R., Samwel S.W., Costa-Duarte M. V. , Danov D., The online catalog of Wind/EPACT proton events, Proceedings of Eighth Workshop “Solar Influences on the Magnetosphere, Ionosphere and Atmosphere”, Sunny Beach, Bulgaria, May 30 – June 3, 2016, pp. 27-30, 2016
  15. Hady A., A., Mostafa, M.H., and Samwel S.W., 2016” Descriptive study of X-class flares released in the year 2014, during the double peak of SC-24”, Proceedings of the International Astronomical Union, Volume 11 , Symposium S320: Solar and Stellar Flares and their Effects on Planets , pp. 330 – 332
  16. Khalil Kh. I., and Samwel S.W., “Effect of Air Drag Force on Low Earth Orbit Satellites During Maximum and Minimum Solar Activity”, Space Research Journal, Science Alert, 9(1), 1-9, 2016
  17. Ibrahim M., Hanna Y.S., Samwel, S.W., and Hegazy M.A., “Satellite Laser Ranging in Egypt”, NRIAG journal of Astronomy and Geophysics, ElSEVIER, Vol. 4, pp. 123-129, 2015
  18. Samwel S.W., Hanna Y.S., Ibrahim M. and Roman A.T., “Overlap technique for fitting the range residuals of the SLR data”, NRIAG journal of Astronomy and Geophysics, ElSEVIER, Vol. 4(2), pp. 293-297, 2015.
  19. Trottet G., Samwel S., Klein K.-L. Dudok de Wit T. and Miteva, R., Statistical Evidence for Contributions of Flares and Coronal Mass Ejections to Major Solar Energetic Particle Events, solphys, 290, pp:819-839, 2015
  20. Samwel S.W., ‘Low Earth Orbital Atomic Oxygen Erosion Effect on Spacecraft Materials’, Space Research Journal, 7(1), 1-13, ISSN 1819-3382 / DOl: 10.3923/srj.2014.1.13, 2014.
  21. Miteva, R. and Klein, K.-L., Samwel S.W., Nindos, A. and Kouloumvakos, A. and Reid, H.,” Radio Signatures of Solar Energetic particles During the 23rd Solar Cycle”, Central European Astrophysical Bulletin, Vol. 37, p. 541-553, 2013.
  22. Hanna Y.S., Ibrahim M., Samwel S.W., ‘Spline and overlap techniques for analyzing SLR data’, Space Research Journal, vol. 5, No. 1, pp. 1-9, 2012.
  23. Klein, K.L.; Masson, S.; Miteva, R.; Samwel, S.; Malandraki, O.; Trottet, G., “The Sun-Earth Connection of energetic Particles”, EAS Publications Series, Volume 55, 321-326, 2012.
  24. Hanna Y.H., Ibrahim M., Samwel S.W. “Comparative Studies of Overlap and Spline Techniques for Fitting SLR Data”, NRIAG Journal of Astronomy and Astrophysics, Special Issue, pp. 267-278, 2011.
  25. Klein K.-L., Trottet G., Samwel S.W., Malandraki O., “Particle Acceleration and Propagation in Strong Flares without Major Solar Energetic Particle Events”, Solar Physics journal, vol. 269, no.2, pp. 309-333, 2011.
  26. Hady, A. A.; Samwel, S. W., Energetic Solar activities during cycle 22, 23 12th international solar wind conference. AIP Conference Proceedings, Volume 1216, pp. 703-706, 2010.
  27. Samwel S.W. and Hady, A.A., “Space Radiation Environment forecast for Egyptsat-2 satellite”, Space Weather: The International Journal of Research and Applications, , vol. 7, S12004, doi:10.1029/2009SW000482,
  28. Samwel S.W., Hady, A.A, Mikhail, J.S., Ibrahim M., and Hanna, Y.S, “Assessment of GaAs, InP, and GaInP/GaAs/Ge solar cells performance in different radiation environments”, Proceeding of the First Middle East-Africa, Regional IAU Meeting, pp 201-203, 2008.
  29. Samwel S.W., Hady, A.A. , Mikhail, J.S., Ibrahim , and Hanna, Y.S., “Studying the Total Ionizing Dose and Displacement Damage Dose effects for various orbital trajectories”, Proceeding of the First Middle East-Africa, Regional IAU Meeting,  pp 55-58, 2008.
  30. Samwel S.W., Hady, A.A. ., Mikhail, J.S. , Hanna, Y.S. , and Ibrahim, Makram, “Studying the space solar cell power performance for different orbital trajectories”, The 1st Arab Conference on Astronomy and Geophysics (ACAG-1) Helwan, Cairo, Egypt, October 20-22, 2008, NRIAG journal of Astronomy and Astrophysics, Special Issue, PP.219-231, 2008
  31. Samwel S.W., Garrett, H.B., Hanna, Y.S., Ibrahim M., Mikhail, J.S., and Hady, A.A., “Comparative Study of The Energetic Particle Fluences For Different Orbital Trajectories”, NRIAG journal of Astronomy and Astrophysics, No.11, pp.139-150, 2006.
  32. Samwel S.W., Hady, A.A., Ibrahim M., Hanna, Y.S., “Studying the great solar proton events during the solar cycle 23”, Proceeding of IAU233 symposium, “Solar Activity and its Magnetic Origin”, Cambridge University, pp.287-290, 2006.
  33. Samwel W., Metwally, Z., Mikhail, J. S., Hanna Y. S., and Ibrahim, Makram, “Analyzing The Range Residuals Of The SLR Data Using Two Different Methods” , NRIAG journal of Astronomy and Astrophysics , vol. 4, No. 1, pp 1-14, 2005.
  34. Samwel S.W., Hanna Y.S., and Ibrahim M., “On Applying The Spline Technique For Fitting Different Kinds Of Data”, NRIAG Journal of Astronomy and Astrophysics, Special Issue, pp. 335-345, 2004.
  35. Ibrahim M., Hanna Y.S., and Samwel S.W., “Statistical and comparative studies for the observations of Helwan-SLR station”, Journal of Nonlinear Sciences and Numerical Simulation, 5(2), 135-147, 2004.
  36. Hanna Y.S., Ibrahim M. and Samwel, S.W. ,”On Using Chebyshev Polynomials For Fitting SLR Data Of Artificial Satellites”, Journal of Applied Mathematics and Computation (AMC), 158 pp. 655-666, 2004.
  37. Samwel, S.W., Hanna, Yousry S., Ibrahim M., and Fahim, G., “An application on Spline technique for fitting Helwan-SLR data”, Proceeding of the 1st International conference on Engineering, Mathematics, and physics (EMP), May 14-16, Military Technical College, Cairo-Egypt, pp.80- 89, 2002.
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Group Team

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  • Space Research and Technology Institute, Bulgarian Academy of Science, Sofia, Bulgaria, 31/5/2019 till 14/6/2019
  • Paris Observatory, LESIA, Meudon, France, 15/10/2013 till 29/10/2013
  • Paris Observatory, LESIA, Meudon, France, 15/10/2012 till 15/11/2012
  • Paris Observatory, LESIA, Meudon, France, 10/10/2011 till 5/11/2011
  • Paris Observatory, LESIA, Meudon, France, 13/9/2010 till 16/10/2010
  • Paris Observatory, LESIA, Meudon, France, 2/06/2009 till 30/06/2009.
  1. Samwel S.W., Miteva R., Extreme Space Weather Events During Solar Cycles 23 & 24: Analytical Study, 15th Quadrennial Solar-Terrestrial Physics Symposium (STP-15), Indian Institute of Geomagnetism (IIG), 21-25 Feb 2022.(Online)
  2. Miteva R., Samwel S.W., Radio emission bursts as predictors for solar energetic particles: Electrons vs. Protons , 15th Quadrennial Solar-Terrestrial Physics Symposium (STP-15), Indian Institute of Geomagnetism (IIG),  21-25 Feb 2022.(Online)
  3. Samwel S.W., Miteva R., Correlation between space weather event parameters over the solar cycle 23 & 24, ACAG7, Cairo, Egypt, October 11-14, 2021
  4. Samwel S.W., Miteva R., Statistical study of the solar energetic electron events during solar cycles 23 & 24 based on ACE/EPAM catalog, ACAG7, Cairo, Egypt, October 11-14, 2021.
  5. Miteva R., Samwel S.W., New space weather catalog of radio emission signatures in solar cycles 23 and 24, ACAG7, Cairo, Egypt, October 11-14, 2021
  6. Abd El-Aziz E., Samwel S.W., Amin M.Y., Single Event Upset estimation for smallsats COTs components, ACAG7, Cairo, Egypt, October 11-14, 2021
  7. Samwel S.W., Miteva R., In Situ Solar Energetic Electron Events and Their Related Radio Burst Signatures, XVIIth Hvar Astrophysical Colloquium, The Sun and Heliosphere, 20 – 24 September 2021, ONLINE
  8. Samwel S., Miteva R., Solar energetic electron events and their related radio emission signatures, European solar physics meeting, Rome, Italy, 6-10 September 2021. Online
  9. Miteva R., Samwel S.W., Solar radio bursts associated with in situ observed electron events during solar cycles 23 and 24, URSI GASS 2021, Sapienza Faculty Of Engineering, Rome, Italy, 28 August- 4 September 2021
  10. Miteva R., Samwel S.W., Current status on L1 proton and electron catalogs over solar cycles 23 and 24, Parker one conference , June 14-18 2021
  11. Miteva R., Samwel S.W., First results on interplanetary radio emissions related to in situ electrons over two solar cycles, Online Radio Heliophysics Catch-up, 10-13 May 2021- Zoom
  12. Miteva R., Samwel S. W., Geomagnetic and solar activity in solar cycles 23 and 24, 3rd ISEE Symposium, PWING-ERG conference and school on the inner magnetosphere ISEE, Nagoya University, Japan, March 8-12, 2021 (online conference)
  13. Miteva R., Samwel S.W., Zabunov S., Multi-energy proton events and geomagnetic storms in solar cycles 23 and 24, 16th International Scientific Conference „Space, Ecology, Safety” SES 2020 Sofia, 4 – 6 November 2020
  14. Miteva R., Samwel S.W., Solar energetic protons, radio bursts and geomagnetic storms, European Space Weather Symposium, 2-6 November, 2020 (online Event)
  15. Samwel S.W., Space Research and Applications at NRIAG, IEEE Conference on Power Electronics and Renewable Energy (CPERE), 23-27 October, Aswan, 2019
  16. Miteva R., Samwel S. W., Veronig A., Dissauer K., Koleva K., Dechev M., “New Catalogs of solar energetic particles ans properties of the associated flare emission”, XXIII All-Russian annual conference, “Solar and Solar-Earth Physics-2019”, October 7-11, 2019, St. Petersburg, GAO RAS.
  17. Miteva R., Veronig A., Samwel S. W., Koleva K., Dechev M., Dickson E., Dissauer K., Temmer M., Kozarev K., Kashapova L., On the flare contribution to solar energetic particles, VarSITI Closing Symposium, 10-14 June, 2019, Sofia, Bulgaria, 2019.
  18. Samwel S. W., and Miteva R., Solar Energetic Electrons and radio Emission Signatures, VarSITI Closing Symposium, 10-14 June, 2019, Sofia, Bulgaria, 2019
  19. Miteva R., Samwel S.W., Veronig A., Koleva K., Dechev M., Dissauer K., Temmer M., Kozarev K., Zabunov, S., EVE flare diagnostics of in situ observed electron events, events, Eleventh Workshop of Solar Influence on the Magnetosphere, Ionosphere and Atmosphere, Primorsko, Bulgaria, 3-7 June 2019.
  20. Miteva R., Samwel S.W., Radio signatures of in situ observed ACE/EPAM electron events, Eleventh Workshop of Solar Influence on the Magnetosphere, Ionosphere and Atmosphere, Primorsko, Bulgaria, 3-7 June 2019.
  21. Samwel S. W., and Miteva R., VarSITI database on in situ electron events and their radio emission signatures, Eleventh Workshop of Solar Influence on the Magnetosphere, Ionosphere and Atmosphere, Primorsko, Bulgaria, 3-7 June 2019.
  22. Samwel S.W., Space Weather and its Effects on Space Missions, Space Research and Technology Institute, Bulgarian Academy of Science, Sofia, Bulgaria, 2019.
  23. Samwel S. W., and Miteva R., Cataloging of Solar energetic electrons and protons during solar cycles 23 and 24, AFRICAN GEOPHYSICAL SOCIETY CONFERENCE ON 
    SPACE WEATHER, 25-28 March 2019, Cairo, Egypt
  24. Miteva R., Veronig A., Samwel S., Koleva K., Dechev M., Dickson E.C.M., Dissauer K., Kashapova L.K., and Temmer M., Multi-wavelength analysis of SEP-related solar flares during solar cycles 23 and 24, Fourteenth Annual Conference “Plasma Physics in the Solar System”, IKI RAS, 11-15 Feb, 2019, Moscow, 2019. DOI: 10.13140/RG.2.2.33935.64166
  25. Miteva M., Samwel S.W., Danov D., Catalogs of solar energetic electrons and their related radio emissions in solar cycles 23 and 24, 14th Space, Ecology, Security Conference (SES-2018), 7–9 November 2018, Sofia, Bulgaria
  26. Miteva R., Samwel S.W., Krupar V., Danov D., Catalogs of solar energetic protons, electrons and related radio emissions in solar cycles 23 and 24, 15th European Space Weather Week (ESWW-15), 5–9 November 2018, Leuven, Belgium
  27. Samwel S.W. and Miteva R., ACE/EPAM solar energetic electron catalog (1996–2017): Statistical relationship with flares and CMEs, 15th European Space Weather Week (ESWW-15), 5–9 November 2018, Leuven, Belgium
  28. Hanna Y.S., Samwel S.W., Ibrahim M., Roman A.T., Liang Z., and Han X., Changchun SLR Data Analysis Using Different Techniques, ACAG6, 15-17 October, 2018, NRIAG, Helwan, Cairo, Egypt.
  29. Abd El-Aziz E., Samwel S.W., and Hady A.A., Assessment of Single Event Effect (SEEs) in smallsats during maximum and minimum solar activity, ACAG6, 15-17 October, 2018, NRIAG, Helwan, Cairo, Egypt.
  30. Samwel S.W., Miteva R., Online Catalog of ACE/EPAM Electron Events, ACAG6, ACAG6, 15-17 October, 2018, NRIAG, Helwan, Cairo, Egypt.
  31. Samwel S.W., Miteva R., ACE/EPAM Electron Event Catalog (1997-2017), COSPAR 42, Pasadena, California, 14-22 July, 2018
  32. Miteva R. , Samwel S.W., Danov D., Recent advances on solar energetic particle cataloguing, 15 th European Solar Physics Meeting (ESPM-15) 4–8 September 2017, Budapest, Hungary
  33. Miteva R., Samwel S. W., Krupar V., Solar energetic particles and dm-to-km radio bursts, 15th European Solar Physics Meeting (ESPM-15), 4–8 September 2017, Budapest, Hungary, 2017
  34. Miteva R., samwel S.W., Costa-Duarte M., Danov D., Georgieva K., New proton event catalogs and statistical results, Second VarSITI General Symposium (VarSITI-2017), 10-15 July, 2017
  35. Miteva R., Samwel S. W., Krupar V., Solar radio burst emissions from proton-producing flares and coronal mass ejections, Solar Influences on the Magnetosphere, Ionosphere and Atmosphere workshop, Bulgaria, 30 th May- 3rd June, 2017
  36. Hady A.A. and Samwel S.W., X-class flares released during the decline phase of SC-24 by GOES data, EGU General Assembly, 25 April, 2017
  37. Hanna Y.S., Ibrahim M., and Samwel S.W., ‘Some Applications of Chebyshev Polynomials’, The Arab Conference of Astronomy and Geophysics, Fifth Assembly, 17-20 October, 2016
  38. Abd El-Aziz E., Samwel S.W., Ibrahim M., and Hady A.A., ‘Space Radiation environment and its impact on smallsats during maximum and minimum solar activity’, The Arab Conference of Astronomy and Geophysics, Fifth Assembly, 17-20 October, 2016
  39. Abd El-Aziz E., Samwel S.W., Segert T., Ibrahim M., and Hady A.A., ‘Space Radiation Impact on Small Satellites at LEO and Polar Orbits for Worst-Case Conditions’, The Arab Conference of Astronomy and Geophysics, Fifth Assembly, 17-20 October, 2016
  40. Samwel S.W., Miteva R., Costa-Duarte, M.V., and Danov D., Solar energetic protons: the new catalog from Wind/EPACT instrument, The Arab Conference of Astronomy and Geophysics, Fifth Assembly, 17-20 October, 2016
  41. Miteva R., Samwel S. W., Costa-Duarte M. V., Danov , Solar energetic particles and space weather, Third national congress of natural sciences, sofia, 29 september to 2 october 2016.
  42. Abd El-Aziz E., Samwel, S.W. , Hady, A.A., and Ibrahim, Makram, ‘Preliminary assessment of space radiation environment and its impact on the smallsat materials’, the International Workshop on “Satellite and Space Missions: Developments and Applicationss”, which was held during june 04-05, June, 2016.
  43. Miteva R, Samwel S.W., Costa-Duarte M. V., Danov D., “The online catalog of Wind/EPACT proton events”, Eighth Workshop “Solar Influences on the Magnetosphere, Ionosphere and Atmosphere” , Sunny Beach, Bulgaria, May 30 – June 3, 2016.
  44. Miteva R. Samwel S. W. , Costa-Duarte M.V.  , Malandraki O. E., Catalog of Wind/EPACT proton events (1997-2014), IAGA4, 20-24/3/2016
  45. Hady A. A., Mostafa H., and Samwel S.W., ”Descriptive study of X-class flares released during the double peak of SC-24”, IAGA4, 20-24/3/2016.
  46. Hady, A.A., Mostafa, M, and Samwel S.W., “The X-class flares released in the year 2014, during the double peak of SC-24”, EGU General Assembly 17–22 April 2016
  47. Miteva R., Samwel S.W., Malandraki O.E., Costa-Duarte M.V., ‘Statistical study on the properties of solar energetic particles and associated solar phenomena in solar cycles 23 and 24’, 12th European Space Weather Week Ostend, Belgium, 23–27, November 2015
  48. Miteva R., Samwel S.W., Malandraki O. E., and Costa Duarte M. V., ‘Solar Cycle Behavior of Energetic Protons and Eruptive Events: Comparative Study in 1996–2014’, International Conference “SOLAR VARIABILITY AND ITS HELIOSPHERIC EFFECTS”, Athens, GREECE, 2-6 November 2015
  49. Miteva R. , Samwel S.W., Duarte M.V., “On the origin of solar proton events: comparison between solar cycles 23 and rising half of 24”, Seventh Workshop on Solar Influences on the Magnetosphere, Ionosphere and Atmosphere, Bulgaria, 1-5 June 2015
  50. Samwel S., Trottet G., Klein K.-L., Dudok de Wit T., and Miteva R., “Statistical study of the relationship between the solar enrgetic particle events and associated solar phenomena”, UN/Japan Workshop on Space Weather, Fukuoka, 2-6 March 2015.
  51. Hanna Y.S., Ibrahim M., and Samwel, S.W., “On applications of Chebyshev polynomials” The Fourth Arab Conference on Astronomy and Geophysics (ACAG4) Helwan, Egypt 20-23 October 2014
  52. Samwel S.W., Hanna Y.S., and Ibrahim M. “Overlap technique for fitting the range residuals of the SLR data”, The Fourth Arab Conference on Astronomy and Geophysics (ACAG4) Helwan, Egypt 20-23 October 2014.
  53. Samwel S., Trottet G., Klein K.-L., Dudok de Wit T., and Miteva R., “The SEP events and their association with solar flares and CMEs:Statistical study”, The Fourth Arab Conference on Astronomy and Geophysics (ACAG4) Helwan, Egypt 20-23 October 2014.
  54. Ibrahim M., Hanna Y.S., and Samwel S.W., “The Satellite Laser Ranging in Egypt”, The Fourth Arab Conference on Astronomy and Geophysics (ACAG4) Helwan, Egypt 20-23 October 2014.
  55. Samwel S.W., Hanna Y.S. and Ibrahim M.,” Overlap technique for fitting the range residuals of the SLR data”, The Fourth Arab Conference on Astronomy and Geophysics (ACAG4) Helwan, Egypt 20-23 October 2014.
  56. Miteva R., Klein K.-L, Samwel S. W., Reid H., Nindos A., and Kouloumvakos A., “On the origin of solar energetic particles”, 10th European Space Weather Week, 18-22 November 2013, Antwerp, 2013.
  57. Miteva R., Klein K.-L., Samwel S.W., Reid H., Nindos A., and Kouloumvakos A., ‘Solar energetic particles and flare/CME-related radio emission’, CESRA workshop 2013, Prague, Czech Republic, 2013.
  58. Miteva R., Klein K.-L., Samwel S.W., ‘Statistical studies of the relationship between solar energetic particle (SEP) events and radio emission in the corona’, French-Egyptian Workshop on activities on space weather, Paris, 26 October 2012.
  59. Klein K.L., Samwel S.W., Trottet G., and Miteva R., “Solar energetic particle studies of events with in situ and remote sensing observations, French-Egyptian Workshop on activities on space weather, Paris, 26 October 2012.
  60. Samwel S.W., Klein K.L., Trottet G., Malandraki O., Shaltout M., ‘Correlations between particle intensities in space and microwave burst parameters’, French-Egyptian workshop on space weather activities, Paris, France, 26 Oct, 2012.
  61. Miteva R., Klein K.-L., Kienriech I., Veronig A. and Samwel S. W., “Solar energetic particles and associated phenomena in radio and EUV wavelengths”, 9th European Space Weather Week, Brussels, Belgium, 2012.
  62. Miteva R., Klein K.-L., Samwel S. W., Trottet G., and Malandraki O., “Solar energetic particle events and parent solar activity”, EGU General Assembly, 2012
  63. Miteva R., Klein K-L,  Samwel  W., Trottet G., Malandraki O., “Solar energetic particle events and associated phenomena in the corona and IP space” presented in 13th    European Solar  Physics  Meeting, Rhodes, Rhodes,  Greece, 2012.
  64. Samwel S.W., ‘Preliminary assessment of smallsats radiation environment and its influence on the performance of solar cells’, 3rd Arab Conference on Astronomy and Geophysics ACAG-3, 08-11 October 2012.
  65. Samwel S.W., Klein K.-L., Trottet G., Shaltout M., “Association of Strong Solar Flares with Energetic Particles in Space”, presented in 3rd IAGA Symposium “Heliospheric Physics during and after a deep solar minimum”, Luxor, Egypt, November 13-17, 2011.
  66. Miteva R., Klein K.-L., Samwel S. W., Malandraki O. and Trottet G., “SEP events and associated phenomena in the corona and IP space”, presented in 13th European Solar Physics Meeting (ESPM), Rhodes, Greece, September  12–16, 
  67. Hanna Y.S., Ibrahim M., Samwel S.W. “Comparative Studies of Overlap and Spline Techniques for Fitting SLR Data”, 2nd Arab Conference on Astronomy and Geophysics ACAG-2, 25-28 October 2010
  68. Samwel, S.W., “Study of LEO atomic oxygen effect on spacecraft materials, 2nd Arab Conference on Astronomy and Geophysics ACAG-2, 25-28 October 2010
  69. Samwel S.W., Klein K.-L., Trottet G., Klassen A.: “Strong solar X-ray bursts without solar energetic particle events”, presented in COSPAR General Assembly, Bremen (Germany), July 18-25, 2010.
  70. Hady, A. A.; Samwel, S. W., Energetic Solar activities during cycle 22, 23 12th international solar wind conference. Saint-Malo, France, June 21-26 2009.
  71. Klein K.-L., Samwel S.W., Trottet G., “Strong X-ray bursts and solar
    energetic particle events”, presented in the General Assembly of the European Geosciences Union (EGU), Vienna (Austria), May 2-7, 2010.
  72. Samwel S.W., Hady, A.A. ., Mikhail, J.S. , Hanna, Y.S. , and Ibrahim M., “Analysis of the space radiation environment of EGYPTSAT-1 satellite”, presented in the IAGA International Symposium “Space weather and its effects on Spacecraft”, Cairo, Egypt, 2008.
  73. Samwel S.W., Hady, A.A, Mikhail, J.S., Ibrahim M., and Hanna, Y.S, “Assessment of GaAs, InP, and GaInP/GaAs/Ge solar cells performance in different radiation environments”, the First Middle East-Africa, Regional IAU Meeting, 2008.
  74. Samwel S.W., Hady, A.A. , Mikhail, J.S., Ibrahim M. , and Hanna, Y.S., “Studying the Total Ionizing Dose and Displacement Damage Dose effects for various orbital trajectories”, First Middle East-Africa, Regional IAU Meeting, 2008.
  75. Samwel S.W., Hady, A.A. ., Mikhail, J.S. , Hanna, Y.S. , and Ibrahim M., “Studying the space solar cell power performance for different orbital trajectories”, The 1st Arab Conference on Astronomy and Geophysics (ACAG-1) Helwan, Cairo, Egypt, October 20-22, 2008
  76. Samwel S.W., Garrett H.B., Hanna Y.S., Ibrahim M., Mikhail J.S., and Hady A.A., “Comparative Study of The Energetic Particle Fluences For Different Orbital Trajectories”, 11th General Scientific Meeting of NRIAG, 2006.
  77. Samwel S.W., Hady A.A., Ibrahim M., Hanna Y.S., “Studying the great solar proton events during the solar cycle 23”, IAU233 symposium, “Solar Activity and its Magnetic Origin”, 2006.
  78. Samwel S.W., Hanna Y.S., and Ibrahim M., “On Applying The Spline Technique For Fitting Different Kinds Of Data”, 10th General Scientific Meeting of NRIAG, 2004
  79. Samwel, S.W., Hanna Y.S., Ibrahim M., and Fahim G., “An application on Spline technique for fitting Helwan-SLR data”, 1st International conference on Engineering, Mathematics, and physics (EMP), May 14-16, Military Technical College, Cairo-Egypt, 2002
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