Drag deorbit sub-system : (Record no. 175001)
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| 000 -LEADER | |
|---|---|
| fixed length control field | 04269namaa22004331i 4500 |
| 003 - CONTROL NUMBER IDENTIFIER | |
| control field | OSt |
| 005 - أخر تعامل مع التسجيلة | |
| control field | 20251102112151.0 |
| 008 - FIXED-LENGTH DATA ELEMENTS--GENERAL INFORMATION | |
| fixed length control field | 251019s2024 ua a|||frm||| 000 0 eng d |
| 040 ## - CATALOGING SOURCE | |
| Original cataloguing agency | EG-GICUC |
| Language of cataloging | eng |
| Transcribing agency | EG-GICUC |
| Modifying agency | EG-GICUC |
| Description conventions | rda |
| 041 0# - LANGUAGE CODE | |
| Language code of text/sound track or separate title | eng |
| Language code of summary or abstract | eng |
| -- | ara |
| 049 ## - Acquisition Source | |
| Acquisition Source | Deposit |
| 082 04 - DEWEY DECIMAL CLASSIFICATION NUMBER | |
| Classification number | 629.434 |
| 092 ## - LOCALLY ASSIGNED DEWEY CALL NUMBER (OCLC) | |
| Classification number | 629.434 |
| Edition number | 21 |
| 097 ## - Degree | |
| Degree | Ph.D |
| 099 ## - LOCAL FREE-TEXT CALL NUMBER (OCLC) | |
| Local Call Number | Cai01.13.01.Ph.D.2024.Ah.D |
| 100 0# - MAIN ENTRY--PERSONAL NAME | |
| Authority record control number or standard number | Ahmed Aboulftouh Mohamed Ahmed, |
| Preparation | preparation. |
| 245 10 - TITLE STATEMENT | |
| Title | Drag deorbit sub-system : |
| Remainder of title | A novel technology for cubesats deorbiting, attitude stabilization and space debris mitigation / |
| Statement of responsibility, etc. | by Ahmed Aboulftouh Mohamed Ahmed ; Supervision Prof. Dr. Mohamed Madbouli Abdelrhman, Prof. Dr. Gamal Mahmoud Sayed El-Bayoumi. |
| 246 15 - VARYING FORM OF TITLE | |
| Title proper/short title | نظام المقاومة الفرعي للخروج من المدار : |
| Remainder of title | تقنية حديثة لإزالة الأقمار الصناعية المكعبة من المدار وإستقرار وجهتها وتخفيف الحطام الفضائي / |
| 264 #0 - PRODUCTION, PUBLICATION, DISTRIBUTION, MANUFACTURE, AND COPYRIGHT NOTICE | |
| Date of production, publication, distribution, manufacture, or copyright notice | 2024. |
| 300 ## - PHYSICAL DESCRIPTION | |
| Extent | 131 pages : |
| Other physical details | illustrations ; |
| Dimensions | 30 cm. + |
| Accompanying material | CD. |
| 336 ## - CONTENT TYPE | |
| Content type term | text |
| Source | rda content |
| 337 ## - MEDIA TYPE | |
| Media type term | Unmediated |
| Source | rdamedia |
| 338 ## - CARRIER TYPE | |
| Carrier type term | volume |
| Source | rdacarrier |
| 502 ## - DISSERTATION NOTE | |
| Dissertation note | Thesis (Ph.D)-Cairo University, 2024. |
| 504 ## - BIBLIOGRAPHY, ETC. NOTE | |
| Bibliography, etc. note | Bibliography: pages 100-106. |
| 520 #3 - SUMMARY, ETC. | |
| Summary, etc. | In the first part of this thesis, we used a special perturbation technique as an orbit propagator to model orbital motion and predict the behavior of Cube satellites subjected to perturbations. This technique is a high-precision numerical approach via Cowell's formulation with adaptive step size Runge-Kutta-Fehlberg (RKF78) for numerical integration. The second part of this thesis focuses on the detailed design considerations for implementing a drag deorbit subsystem as a passive attitude actuator. This includes optimizing the geometric characteristics according to stability and lifetime requirements. The effect of the proposed technology on CubeSats attitude stability in different modes of operation is analyzed. Furthermore, numerical simulations are made to assess the performance of the proposed subsystem under different scenarios. The results demonstrate the effectiveness of the drag deorbit subsystem in achieving improved attitude stability and accelerating the decay rate at the end of space mission to mitigate the development of space debris. |
| 520 #3 - SUMMARY, ETC. | |
| Summary, etc. | في الجزء الأول من هذه الأطروحة، استخدمنا تقنية اضطراب خاصة كسريان مداري لنمذجة الحركة المدارية والتنبؤ بسلوك الاقمار الصناعية المعرضة للاضطرابات. هذه التقنية هي نهج رقمي عالي الدقة من خلال صياغة Cowell بحجم خطوة متكيف بطريقة RKF78 للتكامل العددي. يركز الجزء الثاني من هذه الأطروحة على اعتبارات التصميم التفصيلية لتنفيذ نظام فرعي لإزالة الأقمار وكمتحكم سلبي للوجهة. يتم تحليل تأثير التكنولوجيا المقترحة على استقرار وجهة القمر في مداره. علاوة على ذلك، يتم إجراء محاكاة رقمية لتقييم أداء النظام الفرعي المقترح في ظل سيناريوهات مختلفة. توضح النتائج فعالية نظام السحب الفرعي في تحقيق استقرار أفضل للموقف واضمحلال المدار في نهاية المهمة الفضائية للحد من تطور الحطام الفضائي. |
| 530 ## - ADDITIONAL PHYSICAL FORM AVAILABLE NOTE | |
| Issues CD | Issues also as CD. |
| 546 ## - LANGUAGE NOTE | |
| Text Language | Text in English and abstract in Arabic & English. |
| 650 #0 - SUBJECT ADDED ENTRY--TOPICAL TERM | |
| Topical term or geographic name entry element | Artificial satellites |
| 650 #0 - SUBJECT ADDED ENTRY--TOPICAL TERM | |
| Topical term or geographic name entry element | الاقمار الصناعية |
| 653 #1 - INDEX TERM--UNCONTROLLED | |
| Uncontrolled term | Space debris |
| -- | CubeSats |
| -- | Deorbiting |
| -- | Atmospheric drag |
| -- | Passive Stability |
| 700 0# - ADDED ENTRY--PERSONAL NAME | |
| Personal name | Mohamed Madbouli Abdelrahman |
| Relator term | thesis advisor. |
| 700 0# - ADDED ENTRY--PERSONAL NAME | |
| Personal name | Gamal Mahmoud Sayed El-Bayoumi |
| Relator term | thesis advisor. |
| 900 ## - Thesis Information | |
| Grant date | 01-01-2024 |
| Supervisory body | Mohamed Madbouli Abdelrahman |
| -- | Gamal Mahmoud Sayed El-Bayoumi |
| Universities | Cairo University |
| Faculties | Faculty of Engineering |
| Department | Department of Aerospace Engineering |
| 905 ## - Cataloger and Reviser Names | |
| Cataloger Name | Shimaa |
| Reviser Names | Eman Ghareb |
| 942 ## - ADDED ENTRY ELEMENTS (KOHA) | |
| Source of classification or shelving scheme | Dewey Decimal Classification |
| Koha item type | Thesis |
| Edition | 21 |
| Suppress in OPAC | No |
| Source of classification or shelving scheme | Home library | Current library | Date acquired | Inventory number | Full call number | Barcode | Date last seen | Effective from | Koha item type |
|---|---|---|---|---|---|---|---|---|---|
| Dewey Decimal Classification | المكتبة المركزبة الجديدة - جامعة القاهرة | قاعة الرسائل الجامعية - الدور الاول | 19.10.2025 | 92217 | Cai01.13.01.Ph.D.2024.Ah.D | 01010110092217000 | 19.10.2025 | 19.10.2025 | Thesis |