An investigation of passive performance enhancement of parabolic trough solar concentrators using internal radiation heat shields / (Record no. 81912)
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| 000 -LEADER | |
|---|---|
| fixed length control field | 02413cam a2200337 a 4500 |
| 003 - CONTROL NUMBER IDENTIFIER | |
| control field | EG-GiCUC |
| 005 - DATE AND TIME OF LATEST TRANSACTION | |
| control field | 20250223032808.0 |
| 008 - FIXED-LENGTH DATA ELEMENTS--GENERAL INFORMATION | |
| fixed length control field | 210830s2021 ua dh f m 000 0 eng d |
| 040 ## - CATALOGING SOURCE | |
| Original cataloging agency | EG-GiCUC |
| Language of cataloging | eng |
| Transcribing agency | EG-GiCUC |
| 041 0# - LANGUAGE CODE | |
| Language code of text/sound track or separate title | eng |
| 049 ## - LOCAL HOLDINGS (OCLC) | |
| Holding library | Deposite |
| 097 ## - Thesis Degree | |
| Thesis Level | M.Sc |
| 099 ## - LOCAL FREE-TEXT CALL NUMBER (OCLC) | |
| Classification number | Cai01.13.11.M.Sc.2021.Ma.I |
| 100 0# - MAIN ENTRY--PERSONAL NAME | |
| Personal name | Mahmoud Medhat Ibrahim Elbakry |
| 245 13 - TITLE STATEMENT | |
| Title | An investigation of passive performance enhancement of parabolic trough solar concentrators using internal radiation heat shields / |
| Statement of responsibility, etc. | Mahmoud Medhat Ibrahim Elbakry ; Supervised Mahmoud A.Kassem , Muhammed A. Hassan |
| 246 15 - VARYING FORM OF TITLE | |
| Title proper/short title | دراسة التحسن فى أداء المركزات الشمسية ذات القطع المكافئ المستخدمه للدروع الحرارية الانعكاسية الداخلية |
| 260 ## - PUBLICATION, DISTRIBUTION, ETC. | |
| Place of publication, distribution, etc. | Cairo : |
| Name of publisher, distributor, etc. | Mahmoud Medhat Ibrahim Elbakry , |
| Date of publication, distribution, etc. | 2021 |
| 300 ## - PHYSICAL DESCRIPTION | |
| Extent | 69 P. : |
| Other physical details | charts , facsimiles ; |
| Dimensions | 30cm |
| 502 ## - DISSERTATION NOTE | |
| Dissertation note | Thesis (M.Sc.) - Cairo University - Faculty of Engineering - Department of Mechanical Power Engineering |
| 520 ## - SUMMARY, ETC. | |
| Summary, etc. | This study investigates the performance enhancement of parabolic trough concentrators (PTCs) Using internal radiation heat shields in the annular space of the heat collection element. A 3D model based on Monte-Carlo ray tracing and computational {uFB02}uid dynamics is developed, validated, and used to examine 420 combinations of design and operating parameters.The proposed design outperformed the conventional one in the whole spectrum of operating conditions, except for a narrow range of low operating temperatures and high {uFB02}ow rates. Floating radiation heat shields with small diameters and large shading angles enhanced the temperature uniformity of heat collection element and showed the highest enhancement ratios of both energy and exergy ef{uFB01}ciencies, which were up to 15.4 and 14.4%, respectively. A radiation heat shield with a diameter of 75 mm and a shading angle of 150{u00B0} was found the best performing con{uFB01}guration for most operating conditions |
| 530 ## - ADDITIONAL PHYSICAL FORM AVAILABLE NOTE | |
| Additional physical form available note | Issued also as CD |
| 653 #4 - INDEX TERM--UNCONTROLLED | |
| Uncontrolled term | Parabolic trough concentrator |
| 653 #4 - INDEX TERM--UNCONTROLLED | |
| Uncontrolled term | Radiation heat shield |
| 653 #4 - INDEX TERM--UNCONTROLLED | |
| Uncontrolled term | Ray tracing |
| 700 0# - ADDED ENTRY--PERSONAL NAME | |
| Personal name | Mahmoud A.Kassem , |
| Relator term | |
| 700 0# - ADDED ENTRY--PERSONAL NAME | |
| Personal name | Muhammed A. Hassan , |
| Relator term | |
| 856 ## - ELECTRONIC LOCATION AND ACCESS | |
| Uniform Resource Identifier | <a href="http://172.23.153.220/th.pdf">http://172.23.153.220/th.pdf</a> |
| 905 ## - LOCAL DATA ELEMENT E, LDE (RLIN) | |
| Cataloger | Nazla |
| Reviser | Revisor |
| 905 ## - LOCAL DATA ELEMENT E, LDE (RLIN) | |
| Cataloger | Shimaa |
| Reviser | Cataloger |
| 942 ## - ADDED ENTRY ELEMENTS (KOHA) | |
| Source of classification or shelving scheme | Dewey Decimal Classification |
| Koha item type | Thesis |
| Source of classification or shelving scheme | Not for loan | Home library | Current library | Date acquired | Full call number | Barcode | Date last seen | Koha item type | Copy number |
|---|---|---|---|---|---|---|---|---|---|
| Dewey Decimal Classification | المكتبة المركزبة الجديدة - جامعة القاهرة | قاعة الرسائل الجامعية - الدور الاول | 11.02.2024 | Cai01.13.11.M.Sc.2021.Ma.I | 01010110084045000 | 22.09.2023 | Thesis | ||
| Dewey Decimal Classification | المكتبة المركزبة الجديدة - جامعة القاهرة | مخـــزن الرســائل الجـــامعية - البدروم | 11.02.2024 | Cai01.13.11.M.Sc.2021.Ma.I | 01020110084045000 | 22.09.2023 | CD - Rom | 84045.CD |