NUST Institutions Library Catalogue Search for 'kw,wrdl: (su-br:"Operating Systems")'

Carrier-scale IP networks : designing and operating Internet networks

London : Institution of Electrical Engineers, 2001 . xvi, 293 p. : 24 cm.. 0852969821

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Windows NT server 4 : professional reference

By Siyan, Karanjit. Indianapolis, Ind. : New Riders Pub. 1996 . iv, 1343 p. ; 24 cm.. 1562057316

Running Linux

By Dalheimer, Matthias Kalle.. Beijing ; | Sebastopol, Calif. : O'Reilly, 2006 . xviii, 951 p. : , Previous ed. by Matt Welsh et al. 2002. | Includes index. 23 cm.. 0596007604

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Version control with subversion

By Pilato, C. Michael. Sebastopol, CA : O'Reilly, 2008 . 404 p. ; 24 cm.. 9780596510336 | 0596510330

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Embedded System Design /

By Marwedel, Peter. 9789400702561

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Power equipment engine technology /

By Abdo, Edward.. Clifton Park, NY : Delmar/Cengage Learning, 2011 . 1 online resource (xii, 398 pages) : , Includes index. 9781418053888

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AIX for breakfast : a guide for programmers and system administrators /

By Houtz, Phillip.. Upper Saddle River, NJ : Prentice Hall PTR, 1996 . xi, 498 p. : , Includes index. 24 cm.. 0133996840

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Before the Federal Communications Commission /

By Cahill John T. London National broadcasting company 1953 . 697p

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Security strategies in Linux platforms and applications /

By Jang, Michael H.. Sudbury, MA : Jones & Bartlett Learning, 2011 . xxiii, 509 p. : 24 cm.. 076379189X | 9780763791896

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Principles of water treatment /

Hoboken : Wiley, 2012 . xvii, 654 pages : , Includes index. 25 cm.. 9780470405383 (hardback)

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Computer science : an overview /

By Brookshear, J.Glenn.. [S.l.] : Benjamin-Cummings Publishing Co.,Subs. of Addison Wesley Longman,US, 1985 . 453 p. ; , Paperback. 23 cm.. 0805309004 | 9780805309003

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Photovoltaic design & installation for dummies /

By Mayfield, Ryan.. Hoboken, NJ : Wiley, 2010 . xviii, 366 p. : , Includes index. 24 cm.. 9780470598931 | 047059893X

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Grid integration of wind energy : onshore and offshore conversion systems /

By Heier, Siegfried.. London Wiley 2014 . pxxi, 494 pages : , Translation of: Windkraftanlagen im Netzbetrieb. 26 cm. 9781119962946 (hardback)

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Thermodynamics In Nuclear Power Plant Systems

By Zohuri, Bahman.. London: Springer, 2015 9783319134192 | 9783319134185 (print)

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The art of memory forensics : detecting malware and threats in Windows, Linux, and Mac memory /

By Ligh, Michael Hale.. . xxiii, 886 pages : 24 cm. 9781118825099 (pbk.) | 1118825098 (pbk.) | 9781118825044 (ebk.) | 1118825047 (ebk.) | 9781118824993 (ebk.) | 1118824997 (ebk.)

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Small hydroelectric engineering practice /

By Brown J Guthrie. Delhi CBS Publishers & Distributers 1984 . xxi, 229 pages : 26 cm +. 9781138000988 (hardback)

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Design and Development of Toroidal Propeller for Drone Applications /

By Ali, Aarib Irfan . . 182p. , The demand for low-noise and ecient propulsion systems for unmanned aerial vehicles has driven research into unconventional propeller designs. One such promising conguration is the toroidal propeller, which has gained attention for its potential to reduce noise emissions while maintaining or improving aerodynamic performance. The research follows a methodology that begins with an extensive literature review and operating point selection to dene the design requirements and constraints. A validated computational setup was developed using unsteady RANS-based CFD simulations. Several toroidal propeller concepts were initially generated, out of which a baseline model was selected for further study. The baseline design was optimized using a Design of Experiments response surface methodology and obtain an optimized propeller with maximum thrust and reduced noise. Sensitivity analysis was carried out to assess the inuence of individual parameters on thrust, torque, and noise. The optimized design showed signicant improvements in thrust with considerable reduction in noise as compared to initial concepts. Aeroacoustic analysis was also performed to evaluate the noise characteristics of the toroidal conguration. Using broadband noise models, the toroidal propeller demonstrated promising reductions in tonal noise components, making it suitable for operations in noise-sensitive environments. To validate the computational ndings, experimentation validation was also performed. The optimized toroidal propeller was evaluated using ve dierent materials: ABS, PLA, PETG, CF PETG, and an Engineering Resin via Finite Element Analysis. Suitable manufacturing methods were employed and a custom test bench conguration XXII was built to test the propeller thrust and noise. The propeller was tested under controlled conditions for thrust and noise. The experimental results matched closely with the computational results and veried the validity of toroidal propelelr as viable replacement of traditional propellers for UAVs, oering advantages in both thrust and acoustic performance. The toroidal propeller showed higher value of thrust over complete range of RPM and and delivering upto 35% more thrust than traditional propeller at 15,000RPM. In addition, it also had a lower acoustic signature and was 11% quieter than the traditional propeller. The successful integration of computational design, optimization, and experimental validation demonstrates the practical potential of this novel propeller architecture. Furthermore, the research lays a foundation for future work involving transient LES acoustic modeling, in-ight testing, and applicationspecic customization of toroidal designs. 30cm.

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