Design, modeling, and experimental investigations of the piezoelectric energy harvesting of vortex-induced vibrations by bionic structures (Record no. 611405)

000 -LEADER
fixed length control field 02543nam a22001577a 4500
082 ## - DEWEY DECIMAL CLASSIFICATION NUMBER
Classification number 621
100 ## - MAIN ENTRY--PERSONAL NAME
Personal name KHAN ,WAJID
245 ## - TITLE STATEMENT
Title Design, modeling, and experimental investigations of the piezoelectric energy harvesting of vortex-induced vibrations by bionic structures
Statement of responsibility, etc. WAJID KHAN
264 ## - PRODUCTION, PUBLICATION, DISTRIBUTION, MANUFACTURE, AND COPYRIGHT NOTICE
Place of production, publication, distribution, manufacture Islamabad :
Name of producer, publisher, distributor, manufacturer SMME- NUST;
Date of production, publication, distribution, manufacture, or copyright notice 2024.
300 ## - PHYSICAL DESCRIPTION
Extent 75p. ;
Other physical details Soft Copy
Dimensions 30cm.
500 ## - GENERAL NOTE
General note The study is aiming at the effectiveness of the energy harvesting performance in the wake<br/>of various modified bluff bodies through piezoelectric material. These wake dynamics can<br/>be correlated to the behavior of high-rise buildings, automobiles, in air and submerged<br/>bodies in the water. The applications in the energy requirements include the powering of<br/>acoustic sensor, pressure measurement, ultrasonics, and many other industrial<br/>electromechanical systems that autonomously operated through sensors and actuators.<br/>Hence the need for heavy batteries powering these sensor systems and in turn ensuring a<br/>clean environment. Nine modified bluff bodies with 3, 4, and 5 columns of hemispherical<br/>protrusions with 9, 11, and 13mm diameters are arranged over the surface of the cylinders<br/>and have been investigated for the energy harvesting in their wakes with a piezoelectric<br/>membrane. All the bodies are studied at two flow speeds of 0.15m/s and 0.30m/s and<br/>compared them the results of the simple circular cylinder outcomes. The findings showed<br/>that the 4 columns arrangements have shown a greater output power efficiency with a 41%<br/>increase in the power gain following by the 5 column bodies with a 29% increase while the<br/>3 column bodies have shown a power output lagging by about 19%, compared to the simple<br/>cylinder output. The power output is greatly affected by the size and orientation of the<br/>protrusions, the flow speeds, and the streamwise gaps (Gs). Hemispheres with increasing<br/>diameter shown an increasing trend in the power generation. The optimum streamwise gaps<br/>range discovered in this study is 2D ≤ Gs ≤ 3D. The experimentations have been validated<br/>in parallel through the results of the dynamics (frequency and amplitude of oscillations) of<br/>the piezoelectric membrane captured by a camera during the experimentations. Particle<br/>Image Velocimetry (PIV) technique has been used and validated the experimental findings.
650 ## - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element MS Mechanical Engineering
700 ## - ADDED ENTRY--PERSONAL NAME
Personal name Supervisor: Dr. Prof. Emad Ud Din
856 ## - ELECTRONIC LOCATION AND ACCESS
Uniform Resource Identifier <a href="http://10.250.8.41:8080/xmlui/handle/123456789/46383">http://10.250.8.41:8080/xmlui/handle/123456789/46383</a>
942 ## - ADDED ENTRY ELEMENTS (KOHA)
Source of classification or shelving scheme
Koha item type Thesis
Holdings
Withdrawn status Permanent Location Current Location Shelving location Date acquired Full call number Barcode Koha item type
  School of Mechanical & Manufacturing Engineering (SMME) School of Mechanical & Manufacturing Engineering (SMME) E-Books 09/06/2024 621 SMME-TH-1064 Thesis
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