Schmeling, Daniel and Czapp, Marek and Bosbach, Johannes and Wagner, Claus (2010) Development of combined particle image velocimetry and particle image thermography for air flows. International Heat Transfer Conference 2010 (IHTC-14), 2010-08-08 - 2010-08-13, Washington D.C., USA. ISBN 978-0-7918-3879-2.
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Official URL: http://www.asmeconferences.org/ihtc14/
Abstract
Simultaneous measurements of instantaneous velocity and temperature fields of air flows by means of Particle Image Velocimetry (PIV) and Particle Image Thermography (PIT) enables highly demanded studies on thermal plumes, their dynamics and the resulting heat transfer for Pr approximately 0.7. Thereby, small particles of thermochromic liquid crystals (TLCs), which reveal temperature depending reflection properties are used as tracer particles for combined PIT and PIV. The feasibility of the method is demonstrated in a Rayleigh-Benard convection experiment in a cubical enclosure. Furthermore, a new particle generator being able to produce continuously very small monodisperse droplets of TLCs has been designed. The improvement of the developmental process for mixed and Rayleig-Benard convection studies is discussed. Thereby, special focus is laid on the production process of small TLCs, the generation of monodisperse acetone-TLC droplets and the temperature depending colour play of the produced particles.
Item URL in elib: | https://elib.dlr.de/63007/ | ||||||||||||||||||||
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Document Type: | Conference or Workshop Item (Paper, Poster) | ||||||||||||||||||||
Additional Information: | Order No. 1846DV | ||||||||||||||||||||
Title: | Development of combined particle image velocimetry and particle image thermography for air flows | ||||||||||||||||||||
Authors: |
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Date: | 2010 | ||||||||||||||||||||
Refereed publication: | Yes | ||||||||||||||||||||
Open Access: | No | ||||||||||||||||||||
Gold Open Access: | No | ||||||||||||||||||||
In SCOPUS: | No | ||||||||||||||||||||
In ISI Web of Science: | No | ||||||||||||||||||||
Page Range: | pp. 1-8 | ||||||||||||||||||||
Series Name: | Conference Proceedings on CD-ROM | ||||||||||||||||||||
ISBN: | 978-0-7918-3879-2 | ||||||||||||||||||||
Status: | Published | ||||||||||||||||||||
Keywords: | Particle Image Velocimetry, Particle Image Thermography, thermochromic liquid crystals, Rayleigh-Benard convection | ||||||||||||||||||||
Event Title: | International Heat Transfer Conference 2010 (IHTC-14) | ||||||||||||||||||||
Event Location: | Washington D.C., USA | ||||||||||||||||||||
Event Type: | international Conference | ||||||||||||||||||||
Event Start Date: | 8 August 2010 | ||||||||||||||||||||
Event End Date: | 13 August 2010 | ||||||||||||||||||||
Organizer: | ASME | ||||||||||||||||||||
HGF - Research field: | Aeronautics, Space and Transport | ||||||||||||||||||||
HGF - Program: | Aeronautics | ||||||||||||||||||||
HGF - Program Themes: | Aircraft Research (old) | ||||||||||||||||||||
DLR - Research area: | Aeronautics | ||||||||||||||||||||
DLR - Program: | L AR - Aircraft Research | ||||||||||||||||||||
DLR - Research theme (Project): | L - Flight Physics (old) | ||||||||||||||||||||
Location: | Göttingen | ||||||||||||||||||||
Institutes and Institutions: | Institute of Aerodynamics and Flow Technology > Fluid Systems | ||||||||||||||||||||
Deposited By: | Schmeling, Dr Daniel | ||||||||||||||||||||
Deposited On: | 01 Feb 2010 13:58 | ||||||||||||||||||||
Last Modified: | 24 Apr 2024 19:28 |
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