Investigating the behaviour of thin-film flows RESEARCH & DEVELOPMENT FEATURE
Imperial College London (UK) is using a FLIR Systems’ X6540sc thermal imaging camera to conduct innovative heat transfer experiments on thin-film flows. Studying heat transfer in thin-film flows is the key to enabling the accurate prediction of complex hydrodynamic processes, crucial for the design of many engineering systems that rely on these flows
R
esearch within the Clean Energy Processes group at the Chemical
Engineering Department of Imperial College London is aimed at the development and employment of new imaging techniques for conducting simultaneous spatiotemporal measurements of thickness, velocity, temperature and heat flux in thin-film flows. Dr Alexandros Charogiannis, a Postdoctoral Research Associate commented: “Being able to conduct high resolution (640 x 512 pixel) IR thermography measurements at high frame rates (100Hz) using the FLIR X6540sc camera will allow us to gain an unprecedented insight into the flow dynamics of a great range of flow regimes of gravity-driven thin film flows, gas- /shear-driven horizontal film flows and Marangoni flows”. He added: “During our evaluation process to select a thermal imaging camera we looked into 12 different camera options from FLIR and other
features a 640 × 512 digital InSb detector with spectral sensitivity from 1.5 to 5.5µm and a f/3 aperture. It provides images up to 125Hz in full frame and up to 4011Hz in a 64 × 8 subwindowing mode. Features on this research grade camera
companies. The excellent results from the demonstration of the X6540sc on our own thin film set-up coupled with FLIR's strong applications support convinced us that this camera was the optimum component to supplement our experimental setup”.
THERMAL IMAGING CAMERA The FLIR X6540sc thermal imaging camera provides ultra-fast frame-rate acquisition for applications involving dynamic thermal events. The device
Figure1: Conducting spatiotemporal
measurements of thickness, velocity, temperature and heat flux in thin-film flows using the FLIR thermal imaging camera
include high thermal sensitivity, snapshot imagery, a motorised spectral filter wheel and a detachable touch-screen LCD. The camera connects to ResearchIR Max R&D software for thermal imaging data acquisition, analysis and reporting. The X6540sc can be temperature-calibrated up to 300°C, or up to 3000°C with spectral and/or neutral density filters, and it provides measurement accuracy of ±1°C for standard configurations.
FLIR
www.flir.com +32-3665-5100
Enter 3
Page 1 |
Page 2 |
Page 3 |
Page 4 |
Page 5 |
Page 6 |
Page 7 |
Page 8 |
Page 9 |
Page 10 |
Page 11 |
Page 12 |
Page 13 |
Page 14 |
Page 15 |
Page 16 |
Page 17 |
Page 18 |
Page 19 |
Page 20 |
Page 21 |
Page 22 |
Page 23 |
Page 24 |
Page 25 |
Page 26 |
Page 27 |
Page 28 |
Page 29 |
Page 30 |
Page 31 |
Page 32 |
Page 33 |
Page 34 |
Page 35 |
Page 36 |
Page 37 |
Page 38 |
Page 39 |
Page 40 |
Page 41 |
Page 42 |
Page 43 |
Page 44 |
Page 45 |
Page 46 |
Page 47 |
Page 48 |
Page 49 |
Page 50 |
Page 51 |
Page 52 |
Page 53 |
Page 54 |
Page 55 |
Page 56 |
Page 57 |
Page 58 |
Page 59 |
Page 60 |
Page 61 |
Page 62 |
Page 63 |
Page 64 |
Page 65 |
Page 66 |
Page 67 |
Page 68 |
Page 69 |
Page 70 |
Page 71 |
Page 72 |
Page 73 |
Page 74 |
Page 75 |
Page 76 |
Page 77 |
Page 78 |
Page 79 |
Page 80 |
Page 81 |
Page 82 |
Page 83 |
Page 84 |
Page 85 |
Page 86 |
Page 87 |
Page 88 |
Page 89 |
Page 90 |
Page 91 |
Page 92 |
Page 93 |
Page 94 |
Page 95 |
Page 96 |
Page 97 |
Page 98 |
Page 99 |
Page 100 |
Page 101 |
Page 102 |
Page 103 |
Page 104 |
Page 105 |
Page 106 |
Page 107 |
Page 108 |
Page 109 |
Page 110 |
Page 111 |
Page 112