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EnglishThe development of a flat heat-pipe-based hot plate operating in the temperature range from ambient to 200 ◦C is presented here. The aim of the designwas to improve the heat-transfer performance in order to provide almost ideal thermal uniformity of surface and volume temperature profiles, thereby ensuring a minimal temperature gradient and a small effective thermal resistance. The device was investigated to evaluate its performance in view of its potential use as a calibration apparatus for surface-temperature sensors. An accurate characterization was carried out to estimate the surface-temperature stability and uniformity under different thermal conditions. Measurement results showed temperature stability within 0.03 ◦C and uniformity of the heat-pipe (HP) hot-plate surface better than 0.08 ◦C. As a result of its high thermal conductivity, a small perturbation (<0.2 ◦C) of the temperature field both on the surface and inside the device chamber, when a contact probe is applied on its surface, was obtained. The study of the HP hot plate and the performed tests suggest that such a device has potential as a calibration apparatus for surface-temperature sensors.
Development of a Heat Pipe-based Hot Plate for Surface-Temperature Measurements / ROSSO L; KONEVA N.; FERNICOLA V. - In: INTERNATIONAL JOURNAL OF THERMOPHYSICS. - ISSN 0195-928X. - 30(2009), pp. 257-264.
| Titolo: | Development of a Heat Pipe-based Hot Plate for Surface-Temperature Measurements |
| Autori: | |
| Data di pubblicazione: | 2009 |
| Rivista: | |
| Citazione: | Development of a Heat Pipe-based Hot Plate for Surface-Temperature Measurements / ROSSO L; KONEVA N.; FERNICOLA V. - In: INTERNATIONAL JOURNAL OF THERMOPHYSICS. - ISSN 0195-928X. - 30(2009), pp. 257-264. |
| Abstract: | The development of a flat heat-pipe-based hot plate operating in the temperature range from ambient to 200 ◦C is presented here. The aim of the designwas to improve the heat-transfer performance in order to provide almost ideal thermal uniformity of surface and volume temperature profiles, thereby ensuring a minimal temperature gradient and a small effective thermal resistance. The device was investigated to evaluate its performance in view of its potential use as a calibration apparatus for surface-temperature sensors. An accurate characterization was carried out to estimate the surface-temperature stability and uniformity under different thermal conditions. Measurement results showed temperature stability within 0.03 ◦C and uniformity of the heat-pipe (HP) hot-plate surface better than 0.08 ◦C. As a result of its high thermal conductivity, a small perturbation (<0.2 ◦C) of the temperature field both on the surface and inside the device chamber, when a contact probe is applied on its surface, was obtained. The study of the HP hot plate and the performed tests suggest that such a device has potential as a calibration apparatus for surface-temperature sensors. |
| Handle: | http://hdl.handle.net/11696/34667 |
| Appare nelle tipologie: | 1.1 Articolo in rivista |
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