Yayınlanmış 1 Ocak 2017
| Sürüm v1
Konferans bildirisi
Açık
Experimental Investigations of Viscous Heating Effect of Thermocouples under Focused Ultrasound Applications
Oluşturanlar
- 1. TUBITAK, Natl Metrol Inst, Med Metrol Lab, Kocaeli, Turkey
- 2. Marmara Univ, Fac Technol, Elect & Elect Engn, Istanbul, Turkey
Açıklama
Realization of temperature characterization on focused ultrasound treatment devices by using tissue-mimicking phantom systems (Tissue-Mimicking Material, TMM) is indispensible in pre-clinical studies. In this survey, in order to examine the viscous heating effect of thermocouples, temperature rise due to excitation of a HIFU transducer has been measured by using two different types of T-type thermocouples embedded inside the TMM. In order to obtain the temperature values from the thermocouples more effectively, a PC-based multi-channel data acquisition and monitoring interface were developed by using LabVIEW graphical development platform. Measurements were carried out inside a TMM which has characteristics like human liver tissue. Temperature rise has been characterized for the different input ultrasonic powers (25 W, 38 W and 50 W) and frequencies (1,1 MHz and 3.3 MHz) and the time intervals applied (1 s, 2 s and 3 s). The temperature values obtained from two different types of T-type thermocouple were compared to each other and discrepancies between these two different thermocouple measurements were shown with the study.
Dosyalar
bib-644504a3-b1c0-42ad-b5bb-6cef8de31314.txt
Dosyalar
(286 Bytes)
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md5:b15d56469653c6353a0d8954f12d0fd6
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286 Bytes | Ön İzleme İndir |