TY - GEN
T1 - An experimental method for effusivity determination of different scratched temperature sensors
AU - Mohammed, H.
AU - Salleh, H.
AU - Yusoff, M. Z.
PY - 2009
Y1 - 2009
N2 - This paper presents an experimental method for evaluating the effusivity values of different scratched temperature sensors. These sensors have a response time on the order of microseconds (50 μs) with a rise time less than (0.3 μs). Two types of scratch were used, mainly abrasive papers with different grit sizes and scalpel blades with different thicknesses to form the sensor junction. The effect of scratch technique on the sensor's effusivity is also investigated. The sensors were tested and calibrated in the test section of a shock tube facility at different operating conditions. It was observed that the effusivity of a particular sensor depends on the Mach number, scratch technique, junction location as well as on the enthalpy condition. It was also noticed that sensor scratched using scalpel blade technique does not require an individual calibration. However, for sensor scratched using abrasive paper technique, a calibration for each sensor is likely to be required. The present results have provided useful and practical data of the effusivity values for different scratched temperature sensors. These data are beneficial to the experimentalists in the field and it can be used for accurate transient heat transfer rate measurements.
AB - This paper presents an experimental method for evaluating the effusivity values of different scratched temperature sensors. These sensors have a response time on the order of microseconds (50 μs) with a rise time less than (0.3 μs). Two types of scratch were used, mainly abrasive papers with different grit sizes and scalpel blades with different thicknesses to form the sensor junction. The effect of scratch technique on the sensor's effusivity is also investigated. The sensors were tested and calibrated in the test section of a shock tube facility at different operating conditions. It was observed that the effusivity of a particular sensor depends on the Mach number, scratch technique, junction location as well as on the enthalpy condition. It was also noticed that sensor scratched using scalpel blade technique does not require an individual calibration. However, for sensor scratched using abrasive paper technique, a calibration for each sensor is likely to be required. The present results have provided useful and practical data of the effusivity values for different scratched temperature sensors. These data are beneficial to the experimentalists in the field and it can be used for accurate transient heat transfer rate measurements.
KW - Effusivity determination
KW - Experimental method
KW - Scratched technique
KW - Temperature sensors, shock tube
UR - https://www.scopus.com/pages/publications/77949607151
U2 - 10.1109/ICEENVIRON.2009.5398639
DO - 10.1109/ICEENVIRON.2009.5398639
M3 - Conference contribution
AN - SCOPUS:77949607151
SN - 9781424451456
T3 - ICEE 2009 - Proceeding 2009 3rd International Conference on Energy and Environment: Advancement Towards Global Sustainability
SP - 240
EP - 250
BT - ICEE 2009 - Proceeding 2009 3rd International Conference on Energy and Environment
ER -