New Development in Determination of Metal Volume Thermal Expansion Measurement Using Hydrostatic Weighing System (HWS)
Journal of Advanced Research in Fluid Mechanics and Thermal Sciences
Volume 58, No. 1, June 2019, Pages 78-83
Fazrul Mohd Nor1,*, Abd Rahman Tamuri2, Abd Khamim Ismail2
1 National Metrology Institute of Malaysia, 43900 Sepang, Malaysia
2 Department of Physics, Faculty of Science, Universiti Teknologi Malaysia, 81310 Skudai, Johor, Malaysia
*Corresponding author: email@example.com
Fazrul, Mohd Nor, et al. "New Development in Determination of Metal Volume Thermal Expansion Measurement Using Hydrostatic Weighing System (HWS)." Journal of Advanced Research in Fluid Mechanics and Thermal Sciences 58.1 (2019): 78-83.
Fazrul, M. N., Abd Rahman, T., & Abd Khamim, I.(2019). New Development in Determination of Metal Volume Thermal Expansion Measurement Using Hydrostatic Weighing System (HWS). Journal of Advanced Research in Fluid Mechanics and Thermal Sciences, 58(1), 78-83.
Fazrul Mohd Nor, Abd Rahman Tamuri, and Abd Khamim Ismail."New Development in Determination of Metal Volume Thermal Expansion Measurement Using Hydrostatic Weighing System (HWS)." Journal of Advanced Research in Fluid Mechanics and Thermal Sciences. 58, no. 1 (2019): 78-83.
Fazrul, M.N., Abd Rahman, T., Abd Khamim, I., 2019. New Development in Determination of Metal Volume Thermal Expansion Measurement Using Hydrostatic Weighing System (HWS). Journal of Advanced Research in Fluid Mechanics and Thermal Sciences 58(1), pp. 78-83.
Fazrul MN, Abd Rahman T, Abd Khamim I. New Development in Determination of Metal Volume Thermal Expansion Measurement Using Hydrostatic Weighing System (HWS). Journal of Advanced Research in Fluid Mechanics and Thermal Sciences. 2019;58(1): 78-83.
Hydrostatic weighing system; Volume thermal expansion; Dilatometer
Volume thermal expansion measurement of solid material is one of the most challenging issue in material industry especially when the size of the sample is large. The existing instruments such as dilatometer has a limitation to determine the volume thermal expansion due to various of samples sizes and shapes. In this study, a new and precise hydrostatic weighing system (HWS) has been proposed to fulfil various samples shapes and sizes in the volume thermal expansion determination. The performance of the developed HWS was tested and evaluated using several samples such as gold and tungsten. The volume thermal expansion of gold and tungsten rod measured using the HWS are 1.5×10-4 °C-1 and 7.7×10-5 °C-1 respectively with expanded uncertainty of 0.0003 °C-1. The results of the HWS measurement was verified and compared with dilatometer. The comparison results show En ? 1 indicated that the performance of the HWS is acceptable. Furthermore, it is cheaper than dilatometer with reasonable accuracy and traceable to SI unit.
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