A Simple, New Type of Rotational Viscometer

Yaltkaya S., OZELSOY S.

INSTRUMENTATION SCIENCE & TECHNOLOGY, cilt.37, sa.6, ss.655-659, 2009 (SCI-Expanded) identifier identifier

  • Yayın Türü: Makale / Tam Makale
  • Cilt numarası: 37 Sayı: 6
  • Basım Tarihi: 2009
  • Doi Numarası: 10.1080/10739140903252105
  • Dergi Adı: INSTRUMENTATION SCIENCE & TECHNOLOGY
  • Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus
  • Sayfa Sayıları: ss.655-659
  • Anahtar Kelimeler: Lubricant, rotational viscometer, temperature, viscosity
  • Akdeniz Üniversitesi Adresli: Evet

Özet

The objective of this study was to construct a new type of rotational viscometer and to obtain the temperature dependence of the viscosities of fluids. A beaker containing 80mL of fluid was rotated and the variation of the angular velocity of the beaker was measured with a photogate using a frequency-voltage converter (FVC). Viscosity measurements were performed while heating the fluid. The variation of the viscosity with temperature was investigated for lubricants. The output of the FVC and the temperature probe (thermistor) were connected to a PC via an analog-to-digital converter (ADC).