Problem 4: Wind Speed

Let an electric current flow through a coil. When cold air flows over the coil, the coil’s temperature will decrease. Investigate how the temperature drop depends on the wind
speed. What is the accuracy of this method of measuring the wind speed?

I. Phenomenon Demonstration

II. Books, Encyclopedia, Discussion and Forum Posts

III. Research Papers

  • Andrews, G. ., Bradley, D., & Hundy, G. . (1972). Hot wire anemometer calibration for measurements of small gas velocities. International Journal of Heat and Mass Transfer, 15(10), 1765–1786. doi:10.1016/0017-9310(72)90053-1
  • McQuaid, J., & Wright, W. (1973). The response of a hot-wire anemometer in flows of gas mixtures. International Journal of Heat and Mass Transfer, 16(4), 819–828. doi:10.1016/0017-9310(73)90093-8
  • Bullock, K. J., Ledwich, M. A., & Lai, J. C. S. (1985). Numerical simulation of transient response of heat transfer from a hot-wire anemometer transducer. International Journal of Heat and Fluid Flow, 6(1), 57–65. doi:10.1016/0142-727x(85)90034-7
  • Davies, T. W. (1986). Modelling the response of a hot-wire anemometer. Applied Mathematical Modelling, 10(4), 256–261. doi:10.1016/0307-904x(86)90055-7
  • Perry, A. & Morrison, Graham. (1971). A study of the constant-temperature hot-wire anemometer. Journal of Fluid Mechanics. 47. 577 – 599. 10.1017/S0022112071001241. 

  • Corrsin, S. (1947). Extended Applications of the Hot‐Wire Anemometer. Review of Scientific Instruments, 18(7), 469-471. doi:10.1063/1.1740981