DEVELOPMENT AND EVALUATION OF CUPS ANEMOMETER OF EASY CONSTRUCTION AND OPERATION

Authors

  • Carlos Augusto de Paiva Sampaio
  • Mário Nestor Ullmann
  • Mariana Camargo

Keywords:

cup anemometer, velocity of wind, wind tunnel.

Abstract

The objective of this study was to construct and evaluate a cups anemometer (prototype) with digital readings of instantaneous, average and maximum wind speeds, using cheap and easy building materials. The prototype sensor is compound of three ladles fixed to a rotor mounted on a spindle free. The gauge consists of a permanent magnet, where a spindle rotates the pole. This produces a variable magnetic field, which indicates directly the wind speed in a crystal liquid display. The prototype calibration was performed in the laboratory, at a wind tunnel, comparing its speed with values measured by a highly accurate standard anemometer. The results showed that the prototype presented a starting speed of 0.70 m.s-1 and the digital measure presented sensibility for speedreadings above 0.85 m.s-1. There were no differences (P<0.05) between the wind speeds measured with the prototype and the standard anemometer.

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How to Cite

SAMPAIO, Carlos Augusto de Paiva; ULLMANN, Mário Nestor; CAMARGO, Mariana. DEVELOPMENT AND EVALUATION OF CUPS ANEMOMETER OF EASY CONSTRUCTION AND OPERATION. Revista de Ciências Agroveterinárias, Lages, v. 4, n. 1, p. 11–16, 2005. Disponível em: https://revistas.udesc.br/index.php/agroveterinaria/article/view/5400. Acesso em: 21 nov. 2024.

Issue

Section

Research Article - Related Areas

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