The influence of sensor placement on in-situ ultrasound wave velocity measurement.

Arriaga Martitegui, Francisco; Fernandez Llana, Daniel; Martinez Lopez, Roberto; Esteban Herrero, Miguel y Iñiguez Gonzalez, Guillermo (2015). The influence of sensor placement on in-situ ultrasound wave velocity measurement.. En: "19th International Nondestructive Testing and Evaluation of Wood Symposium", September 22–25, 2015, Río de Janeiro. pp. 443-452.

Descripción

Título: The influence of sensor placement on in-situ ultrasound wave velocity measurement.
Autor/es:
  • Arriaga Martitegui, Francisco
  • Fernandez Llana, Daniel
  • Martinez Lopez, Roberto
  • Esteban Herrero, Miguel
  • Iñiguez Gonzalez, Guillermo
Tipo de Documento: Ponencia en Congreso o Jornada (Artículo)
Título del Evento: 19th International Nondestructive Testing and Evaluation of Wood Symposium
Fechas del Evento: September 22–25, 2015
Lugar del Evento: Río de Janeiro
Título del Libro: General Technical Report FPL-GTR-239 ? Proceedings: 19th International Nondestructive Testing and Evaluation of Wood Symposium
Fecha: 2015
Materias:
Escuela: E.T.S.I. Montes (UPM) [antigua denominación]
Departamento: Ingeniería y Gestión Forestal y Ambiental
Licencias Creative Commons: Reconocimiento - Sin obra derivada - No comercial

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Resumen

Ultrasound wave velocity was measured in 30 pieces of Spanish Scots pine (Pinus sylvestris L.), 90 x 140 mm in cross-section and 4 m long. Five different sensor placement arrangements were used: end to end (V0), face to opposite face, edge to opposite edge, face to same face and edge to same edge. The pieces were successively shortened to 3, 2 and 1 m, in order to obtain these velocities and their ratios to reference value V0 for different lengths and angles with respect to the piece axis for the crossed measurements. The velocity obtained in crossed measurements is lower than V0. A correction coefficient for crossed velocities is proposed, depending on the angle, to adjust them to the V0 benchmark. The velocities measured on a surface, are also lower than V0, and their ratio with respect to V0 is close to 0.97 for distances equal to or greater than 18 times the depth of the beam.

Más información

ID de Registro: 38399
Identificador DC: http://oa.upm.es/38399/
Identificador OAI: oai:oa.upm.es:38399
Depositado por: Memoria Investigacion
Depositado el: 24 Nov 2015 11:56
Ultima Modificación: 06 Jun 2016 12:50
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