Výsledky vyhledávání

Calibration of Moisture Sensing with Subsurface Heated Fiber Optics using Numerical Simulation

Autor: Benítez Buelga, Javier, Sayde, C., Rodríguez Sinobas, Leonor, Sánchez Calvo, Raúl

Publikováno v: Water Resources Research, ISSN 0395-2037, 2016-04, Vol. 52, No. 4
Archivo Digital UPM
Universidad Politécnica de Madrid

The heat pulse probe method can be implemented with actively heated fiber optics (AHFO) to obtain distributed measurements of soil water content (θ) by using reported soil thermal responses measured by Distributed Temperature Sensing (DTS) and with

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::895dfe97e87f0c9e16dda893a91dd560
https://oa.upm.es/46350/

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Heated fiber optic distributed temperature sensing for measuring soil volumetric heat capacity and water content: A dual probe heat-pulse approach

Autor: Benitez Buelga, Javier, Sayde, C., Rodríguez Sinobas, Leonor, Selker, J.

Publikováno v: Vadose Zone Journal, ISSN 1539-1663, 2014-11, Vol. 13, No. 11
Archivo Digital UPM
Universidad Politécnica de Madrid

The first feasibility study of using dual-probe heated fiber optics with distributed temperature sensing to measure soil volumetric heat capacity and soil water content is presented. Although results using different combinations of cables demonstrate

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::5f37f63f9e3535dc26cc3d81959b4975
https://oa.upm.es/36212/

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Feasibility of soil moisture monitoring with heated fiber optics

Autor: Sayde, C., Gregory, C., Gil-Rodriguez, M., Tufillaro, N., Tyler, S., Van de Giesen, N.C., English, M., Cuenca, R., Selker, J.S.

Publikováno v: Water Resources Research, 46, 2010

Accurate methods are needed to measure changing soil water content from meter to kilometer scales. Laboratory results demonstrate the feasibility of the heat pulse method implemented with fiber optic temperature sensing to obtain accurate distributed

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=narcis______::28ea0e7d03970bfe577e6702bfede92d
http://resolver.tudelft.nl/uuid:d8bfe431-2d9a-40bf-8bf3-c275b20fbbaa

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Potential of the active heat pulse method with fiber optic temperature sensing for estimation of water content and infiltration in agricultural soils

Autor: Sayde, C., Selker, J., English, M., Rodríguez Sinobas, Leonor, Gil Rodríguez, María, Sánchez Calvo, Raúl, Benitez Buelga, Javier

Publikováno v: Actas del workshop "Optimizing and integrating predictions of agricultural soil > and water conservation models at different scales " | Workshop "Optimizing and integrating predictions of agricultural soil > and water conservation models at different scales " | 27/09/2010-29/09/2010 | Baena, Jaén
Archivo Digital UPM
Universidad Politécnica de Madrid

The principle of temperature measurement along a fiber optic cable is based on the thermal sensitivity of the relative intensities of backscattered Raman Stokes and anti Stokes photons that arise from collisions with electrons in the core of the glas

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::1f489eb3748a859a0405f0324ec862d9
http://oa.upm.es/8866/

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