5 documents found, page 1 of 1
Design and characterisation of customised-roughness beds for open-channel flow ...
Isidoro, Jorge; Martins, Ricardo; Pereira, Luísa Gomes; de Lima, João L.M.P.The use of laboratory channels or flumes for open-channel flow research is widespread. However, this type of equipment is often expensive, susceptible to damage, and require regular maintenance. In open-channel flow, the roughness of the channel bed is a critical property in governing the flow characteristics. Unfortunately, changing the bed properties, particularly its roughness, proves to be a challenging and...
A high-frequency low-cost technique for measuring small-scale water level fluct...
Isidoro, Jorge; Martins, Ricardo; Carvalho, Rita F.; de Lima, João L.M.P.Measuring and monitoring the water depth/level is a key issue when studying free-surface flows. These tasks are usually expensive in terms of time and money; however, even that expenditure is sometimes not enough to assure reliable and/or accurate results. Free-surface flows are complicated to deal with, as the instability caused by e.g., turbulence, wind, or air-entrainment, can cause important spatial and tem...
Liquid phase nonpoint source pollution dispersion through conveyance structures...
Moruzzi, Rodrigo B. [UNESP]; de Lima, João L.M.P.; Abrantes, João R.C.B.; Silveira, AlexandreMade available in DSpace on 2020-12-12T02:19:21Z (GMT). No. of bitstreams: 0 Previous issue date: 2020-12-01; Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq); Liquid-phase nonpoint source pollution dispersion and removal on sustainable urban drainage systems (SUDS) is an important issue for urban pollution mitigation which remains a challenge, as current researches mostly focus on pollutant...
Combining a thermal tracer with a transport model to estimate shallow flow velo...
Abrantes, João R.C.B.; Moruzzi, Rodrigo B. [UNESP]; de Lima, João L.M.P.; Silveira, Alexandre; Montenegro, Abelardo A.A.Made available in DSpace on 2019-10-06T16:11:34Z (GMT). No. of bitstreams: 0 Previous issue date: 2019-02-01; Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq); Fundação para a Ciência e a Tecnologia; Federación Española de Enfermedades Raras; For a long time, tracer techniques based on dyes, salts and more recently heat have been used to estimate shallow flow velocities. Traditionally, flow ...
Comparison of thermal, salt and dye tracing to estimate shallow flow velocities...
Abrantes, João R.C.B.; Moruzzi, Rodrigo B. [UNESP]; Silveira, Alexandre; de Lima, João L.M.P.Made available in DSpace on 2018-12-11T17:17:09Z (GMT). No. of bitstreams: 0 Previous issue date: 2018-02-01; The accurate measurement of shallow flow velocities is crucial to understand and model the dynamics of sediment and pollutant transport by overland flow. In this study, a novel triple-tracer approach was used to re-evaluate and compare the traditional and well established dye and salt tracer techniques ...