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Sound absorbing and insulating low-cost panels from end-of-life household materials for the development of vulnerable contexts in circular economy perspective
(Multidisciplinary Digital Publishing Institute, 2021-06-09)
Article
Open AccessFrom a construction point of view, neighborhoods with residents living at or below the poverty threshold are characterized by low energy efficiency buildings, in which people live in acoustic discomfort with no viable ... -
Increasing the operating range and energy production in Francis turbines by an early detection of the overload instability
(2021-08)
Article
Open AccessWith the increasing entrance of wind and solar power for the generation of electricity, more flexibility is demanded to hydropower plants. More flexibility means that hydro turbines have to increase the operating range ... -
Sustainable and low-cost solutions for thermal and acoustic refurbishment of old buildings
(Institute of Physics (IOP), 2021-04-01)
Article
Open AccessThis paper investigates the possibility to realize solutions for buildings thermal and acoustic refurbishment by using end-of-life household materials, such as cardboard, clothes, and egg-boxes. These solutions can be ... -
Conversion of End-of-Life Household Materials into Building Insulating Low-Cost Solutions for the Development of Vulnerable Contexts: Review and Outlook towards a Circular and Sustainable Economy
(2021-04-15)
Article
Open AccessIn a world increasingly aware of the environmental cost of the current production/ consumption model, the use of sustainable practices to reduce our environmental impact as a society becomes imperative. One way to reduce ... -
Dynamic model for axial motion of horizontal pelton turbine and validation in actual failure case
(2020-01-01)
Article
Open AccessPelton turbines are important machines for power generation from a renewable energy source such as water. For power rates below 20 MW, the rotor of Pelton turbines is usually in horizontal position. Considering ideal ... -
Análisis de las vibraciones y fluctuaciones de presión en una bomba turbina
(1992-03)
Article
Restricted access - publisher's policyEn este artículo se describe el análisis de las mediciones de presión no estacionaria y vibraciones en una bomba-turbina a fin de identificar el origen de las vibraciones en una estructura próxima a la central. Una excitación ... -
Improvement of cavitation mass transfer modeling by including Rayleigh–Plesset equation second order term
(2020-06-03)
Article
Restricted access - publisher's policyThe current study evaluates the effect of taking into account the second order term of the Rayleigh– Plesset equation for the numerical simulation of cavitation with homogeneous mixture models. For that, the corrected ... -
Dynamic response of Pelton runners: Numerical and experimental analysis in prototypes
(Elsevier, 2020-09-01)
Article
Restricted access - publisher's policyWorldwide electricity generation is featured by the growth of intermittent renewable energies. In this context, hydropower plays a fundamental role because it provides flexibility to the power grid and ensures its stability. ... -
Numerical simulation of cavitation erosion aggressiveness induced by unsteady cloud cavitation
(Multidisciplinary Digital Publishing Institute, 2020-08-01)
Article
Open AccessA numerical investigation of the erosion aggressiveness of leading edge unsteady cloud cavitation based on the energy balance approach has been carried out to ascertain the main damaging mechanisms and the influence of the ... -
Transposition of the mechanical behavior from model to prototype of Francis turbines
(Elsevier, 2020-06-01)
Article
Restricted access - publisher's policyHydropower is nowadays essential for balancing the electrical grid providing flexibility and fast response. The role of hydraulic turbines has changed from working at their Best Efficiency Point (BEP) to work in the whole ... -
Presa de Caruachi. Estudio del comportmiento hidráulico de las compuertas de los conductos de desvío
(2002-07)
Article
Open AccessSe presenta el estudio desarrollado en el Laboratorio de Modelos Reducidos del Dpto. de Ing. Hidráulica, Marítima y Ambiental de la UPC, para el análisis del comportamiento hidráulico de las compuertas a utilizar en la ... -
Experimental investigation on synthesis, characterization, stability, thermo-physical properties and rheological behavior of MWCNTs-kapok seed oil based nanofluid
(2019-03-01)
Article
Open AccessSeveral researchers devoted their efforts for the thermal conductivity enhancement of Carbon Nanotubes (CNTs) based nanofluids as CNTs have excellent thermal properties. However, limited research is reported on the detailed ...
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