Daniel Serrano García

Daniel Serrano García
University Carlos III de Madrid | UC3M

Industrial Engineering, MSc in Industrial Mechanics

About

17
Publications
1,723
Reads
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211
Citations
Additional affiliations
December 2016 - December 2016
University Carlos III de Madrid
Position
  • PhD in Mechanical Engineering
July 2015 - August 2015
Paul Scherrer Institut
Position
  • Visiting PhD student
September 2014 - December 2014
University of Limerick
Position
  • Visiting PhD student

Publications

Publications (17)
Article
The use of bayonet tube heat exchangers and heaters is widespread in many industrial applications and an improvement in the heat transfer coefficient may provide benefits over other technologies. This work presents novel experimental results about the turbulent convection heat transfer coefficient of air in the annular section of a bayonet tube for...
Article
Tars are one of the main barriers for the implementation of biomass gasification at industrial scale. Among the considerable number of models to predict gas composition, there is a lack of models predicting tar generation in gasification processes, as tar concentration data is far more difficult to collect and analyze. This study makes use of artif...
Article
Full-text available
Steam gasification of lignocellulosic biomass in a bubbling fluidized bed reactor was analyzed by means of the composition of the producer gas, including tars, and temperature distribution in the reactor. The catalytic and sorbent effect of sepiolite particles was studied by comparison of the tars generated with those produced in a bed of olivine,...
Article
Linear Fresnel power plants are currently one of the most promising concentrating solar power plants. However there are only a few commercial projects. These power plants have a lower efficiency than parabolic trough collector plants and are still expensive. To increase the efficiency of these plants, the utilization of water/steam in the receivers...
Article
Linear Fresnel power plants are currently one of the most promising concentrating solar power plants. However there are only a few commercial projects. These power plants have a lower efficiency than parabolic trough collector plants and are still expensive. To increase the efficiency of these plants, the utilization of water/steam in the receivers...
Article
Full-text available
The use of a binary mixture of solar molten salts (60 wt% NaNO3 and 40 wt% KNO3) as a heat transfer medium for the production of a solar fuel by the thermochemical conversion of biomass is investigated in the present paper. Thermochemical conversion can be a route for converting the surplus solar irradiation via the direct contact of nitrate molten...
Article
This study considers the role of the distributor effect during the bubble generation, growth and interaction within a bubbling fluidized bed. To characterize this effect, short-term and long-term dynamics are explored in time and frequency domains. Controversy occurs when inspecting what is actually known of the gas distribution mechanism in bubbli...
Article
Full-text available
Beam-down concentrating solar power for thermochemical and energy absorption applications stands as an attractive approach that can enhance the renewable energies deployment. This work explores the integration of beam-down optics with fluidized bed technology proposing a model to calculate both gas and bed temperatures. The beam-down system concent...
Article
This study analyzes the characteristics of fines produced during the air-blown gasification of Cynara cardunculus L. in a bubbling fluidized bed. These fines are collected by means of two hot cyclones and a hot filter. The gasification temperature is varied from 700 to 800 ºC using olivine and magnesite as bed materials, with an equivalence ratio (...
Article
Sepiolite, a clay mineral that is commonly used as adsorbent, is proposed as bed material for biomass gasification in a lab-scale bubbling fluidized bed. In order to compare the obtained gas composition and tar generation, silica sand has been used as reference bed material. C. cardunculus L. has been employed as biomass feedstock. The operating te...
Conference Paper
Full-text available
The current study analyzes the fines produced from Cynara cardunculus L. air-gasification in a bubbling fluidized bed. Temperature is varied from 700 to 800 ºC in an olivine bed, with an equivalent ratio of 0.2. Magnesite is also used at the temperature of 800 ºC. Relatively high carbon content is obtained for all experiments, showing a decreasing...
Conference Paper
Full-text available
This work presents a Cynara cardunculus L. air gasification study using a bubbling fluidized bed. Two different bed materials, magnesite and olivine, are tested between 700 and 800 ºC with a fixed equivalence ratio of 0.20. Kaolin is added to the biomass in order to reduce agglomeration. Gas and tar composition are obtained by means of μGC, and GC/...
Article
The bed material and the fuel particles are the main actors in the agglomeration process in a bubbling fluidized bed reactor during a gasification conversion. The physical and chemical reactions between them determine whether the bed operates under a proper fluidization condition or the quality of the fluidization is deteriorated due to agglomerate...
Article
Full-text available
A new approach which uses the joint probability matrix computation of noisy time series is proposed to construct a phase space portrait which reflects the orbit visitation frequency of the different regions of the phase space. The resulting representation provides a clear cut of the dynamical reconstructed attractor giving both quantitative informa...
Article
This work studies the defluidization time and the agglomerate generation in a bubbling fluidized bed (BFB) reactor during Cynara cardunculus L. gasification using, separately, two different bed materials, silica sand and sepiolite (Mg8Si12O30(OH)4(OH2)48H2). The high adsorption capacity and the elemental composition of the sepiolite make it suitabl...

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