May 3, 2016

Aerodynamics study of the WINDSPOT 3,5 kW windmill turbine

The purpose of this project was to evaluate the aerodynamic behavior of the wind turbine from WINDSPOT 3,5 kW of the company SONKYO ENERGY. That analysis was made in two main stages: 1. Theoretical study of the blade aerodynamic behavior, taking into account parameters such as: Blade geometry. Aerodynamic profile shape. angle of attack in each section or blade twisting. Blade tip shape. Turbine’s rotational velocity. 2. Turbine performance simulation, using CFD software Ansys-CFX 13.0. The goal of this simulation is: To obtain an accurate forecast of the flux behavior around the blades. To locate exactly the flow separation zones... Read More


MARE WINT: New Materials and Reliability in Offshore Wind Turbines technology One of the strategic objectives of the industrial initiative of the SET Plan on wind energy is to reduce cost of energy by improving reliability of wind turbines and their components and optimizing operation and maintenance (O&M) strategies. Increasing reliability and optimizing O&M have a direct impact on the availability of wind turbines and thus reduce cost and increase energy output. This strategy considerably contributes to making wind energy fully competitive. This is particularly evident in the offshore sector, where O&M represents a high percentage of total costs. MARE-WINT... Read More

Mechanical Failure Analysis of a Rubber Drying Machine Speed Reducer Output Shaft

Engineering Failure Analysis, March 2009 Roberto Báscones Vega, Iñaki Gorrochategui Sánchez y José Alberto Álvarez Laso. Abstract: The aim of this analysis is to identify and to study the phenomena which have produced the failure of a rubber drying machine speed reducer output shaft. The machine has suffered several failures during its operating life and different materials for the same shaft have been tested. At the time of initiation of the analysis there was no evidence that a change of material or a change of geometry could avoid the appeared problem.  An experimental analysis and a theoretical evidence study have... Read More

Mechanical failure prediction and analysis of a rubber drying machine speed reducer output shaft under alternating loads and aggressive environment.

The frequent failure of a high strength speed reducer output shaft was the origin of this work. First, the material was analyzed at the laboratory and the failed cross section was evaluated by means of microscopy. As a result of these evaluations and following the FITNET procedure, several failure mechanisms were identified and classified. In the end, preventive and corrective actions were proposed in order to prevent the failure.

Naval architectural calculations and specification of the installation and decommissioning operations

CTC has performed the naval architectural calculations for the Norwegian company Langlee Wave Power’s wave energy convertor called “Robusto”, with the objective of evaluating its stability in conditions it will be subjected to during its operating life. Additionally CTC analyzed the different operations related to the prototype installation and decommissioning, taking into account the limiting factors of the installation zone and the associated costs


The aims of GRAFENTEX project are the development of graphene and graphene oxide production processes more efficient and theirs industrial scaled, and, to apply these materials in technical textiles. The GRAFENTEX project intended to develop new industrial synthesis processes more environmentally and economically efficient, lowering energy consumption and using less raw material and with less environmental risks. The graphene that are going to be develop in GRAPHENTEX will be use to obtain a fire resistant textile from cellulosic and synthetic fibers. Moreover, its electric conductivity is intended to be improved, trying to keep its transparency. The project is coordinated by... Read More


NanoPaint – Development of high performance paints through the nanotechnology Paints with tailored electrical properties has been developed using carbon nanostructures in low content. New paints with higher electrical conductivity (up to 8 order magnitude higher than pristine paint) and better behavior against environmental degradation have been obtained. These new paints could be used in antistatic, conductor thin films and electrode and electromagnetic shielding applications. This project has been co-funded by the Cantabrian Government through the INNOVA 2013 call.


Desarrollo de nuevo conocimiento y tecnología inteligente en materiales orgánicos y cerámicos, orientados a la mejora de la productividad y la creación de negocio en el ámbito de una edificación más sostenible. Programa CENIT 2006-2009 (Consorcios Estratégicos nacionales en Investigación Técnica). La participación del CTC dentro del consorcio fue Desarrollo de paneles sandwich y perfiles tubulares mediante la tecnología de pultrusión. El objetivo principal del proyecto fue el desarrollo de paneles sándwich y perfiles tubulares fabricados mediante el sistema de pultrusión, a partir de materiales compuestos. El desarrollo del trabajo consiste en fabricar composites de matriz polimérica reforzada con fibra... Read More

Fire Resistance Cable

Desarrollo de cables para telecomunicaciones resistentes al fuego. El objetivo del proyecto fue desarrollar cables para telecomunicaciones resistentes al fuego capaces de superar el ensayo bajo norma IEC 60331-23. Esta norma consiste en someter el cable bajo una llama (de aprox. 700 ºC) durante 90 minutos + 15 minutos sin llama, teniendo que mantenerse operativo durante ese tiempo, transmitiendo y recibiendo datos. Para ello se emplearon materiales avanzados.


NANOCEMENT – Desarrollo de nanocomposites de cemento con altas prestaciones mecánicas El objetivo del proyecto consistió en el desarrollo de cementos incluyendo diferentes tipos de nanomateriales para mejorar las prestaciones mecánicas.