Lenin Lemus

ORCID: 0000-0002-6361-6019
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About
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Research Areas
  • Higher Education Teaching and Evaluation
  • E-Learning and Knowledge Management
  • Experimental Learning in Engineering
  • Context-Aware Activity Recognition Systems
  • Educational Innovations and Technology
  • Radiation Effects in Electronics
  • Air Quality and Health Impacts
  • Transportation Planning and Optimization
  • Real-Time Systems Scheduling
  • Geothermal Energy Systems and Applications
  • Educational Technology in Learning
  • Plant and Biological Electrophysiology Studies
  • Teaching and Learning Programming
  • Energy Efficiency and Management
  • Mobile Learning in Education
  • Technology Use by Older Adults
  • Tree Root and Stability Studies
  • Education Methods and Integration
  • Education and Digital Technologies
  • IoT-based Smart Home Systems
  • VLSI and Analog Circuit Testing
  • Vehicle emissions and performance
  • Education and Technology Integration
  • Neural dynamics and brain function
  • Air Quality Monitoring and Forecasting

Universitat Politècnica de València
2014-2023

Universitat de València
1999

Currently, one of the main challenges that large metropolitan areas must face is traffic congestion. To address this problem, it becomes necessary to implement an efficient solution control generates benefits for citizens, such as reducing vehicle journey times and, consequently, environmental pollution. By properly analyzing demand, possible predict future conditions, using information optimization routes taken by vehicles. Such approach especially effective if applied in context autonomous...

10.3390/electronics8070722 article EN Electronics 2019-06-26

One promising way to improve the efficiency of borehole heat exchangers (BHEs) in shallow geothermal applications is enhance thermal properties materials involved its construction. Early attempts, such as using metal tubes 1980s or utilization thin–foil hoses, did not succeed being adopted by market for diverse reasons (cost, corrosion, fragility, etc…). In parallel, optimization pipe size, use double-U-tubes, thermally enhanced grout, etc. were able bring measure BHE efficiency, resistance,...

10.1016/j.energy.2020.117628 article EN cc-by-nc-nd Energy 2020-04-20

CyanoFactory, Design, construction and demonstration of solar biofuel production using novel (photo)synthetic cell factories, was an R&D project developed in response to the European Commission FP7-ENERGY-2012-1 call "Future Emerging Technologies" need for significant advances both new science technologies convert energy into a fuel. CyanoFactory example "purpose driven" research development with identified scientific goals creation technologies. The present overview highlights outcomes...

10.1016/j.algal.2019.101510 article EN cc-by-nc-nd Algal Research 2019-05-20

Renewable energies have experienced a great growth in recent years, and nowadays participate the set of used developed developing countries to produce electricity. Among these technologies, photovoltaic energy, which produces clean electricity from Sun, is one that has grown faster, its implementation all over world guarantee solid efficient energy technology. Nevertheless, order design very solar systems, it crucial good radiation database. There are databases where possible find...

10.3390/su9020247 article EN Sustainability 2017-02-10

In this study, a laboratory-scale prototype of borehole field has been designed and built to assess various innovative grouting products in fully controlled environment. Three novel grout formulations are developed evaluated: enhanced grout, mixture microencapsulated phase change material, shape stabilized material. The objective is evaluate the enhancement their thermal properties (i.e., conductivity energy storage capacity) compared those using commercial reference grout. Besides,...

10.1016/j.renene.2022.05.152 article EN cc-by-nc-nd Renewable Energy 2022-06-01

Thermal response test (TRT) is a common procedure for characterization of ground and borehole thermal properties needed the design shallow geothermal heat pump system. In order to investigate develop more accurate robust procedures TRT control, modelling, evaluation in semi-permeable soils with large water content, pilot exchanger was built main campus Universitat Politècnica de València. The present work shows results experiments performed at site, analysing improvements that have been...

10.3390/en10091328 article EN cc-by Energies 2017-09-03

The Internet of Things paradigm in healthcare has boosted the design new solutions for promotion healthy lifestyles and remote care. Thanks to effort academia industry, there is a wide variety platforms, systems commercial products enabling real-time information exchange environmental data people's health status. However, one problems these type prototypes lack interoperability compromised scalability large scenarios, which limits its potential be deployed real cases application. In this...

10.3390/s22041646 article EN cc-by Sensors 2022-02-19

Buildings have become a key source of greenhouse gas (GHG) emissions due to the consumption primary energy, especially when used achieve thermal comfort conditions. In addition, buildings play role for adapting societies climate change by achieving more energy efficiency. Therefore, sector tackle at local level. However, public decision-makers do not tools with enough spatial resolution prioritise and focus available resources efforts in an efficient manner. The objective research is develop...

10.3390/su12072982 article EN Sustainability 2020-04-08

The mainstream of EU policies is heading towards the conversion nowadays electricity consumer into future prosumer (producer and consumer) in markets which production will be more local, renewable economically efficient. One key component a local short-term medium-term planning tool to enable actors efficiently interact electric pool ability predict decide on forecast prices. Given progressively important role markets, we analyze influence energy price Iberian market through historical...

10.3390/en12112082 article EN cc-by Energies 2019-05-31

Regional and local decision-makers need high quality GHG emission inventories to invest efficiently available resources in climate change mitigation measures. Nevertheless, lack of tools achieve emissions with enough rigor, accuracy completeness. Thus, a territorial sectorial information system (SITE) has been developed monitor as regional governance tool. This combines the advantages both, top-down bottom-up approaches, an innovative hybrid approach account manage emissions. The...

10.1016/j.uclim.2022.101125 article EN cc-by-nc-nd Urban Climate 2022-02-10

The pervasive use of ECUs (electronic control units) in automotive systems motivates the interest community methodologies for quantifying their dependability a reproducible and cost-effective way. Although core modern vehicle engines is managed by software embedded engine ECUs, no practical approach has been proposed so far to characterise impact faults on behaviour this software. This paper proposes benchmark applications. essential features such type applications are first captured general...

10.1109/dsn.2004.1311956 article EN 2004-01-01

In this contribution, we analyze the results of a number thermal response test (TRT) experiments performed during several years at same location our university campus in Valencia (Spain), permeable saturated soil area with possible groundwater flow conditions. A combination different heat injection rates, TRT operation times up to 32 days, and various methods for parameter estimation ground properties have been applied study their influence on result accuracy TRTs. Our main objective has...

10.3390/en11123347 article EN cc-by Energies 2018-11-30

The reaction time has been described as a measure of perception, decision making, and other cognitive processes. aim this work is to examine age-related changes in executive functions terms demand load under varying presentation times. Two tasks were employed where signal detection discrimination task performed by young older university students. Furthermore, characterization the response distribution an ex-Gaussian fit was carried out. results indicated that participants slower than younger...

10.1111/sjop.12372 article EN Scandinavian Journal of Psychology 2017-07-02

The temporal evolution of the electrical signal generated by Pinus halepensis was measured in a sample 15 trees. Weekly experiments were carried out during long-term campaign lasting over year, while trials with high frequency measurements also performed several days. In latter case, day-night oscillations magnitudes observed. Additionally, punctual meteorological events such as rainfall and storms affect well.The intensity grows exponentially voltage. fact, no that exceeds threshold 0.01 μA...

10.1080/15592324.2021.1948744 article EN Plant Signaling & Behavior 2021-07-09

ABSTRACT The student‐centered learning is being promoted worldwide in higher education, from 2005, North‐American universities [Principles of teaching. Carnegie Mellon University [Online]. Available www.cmu.edu/teaching/principles/teaching.html ], 2010 the European Union, but also Asian countries like Japan [J. M. Bachnik, Roadblocks on Information Highway: IT Revolution Japanese Educa­tion, ser. Studies Modern Japan. Lexington Books, 2003.]. This paradigm characterized by applying...

10.1002/cae.21633 article EN Computer Applications in Engineering Education 2015-03-09

Under the framework of new Spanish degree curricula, project for innovation and educational improvement EvalTICs, has as main purpose to help teacher in task evaluating activity student through creation software tools. Besides facilitating allocation a quantitative assessment, it will contribute achievement learning objectives student.

10.1109/taee.2012.6235448 article EN 2012-06-01

Electric potential differences in living plants are explained by theories based on sap flow. In order to acquire more advanced knowledge about the spatial distribution of these electric measures trees, this research aims analyze electrical signals a population Aleppo pines (Pinus halepensis Mill.) representative Mediterranean forest ecosystem.The specific objective is assess some most significant factors that influence pattern those signals: tree age, measurement type and electrode...

10.1080/15592324.2020.1795580 article EN Plant Signaling & Behavior 2020-07-20

Forest management is an untapped tool, yet to realize its full potential fight against climate change. The capability of forests act as carbon sinks makes them a key resource reduce CO2 concentration in the atmosphere. However, which has been fixed can be suddenly emitted again consequence disturbances such pests or wildfires. Mediterranean plant phenology, climatic conditions, and accumulation fuel biomass due abandonment traditional forest uses generate scenario prone large wildfires...

10.3390/su13084168 article EN Sustainability 2021-04-08

In this article, a teaching experience carried out with students enrolled in the course "Configuración Administración y gestión de Redes" (Network Configuration Administration and Management) is described. The consisted using virtual machines to install, configure test network services commonly used small medium sized enterprises (SME) implement validate firewall architecture well-adapted for SME. At end of were more self-confident their knowledge on computer networks pleased because they...

10.1109/ithet.2015.7218026 article EN 2015-06-01

Learning from experience had been shown as effective learning method, for instance Confucius, (450 BC) wrote "I hear and I forget, see remember, do understand.", or more recently by the psychologist David Kolb when he said on his book that "a person would learn through discovery experience." In our course, we follow practical strategy which is based exploring thinking. To motivate students' interest provided good results to engage students in contents of course. particular, suggest them...

10.1109/ithet.2015.7218025 article EN 2015-06-01
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