Manuel Carlos Gameiro da Silva

Manuel Carlos Gameiro da Silva
University of Coimbra | UC · Department of Mechanical Engineering

Mech Eng, MSc, Ph D, Agregation
Director of ADAI, Coordinator of the Energy for Sustainability Initiative of the Univ. of Coimbra, REHVA Vice-President

About

262
Publications
128,429
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3,247
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Introduction
Full Professor at Univ of Coimbra (Mech Engng) . Scholar of the MIT-Portugal Program Invited Prof of the Master Course GBBV - ENTPE, University of Lyon Coordinator of the Research Line in Sustainable Energy of LAETA. Vice-President of Rehva (www.rehva.eu) Coordinator of the Energy for Sustainability Initiative (EfS) of the University of Coimbra Research Interests: Indoor Environmental Quality, Energy Efficiency, Instrumentation and Measurement Counselor Member of Ordem dos Engenheiros
Additional affiliations
March 2017 - present
University of Coimbra
Position
  • Professor (Full)
February 2014 - July 2014
Middle East Technical University
Position
  • Visiting Professor (Associate)
Description
  • Working at the Northern Cyprus Campus. Teaching about Experimental Methods. Performing Research about Indoor Environmental Quality and Energy Efficiency.
May 2004 - March 2017
University of Coimbra
Position
  • Professor (Associate)

Publications

Publications (262)
Article
Full-text available
Recently, several factors have contributed to an increase in interest in the evaluation of comfort experienced by passengers in vehicles. Due to rising mobility, the time that people spend in vehicles has grown substantially. The criteria applied by consumers have changed on account of generally heightened expectations, resulting in a growing deman...
Article
Full-text available
This paper describes how a developed multiprobe measuring system is used for the assessment of Indoor Environmental Quality (IEQ) in buildings. The objective of the work has been to develop an intuitive, coherent and user-friendly system for either short term or long term IEQ audits. Apart from the presentation of the measured values in tables and...
Preprint
Full-text available
The paper explains the Physics behind the three transmission modes of pathogenic elements transported in the air exhaled from an infected person. A Literature review about the papers that are conclusive about the role of the airborne transmission modes in viral infections is done. The paper concludes with suggestion and recommendation to reduce the...
Presentation
Full-text available
Lecture notes about Indoor Air Quality of the Course in Indoor Environmental Quality at the University of Coimbra
Article
The fast-spreading of the SARS-CoV-2 virus led to a significant increase in the demand for personal protective equipment (PPE). Healthcare professionals, mainly dentists, work near the patients, increasing their risk of infection. This paper investigates the effectiveness of an air-curtain sealing effect in a newly designed visor developed to reduc...
Article
Background: Cooling vests are popular and widely used in many sports. There are several studies about their efficacy but there is not much evidence about their impact on the recovery of kayak sprint male athletes. Methods: Ten elite male sprint kayakers completed an exercise protocol on a kayak ergometer on two separate days. They were randomized t...
Conference Paper
Retrofitting of existing buildings offers significant opportunities for improving occupants’ comfort and well-being, reducing global energy consumption and greenhouse gas emissions. This is being considered as one of the main approaches to achieve sustainability in the built environment at relatively low cost and high uptake rates. Although a wide...
Conference Paper
The present study is the result of a global study conducted by the students of the Master Program "Green Building Engineering and Energy Efficiency" at the School of Architecture Design and Planning (SAP+D) of Mohammed VI Polytechnic University (UM6P) in Benguerir, Morocco. The study is a hands-on experience that allows the master's students to lea...
Conference Paper
In the context of the Covid-19 pandemic (officially declared by the WHO on March 11th, 2020), indoor air quality (IAQ) has resurged as a renewed paradigm, demanding enhanced attention, especially in spaces with high occupancy density, as is the case of school buildings. To minimize the risk of contamination indoors, it is needed to assure low conce...
Conference Paper
The thermal human sensation index Predicted Mean Vote (PMV) has been largely adopted by researchers. The calculation procedure of PMV listed in ISO 7730 is included in most common dynamic simulation tools of buildings and air-conditioning systems. Its application is limited for buildings at or close to the sea level. A calculation procedure of a th...
Article
Purpose The changes brought by Industry 4.0 go beyond transformations in the industrial environment. The increasingly frequent digitization and robotization of activities is not only restricted to the industrial environment, but also to people's daily routine. People spend a large part of their time inside buildings, and maintaining adequate Indoor...
Article
Full-text available
A qualidade do ar interior (QAI) e a ventilação são te-mas sobre os quais nos habituámos a ouvir falar com muito mais frequência nos últimos tempos, devido à pandemia de COVID-19. Tendo em conta que o contágio se verifica sobretudo pela emissão de vírus por uma pessoa infeta-da através da exalação e à sua posterior inalação por um recetor suscetíve...
Article
Full-text available
Low‐emissivity (low‐E) window films are designed to improve the thermal comfort and energy performance of buildings. These films can be applied to different glazing systems without having to change the whole window. This makes it possible to apply films to windows in old and historical buildings for which preservation regulations often require that...
Presentation
Full-text available
Video presentation of the paper "EC2U: A EDUCAÇÃO PARA A SUSTENTABILIDADE COMO RESPOSTA AO OBJETIVO 11 DE DESENVOLVIMENTO SUSTENTÁVEL – CIDADES E COMUNIDADES SUSTENTÁVEIS" at the "3.ª Conferência Campus Sustentável (CCS2021) - October 28th 2021". Producer: Ana Rita Amaral. Presenter: Ana Rita Amaral.
Article
The thermal environment index Predicted Mean Vote is a descriptor largely applied to evaluate the comfort sensation of people in moderate environments. Software tools based on the Fanger's method have been created and used, which application is limited for the sea level atmospheric pressure. A procedure for estimating the index of thermal comfort o...
Article
Background There has been a notable increase in knowledge production on air pollution and human health. Objective To analyze the state of the art on the effects of air pollution on human health through a mapping review of existing systematic reviews and meta-analyses (SRs and MAs). Methods The systematic mapping review was based on the recommenda...
Article
Recent years have seen an increasing need to invest in smart, energy-efficient technologies in buildings to improve health and convenience for occupants and to reduce energy consumption and carbon emission impacts. Digitalization and developments in the information and communication technology sector play a critical role in improving the efficiency...
Article
Several software tools have been created to calculate the indices Predicted Mean Vote (PMV) and Predicted Percentage of Dissatisfied (PPD) by following Fanger’s method, which is valid only for atmospheric pressures close to 1 atm. The main objective of this work is to propose a formulation named PMV-PS for predicting an atmospheric pressure-sensiti...
Article
The Predicted Mean Vote (PMV) and Predicted Percentage of Dissatisfied (PPD) are the most used indices for the assessment of thermal conditions in indoor environments. However, many times, the uncertainties associated with the calculation of both indices are not reported, may be because direct methods are not easily applicable to calculate it. The...
Presentation
Full-text available
Projeto de Inovação Pedagógica premiado no concurso Prémios Santander-UC de Inovação Pedagógica Resumo do Projeto Atualmente os telemóveis incorporam sensores (por exemplo, acelerómetro triaxial, microfone, sensor de iluminância, sensor de GPS, sensor de campo magnético, etc.) que, através da utilização de um conjunto variado de aplicações informá...
Article
Full-text available
Neste artigo, vou explicar a minha visão sobre vários aspetos relacionados com a crise pandémica da Covid-19 e o seu relacionamento com a área em que desenvolvo a minha atividade de investigação científica: a Qualidade Ambiental Interior. Uma vez que desconfiava que seria complicado, para a maior parte das pessoas, entender as razões pelas quais um...
Preprint
Full-text available
Introducción Las dudas planteadas por el autor respecto a la importancia que las autoridades sanitarias, tanto a nivel nacional como internacional, atribuyen al papel que desempeñan los diferentes modos de transmisión en la propagación de infecciones virales y las consecuencias derivadas de dicha dinámica fueron la motivación principal por escribir...
Presentation
This webinar explored with top experts key notions about indoor environments (Indoor Environmental Quality, IEQ), how building services can help prevention and mitigation today and furthermore enable and facilitate the lockdown reversal, and how to best let go of our old habits and create new long-lasting ones good especially during times of crisis...
Presentation
Full-text available
This webinar explored with top experts key notions about indoor environments (Indoor Environmental Quality, IEQ), how building services can help prevention and mitigation today and furthermore enable and facilitate the lockdown reversal, and how to best let go of our old habits and create new long-lasting ones good especially during times of crisis...
Presentation
Full-text available
The Physics behind the 3 transmission modes of COVID-19 related to the exhalation of an infected is explained, in the light of Indoor Air Quality concepts. The connection between the sizes of droplets, the transmission modes (airborne, droplets and contact) and the protective measures is established. A Literature review dealing with conclusive work...
Article
The world is facing a pandemic of unseen proportions caused by a corona virus named SARS-CoV-2 with unprecedent worldwide measures being taken to tackle its contagion. Person-to-person transmission is accepted but WHO only considers aerosol transmission when procedures or support treatments that produce aerosol are performed. However, transmission...
Conference Paper
Full-text available
The current perspective on transport sector presents a major challenge provided by the absolute need to reduce CO2 emissions. This allows to mitigate global warming, reduce air pollution and minimize this sector's dependence on oil. For more than a century the focus was on internal combustion engine usage, whether it might be a spark ignition or co...
Article
Full-text available
Indoor environmental quality (IEQ) and energy conservation in schools are complex challenges. A significant part of the energy demand in these buildings addresses ventilation and temperature indoors. When confronted with money/energy constraints, the tendency of school boards is to cut on IEQ requirements, compromising the comfort of the occupants...
Article
Due to production requirements, solar facilities are usually located in sunny environments where workers face hot weather. Heat is seen as an environmental and occupational hazard with its physiological effects due to high-temperature exposures. Among the heat-related effects are, dehydration, heat exhaustion, heat stroke, and death. The heat-relat...
Article
The correct preservation of old and rare books in libraries needs suitable values of temperature and relative humidity. This paper shows the hygrothermal data acquired in a historic library, the Baroque Library, of the University of Coimbra, Portugal, where several old and rare books are stored. The data were acquired during a 6-month monitoring ca...
Article
The study presents a new procedure for identifying possible risks for books kept in historic libraries. It is addressed to all those historic libraries where large collections of old and rare books are stored and preserved. These libraries were rarely used by people, but, nowadays, many of them have become touristic attractions. Consequently, their...
Chapter
This case study describes the results of the ongoing Ph.D thesis on “Upgrade Opportunities for Ancient Buildings" that aims to demonstrate innovative ways to reach “nearly Zero Energy Buildings” levels by reinterpreting the traditional knowledge concerning historic buildings. The case study focuses on synergies that can be usefully employed when th...
Conference Paper
Full-text available
Nowadays, due to the importance that aspects related to energy efficiency and indoor environmental quality have assumed, the need to carry out audits in which the thermal comfort indices are assessed has grown substantially. A particularly relevant issue is the quality of the experimental results, which is directly connected to the uncertainty of t...
Article
Full-text available
An Indoor Environmental Quality monitoring system developed to be installed in a medium size office building is presented. The architecture of the system, comprising two measuring stations and the building management unit is described, being also addressed the two software tools developed to handle, display, process and analyze the data. Finally...
Article
Full-text available
Nowadays, due to the importance that aspects related to energy efficiency and indoor environmental quality have assumed, the need to carry out audits in which the thermal comfort indices are assessed has grown substantially. An issue particularly relevant is the quality of the obtained results, which is directly connected to the uncertainty of the...
Article
Among the Concentrated Solar Power technologies, central receiver systems (CRS) is the technology moving to the forefront in market penetration. CRS requires the use of heliostats oriented toward the central receiver in order to concentrate solar radiation. The excess of light due to the reflection of the sunlight on the heliostats' surface and the...
Article
Full-text available
Pressure anemometers suitable for fabrication by 3D printing employing fused deposition modeling (FDM) technology were designed, built, and tested in a wind tunnel, the work being initiated by attempting to create a particular type of this class of instruments, commonly known as a Pitot tube. After initial issues due to the porosity of the parts, a...
Article
Full-text available
p class="0abstract">The development of a tool to analyse data collected in car road tests is presented, allowing a better understanding of the Physics of car motion. Using the measured data of fuel consumption and the main variables related to the vehicle displacement, it is possible to make corrections to the influence of the main disturbing facto...
Conference Paper
Full-text available
The need for objectivation of the indoor environmental quality (IEQ) increases since building project procurement practices, like Design and Build, etc, lay the entire burden of responsibilities for the specification and realisation of IE performances with competing market parties. But where does the client, let us assume the building owner, stand...
Conference Paper
Full-text available
The need for objectivation of the indoor environmental quality (IEQ) increases since building project procurement practices, like Design and Build etc, lay the entire burden of responsibilities for the specification and realisation of IE performances with competing market parties. Post completion complaint management only, with or without the help...
Preprint
A significant amount of energy is being used by ventilation and air conditioning systems to maintain the indoor environmental condition in a satisfactory and comfortable level. Many buildings, either new or existing (throughout their renovation process) are subjected to energy efficiency requirements but these must not be in the expenses of indoor...
Article
Full-text available
Buildings are responsible for a large sharing of energy consumption worldwide. Among all energy services in buildings, heating, ventilation and air conditioning systems not only account for a significant part of energy consumption but they are also highly influential on indoor climate and occupants’ satisfaction in consequence. In this paper, four...
Article
On account of the scarcity of fossil fuels and the environmental problems arising from its use and exploitation, countries are opting for developing technologies based on renewable sources as alternatives to achieve the growing energy demand. Among the renewable energy technologies, solar energy seems to be an attractive solution. Usually solar pow...
Article
Full-text available
A project for the creation and implementation of a distance-learning course on Indoor Environmental Comfort in Buildings (IECB) is presented. This course resulted from a request by Ordem dos Engenheiros (Portuguese engineering professional body) to the University of Coimbra. It was based on the Indoor Environmental Quality (IEQ) course of the Maste...
Conference Paper
Full-text available
A newly developed self-contained system for distributed, continuous monitoring of the indoor environment in buildings is presented. A summary description of the system's functional concept and its various components is given, along with some of the major challenges encountered in its design and implementation phase. The system is currently installe...
Conference Paper
Full-text available
This paper presents a multi-layer perceptron model for the estimation of classrooms number of occupants from sensed indoor environmental data-relative humidity, air temperature, and carbon dioxide concentration. The modelling datasets were collected from two classrooms in the Secondary School of Pombal, Portugal. The number of occupants and occupat...
Conference Paper
Full-text available
A significant amount of energy is being used by ventilation and air conditioning systems to maintain the indoor environmental condition in a satisfactory and comfortable level. Many buildings, either new or existing (throughout their renovation process) are subjected to energy efficiency requirements but these must not be in the expenses of indoor...
Article
Full-text available
As the building sector is responsible for a large portion of total primary energy consumption in developed countries, it is crucial to improve energy efficiency of buildings’ systems. Heating, ventilation, and air conditioning systems play a noticeable role in energy consumption of buildings, therefore, developing efficient strategies for ventilati...
Article
Due to the growing motivation of countries to use renewable energy, instead of fossil fuels, for the production of electricity, the number of solar power plants had an increase in recent times. The sun as a renewable source is used by the Concentrated Solar Power systems (CSP) to achieve this goal. This process results in a considerable amount of c...
Conference Paper
Buildings are responsible for a large sharing of energy consumption worldwide. Among all energy services in buildings, heating, ventilation and air conditioning systems not only account for a significant part of energy consumption but they are also highly influential on indoor climate and occupants’ satisfaction in consequence. In this paper, four...
Conference Paper
Full-text available
(provisory) Ancient buildings are magnificent examples of resilience and versatility, and their capability to exist throughout the centuries should be appreciated as a symbol of sustainability. However, the public perceives ancient buildings as uncomfortable and unhealthy energy hogs, which they can easily become without proper use, “rehabilitation...
Conference Paper
Full-text available
Ancient buildings are examples of resilience and versatility, and their capability to persist throughout the centuries should be appreciated as a symbol of sustainability. However, the public perceives existing buildings as uncomfortable and unhealthy energy hogs, which they can easily become without proper use, " rehabilitation " or maintenance. T...
Poster
Full-text available
Objectives  Analysis of the irradiance to assess work conditions in a solar energy installation.  Assessment of the glint and glare of reflected solar light from the receiver and heliostats surfaces.  Simulation of outdoor extreme environmental working conditions.  Definition of the security maximum levels of exposure to solar radiation.  Defi...
Conference Paper
Full-text available
No presente trabalho apresentam-se os resultados de monitorizações de ruído ambiental efetuadas ao longo de vários anos durante a ocorrência de espetáculos musicais noturnos na cidade de Coimbra. Os resultados obtidos mostram que uma percentagem significativa da população, aproximadamente 25% da população da zona urbana de Coimbra, é potencialmente...