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Thèses sur le sujet « Building thermal models »

Auteur : Grafiati

Publié le 11 janvier 2025

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1

Martin, Christopher John. "A new tool for the validation of dynamic simulation models." Thesis, n.p, 1995. http://ethos.bl.uk/.

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Melo, C. "Improved convective heat transfer and air infiltration models for building thermal simulation." Thesis, Cranfield University, 1985. http://hdl.handle.net/1826/3618.

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10 Intermediate-level'o computer codes are advocated as being the most appropriate for meeting the requirements of dynamic building thermal models. Such codes may be developed via the .4 computer-generalizationA Of analytical solutions and data correlations, which are then verified using higher-level ccoputational procedures and/or experimental measurements. Two intermediate-level ccniputer codes are described: one to model the convective heat exchange at the external facades of a building (WIND-CHT program), and the other to calculate the hourly mean rates of air infiltration into buildings (

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D'AMICO, Antonino. "ALTERNATIVE MODELS FOR BUILDING ENERGY PERFORMANCE ASSESSMENT." Doctoral thesis, Università degli Studi di Palermo, 2020. http://hdl.handle.net/10447/395388.

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The research activity carried out during the three years of the PhD course attended, at the Engineering Department of the University of Palermo, was aimed at the identification of an alternative predictive model able to solve the traditional building thermal balance in a simple but reliable way, speeding up any first phase of energy planning. Nowadays, worldwide directives aimed at reducing energy consumptions and environmental impacts have focused the attention of the scientific community on improving energy efficiency in the building sector. The reduction of energy consumption and CO2 emissi

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Ajib, Balsam. "Data-driven building thermal modeling using system identification for hybrid systems." Thesis, Ecole nationale supérieure Mines-Télécom Lille Douai, 2018. http://www.theses.fr/2018MTLD0006/document.

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Le secteur du bâtiment est un consommateur énergétique majeur, par conséquent, un cadre d’actions a été décidé au niveau international dans le but de limiter son impact. Afin de mettre en œuvre ces mesures, il est nécessaire d’avoir à disposition des modèles offrants une description fiable du comportement thermique des bâtiments. A cet effet, cette thèse propose l’application d’une nouvelle technique guidée par les données pour la modélisation thermique des bâtiments en se basant sur l’approche des systèmes hybrides, caractérisés par des dynamiques continues et événementielles. Ce choix est mo

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Sandström, Joakim. "Thermal boundary conditions based on field modeling of fires : Heat transfer calculations in CFD and FE models with special regards to fire exposure represented with adiabatic surface temperatures." Licentiate thesis, Luleå tekniska universitet, Byggkonstruktion och -produktion, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-17367.

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Combining computer fluid dynamic, CFD, models with finite element, FE, models to calculate temperature in fire exposed structures can reduce design temperatures in structures while still obtaining the level of structural fire safety stipulated by society. A better understanding of heat transfer and the concept of adiabatic surface temperatures, AST, the transition of data between models can be simplified and more accurate temperature predictions can be made.The thesis focuses on heat transfer calculations by employing AST in particular, and how this can be used as a means of coupling any CFD a

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Favretto, Ana Paula Oliveira. "Regression models to assess the thermal performance of Brazilian low-cost houses: consideration of opaque envelope." Universidade de São Paulo, 2016. http://www.teses.usp.br/teses/disponiveis/102/102131/tde-10102016-132422/.

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This study examines the potential to conduct building thermal performance simulation (BPS) of unconditioned low-cost housing during the early design stages. By creating a set of regression models (meta-models) based on EnergyPlus simulations, this research aims to promote and simplify BPS in the building envelope design process. The meta-models can be used as tools adapted for three Brazilian cities: Curitiba, São Paulo and Manaus, providing decision support to designers by enabling rapid feedback that links early design decisions to the buildings thermal performance. The low-cost housing unit

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Rossi, Michele Marta. "Regression models to assess the thermal performance of Brazilian low-cost houses: consideration of natural ventilation." Universidade de São Paulo, 2016. http://www.teses.usp.br/teses/disponiveis/102/102131/tde-13102016-163056/.

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Building performance simulations [BPS] tools are important in all the design stages, mainly in the early ones. However, some barriers such as time, resources and expertise do not contribute to their implementation in architecture offices. This research aimed to develop regression models (meta-models) to assess the thermal discomfort in a Brazilian low-cost house [LCH] during early design. They predicted the degree-hours of discomfort by heat and/or by cold as function of the design parameters changes for three Brazilian cities: Curitiba/PR, São Paulo/SP, and Manaus/AM. This work focused on usi

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Caliguri, Ryan P. "Comparison of Sensible Water Cooling, Ice building, and Phase Change Material in Thermal Energy Storage Tank Charging: Analytical Models and Experimental Data." University of Cincinnati / OhioLINK, 2021. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1627666292483648.

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Anchieta, Camila Chagas. "Regression models to assess the thermal performance of Brazilian low-cost houses: consideration of solar incidence and shading devices." Universidade de São Paulo, 2016. http://www.teses.usp.br/teses/disponiveis/102/102131/tde-10102016-105601/.

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Building performance simulation (BPS) tools are significant and helpful during all design stages, especially during the early ones. However, there are obstacles to the full implementation and use of such tools, causing them not to become an effective part of the design process. In order to overcome this barrier, this research is presented, with the creation of regression models (meta-models) that allow to predict the discomfort by heat and/or by cold in a Brazilian low-cost house (LCH) in three distinct bioclimatic zones in Brazil, represented by the cities of Curitiba/PR, São Paulo/SP and Man

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Talele, Suraj Harish. "Comparative Study of Thermal Comfort Models Using Remote-Location Data for Local Sample Campus Building as a Case Study for Scalable Energy Modeling at Urban Level Using Virtual Information Fabric Infrastructure (VIFI)." Thesis, University of North Texas, 2018. https://digital.library.unt.edu/ark:/67531/metadc1404602/.

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The goal of this dissertation is to demonstrate that data from a remotely located building can be utilized for energy modeling of a similar type of building and to demonstrate how to use this remote data without physically moving the data from one server to another using Virtual Information Fabric Infrastructure (VIFI). In order to achieve this goal, firstly an EnergyPlus model was created for Greek Life Center, a campus building located at University of North Texas campus at Denton in Texas, USA. Three thermal comfort models of Fanger model, Pierce two-node model and KSU two-node model were c

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Bouwer, Werner. "Designing a dynamic thermal and energy system simulation scheme for cross industry applications / W. Bouwer." Thesis, North-West University, 2004. http://hdl.handle.net/10394/592.

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The South African economy, which is largely based on heavy industry such as minerals extraction and processing, is by nature very energy intensive. Based on the abundance of coal resources, electricity in South Africa remains amongst the cheapest in the world. Whilst the low electricity price has contributed towards a competitive position, it has also meant that our existing electricity supply is often taken for granted. The economic and environmental benefits of energy efficiency have been well documented. Worldwide, nations are beginning to face up to the challenge of sustainable energy - in

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Knutsen, Christopher. "Thermal analysis of the internal climate condition of a house using a computational model." Master's thesis, Faculty of Engineering and the Built Environment, 2021. http://hdl.handle.net/11427/32740.

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The internal thermal climatic condition of a house is directly affected by how the building envelope (walls, windows and roof) is designed to suit the environment it is exposed to. The way in which the building envelope is constructed has a great affect on the energy required for heating and cooling to maintain human thermal comfort. Understanding how the internal climatic conditions react to the building envelope construction is therefore of great value. This study investigates how the thermal behaviour inside of a simple house reacts to changes made to the building envelope with the objectiv

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Faggianelli, Ghjuvan Antone. "Rafraîchissement par la ventilation naturelle traversante des bâtiments en climat méditerranéen." Thesis, Corte, 2014. http://www.theses.fr/2014CORT0007/document.

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Face à la nécessité de réduire les consommations énergétiques ainsi que les émissions de CO2 dans le secteur du bâtiment, nous voyons se succéder des réglementations thermiques de plus en plus strictes. Ainsi, en 2020, tous les bâtiments neufs devront être à énergie positive. Le recours à des stratégies passives, exploitant les ressources de l'environnement, est un point clé pour atteindre cet objectif.En climat méditerranéen, caractérisé des étés chauds et secs, la ventilation naturelle peut apporter un confort thermique acceptable si celle-ci est utilisée intelligemment. Son efficacité est c

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Zhao, Zhiheng. "Thermal Inertia In Residential Buildings For Demand Response." Thesis, The University of Sydney, 2016. http://hdl.handle.net/2123/16018.

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A smart home energy management system has been used to reshape the electricity demand of the residential buildings widely. It normally requires understanding the capability of residential buildings’ thermal mass which revisits to the temperature flatirons and providing enough energy buffers. In this project, phase change material (PCM) was used as the virtual thermal energy storage. Basically, two parts were included: thermal modelling of residential building with PCM layer. Secondly thermal behaviour of models under different conditions (heating, ventilation and air conditioning system, fene

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Mustafaraj, Giorgio. "Thermal behaviour model identification for three different office buildings." Thesis, Brunel University, 2008. http://bura.brunel.ac.uk/handle/2438/5336.

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The thermal behaviour was investigated of three offices positioned in three buildings built in different periods, one academic institute built in 1920 and two modem commercial buildings in London. The buildings chosen for this study are the Rockefeller Building, which is part of University College London (UCL), Portman House in Oxford Street and the Visa Building in Paddington. Due to the lack of specific information related to the structure of the buildings such as windows, doors, building dimensions and other information that would allow the use of physical models, in this project black-box

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Paepcke, Anne. "NANDRAD 1.4 building simulation model." Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2017. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-230427.

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NANDRAD is a dynamic building energy simulation program. It calulates heating/cooling requirements and electric power consumption with respect to realistic climatic conditions and dynamic room usage. The model includes one-dimensional spatially resolved heat transport through multi-layered walls and thermal storage of solid components (room furniture/building walls). Consequently, massive constructions forms in the European area are very well represented. Further, NANDRAD calculates geometrical long radiation heat exchange inside the room. Heating systems may be modeled with a high level of ge

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Péan, Thibault Q. "Heat pump controls to exploit the energy flexibility of building thermal loads." Doctoral thesis, Universitat Politècnica de Catalunya, 2020. http://hdl.handle.net/10803/669805.

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Smart controls for heat pumps are required to harness the full energy flexibility potential of building thermal loads. A literature review revealed that most strategies used for this purpose can be classified in two categories: simpler rule-based control (RBC), and model predictive control (MPC), a more complex strategy based on optimization and requiring a prior model of the systems. Both RBC and MPC can use external penalty signals to prompt their actions. The price of electricity is most often used for this purpose, leading to strategies of cost reduction. As an alternative penalty signal,

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Eriksson, Rickard, and Pontus Andersson. "Thermal storage solutions for a building in a 4th generation district heating system : Development of a dynamic building model in Modelica." Thesis, Mälardalens högskola, Akademin för ekonomi, samhälle och teknik, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:mdh:diva-40114.

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The world is constantly striving towards a more sustainable living, where every part of contribution is greatly appreciated. When it comes to heating of buildings, district heating is often the main source of heat. During specific times, peak demands are created by the tenants who are demanding a lot of heat at the same time. This demand peak puts a high load on the piping system as well as the need for certain peak boilers that run on non-environmental friendly peak fuel. One solution that is presented in this degree project that solves the time difference between production and demand is by

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Xu, Tianyang. "Research on Building Thermal Model and Energy Consumption Estimation Based on Infrared Thermalgraphy." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2018.

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1. Confronto fra i componenti termici ed elettrici sulla base delle conoscenze dei circuiti elettrici. Svilluppo di modelli termici tradizionali per le finestre e le pareti, realizzando la quantizzazione della perdita di calore di un edificio. Per quanto riguarda le teorie, i dati edi risultati di ricerche esistenti relativi al tempo, materiali di costruzione, termotecnica, astronomia e meteorologia, viene proposta la metodologia sulla stima oraria dell'energia solare e della radiazione atmosferica laddove l'approssimazione matematica risulta la più adatta al problema . 2. Definizione del con

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Eriksson, Linnea. "The impact of calculation methods on the gap between predicted and actual energy performance of buildings : Using a thermal simulation model of a building." Thesis, Karlstads universitet, Fakulteten för hälsa, natur- och teknikvetenskap (from 2013), 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:kau:diva-33225.

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The building sector is responsible for almost a quarter of the total carbon dioxide emissions. The urgency to reduce the emissions is reflected in the stricter guidelines which have been set all over the world. To reduce the building sector’s emissions the energy consumption need to be reduced, which can be done in two ways: building new energy efficient buildings or retrofitting of current buildings. Due to the life expectancy of current building stock the largest savings before 2030 will be made through retrofits. For this reliable computational tools are required, and currently there is a g

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SILENZI, FEDERICO. "DYNAMIC THERMAL ANALYSIS OF NEARLY ZERO EMISSION BUILDINGS WITH GEOTHERMAL AND SOLAR PLANTS." Doctoral thesis, Università degli studi di Genova, 2020. http://hdl.handle.net/11567/1002027.

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At the present day, the need for the reduction of energy consumption is one of the main issues, from the technical, economic and environmental point of view. Buildings are responsible for more than 40% of energy utilization in European countries in 2017 [1]. Thus, actions that increase building energy efficiency are mandatory. Some interventions on the envelope and the internal operating conditions are addressed to the reduction of the heating and cooling loads of the building (i.e. the energy needs). Others pertain directly to the plants that must be properly selected and sized considering, i

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Wolf, Tobias. "Model-based Assessment of Heat Pump Flexibility." Thesis, Uppsala universitet, Fasta tillståndets fysik, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-284083.

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Today's energy production is changing from scheduled to intermittent generation due to the increasing energy injection from renewable sources. This alteration requires flexibility in energy generation and demand. Electric heat pumps and thermal storages were found to have a large potential to provide demand flexibility which is analysed in this work. A three-fold method is set up to generate thermal load profiles, to simulate heat pump pools and to assess heat pump flexibility. The thermal profile generation based on a combination of physical and behavioural models is successfully validated ag

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Wang, Chao. "Point clouds and thermal data fusion for automated gbXML-based building geometry model generation." Diss., Georgia Institute of Technology, 2014. http://hdl.handle.net/1853/54008.

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Existing residential and small commercial buildings now represent the greatest opportunity to improve building energy efficiency. Building energy simulation analysis is becoming increasingly important because the analysis results can assist the decision makers to make decisions on improving building energy efficiency and reducing environmental impacts. However, manually measuring as-is conditions of building envelops including geometry and thermal value is still a labor-intensive, costly, and slow process. Thus, the primary objective of this research was to automatically collect and extract th

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Lefebvre, Gilles. "Analyse et reduction modales d'un modele de comportement thermique de batiment." Paris 6, 1987. http://www.theses.fr/1987PA066477.

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Comportement dynamique des batiments. La forme modale et les techniques de reduction du modele. Transformation de cette forme lorsque le modele du batiment est simplifie, en une expression analytique simple; cette propriete est utilisee pour rechercher une correlation entre un nombre restreint de parametres descriptifs d'un batiment dont un parametre continu d'inertie et ses besoins de chauffage

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Bagci, Mediha Ozlem. "An Analysis Of The Thermal Performance Of Metu Staff Housing Units And Calibration Of Their Simulated Model." Master's thesis, METU, 2008. http://etd.lib.metu.edu.tr/upload/2/12609616/index.pdf.

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The aim of this study was to investigate the thermal performance of residential units in the Middle East Technical University (METU) Campus, Ankara. The study was conducted on the unoccupied residential units to eliminate the occupant interventions. There were only three unoccupied residential units in the study period, hence sample was considered as randomly selected. Case study units were triplex row houses and all physical characteristics were identical apart from their orientations. The thermal performance of these three residential units was assessed by compiling data on temperature and r

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Cabezas-Rivière, Enzo. "Identifier, comprendre et résoudre les freins à une meilleure maîtrise des consommations de chauffage et du confort en France." Electronic Thesis or Diss., Bordeaux, 2024. http://www.theses.fr/2024BORD0258.

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Dans le contexte environnemental et économique actuel, il est primordial que chaque individu ait les clefs pour maitriser ses consommations de chauffage tout en maintenant un niveau de confort satisfaisant. Cependant, des freins peuvent limiter cette maitrise de l’énergie et du confort. Par exemple, dans les immeubles en chauffage collectif en France, la répartition des charges entre les logements se fait traditionnellement au prorata de la surface, ce qui peut décourager l’adoption et le maintien de comportements sobres en énergie. Pour y remédier, la loi Élan vise à individualiser les frais

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Chen, Rongweixin. "Adaptive thermal comfort and its application in mixed mode buildings : the case of a hot-summer and cold-winter climate in China." Thesis, University of Cambridge, 2018. https://www.repository.cam.ac.uk/handle/1810/285426.

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It is widely recognised that one's ability of adaptation is remarkable and thermal comfort is significantly related to such adaptations. This study proposes an alternative method of predicting adaptive thermal comfort based on the availability of adaptations, in particular behavioural adaptations, which needs quantifications of individual adaptation processes and of interactions between them. The fundamental argument of this method is that exercising an adaptive behaviour leads to an increase in comfort temperature, which is termed adaptive increment in this study. Apart from adaptive incremen

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Shi, Yi. "Research on Application of Parameter Design and Optimization of Building Thermal Model Based on Infrared Image." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2018.

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Questa tesi tratta della progettazione dei parametri e dell'ottimizzazione del modello di consumo energetico degli edifici sulla base di immagini ad infrarossi. I contenuti della ricerca si possono riassumere come segue: 1. Definizione ed implementazione di un nuovo modello semplificato di consumo di energia. In base alle conoscenze teoriche esistenti, il modello complesso di consumo energetico viene semplificato come funzione di correlazione con il consumo di energia delle pareti e con tutti gli altri consumi energetici. 2. Progettazione dei parametri del modello. Prendendo in consider

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Wright, Andrew John. "The development and use of a model for investigating the thermal behaviour of industrial buildings." Thesis, Open University, 1985. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.284684.

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Henning, Martin, and Endi Tollkuci. "Energy simulation model for commercial buildings Beridarebanan 4, 11 and 77, with ice thermal storage." Thesis, KTH, Energiteknik, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-256068.

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District cooling companies enforce a large penalty based on peak demands, which current cooling methods do not address properly. Building developers are exploring alternatives methods to reduce the said peak demands. The use of Ice Thermal Storage is an nontraditional method within the Scandinavian countries, but has shown to be a method to peak shave as well as load shifting in other regions of the worlds. The goal of the thesis was to "investigate the potential of ice thermal storage for cooling demand and peak shaving for Beridarebanan 4, 11, 77". The energy simulation was accomplished usin

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Newsham, Guy R. "Investigating the role of thermal comfort in the assessment of building energy performance using a spatial model." Thesis, University of Cambridge, 1990. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.292780.

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Pereira, Ricardo Jorge da Silva. "Design and optimization of building integration PV/T systems (BIPV/T)." Master's thesis, Universidade de Évora, 2015. http://hdl.handle.net/10174/13382.

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Neste trabalho é analisado, por via numérica e experimental, o comportamento térmico e eléctrico de um sistema fotovoltaico/térmico integrado em edifício, recorrendo a material de mudança de fase para regularização da diferença de temperatura entre interior e exterior e para a estabilização da temperatura do módulo fotovoltaico. Foi realizado uma revisão da literatura sobre o tema. Um modelo de cálculo dos fenómenos de transferência de calor e massa foi desenvolvido, assim como da produção de energia eléctrica, e implementado em software de cálculo Matlab/Simulink®. Paralelamente foram conduzi

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Zhang, Xiangyu. "A Data-driven Approach for Coordinating Air Conditioning Units in Buildings during Demand Response Events." Diss., Virginia Tech, 2019. http://hdl.handle.net/10919/87517.

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Among many smart grid technologies, demand response (DR) is gaining increasing popularity. Many utility companies provide a variety of programs to encourage DR participation. Under these circumstances, various building energy management (BEM) systems have emerged to facilitate the building control during a DR event. Nonetheless, due to the cost and return on investment, these solutions mainly target homes and large commercial buildings, leaving aside small- and medium-sized commercial buildings (SMCB). SMCB, however, accounts for 90% of commercial buildings in the US, and offer great potential

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SERALE, GIANLUCA. "Innovative solar energy technologies and control algorithms for enhancing demand-side management in buildings." Doctoral thesis, Politecnico di Torino, 2018. http://hdl.handle.net/11583/2711298.

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The present thesis investigates innovative energy technologies and control algorithms for enhancing demand-side management in buildings. The work focuses on an innovative low-temperature solar thermal system for supplying space heating demand of buildings. This technology is used as a case study to explore possible solutions to fulfil the mismatch between energy production and its exploitation in building. This shortcoming represents the primary issue of renewable energy sources. Technologies enhancing the energy storage capacity and active demand-side management or demand-response strategies

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Faccani, Alice. "Modeling and validation of the thermal behavior of buildings for the development of demand response methods." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2016. http://amslaurea.unibo.it/10651/.

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The representation of the thermal behaviour of the building is achieved through a relatively simple dynamic model that takes into account the effects due to the thermal mass of the building components. The model of a intra-floor apartment has been built in the Matlab-Simulink environment and considers the heat transmission through the external envelope, wall and windows, the internal thermal masses, (i.e. furniture, internal wall and floor slabs) and the sun gain due to opaque and see-through surfaces of the external envelope. The simulations results for the entire year have been compared and

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Johari, Fatemeh. "Urban building energy modeling : A systematic evaluation of modeling and simulation approaches." Licentiate thesis, Uppsala universitet, Byggteknik och byggd miljö, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-428021.

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Urban energy system planning can play a pivotal role in the transition of urban areas towards energy efficiency and carbon neutrality. With the building sector being one of the main components of the urban energy system, there is a great opportunity for improving energy efficiency in cities if the spatio-temporal patterns of energy use in the building sector are accurately identified. A bottom-up engineering energy model of buildings, known as urban building energy model (UBEM), is an analytical tool for modeling buildings on city-levels and evaluating scenarios for an energy-efficient built e

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Raillon, Loic. "Experimental identification of physical thermal models for demand response and performance evaluation." Thesis, Lyon, 2018. http://www.theses.fr/2018LYSEI039.

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La stratégie de l’Union Européenne pour atteindre les objectifs climatiques, est d’augmenter progressivement la part d’énergies renouvelables dans le mix énergétique et d’utiliser l’énergie plus efficacement de la production à la consommation finale. Cela implique de mesurer les performances énergétiques du bâtiment et des systèmes associés, indépendamment des conditions climatiques et de l’usage, pour fournir des solutions efficaces et adaptées de rénovation. Cela implique également de connaître la demande énergétique pour anticiper la production et le stockage d’énergie (mécanismes de demand

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Simmons, Cody Ryan. "Proactive Energy Optimization in Residential Buildings with Weather and Market Forecasts." BYU ScholarsArchive, 2019. https://scholarsarchive.byu.edu/etd/7594.

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This work explores the development of a home energy management system (HEMS) that uses weather and market forecasts to optimize the usage of home appliances and to manage battery usage and solar power production. A Moving Horizon Estimation (MHE) application is used to find the unknown home model parameters. These parameters are then updated in a Model Predictive Controller (MPC) which optimizes and balances competing comfort and economic objectives. Combining MHE and MPC applications alleviates model complexity commonly seen in HEMS by using a lumped parameter model that is adapted to fit a h

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Faheem, Ahmed. "Behaviour of ventilated hollow core slabs for improving the energy efficiency of office buildings." Thesis, The University of Sydney, 2016. http://hdl.handle.net/2123/15284.

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Ventilated hollow core slabs (VHCSs) have shown to reduce energy requirements in building heating and cooling applications, as they enhance the use of building thermal mass by increasing the contact between the ventilation air and the structure. This thesis aims to contribute towards the accurate modelling of VHCSs for evaluating their thermal performance for building cooling applications under hot climatic conditions. For this purpose, a numerical procedure is developed for the prediction of the thermal performance of VHCS units. A turbulence model suitable for this purpose is identified firs

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Gross, Steven James. "A Feasibility Study of Model-Based Natural Ventilation Control in a Midrise Student Dormitory Building." PDXScholar, 2011. http://pdxscholar.library.pdx.edu/open_access_etds/449.

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Past research has shown that natural ventilation can be used to satisfy upwards of 98% of the yearly cooling demand when utilized in the appropriate climate zone. Yet widespread implementation of natural ventilation has been limited in practice. This delay in market adoption is mainly due to lack of effective and reliable control. Historically, control of natural ventilation was left to the occupant (i.e. they are responsible for opening and closing their windows) because occupants are more readily satisfied when given control of the indoor environment. This strategy has been shown to be effec

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Ren, Mei Juan. "Optimal predictive control of thermal storage in hollow core ventilated slab systems." Thesis, Loughborough University, 1997. https://dspace.lboro.ac.uk/2134/12436.

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The energy crisis together with greater environmental awareness, has increased interest in the construction of low energy buildings. Fabric thermal storage systems provide a promising approach for reducing building energy use and cost, and consequently, the emission of environmental pollutants. Hollow core ventilated slab systems are a form of fabric thermal storage system that, through the coupling of the ventilation air with the mass of the slab, are effective in utilizing the building fabric as a thermal store. However, the benefit of such systems can only be realized through the effective

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Park, Herie. "Modélisation dynamique des apports thermiques dus aux appareils électriques en vue d'une meilleure gestion de l'énergie au sein de bâtiments à basse consommation." Thesis, Cergy-Pontoise, 2013. http://www.theses.fr/2013CERG0683/document.

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Ce travail propose un modèle thermique dynamique des appareils électriques dans les bâtiments basse consommation. L'objectif de ce travail est d'étudier l'influence des gains thermiques de ces appareils sur le bâtiment. Cette étude insiste sur la nécessité d'établir un modèle thermique dynamique des appareils électriques pour une meilleure gestion de l'énergie du bâtiment et le confort thermique de ses habitants.Comme il existe des interactions thermiques entre le bâtiment et les appareils électriques, sources de chaleur internes au bâtiment, il est nécessaire de modéliser le bâtiment. Le bâti

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Boukadida, Nourredine. "Etude d'une structure a effet de diode thermique : application au chauffage solaire d'un local." Poitiers, 1986. http://www.theses.fr/1986POIT2287.

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Etude de l'optimisation de l'effet de diode thermique d'une structure pouvant servir de paroi d'un local. Definition d'une structure alveolaire a lamelles. Etude numerique approchee du comportement thermique journalier et annuel d'un local a structure a effet diode

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Al-Hadban, Yehya. "Demand-side management in office buildings in Kuwait through an ice-storage assisted HVAC system with model predictive control." Thesis, Cranfield University, 2005. http://hdl.handle.net/1826/3885.

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Examining methods for controlling the electricity demand in Kuwait was the main objective and motivation of this researchp roject. The extensiveu se of air-conditioning for indoor cooling in office and large commercial buildings in Kuwait and the Gulf States represents a major part of the power and electricity consumption in such countries. The rising electricity generation cost and growing rates of consumption continuously demand the construction new power plants. Devising and enforcing Demand-SideM anagemen(t DSM) in the form of energye fficient operations trategies was the response of this

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Schreck, Cédric. "Modélisation statistique des transferts thermo-aérauliques dans les bâtiments." Electronic Thesis or Diss., Chambéry, 2024. http://www.theses.fr/2024CHAMA019.

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Le bâtiment doit s’adapter pour faire face aux conditions climatiques futures, notamment des périodes caniculaires plus fréquentes, plus longues et plus intenses. Afin de garantir le confort thermique des occupants, le rafraichissement naturel par ouverture de fenêtre constitue une solution bioclimatique, gratuite en carbone et en énergie. Or, son potentiel de réduction du besoin de rafraîchissement par climatisation dépend de la valeur du taux de renouvellement en air extérieur. Une estimation fiable de ce taux de renouvellement d’air pourrait promouvoir la prise en compte du bénéfice apporté

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Zábojník, Jakub. "Využití knihovny HAM-Tools pro simulaci tepelného chování rodinného domu." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2015. http://www.nusl.cz/ntk/nusl-231126.

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In terms of master’s thesis HAM-Tools library designed for MATLAB/Simulink was modified for the use in simulations of houses in the Czech Republic. Modified library and its parts were described in detail and tested by the simulation of the one-zone and two-zones models of the house. The simulations of models with same parameters were also realized in program TRNSYS. The corresponding results achieved in mentioned simulation tools were compared to each other. The one-zone model created by using HAM-Tools library is tested by the simulation of ventilating, heating, cooling, and sources of moistu

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Aldaouab, Ibrahim. "Optimization and Control of Smart Renewable Energy Systems." University of Dayton / OhioLINK, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=dayton1567770026080553.

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Aoun, Nadine. "Modeling and flexible predictive control of buildings space-heating demand in district heating systems." Thesis, Université Paris-Saclay (ComUE), 2019. http://www.theses.fr/2019SACLC104.

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La gestion de la demande en chauffage des bâtiments raccordés à des réseaux de chaleur s'effectue classiquement au moyen d’une courbe de chauffe : lorsque la température extérieure chute, la température de départ de l’eau alimentant le circuit de chauffage interne est relevée. Ce mode de contrôle, appelé régulation par loi d’eau, présente des atouts en termes de simplicité et de robustesse, mais ne tient pas compte de l'inertie thermique du bâtiment et ne permet donc pas une modulation de sa demande. La modulation de la demande en chauffage se définit comme l'action de contrôle consistant à mo

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Vieira, Afrânio Márcio Corrêa. "Modelagem simultânea de média e dispersão e aplicações na pesquisa agronômica." Universidade de São Paulo, 2009. http://www.teses.usp.br/teses/disponiveis/11/11134/tde-10032009-082556/.

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Diversos delineamentos experimentais que são aplicados correntemente tomam como base experimentos agronômicos. Esses dados experimentais são, geralmente, analisados usando-se modelos que consideram uma variância residual constante (ou homogênea), como pressuposto inicial. Entretanto, esta pressuposição mostra-se relativamente forte quando se está diante de situações para as quais fatores ambientais ou externos exercem considerável influência nas medidas experimentais. Neste trabalho, são estudados modelos para a média e a variância, simultaneamente, com a variância estruturada de duas formas:

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Rodler, Auline. "Modélisation dynamique tridimensionnelle avec tache solaire pour la simulation du comportement thermique d’un bâtiment basse consommation." Thesis, Lyon, INSA, 2014. http://www.theses.fr/2014ISAL0106/document.

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Cette thèse s’inscrit dans le contexte du développement de Bâtiments Basse Consommation. La conception de telles constructions les rend sensibles aux sollicitations internes. Aussi, les outils de thermique du bâtiment existants ne sont pas adaptés pour simuler assez fidèlement ce type de bâtiments, si bien qu’un modèle tridimensionnel et dynamique a été développé ici. Celui-ci présente plusieurs particularités : il s’appuie sur une discrétisation spatiale optimisée des parois, la tache solaire y est localisée et l’intégration des dynamiques des conditions environnementales est assurée par un s

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