Advances In Hygrothermal Performance Of Building Envelopes
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Advances In Hygrothermal Performance Of Building Envelopes
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Author : Phalguni Mukhopadhyaya
language : en
Publisher:
Release Date : 2017
Advances In Hygrothermal Performance Of Building Envelopes written by Phalguni Mukhopadhyaya and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017 with Buildings categories.
"Contains peer-reviewed papers that were presented at a symposium held October 26-27, 2016, in Orlando, Florida, USA. The workshop was sponsored by ASTM International Committee C16 on Thermal Insulation and Subcommittee C16.33 on Insulation Finishes and Moisture. "
Moisture And Buildings
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Author : Arianna Brambilla
language : en
Publisher: Woodhead Publishing
Release Date : 2021-05-28
Moisture And Buildings written by Arianna Brambilla and has been published by Woodhead Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-05-28 with Technology & Engineering categories.
One in three homes, on average, suffer from excessive dampness and mould proliferation, with significant health and economic impacts. The combination of new construction methodologies, stricter airtightness requirements and the changing social and cultural context that influences the way we live inside buildings has created unprecedented challenges for the built environment. In modifying indoor and outdoor environments and the building envelopes that serve as a filter between the two, we are changing the physical parameters of the ways in which buildings behave and respond to climatic stimuli. Understanding and predicting the way in which buildings and moisture may interact should be an important step in the design process, aiming to minimise possible negative long-term consequences. Understanding and predicting the way in which buildings and moisture may interact is, today more than ever, essential yet difficult, as the experience of the past has lost its applicability. Moisture-related issues never have a simple solution, since they involve multiple factors, including design, construction, maintenance, materials, climate and occupation pattern. Thus, while the topic is attracting growing attention among researchers, designers and practitioners, the pace with which actual change is occurring is still too slow. Moisture and Buildings provides a critical overview of current research, knowledge and policy frameworks, and presents a comprehensive analysis of the implications of moisture and the importance of accounting for it during the design process. It responds to the urgent need for a systematic organization of the existing knowledge to identify research gaps and provide directions for future developments. The ultimate goal is to increase awareness of the multifaceted implications of hygrothermal phenomena and promote integrated design processes that lead to healthier and more durable constructions. Presents advanced knowledge on hygrothermal processes and their interaction with buildings Integrates the three key areas of moisture transport and its impact on buildings, including durability, human health and comfort Considers the most useful computational tools for assessing moisture and building interactions Includes a section on the main European, American and Australian building codes Explains the risks of mold growth to human health, including growth models to assessment methods
Moisture Analysis And Condensation Control In Building Envelopes
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Author : Heinz R. Trechsel
language : en
Publisher: ASTM International
Release Date : 2001
Moisture Analysis And Condensation Control In Building Envelopes written by Heinz R. Trechsel and has been published by ASTM International this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001 with Dampness in buildings categories.
Annotation Contributors address typical moisture analysis methods and models and provide the technical background for understanding and applying moisture analysis. Chapters address weather data, hygrothermal properties of building materials, failure criteria, an overview of hygrothermal analysis methods (HAM), advanced numerical models for hygrothermal research, manual analysis tools, a numerical method for design, and a hygrothermal design tool for architects and engineers. Includes a glossary and instructions for using the CD-ROM, which includes two models of computer-based moisture analysis, as well as two programs to convert various properties of air. Annotation c. Book News, Inc., Portland, OR (booknews.com).
Development Of A Hygrothermal Simulation Tooil Ham Be For Building Envelope Study
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Author : Qinru Li
language : en
Publisher:
Release Date : 2008
Development Of A Hygrothermal Simulation Tooil Ham Be For Building Envelope Study written by Qinru Li and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008 with categories.
To prevent the building envelope from moisture-related damages, it is essential to predict the building envelope's hygrothermal performance through a scientific approach, and further to improve the design and construction. In this thesis, an advanced numerical tool (HAM-BE) was developed to simulate the combined heat, air and moisture (HAM) transport in the building envelope. The state of the art knowledge of heat and mass transfer in building materials was applied. The major features of HAM-BE are: multi-dimensional and transient coupling of heat and moisture transport; air convection integrated in hygrothermal simulation through Darcy-Boussinesq approximation; heat transfer mechanisms of conduction and convection of sensible and latent heat; moisture transport mechanisms of vapor diffusion, capillary suction and air convection; material database of common building materials in North America; experimental settings or hourly weather data as boundary conditions; and setting moisture loading inside the materials or along the surfaces of the building envelope's hidden or exposed components to simulate the wetting process. A commercial finite element solver was chosen to solve the governing partial differential equations (PDEs) of hygrothermal transport. This approach provided building science researchers the flexibility to build, modify, and maintain their modeling work efficiently. Validation of HAM-BE included inter-model comparison with benchmarking cases of the HAMSTAD project and comparison between numerical simulation with data of the Collaborative Research and Development (CRD) project measured by fellow students under the supervision of Drs Fazio and Rao. Through validation work, HAM-BE was proven to have great potential as an accurate and reliable research tool for the building envelope study. As the extension of the CRD investigation, parametric study was carried out to estimate the drying performance of wood-frame walls under the climatic conditions of Montreal and Vancouver. It is demonstrated that the climate condition has the most significant influence to the drying process of the wet components in wall assemblies. The drying process occurs mainly in the summer season, and is largely restrained in the winter season. To improve outward drying, the cladding materials should have high vapor permeance, especially the sheathing membrane. The sheathing board with higher vapor permeance also facilitates drying. Under the investigated climates, the polyethylene vapor barrier at the warm side of the wall is not beneficial, rather restricts the possibility of inward drying.
Advanced Computational Methods And Experiments In Heat Transfer Xii
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Author : B. Sundén
language : en
Publisher: WIT Press
Release Date : 2012-06-27
Advanced Computational Methods And Experiments In Heat Transfer Xii written by B. Sundén and has been published by WIT Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-06-27 with Technology & Engineering categories.
Containing papers presented at the twelfth in a series of successful international conferences on Advanced Computational Methods and Experiments in Heat Transfer, this book covers the latest developments in this important field. Heat Transfer plays a major role in emerging application fields such as sustainable development and the reduction of greenhouse gases, as well as micro- and nano-scale structures and bio-engineering. Typical applications include heat exchangers, gas turbine cooling, turbulent combustion and fires, electronics cooling, melting and solidification. The nature of heat transfer problems is complex, involving many different simultaneously occurring mechanisms (e.g., heat conduction, convection, turbulence, thermal radiation. phase change). Their complexity makes it imperative that we develop reliable and accurate computational methods to replace or complement expensive and time-consuming experimental trial and error work. Tremendous advances have been achieved during recent years due to improved numerical solutions of non-linear partial differential equations and more powerful computers capable of performing efficient and rapid calculations. Nevertheless, to further progress, it will also be necessary to develop theoretical and predictive computational procedures--both basic and innovative--and in applied research. Accurate experimental investigations are needed to validate the numerical calculations. The book includes such topics as: Heat Transfer in Energy Producing Devices; Heat Transfer Enhancement; Heat Transfer Problems; Natural and Forced Convection and Radiation; Multiphase Flow Heat Transfer; Modelling and Experiments.
Gulf Conference On Sustainable Built Environment
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Author : Ali Bumajdad
language : en
Publisher: Springer Nature
Release Date : 2020-04-07
Gulf Conference On Sustainable Built Environment written by Ali Bumajdad and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-04-07 with Architecture categories.
This volume brings together outstanding contributions to the Gulf Conference on Sustainable Built Environment, held at the Marina Hotel Kuwait, near Kuwait City. The Proceedings collects 29 papers on a range of engineering and materials challenges, and best practices, addressing development of new sustainable building materials, performance improvement of structures and tall buildings, developing monitoring and analysis techniques and frameworks for existing infrastructure under environmental effects, development of long-term sustainability plans for building stock, and development of energy efficient buildings in the gulf region. The Conference was organized by the Kuwait Foundation for the Advancement of Sciences (KFAS), the Massachusetts Institute of Technology, the Kuwait Institute for Scientific Research, and Kuwait University.
Nearly Zero Energy Buildings And Proliferation Of Microorganisms
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Author : Elisa Di Giuseppe
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-10-22
Nearly Zero Energy Buildings And Proliferation Of Microorganisms written by Elisa Di Giuseppe and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-10-22 with Technology & Engineering categories.
This book provides a concise review of the thermo-physical phenomena which regulate heat and moisture transportation in Nearly Zero Energy Buildings envelopes, and their relationship with the growth of biological organisms. It describes the main microorganisms proliferating on contemporary building elements and within buildings. It also states the consequences of biological growth on durability, aesthetics and human health; and provides the main methods for the analytical and experimental evaluation of proliferation. Finally, through the review of recent developments, remedial actions to counter the biological phenomenon are examined, and an outline is provided for future innovations in a field not yet widely investigated.
Recent Developments In Building Diagnosis Techniques
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Author : João M.P.Q. Delgado
language : en
Publisher: Springer
Release Date : 2016-02-22
Recent Developments In Building Diagnosis Techniques written by João M.P.Q. Delgado and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-02-22 with Technology & Engineering categories.
This book presents a collection of recent research on building diagnosis techniques related to construction pathology, hygrothermal behavior and durability, and diagnostic techniques. It highlights recent advances and new developments in the field of building physics, building anomalies in materials and components, new techniques for improved energy efficiency analysis, and diagnosis techniques such as infrared thermography. This book will be of interest to a wide readership of professionals, scientists, students, practitioners, and lecturers.
Materials For Energy Efficiency And Thermal Comfort In Buildings
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Author : Matthew R Hall
language : en
Publisher: Elsevier
Release Date : 2010-04-21
Materials For Energy Efficiency And Thermal Comfort In Buildings written by Matthew R Hall and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010-04-21 with Technology & Engineering categories.
Almost half of the total energy produced in the developed world is inefficiently used to heat, cool, ventilate and control humidity in buildings, to meet the increasingly high thermal comfort levels demanded by occupants. The utilisation of advanced materials and passive technologies in buildings would substantially reduce the energy demand and improve the environmental impact and carbon footprint of building stock worldwide. Materials for energy efficiency and thermal comfort in buildings critically reviews the advanced building materials applicable for improving the built environment. Part one reviews both fundamental building physics and occupant comfort in buildings, from heat and mass transport, hygrothermal behaviour, and ventilation, on to thermal comfort and health and safety requirements. Part two details the development of advanced materials and sustainable technologies for application in buildings, beginning with a review of lifecycle assessment and environmental profiling of materials. The section moves on to review thermal insulation materials, materials for heat and moisture control, and heat energy storage and passive cooling technologies. Part two concludes with coverage of modern methods of construction, roofing design and technology, and benchmarking of façades for optimised building thermal performance. Finally, Part three reviews the application of advanced materials, design and technologies in a range of existing and new building types, including domestic, commercial and high-performance buildings, and buildings in hot and tropical climates. This book is of particular use to, mechanical, electrical and HVAC engineers, architects and low-energy building practitioners worldwide, as well as to academics and researchers in the fields of building physics, civil and building engineering, and materials science. Explores improving energy efficiency and thermal comfort through material selection and sustainable technologies Documents the development of advanced materials and sustainable technologies for applications in building design and construction Examines fundamental building physics and occupant comfort in buildings featuring heat and mass transport, hygrothermal behaviour and ventilation
Advanced Computational Methods And Experiments In Heat Transfer Xi
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Author : Bengt Sundén
language : en
Publisher: WIT Press
Release Date : 2010
Advanced Computational Methods And Experiments In Heat Transfer Xi written by Bengt Sundén and has been published by WIT Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010 with Technology & Engineering categories.
.".. Eleventh International Conference on Advanced Computational Methods and Experimental Measurements in Heat Transfer and Mass Transfer held in Tallinn, Estonia in 2010"--Pref.