building physics heat air and moisture fundamentals and engineering methods with examples and exercise

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Building Physics Heat Air And Moisture

Author : Hugo S. L. Hens
ISBN : 9783433601303
Genre : Technology & Engineering
File Size : 71. 65 MB
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Bad experiences with construction quality, the energy crises of 1973 and 1979, complaints about 'sick buildings', thermal, acoustical, visual and olfactory discomfort, the move towards more sustainability, have all accelerated the development of a field, which until 35 years ago was hardly more than an academic exercise: building physics. Through the application of existing physical knowledge and the combination with information coming from other disciplines, the field helps to understand the physical performance of building parts, buildings and the built environment, and translates it into correct design and construction. This book is the result of thirty years teaching, research and consultancy activity of the author. The book discusses the theory behind the heat and mass transport in and through building components. Steady and non steady state heat conduction, heat convection and thermal radiation are discussed in depth, followed by typical building-related thermal concepts such as reference temperatures, surface film coefficients, the thermal transmissivity, the solar transmissivity, thermal bridging and the periodic thermal properties. Water vapour and water vapour flow and moisture flow in and through building materials and building components is analyzed in depth, mixed up with several engineering concepts which allow a first order analysis of phenomena such as the vapour balance, the mold, mildew and dust mites risk, surface condensation, sorption, capillary suction, rain absorption and drying. In a last section, heat and mass transfer are combined into one overall model staying closest to the real hygrothermal response of building components, as observed in field experiments. The book combines the theory of heat and mass transfer with typical building engineering applications. The line from theory to application is dressed in a correct and clear way. In the theory, oversimplification is avoided. This book is the result of thirty years teaching, research and consultancy activity of the author.

Building Physics Heat Air And Moisture

Author : Hugo S. L. Hens
ISBN : 9783433602355
Genre : Technology & Engineering
File Size : 28. 67 MB
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Bad experiences with construction quality, the energy crises of 1973 and 1979, complaints about 'sick buildings', thermal, acoustical, visual and olfactory discomfort, the need for good air quality, the move towards more sustainability, all have accelerated the development of a field, which until some 40 years ago was hardly more than an academic exercise: building physics. Building physics combines several knowledge domains such as heat and mass transfer, building acoustics, lighting, indoor environmental quality and energy efficiency. In some countries, also fire safety is included. Through the application of existing physical knowledge and the combination with information coming from other disciplines, the field helps to understand the physical phenomena governing assembly, building envelope, whole building and built environment performance, although for the last the wording "urban physics" is used. Building physics has a true impact on performance based building design. This volume focuses on heat, air, moisture transfer and its usage in building engineering applications.

Applied Building Physics

Author : Hugo S. L. Hens
ISBN : 9783433601273
Genre : Technology & Engineering
File Size : 49. 64 MB
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The energy crises of the 1970s, persisting moisture problems, complaints about sick buildings, thermal, visual and olfactory discomfort, and the move towards more sustainability in building construction have pushed Building Physics to the forefront of building innovation. The societal pressure to diminish energy consumption in buildings without impairing usability acted as a trigger to activate the whole notion of performance based design and construction. As with all engineering sciences, Building Physics is oriented towards application, which is why, after a first book on fundamentals this second volume examines performance rationale and performance requirements. Outdoor and indoor climate conditions are described and calculation values are discussed, the performance concept is specified at the building level and at the building envelope level, and heat-air-moisture material properties are defined. The book incorporates 35 years of teaching Building Physics to architectural, building and civil engineers, bolstered by 40 years of experience, research and consultancy.

Introduction To Building Physics

Author : Carl-Eric Hagentoft
ISBN : 9144018967
Genre : Technology & Engineering
File Size : 23. 29 MB
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The state and operation of the building envelope--walls, roofs and foundation--are analyzed as well as the physical process components: heat, moisture and air transfer. These physical transport processes determine the performance of the building. Thorough knowledge of building physics is essential for planning and constructing sound, energy-efficient buildings with high levels of comfort and durability. This book will help the reader anticipate the performance and consequences of alternate designs as well as determining technical solutions before critical design and construction decisions can be made. The focus of this text is on the theories behind the physical problems which may arise and offers mathematical models to arrive at needed solutions.

Principles Of Environmental Physics

Author : John Monteith
ISBN : 9780123869937
Genre : Science
File Size : 69. 66 MB
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Principles of Environmental Physics: Plants, Animals, and the Atmosphere, 4e, provides a basis for understanding the complex physical interactions of plants and animals with their natural environment. It is the essential reference to provide environmental and ecological scientists and researchers with the physical principles, analytic tools, and data analysis methods they need to solve problems. This book describes the principles by which radiative energy reaches the earth’s surface and reviews the latest knowledge concerning the surface radiation budget. The processes of radiation, convection, conduction, evaporation, and carbon dioxide exchange are analyzed. Many applications of environmental physics principles are reviewed, including the roles of surface albedo and atmospheric aerosols in modifying microclimate and climate, remote sensing of vegetation properties, wind forces on trees and crops, dispersion of pathogens and aerosols, controls of evaporation from vegetation and soil (including implications of changing weather and climate), and interpretation of micrometeorological measurements of carbon dioxide and other trace gas fluxes. Presents a unique synthesis of micrometeorology and ecology in its widest sense Deals quantitatively with the impact of weather on living systems but also with the interactions between organisms and the atmosphere that are a central feature of life on earth Offers numerous worked examples and problems with solutions Provides many examples of laboratory and field measurements and their interpretation Includes an up-to-date bibliography and review of recent micrometeorological applications in forestry, ecology, hydrology, and agriculture

Cranes

Author : J. Verschoof
ISBN : UOM:39015049546917
Genre : Technology & Engineering
File Size : 34. 94 MB
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This volume features: comprehensive review of crane types; discussion and explanation of crane design, specification, selection, maintenance and operation; detailed examination of components; expert advice on design features and preferred technical solutions; and illustrations and photographs.

Talking Architecture

Author : Hanno Rauterberg
ISBN : 3791340131
Genre : Architecture
File Size : 49. 56 MB
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What do they actually do, what are they hoping to achieve and how convincing is it? Hanno Rauterberg talks with today's leading architects about their inspiration, the influences on their architecture and whether their designs can change the world. Informative, accessible and richly illustrated, this fascinating collection of interviews offers a chance to compare, contrast and get to know the brilliant architects that are shaping the world we live in. Book jacket.

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