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Author: Heinz R. Trechsel
Publisher: ASTM International
ISBN:
Category : Dampness in buildings
Languages : en
Pages : 226
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Book Description
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).
Author: Heinz R. Trechsel
Publisher: ASTM International
ISBN:
Category : Dampness in buildings
Languages : en
Pages : 226
Get Book Here
Book Description
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).
Author: HR. Trechsel
Publisher:
ISBN:
Category : Building envelopes
Languages : en
Pages : 12
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Book Description
Following up on ASTM MNL 18, Moisture Control in Buildings, ASTM Committees C16 and E06 now co-sponsor ASTM MNL 40, Moisture Analysis in Buildings. MNL 40 expands the chapters on Modeling and on Design Tools and adds to the chapters on Weather Data and Materials Data of MNL 18, published in 1994.
Author: Heinz R. Trechsel
Publisher: ASTM International
ISBN:
Category :
Languages : en
Pages : 494
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Book Description
Author: Joseph Lstiburek
Publisher: John Wiley & Sons
ISBN: 9780471318637
Category : Architecture
Languages : en
Pages : 370
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Book Description
In the climate-controlled buildings of today, moisture problemsaffect not only the useable life expectancy of the structure, butthe comfort and health of the occupants. This reference is thefirst to apply up-to-date moisture control and treatment techniquesin a problem/solution format. Opening with an introductoryexplanation of the nature and causes of mold, mildew, andcondensation, the book gives specific advice on heated, cooled, andcombination environments, plus a short course in the dynamics ofmoisture movement within buildings. Other invaluable coverageincludes: * clear, detailed recommended practices for all United Statesclimates * practices for cooling as well as heating climates (often, heatingclimate solutions are applied in cooling climates, where problemsand solutions are completely different) * an overall, systematic view of moisture problems--including howmechanical systems and occupant lifestyles can create and alsoresolve moisture problems * actual case studies of buildings with moisture problems thatillustrate the principles and practices presented in the book This detailed, no-nonsense exploration of moisture cause andeffect--as well as its protection and remediation--will expandreaders' knowledge on this crucial subject. Moisture ControlHandbook will be welcomed by building contractors, architects,mechanical engineers, building science researchers, buildingproduct manufacturers, homeowners, and small commercial buildingowners.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
This document serves as the final report documenting work completed by Oak Ridge National Laboratory (ORNL) and the Fraunhofer Institute in Building Physics (Holzkirchen, Germany) under an international CRADA No. 0575 with Fraunhofer Institute of Bauphysics of the Federal Republic of Germany for Researching Complex Heat, Air and Moisture Interactions for a Wide Range of Building Envelope Systems and Environmental Loads. This CRADA required a multi-faceted approach to building envelope research that included a moisture engineering approach by blending extensive material property analysis, laboratory system and sub-system thermal and moisture testing, and advanced moisture analysis prediction performance. The Participant's Institute for Building physics (IBP) and the Contractor's Buildings Technology Center (BTC) identified potential research projects and activities capable of accelerating and advancing the development of innovative, low energy and durable building envelope systems in diverse climates. This allowed a major leverage of the limited resources available to ORNL to execute the required Department of Energy (DOE) directives in the area of moisture engineering. A joint working group (ORNL and Fraunhofer IBP) was assembled and a research plan was executed from May 2000 to May 2005. A number of key deliverables were produced such as adoption of North American loading into the WUFI-software. in addition the ORNL Weather File Analyzer was created and this has been used to address environmental loading for a variety of US climates. At least 4 papers have been co-written with the CRADA partners, and a chapter in the ASTM Manual 40 on Moisture Analysis and Condensation Control. All deliverables and goals were met and exceeded making this collaboration a success to all parties involves.
Author: Airah
Publisher:
ISBN: 9780949436177
Category : Dampness in buildings
Languages : en
Pages : 0
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Book Description
This guide formulates design assumptions for moisture design analysis and criteria for acceptable performance. Ideally, a design analysis involves the determination of the probability of failure and treats all design parameters and loads as stochastic variables. However, sufficient data is often not available to make a full statistical treatment practical. Instead, where only limited data exist, a moisture design protocol must be based on a combination of statistical data and professional judgment. Another judgment involves the choice of an acceptable probability of the occurrence of damage. Although it is common to impose very stringent criteria for structural design because of safety concerns, moisture damage usually occurs over a long period of time and usually has less catastrophic, although sometimes costly, consequences. An international consensus has emerged that the analysis should be predicated on loads that will not be exceeded 90% of the time. This guide adopts this approach. In a moisture analysis for building envelope design, the choice of indoor environmental conditions is extremely important, especially for buildings in cold climates. This guide opts for a design indoor climate definition that is based on engineering principles, is independent of construction, and reflects the influence of ventilation and air-conditioning equipment and controls that may or may not be part of the building design. In buildings where indoor humidity and temperature are explicitly controlled, the building envelope performance should be evaluated with the intended indoor design conditions. In residential buildings, indoor humidity is rarely explicitly controlled, so default design assumptions are needed for these buildings. In general, the methodology outlined in this guide encourages designers to use their own design parameter values if they are known and part of the design. If they are unknown or not included in the design, the methodology outlined in this guide provides default values for those loads and parameters.
Author: Paul G. Johnson
Publisher: ASTM International
ISBN: 0803134576
Category : Exterior walls
Languages : en
Pages : 288
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Book Description
Annotation All of the presentations and the papers in this publication address ways to improve the performance of exterior building walls, or ways to identify, understand, and avoid the factors leading to failures in the future.
Author: EL. Bales
Publisher:
ISBN:
Category : Analysis
Languages : en
Pages : 24
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Book Description
Analytical procedures are routinely used for structural integrity of buildings, but for moisture control, designers still rely on rules of thumb, such as "install vapor retarders in cold climates on the inside and in warm climates on the exterior of thermal insulation." However, cold and warm climates are ill defined, large areas of the United States have warm summers and cold winters, and the rules do not recognize the effects of other materials in the thermal envelope. Analytical methods for determining the moisture movement in building envelopes are available. These methods can predict condensation, moisture content of layers and surface relative humidities; dynamic methods also predict the duration of moisture excursions, providing a basis for moisture damage risk assessment. Recognizing that practitioners are not generally trained to use available analytical tools, the Building Environment and Thermal Envelope Council (BETEC) has developed a tutorial on moisture analysis for building designers. The tutorial consists of a Moisture Primer, an Overview of Analysis Methods, and a training session on MOIST, a dynamic model developed by the National Institute for Standards and Technology. The paper outlines the need for the analytical approach to moisture control and summarizes the three sessions.
Author: Heinz R. Trechsel
Publisher:
ISBN: 9780803170049
Category : Air conditioning
Languages : en
Pages :
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Book Description
Author: Heinz R. Trechsel
Publisher:
ISBN: 9780803184008
Category :
Languages : en
Pages :
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Book Description
