Analysis tools and guidance documents for evaluating and reducing vulnerability of buildings to airborne threats--part 1: literature review.(Report): An article from: ASHRAE Transactions

Analysis tools and guidance documents for evaluating and reducing vulnerability of buildings to airborne threats--part 1: literature review.(Report): An article from: ASHRAE Transactions Review

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This digital document is an article from ASHRAE Transactions, published by American Society of Heating, Refrigerating, and Air-Conditioning Engineers, Inc. on January 1, 2011. The length of the article is 6459 words. The page length shown above is based on a typical 300-word page. The article is delivered in HTML format and is available immediately after purchase. You can view it with any web browser.

From the author: This paper classifies and describes analysis methods, tools, and simulation programs that allow prediction of airborne chemical/biological dispersal and transport dynamics in indoor environments subject to different risk scenarios. These are the building blocks for related analytical treatment of the overall problem involving risk assessment, risk management, and identifying cost-effective mitigation measures. These methods are distinguished by the level of mathematical and scientific rigor in modeling the phenomena, in the spatial and temporal resolution in solving the modeling equations, and in the types of boundary conditions and the numerical parameters that appear in the model. The paper also describes various general guidance documents and vulnerability assessment protocols and software available in the open-source literature to assess and reduce vulnerability in buildings due to airborne threats and risks.

Citation Details
Title: Analysis tools and guidance documents for evaluating and reducing vulnerability of buildings to airborne threats--part 1: literature review.(Report)
Author: T. Agami Reddy
Publication:ASHRAE Transactions (Magazine/Journal)
Date: January 1, 2011
Publisher: American Society of Heating, Refrigerating, and Air-Conditioning Engineers, Inc.
Volume: 117 Issue: 1 Page: 817(9)

Article Type: Report

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Sep 24, 2011 15:08:34

Energy recovery in air handling systems in non-residential buildings - design considerations.(Report): An article from: ASHRAE Transactions

Energy recovery in air handling systems in non-residential buildings - design considerations.(Report): An article from: ASHRAE Transactions Review

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This digital document is an article from ASHRAE Transactions, published by American Society of Heating, Refrigerating, and Air-Conditioning Engineers, Inc. on July 1, 2010. The length of the article is 3417 words. The page length shown above is based on a typical 300-word page. The article is delivered in HTML format and is available immediately after purchase. You can view it with any web browser.

From the author: In the case of run-around loop systems there are different strategies for capacity control of the liquid flow to obtain optimal operation. Common alternatives are constant flow with variable temperature by means of a shunt group and variable flow by means of two-way valve. A more energy efficient way is direct flow control of a variable speed pump. In direct flow control a much smaller pump power is used compared to valve control. Shunt groups, in particular, result in pump power that is constant and unaffected by the real demand. Calculations based on measurements on a run-around loop system with direct flow control during three months show that the pump power after optimizing the flow can be reduced by 80 %.

Citation Details
Title: Energy recovery in air handling systems in non-residential buildings - design considerations.(Report)
Author: Caroline Markusson
Publication:ASHRAE Transactions (Magazine/Journal)
Date: July 1, 2010
Publisher: American Society of Heating, Refrigerating, and Air-Conditioning Engineers, Inc.
Volume: 116 Issue: 2 Page: 154(14)

Article Type: Report

Distributed by Gale, a part of Cengage Learning

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Sep 16, 2011 10:20:06

Pre-cooling in Mechanically Cooled Buildings (Technical Note)

Pre-cooling in Mechanically Cooled Buildings (Technical Note) Review

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This report presents the results of BSRIA's research into the potential benefits of pre-cooling in mechanically-cooled buildings. It provides guidance on the application of pre-cooling, and demonstrates its potential through case studies. A building appraisal procedure is included which enables building operators to determine the potential for pre-cooling in specific applications. There are also details on simple pre-cool control strategies, and the possible problems that can affect performance.

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Customer Review

Sep 04, 2011 10:09:34