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Cold Air Distribution in a Factory Built Home

Sponsors:  by Oklahoma Center for the Advancement of Science and Technology and Quantum Construction Technologies, Inc.

Description: Over the last three decades development of energy conservation measures for residential buildings have focused on measures that have been most applicable to colder climates where heating requirements dominate the residential energy budget. These measures while generally beneficial, do not address some of the energy related building and system design issues important in the varied climates of Oklahoma. Achieving the highest Energy StarÒ rating is a key aspect of the Quantum’s marketing strategy. This proposal will address the building design and system integration issues specific to residential buildings in both hot-dry and hot-humid climates. The technology developed from this investigation will be directly applicable to the significant energy related design issues currently facing Quantum.

Over the last three decades development of energy conservation measures for residential buildings have focused on measures that have been most applicable to colder climates where heating requirements dominate the residential energy budget. These measures while generally beneficial, do not address some of the energy related building and system design issues important in the varied climates of Oklahoma.  Achieving the highest Energy StarÒ rating is a key aspect of the Quantum’s marketing strategy.  This proposal will address the building design and system integration issues specific to residential buildings in both hot-dry and hot-humid climates.  The technology developed from this investigation will be directly applicable to the significant energy related design issues currently facing Quantum.

A Quantum prototypical Structural Insulated Panel (SIP) house will be constructed and instrumented for this study.  The prototype will provide baseline temperature, humidity and airspeed data.  Initially the data will be used to develop design procedures and calculate critical design parameters that can be immediately applied by Quantum.  The data will be used later in the study to develop laboratory tests and validate generalized correlations and procedures.

 The laboratory testing phase of the project will utilize previously developed laboratories at OSU, previously developed experimental procedures and the field data collected during the first phase of this project to develop fundamentally based convective heat transfer correlations that are generally applicable to cold air distribution systems, thus advancing the state of the art.

The project will also advance the state of the art of building energy analysis in two key respects.  First, the measured data will extend the body of literature related to cold jets in non-isothermal rooms.  In particular, the investigation of the novel cold air distribution system will provide valuable information for model development and the characterization of interzone air flow with various configurations of high velocity cold air systems.  Second, the study is expected to provide fundamental and generally applicable design parameters and correlations to the building science literature.

Keywords:  energy, system design, building technology

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