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Currently, 120 building models from SNL's New Mexico and California campuses have been created. Once this CUB model has been created, the individual contributions of each building are still tracked through meters.
#Set up endnote student loyola new orleans manual
After using the utility, several manual steps are required to complete the process. A utility has been created that joins multiple building models into a single model. The capability to include central utility buildings (CUBs) that service more than one building with chilled water has been developed. Once the database has been configured, a user interface in Microsoft Excel (r) is used to create scenarios with one or more ECMs. In addition to this, the building module has the capability to apply climate scenarios through applying different weather files to each simulation year. This enables the capability to keep a continuous record of models in the past, which are replaced with different models as changes occur to the building. Each building can be represented by many models.
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Once building models have been appropriately prepared, they are checked into a Microsoft Access (r) database. The module has been created so that it can be generally applied to any set of DOE-2 ( more » ) building models that have been altered to include parameters and expressions required by energy conservation measures (ECM). The IX building module allows users to define the evolution of many buildings over time. The building sector has been the primary focus so far because it is the largest consumer of resources for SNL. Sandia National Laboratories' (SNL) Institutional Transformation (IX) project vision is to provide tools that enable planners to make well-informed decisions concerning sustainability, resource conservation, and emissions reduction across multiple sectors. Reducing the resource consumption and emissions of large institutions is an important step toward a sustainable future. During one week in February, the Trombe wall produced a 50% greater net thermal gain to the building than an equivalent area of south-facing windows. The thermocouple wells in the earth surrounding the building indicate that burying a wall is more energy efficient than berming. The earth-covered roof system showed an overall thermal transmittance of 0.18 W/m/sup 2/ /sup 0/C (R = 31 h ft/sup 2/ /sup 0/F Btu/sup -1/). Performances have been isolated for several of the energy-conserving components: the earth-covered roof, the bermed wall, and the nonvented Trombe wall. A preliminary winter energy balance has been generated from data collected in February and March and provides a fractional breakdown of thermal losses and gains. DOE-2 building simulations suggest that this earth-covered, passively solar heated office dormitory saves 30% more » of the space heating and 26% of the cooling costs of an energy-efficient above grade structure. A preliminary DOE-2 model estimates the monthly electric energy needs for heating to be within 5% of our field data-derived estimates. The building's thermal integrity factor is 0.016 kWh/m/sup 2/ /sup 0/C (2.8 Btu/ft/sup 2/ /sup 0/F).
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Based on field-measured data, heating the office and dormitory building over the 1981-1982 heating season cost $1.70/m/sup 2/ ($0.16/ft/sup 2/), assuming the cost of electricity to be $0.057/kWh. A 345-m/sup 2/ earth-covered structure located at Oak Ridge National Laboratory is the focus of a DOE-sponsored building envelope research project.