Now showing items 1-20 of 1002

    • Sweeney, J., Jr.; Culp, C. (Texas A&M University (http://www.tamu.edu); Energy Systems Laboratory (http://esl.tamu.edu), 2001)
      The measurement of a building's electrical and thermal consumption provides the necessary data used to increase energy efficiency. Measurements typically range from hourly to monthly. Monthly data can be used to ...
    • Brown, M.; Ansari, A. (Energy Systems Laboratory (http://esl.tamu.edu); Texas A&M University (http://www.tamu.edu), 2001)
      The US Postal Service operates more than 38,000 post offices across the country and spends $350 million annually on utilities (1). Driven by President Clinton's 1999 Executive Order that mandates a 35 percent reduction in ...
    • Farouz, S.; Baltazar-Cervantes, J. C.; Haberl, J. S.; Claridge, D. E. (Energy Systems Laboratory (http://esl.tamu.edu); Texas A&M University (http://www.tamu.edu), 2001)
      The monitoring and verification procedures that have been developed for the Texas LoanSTAR program and the ESL's Rebuild America Program have become a foundation for a number of other state and federal M&V programs, including ...
    • Claridge, D. E. (Energy Systems Laboratory (http://esl.tamu.edu); Texas A&M University (http://www.tamu.edu), 2001)
      The occupancy factor is often underestimated in inverse modeling of building energy use, or accounted for by grouping the daily data in occupied and unoccupied groups which are modeled separately. For instance, in institutional ...
    • Joo, I. S.; Liu, M. (Energy Systems Laboratory (http://esl.tamu.edu); Texas A&M University (http://www.tamu.edu), 2001)
      Dual-fan, dual-duct air-handling units introduce outside air directly into the cooling duct and use two variable speed devices to independently maintain the static pressure of the hot and the cold air ducts. Analytical ...
    • Friedman, H.; Piette, M. A. (Energy Systems Laboratory (http://esl.tamu.edu); Texas A&M University (http://www.tamu.edu), 2001)
      This paper compares and evaluates the capabilities of six emerging diagnostic tools for commercial HVAC systems. We present a brief description of the diagnostic tools, and then focus on evaluating the features of the ...
    • Cromer, C. J. (Energy Systems Laboratory (http://esl.tamu.edu); Texas A&M University (http://www.tamu.edu), 2001)
      The Cromer cycle uses a desiccant wheel operating in conjunction with a typical air conditioning system. Simulations and laboratory prototypes demonstrate that the cycle has the potential for enhanced humidity control with ...
    • Kinney, S.; Piette, M. A.; Gu, L.; Haves, P. (Energy Systems Laboratory (http://esl.tamu.edu); Texas A&M University (http://www.tamu.edu), 2001)
      A great deal of research has examined the weather sensitivity of energy consumption in commercial buildings; however, the recent power crisis in California has given greater importance to peak demand. Several new ...
    • Bryant, J. A.; McBride, J.; Merka, T. (Energy Systems Laboratory (http://esl.tamu.edu); Texas A&M University (http://www.tamu.edu), 2001)
      The Texas Department of Criminal Justice Utilities and Energy Department (TDCJ-U&E) has completed the first phase of a detailed energy use submetering system that will be one of the largest such installations in the United ...
    • Turner, W. D.; Banks, K.; Athar, A.; Yazdani, B.; Zhu, Y.; Culp, C. (Texas A&M University (http://www.tamu.edu); Energy Systems Laboratory (http://esl.tamu.edu), 2001)
      Continuous Commissioning (CC) or HVAC system optimization is not only a valuable stand-alone energy saving measure for commercial buildings, but it is also an important escort solution to retrofit projects. Energy retrofit ...
    • Turner, W. D.; Liu, M. (Energy Systems Laboratory (http://esl.tamu.edu); Texas A&M University (http://www.tamu.edu), 2001)
      Chilled water thermal storage systems can reduce the electrical demand charge during the onpeak months. However, operational problems such as the inability to fully charge the system or premature discharge of the stored ...
    • Cromer, C. J. (Energy Systems Laboratory (http://esl.tamu.edu); Texas A&M University (http://www.tamu.edu), 2001)
      PolarShield is a polarized refrigerant compressor oil additive containing the a-olefin molecule which is a commonly used oil additive to reduce high pressure viscosity breakdown. The manufacturers of this air conditioner ...
    • Federspiel, C.; Lanning, S. D.; Li, H.; Auslander, D. M. (Energy Systems Laboratory (http://esl.tamu.edu); Texas A&M University (http://www.tamu.edu), 2001)
      This paper describes the development of new control logic for starting and stopping energy-intensive equipment in buildings such as staged air-conditioning units. The concept is to use pulse-width modulation (PWM) instead ...
    • Haberl, J. S.; Reeves, G.; Gillespie, K.; Claridge, D. E.; Cowan, J.; Culp, C.; Frazell, W.; Heinemeier, K.; Kromer, S.; Kummer, J.; Mazzucchi, R.; Reddy, A.; Schiller, S.; Sud, I.; Wolpert, J.; Wutka, T. (Energy Systems Laboratory (http://esl.tamu.edu); Texas A&M University (http://www.tamu.edu), 2001)
      ASHRAE has recently completed the development of Guideline 14 to fill a need for a standard set of energy (and demand) savings calculation procedures. Guideline 14 is intended to be a guideline that provides a minimum ...
    • Stetz, M.; Webster, L.; Bradford, J. (Energy Systems Laboratory (http://esl.tamu.edu); Texas A&M University (http://www.tamu.edu), 2001)
      Performance contractors (PC) often use stipulations for part or all of their measurement & verification (M&V) efforts. The value of stipulations are low cost and easy implementation (good). Disadvantages include uncertain savings ...
    • Heinemeier, K.; Koran, W. (Energy Systems Laboratory (http://esl.tamu.edu); Texas A&M University (http://www.tamu.edu), 2001)
      Internet-based monitoring services can play a very important role in reducing the energy consumed in commercial buildings. They can provide the information needed to identify improvements that should be made in the operation ...
    • Sreedhara, P.; Haves, P. (Energy Systems Laboratory (http://esl.tamu.edu); Texas A&M University (http://www.tamu.edu), 2001)
      Selecting the model is an important and essential step in model based fault detection and diagnosis (FDD). Factors that are considered in evaluating a model include accuracy, training data requirements, calibration effort, ...
    • Haberl, J. S.; Sreshthaputra, A.; Claridge, D. E.; Turner, W. D.; Harmon, K.; Kisselburgh, J.; Mase, R. (Energy Systems Laboratory (http://esl.tamu.edu); Texas A&M University (http://www.tamu.edu), 2001)
      Energy use indices for 27 government office buildings are presented that have been assembled from hourly monitored data as part of the Texas LoanSTAR program and other efforts at the Energy Systems Laboratory. These indices ...
    • Bryant, J. A.; Perez, R. (Energy Systems Laboratory (http://esl.tamu.edu); Texas A&M University (http://www.tamu.edu), 2001)
      The “Good Cents” program has been adopted by many cities across the United States and has encouraged builders to employ aggressive energy conservation building techniques in residential applications. The program is well ...
    • Baltazar-Cervantes, J. C.; Lim, C.; Haberl, J. S.; Turnder, W. D.; Claridge, D. E. (Energy Systems Laboratory (http://esl.tamu.edu); Texas A&M University (http://www.tamu.edu), 2001)
      This paper reports on the effort to develop load-forecasting procedures for the Texas A&M University System (TAMUS). Such procedures are being investigated to determine if the TAMUS can benefit from the pending deregulation ...