Browsing ICEBO - International Conference for Enhanced Building Operations by Title

Now showing items 723-742 of 1002

    • Optimal Supply Angle of Upside Air Supply in Manned Spacecraft Cabin-Based Air Age 
      Liang, Z.; Zhang, J.; Lu, Y. (Energy Systems Laboratory (http://esl.tamu.edu); Texas A&M University (http://www.tamu.edu), 2006)
      The age of air in the workaround of a manned spacecraft cabin that contain astronauts, apparatus and simple living establishments was numerically simulated by use of commercial software and a standard k-e turbulence model. ...
    • Optimal Terminal Box Control for Single Duct Air-Handling Units 
      Cho, Y.; Vondal, J.; Wang, G.; Liu, M. (Energy Systems Laboratory (http://esl.tamu.edu); Texas A&M University (http://www.tamu.edu), 2006)
      Terminal boxes maintain room temperature by modulating supply air temperature and airflow in building HVAC systems. Terminal boxes with conventional control sequences often supply inadequate airflow to a conditioned space, ...
    • Optimal Well-Group Distribution of a Groundwater Source Heat Pump System 
      Liu, Z.; Lu, L.; Yoshida, H. (Energy Systems Laboratory (http://esl.tamu.edu); Texas A&M University (http://www.tamu.edu), 2006)
      It is critical to determine how the well group arranges for application of the GWSHP system. Based on the fact that water movement is the most important factor influencing heat transfer in an aquifer, this paper presents ...
    • Optimising the Fresh Air Economiser 
      Biship, R. (Energy Systems Laboratory (http://esl.tamu.edu); Texas A&M University (http://www.tamu.edu), 2013)
      This paper proposes using measurements of CO2 to infer the amount of Outside Air (OA) ventilation delivered to a space, either to diagnose over-ventilation, which can cause excess heating and cooling loads, or for ...
    • Optimization Control Strategy for an Air Handling Unit with Dedicated Rotary Desiccant Dehumidification Wheel in Hot and Humid Climate 
      Watt, J. (Energy Systems Laboratory (http://esl.tamu.edu); Texas A&M University (http://www.tamu.edu), 2013)
    • Optimization of a Chilled Water Plant Using a Forward Plant Model 
      Zhang, Z.; Turner, W. D.; Chen, Q.; Xu, C.; Deng, S. (Energy Systems Laboratory (http://esl.tamu.edu); Texas A&M University (http://www.tamu.edu), 2010)
      This paper introduces a forward chilled water plant model to optimize the setpoints of continuous controlled variables in a chiller plant without storage and controlled by supervisory control. It can also be used to estimate ...
    • Optimization of a Solar Chimney Design to Enhance Natural Ventilation in a Multi-Storey Office Building 
      Gontikaki, M.; Trcka, M.; Hensen, J.; Hoes, P. J. (Energy Systems Laboratory (http://esl.tamu.edu); Texas A&M University (http://www.tamu.edu), 2010)
      Natural ventilation of buildings can be achieved with solar-driven , buoyancy-induced airflow through a solar chimney channel. Research on solar chimneys has covered a wide range of topics, yet study of the integration in ...
    • Optimization of Chilled Water Flow and Its Distribution in Central Cooling System 
      Maheshwari, G. P.; Hajiah, A. E.; ElSherbini, A. I. (Energy Systems Laboratory (http://esl.tamu.edu); Texas A&M University (http://www.tamu.edu), 2007)
      This paper analyzes the impact of chilled water flow and its distribution on energy efficiency and comfort quality, using the results of a field study conducted for a central cooling production system during 2006 in Kuwait. ...
    • The Optimization of Control Parameters for VAV HVAC System Commissioning 
      Song, S.; Maehara, K.; Sagara, N. (Energy Systems Laboratory (http://esl.tamu.edu); Texas A&M University (http://www.tamu.edu), 2006)
      One of the technical subjects in commissioning for HVAC system is to enhance control performance and time efficiency, while the tuning of the optimal parameters to control HVAC system takes much time and labor in particular. ...
    • Optimization of Fault Detection/Diagnosis Model for Thermal Storage System Using AIC 
      Pan, S.; Zheng, M.; Nakahara, N. (Energy Systems Laboratory (http://esl.tamu.edu); Texas A&M University (http://www.tamu.edu), 2006)
      The authors simulated the human ability of pattern recognition mathematically, through finding the state-change characteristics of the objective system from actual measurements using statistical analytical tech-niques. The ...
    • Optimization of Ice Thermal Storage Systems Design for HVAC Systems 
      Nassif, N.; Hall, C.; Freelnad, D. (Energy Systems Laboratory (http://esl.tamu.edu); Texas A&M University (http://www.tamu.edu), 2013)
      Ice thermal storage is promising technology to reduce energy costs by shifting the cooling cost from on-peak to off-peak periods. The paper discusses the optimal design of ice thermal storage and its impact on energy ...
    • Optimization of the Fin Heat Pipe for Ventilating and Air Conditioning with a Genetic Algorithm 
      Qian, J.; Sun, D.; Li, G. (Energy Systems Laboratory (http://esl.tamu.edu); Texas A&M University (http://www.tamu.edu), 2006)
      This paper illustrates that use of a heat pipe as a heat-reclaiming device can significantly influence the air-conditioning system. It analyzes the heat transfer model of the uniform annular fin heat pipe under the condition ...
    • Optimization of the Heating System Operation 
      Xu, W.; Mao, S. (Energy Systems Laboratory (http://esl.tamu.edu); Texas A&M University (http://www.tamu.edu), 2006)
      A new regulation method of the heating system is presented, which is based on the variation of outdoor temperature, to improve the economical efficiency and the timing regulation of the heating system. A function is put ...
    • The Optimizing Control and Energy Saving Operations of One Teaching Building 
      Lu, J.; Chen, Y.; Chen, J. (Energy Systems Laboratory (http://esl.tamu.edu); Texas A&M University (http://www.tamu.edu), 2006)
      The control system of the central air conditioning in one teaching building is optimized in this paper, which includes the rational controls of a water chilling unit's available machine time and down- time in advance, the ...
    • Optimizing HVAC Control to Improve Building Comfort and Energy Performance 
      Song, L.; Joo, I.; Dong, D.; Liu, M.; Wang, J.; Hansen, K.; Quiroz, L.; Swiatek, A. (Energy Systems Laboratory (http://esl.tamu.edu); Texas A&M University (http://www.tamu.edu), 2003)
      This paper demonstrates the benefits of optimal control in well-designed and operated buildings using a case study. The case study building was built in 2001. The HVAC and control systems have been installed with ...
    • Optimizing the Low Temperature Cooling Energy Supply: Experimental Performance of an Absorption Chiller, a Compression Refrigeration Machine and Direct Cooling - a Comparison 
      Uhrhan, S.; Gerber, A. (Energy Systems Laboratory (http://esl.tamu.edu); Texas A&M University (http://www.tamu.edu), 2012)
      A strategy to optimize the low temperature cooling energy supply of a newly build office building is discussed against the background of a changing energy system. It is focused on, what production way - Direct Cooling, the ...
    • An Overview of Particulate Matter and its Cost-efficient Evaluation 
      Zhang, F.; Zhang, G.; Zhang, Q. (Energy Systems Laboratory (http://esl.tamu.edu); Texas A&M University (http://www.tamu.edu), 2006)
      Ambient particulate matter (PM) is a complex mixture of sizes and types of particles. Exposure to airborne particulate matter adversely affects human health. In this paper, sources of particles are summarized, and ...
    • Overview of PIER-Funded Existing Building Commissioning and Diagnostics Research 
      Jenkins, N.; Brook, M. (Energy Systems Laboratory (http://esl.tamu.edu); Texas A&M University (http://www.tamu.edu), 2003)
      The California Energy Commission's Public Interest Energy Research (PIER) Program supports research and development that helps improve the quality of life in California by bringing environmentally safe, affordable, and ...
    • An Overview of Proportional plus Integral plus Derivative Control and Suggestions for Its Successful Application and Implementation 
      Sellers, D. (Energy Systems Laboratory (http://esl.tamu.edu); Texas A&M University (http://www.tamu.edu), 2001)
      PID control loops are becoming quite common in the commercial, institutional, and industrial HVAC industry. Proper application and tuning of this control algorithm can bring many efficiency and performance benefits with ...
    • Overview of the CCC Retrocommissioning Toolkit 
      Friedman, H. (Energy Systems Laboratory (http://esl.tamu.edu); Texas A&M University (http://www.tamu.edu), 2007)