Browsing by Author "O'Neal, D. L."

Now showing items 21-40 of 55

    • An Energy and Peak Loads Analysis of the TYC/TRC Building – Final Report 
      Katipamula, S.; O'Neal, D. L. (Energy Systems Laboratory (http://esl.tamu.edu), Texas A&M University; Department of Mechanical Engineering, Texas A&M University, 1987)
      The energy use of the Texas Youth Commission/Texas Rehabilitation Commission (TYC/TRC) Building at Austin, Texas, was analyzed using the DOE 2.IB building energy simulation program. An analysis was made for the building ...
    • Energy Management Degree Specialization at Texas A&M University 
      Murphy, W. E.; O'Neal, D. L.; Heffington, W. M.; Turner, W. D.; Somasundaram, S.; Holmes, R. E. (Energy Systems Laboratory (http://esl.tamu.edu), 1984-04)
      The Department of Mechanical Engineering at Texas A&M offers unique degree programs with a specialization in energy management. The most popular of the degree offered is a professional degree, the Master of Engineering, ...
    • Energy Systems Group Annual Report 
      Anand, N. K.; Caton, J.; Heffington, W. M.; O'Neal, D. L.; Somasundaram, S.; Turner, W. D. (Energy Systems Laboratory (http://esl.tamu.edu), Texas A&M University; Department of Mechanical Engineering, Texas A&M University, 1986)
    • Energy Use and Design Options for Texas State Buildings 
      Katipamula, S.; O'Neal, D. L. (Energy Systems Laboratory (http://esl.tamu.edu), Texas A&M University; Department of Mechanical Engineering, Texas A&M University, 1988)
      In 1984, the Office of Governor in the State of Texas, working through the Energy Efficiency Division of the Public Utility Commission, instituted a program to reduce the energy costs in state owned buildings. One facet ...
    • An Evaluation of Improper Refrigerant Charge on the Performance of a Split System Air Conditioner with a Thermal Expansion Valve 
      Farzad, M.; O'Neal, D. L. (Energy Systems Laboratory (http://esl.tamu.edu), Texas A&M University; Department of Mechanical Engineering, Texas A&M University, 1989)
      The effect of the improper charging on steady state and cyclic performance (capacity, EER, power consumption, SEER, and coefficient of degradation) of a residential air conditioner which utilized a thermal expansion ...
    • An Evaluation of Improper Refrigerant Charge on the Performance of a Split System Air Conditioner with Capillary Tube Expansion 
      Farzad, M.; O'Neal, D. L. (Energy Systems Laboratory (http://esl.tamu.edu), Texas A&M University; Department of Mechanical Engineering, Texas A&M University, 1988)
      The effect of the improper charging on the performance (capacity, EER, power consumption, SEER, and coefficient of degradation) of a residential air conditioner during the steady state (wet and dry coils) and cycling ...
    • An Evaluation of Steady-State Dehumidification Characteristics of Residential Central Air Conditioners, Final Report 
      O'Neal, D. L.; Chan, N.; Somasundaram, S.; Katipamula, S. (Energy Systems Laboratory (http://esl.tamu.edu), Texas A&M University; Department of Mechanical Engineering, Texas A&M University, 1987)
      This report is the first of two reports on the project "Determination of the Transient Response Characteristics of High Efficiency Commercial Air Conditioners" funded by Houston Lighting and Power Company. The purpose ...
    • An Evaluation of the Effects of Refrigerant Charge on a Residential Central Air Conditioner with Orifice Expansion 
      O'Neal, D. L.; Ramsey, C. J.; Farzad, M. (Energy Systems Laboratory (http://esl.tamu.edu), Texas A&M University; Department of Mechanical Engineering, Texas A&M University, 1989)
      Recent studies have been conducted at Texas A & M University to quantify the effect of over/undercharging on the performance of a residential central air conditioner with two different expansion devices: capillary tubes ...
    • Field Performance of a Ground-Coupled Heat Pump in Abilene, Texas 
      Dobson, M.; O'Neal, D. L.; Aldred, W.; Margo, R. (Energy Systems Laboratory (http://esl.tamu.edu); Texas A&M University (http://www.tamu.edu), 1994)
      A nominal 10.6 kW (3 ton), vertical-configuration ground-coupled heat pump was installed in Abilene, Texas in December 1989 and was monitored until May 1993 using a remote data acquisition system. The unit was installed ...
    • Freeze/thaw characteristics of room temperature heat pipes-incorporating thermal history effects and non-condensible gas charging 
      Ochterbeck, Jay Matthew (Texas A&M University. Libraries, 1993)
      The freeze/thaw characteristics of room temperature heat pipes have been investigated experimentally and analytically to determine the effects of non-condensible gas loading and thermal history. Experimentally, the freeze/thaw ...
    • The Impact of Residential Air Conditioner Charging and Sizing on Peak Electrical Demand 
      Neal, L.; O'Neal, D. L. (Energy Systems Laboratory (http://esl.eslwin.tamu.edu), 1992-05)
      Electric utilities have had a number of air conditioner rebate and maintenance programs for many years. The purpose of these programs was to improve the efficiency of the stock of air conditioning equipment and provide ...
    • Influence of Infrared Radiation on Attic Heat Transfer 
      Katipamula, S.; Turner, W. D.; Murphy, W. E.; O'Neal, D. L. (Energy Systems Laboratory (http://esl.tamu.edu); Texas A&M University (http://www.tamu.edu), 1985)
      An experimental study concerned with different modes of heal transfer in fibrous and cellulose insulating material is presented. A series of experiments were conducted using an attic simulator to determine the effects of ...
    • Instrumenting Buildings to Determine Retrofit Savings: Murphy's Law Strikes Again 
      O'Neal, D. L.; Bryant, J.; Carlson, K. (Energy Systems Laboratory (http://esl.tamu.edu); Texas A&M University (http://www.tamu.edu), 1998)
      Experiences with instrumentation, installation and maintenance of building energy metering systems are presented. The building energy metering was installed in a variety of locations in programs handled by the Energy Systems ...
    • LoanSTAR after 11 Years: A Report on the Successes and Lessons Learned from the LoanSTAR Program 
      Haberl, J. S.; Turner, W. D.; Claridge, D. E.; O'Neal, D. L.; Heffington, W. M.; Bryant, J.; Verdict, M.; Liu, Z.; Visitsak, S. (Energy Systems Laboratory (http://esl.tamu.edu), Texas A&M University, 2002)
      The Texas LoanSTAR (Loans to Save Taxes And Resources) Program was established in 1988 by the Texas Governor’s Energy Office (GEO) as a revolving loan program for funding energy conserving retrofits in state and local ...
    • Measuring Energy-Saving Retrofits: Experiences from the LoanSTAR Program 
      Claridge, D. E.; Heffington, W. M.; O'Neal, D. L.; Turner, W. D.; Haberl, J. S.; Reddy, T. A. (2005-09-27)
      In 1988 the Governor's Energy Management Center of Texas received approval from the U.S. Department of Energy to establish a $98.6 million state-wide retrofit demonstration revolving loan program to fund energy-conserving ...
    • Metering and Calibration in LoanSTAR Buildings 
      O'Neal, D. L.; Bryant, J. A.; Turner, W. D.; Glass, M. G. (Energy Systems Laboratory (http://esl.tamu.edu); Texas A&M University (http://www.tamu.edu), 1990)
      End-use metering in commercial buildings often requires installation of a large variety of transducers and data loggers. The metering installation group in the LoanSTAR monitoring program has the primary responsibility for ...
    • Modeling the effects of refrigerant charging on air conditioner performance characteristics for three expansion devices 
      Farzad, Mohsen (Texas A&M University. Libraries, 1990)
      An experimental and analytical study concerned with the off-design refrigerant charging of air conditioners is presented. A series of experiments were conducted to characterize the effects of refrigerant charge and type ...
    • A Modified Analytical Method for Simulating Cyclic Operation of Vertical U-Tube Ground-Coupled Heat Pumps 
      Dobson, M. K.; O'Neal, D. L.; Aldred, W. (Energy Systems Laboratory (http://esl.tamu.edu), Texas A&M University; Department of Mechanical Engineering, Texas A&M University, 1994)
      A modified analytical model is presented which discretizes the ground-coupled heat exchanger of a ground-coupled heat pump and utilized a separate cylindrical source solution for each element. First law expressions are ...
    • Monitoring the Performance of a Residential Central Air Conditioner under Degraded Conditions on a Test Bench 
      Palani, M.; O'Neal, D. L.; Haberl, J. S. (Energy Systems Laboratory (http://esl.tamu.edu), Texas A&M University; Department of Mechanical Engineering, Texas A&M University, 1992)
      This report presents the measured degradation in performance of a residential air conditioning system operating under degraded conditions. Experiments were conducted using a R-22 threeton split-type cooling system with ...
    • Policy Recommendations for Establishing the LoneSTAR Monitoring and Analysis Program 
      Claridge, D. E.; O'Neal, D. L.; Turner, W. D. (Energy Systems Laboratory (http://esl.tamu.edu), Texas A&M University; Department of Mechanical Engineering, Texas A&M University, 1989)
      The major objectives of the Monitoring and Analysis Program (MAP) should be to: Verify energy and dollar savings of the retrofits; Reduce energy costs by identifying operational and maintenance improvements at facilities ...