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Now showing items 21-30 of 237
A study of occupancy-based smart building controls in commercial buildings
(2020-12)
Occupant behavior has a significant influence on energy consumption in buildings because HVAC, lighting, equipment, and ventilation operations are often tied to occupancy- based controls. However, currently, the traditional ...
The Influence of Dust on the Absorptivity of Radiant Barriers
(1993-08)
The purpose of this project was to model and quantify the increase of the absorptivity of radiant barriers caused by the accumulation of dust on the surface of radiant barriers. This research was the continuation of a ...
Methodology to Develop and Test an Easy-To-Use Procedure for the Preliminary Selection of High-Performance Systems for Office Buildings in Hot and Humid Climates
(Energy Systems Laboratory (http://esl.eslwin.tamu.edu), 2009-08)
A procedure has been developed for the preliminary selection of high-performance
systems for office buildings in hot and humid climates. High-performance building
systems and components were surveyed for buildings in the ...
Development and Application of a Procedure to Estimate Overall Building and Ventilation Parameters from Monitored Commercial Building Energy Use
(1997-05)
This thesis proposes and validates a simplified model appropriate for parameter identification and evaluates several different inverse parameter identification schemes suitable for use when heating and cooling data from a ...
An Analysis of Energy Reductions from the Use of Daylighting in Low-Cost Housing
(Energy Systems Lab, 2003-08)
Development of a Transient Heat and Mass Transfer Model of Residential Attics to Predict Energy Savings Produced by the Use of Radiant Barriers
(Energy Systems Laboratory (http://esl.tamu.edu), 1992-12)
A transient heat and mass transfer model was developed to predict ceiling heat gain/loss through the attic space in residences and to accurately estimate savings in cooling and heating loads produced by the use of radiant ...
Numerical Modeling of the Transient Thermal Interference of Vertical U-Tube Haet Exchangers
(1994-12)
Non-linear finite element models were developed to simulate transient heat and mass transfer in the soil surrounding the ground heat exchangers of ground-coupled heat pumps (GCHPs) operating in the cooling mode. Parametric ...
A Study of Transient Behavior During Start-Up of Residential Heat Pumps
(1989-12)
An experimental and analytical study concerned with the transient performance of heat pumps is presented. A series of tests were performed to study and characterize the transient sensible and dehumidification performance ...
An Experimental Investigaton of the Effect of Oil on Convective Heat Trasfer and Pressure Drop of a HFC-32/HRC-125 Mixture
(1994-12)
The heat transfer coefficients and pressure drops of HCFC-22 and a 50% mass mixture of HFC-32/HFC-125 were experimentally measured under flow boiling conditions in a smooth tube. The refrigerants were flowed through an 8 ...
Analysis of Mass Flow and Enhanced Mass Flow Methods of Flashing Refrigerant-22 from a Small Vessel
(1994-12)
The mass flow characteristics of flashing Refrigerant-22 from a small vessel were investigated. A flash boiling apparatus was designed and built. It was modeled after the flashing process encountered by the accumulator of ...