Browsing by Author "Fisher, Daniel E."
Now showing items 21-32 of 32
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Generalized Flame Temperature and Species Calculations Using Excel/VBA
Olinger, David Simon (2004-12-01) -
Improvements in Design Procedures for Ground Source and Hybrid Ground Source Heat Pump Systems
Cullin, James R. (Oklahoma State University, 2008-12-01)This study focuses on improvements made in design procedures for ground source and hybrid ground source heat pump systems. Revisions were made to a ground source heat pump system design tool that allow for more accurate ... -
Improvements to the radiant time series method cooling load calculation procedure
Nigusse, Bereket Asgedom (2007-12)Scope and Method of Study: The objective of the study was improvement of the Radiant Time Series Method (RTSM) cooling load calculation procedure. A series of investigations were carried out, including: improvements to ... -
Imulation and Validation of Hybrid Ground Source and Water-loop Heat Pump Systems
Gentry, Jason Earl (Oklahoma State University, 2007-05-01)This study focused first on the simulation and validation of hybrid ground source heat pump (HGSHP) systems. Validation of such systems is previously unreported in literature. The simulation was done using HVACSim+. ... -
Inter-model, analytical, and experimental validation of a heat balance based residential cooling load calculation procedure
Xiao, Dongyi (2006-12)Scope and Method of Study: A systematic validation of the ASHRAE heat balance based residential cooling load calculation procedure (RHB) has been performed with inter-model comparison, analytical verification and experimental ... -
Measurements of Frost Growth on Louvered Folded Fins of Microchannel Heat Exchangers
Hong, Tommy (Oklahoma State University, 2011-12-01)Microhannel heat exchangers with louvered folded fins are subjected to frequent frost and defrost cycles when used in outdoor evaporator coils of air-source heat pump systems. Despite their potential for heat transfer ... -
Oil retention and its effects on pressure drop and heat transfer in microchannel heat exchangers of air conditioning and refrigeration system
Yatim, Ardiyansyah Saad (2015-07)In vapor compression, a small portion of the compressor oil circulates with the refrigerant through the cycle components, while most of the oil stays in the compressor. The presence of oil increases the pressure losses and ... -
Optical and thermal fenestration models for building cooling load calculations
Chantrasrisalai, Chanvit (2007-05)Scope and Method of Study: The objective of this study was to enhance the modeling of fenestration systems containing shading devices for building thermal load and energy calculations. The focus was on the simulation of ... -
Performance of the Hvac Systems at the Ashrae Headquarters Building
Southard, Laura (Oklahoma State University, 2014-12-01)When the ASHRAE headquarters building in Atlanta, Georgia was renovated in 2008, it incorporated three separate HVAC systems - a variable refrigerant flow (VRF) system, a ground source heat pump (GSHP) system, and a dedicated ... -
Preliminary Investigation Of Fouling In Brazed Plate Heat Exchangers
Lim, Ellisa (Oklahoma State University, 2010-07-01)This thesis reports a preliminary investigation of combined particulate and precipitation fouling on the water-side of brazed plate heat exchangers (BPHE) used as water-cooled condensers. An experimental facility to study ... -
Simulation and optimal control of hybrid ground source heat pump systems
Xu, Xiaowei (2007-12)Scope and Method of Study: The objective of the study was development of optimal control strategies for hybrid ground-source heat pump (HGSHP) systems in order to improve the performance of HGSHP systems. The investigations ... -
Simulation of Lakes and Surface Water Heat Exchangers for Design of Surface Water Heat Pump Systems
Conjeevaram Bashyam, Krishna (Oklahoma State University, 2013-05-01)Surface Water Heat Pump (SWHP) system utilize surface water bodies, such as ponds, lakes, rivers, and the sea, as heat sources and/or sinks. These systems may be open-loop, circulating water between the surface water body ...