Index Catalog // ScholarsArchive@OSU

Thermodynamic analysis of geothermal energy systems with forced recovery from aquifers

Creator:: Lee, Se Kyoun
Abstract:: A thermodynamic analysis of forced geoheat recovery from aquifers has been accomplished. The system investigated consists of a single recharging-discharging well pair, in a horizontally extensive aquifer, with either power generation or space heating as surface applications. The space heating systems investigated are (i)direct heating, (ii)heat pumps and (iii)a combination...
Resource Type:: Dissertation
Full Text:: GEOTHERMAL ENERGY SYSTEMS WITH FORCED RECOVERY FROM AQUIFERS Abstract approved: Redacted for Privacy Gordon

Modelling and flow measurement of shallow geothermal systems with downhole heat exchangers

Creator:: Miles, Charles Ray
Abstract:: The low temperature geothermal deposits in the Klamath Falls area are commonly used for heating buildings. The system often used to accomplish this consists of a heat exchanger that extends the full length of the casing within the well. This casing has slots cut in it to allow geothermal water...
Resource Type:: Masters Thesis
Full Text:: approved: Dr. Gordon M. Reistad The low temperature geothermal deposits in the Klamath Falls area are

Computer simulation and evaluation of solar cooling systems with hot and cold storage options

Creator:: Krishna, Sudhir S.
Abstract:: In this thesis, computer simulation and evaluation of solar cooling systems are presented. The simulations were conducted using the TRNSYS program, developed at the University of Wisconsin. The TRNSYS program was modified by the addition of new models for the solar collector with high fluid thermal capacity, the absorption cooler,...
Resource Type:: Masters Thesis
Full Text:: : Redacted for Privacy Dr. Gordon M. Reistad In this thesis, computer simulation and evaluation of solar

Thermal energy recovery from large transformers

Creator:: Yao, Barry
Abstract:: This thesis is concerned with designing and simulating waste energy retrieval systems from large transformers to provide heating and cooling of a control house. The transformer selected is Transformer Bank One at the Ross Substation in the BPA system. The unit is an ASEA 250 MVA transformer with forced oil,...
Resource Type:: Masters Thesis
Full Text:: from Large Transformers Abstract approved: Redacted for Privacy Dr. Gordon M. Reistad This thesis is

Analysis of ice formation with flow reversal for application to an ice-maker heat pump

Creator:: Aceves, Salvador M.
Abstract:: The problems of freezing and melting present special mathematical complexity and, except for the most elementary one-dimensional cases, require a numerical solution. However, these problems have a growing importance in engineering problems because of their application to metallurgical operations, food preservation, heating and air conditioning, etc. In the present work,...
Resource Type:: Masters Thesis
Full Text:: -Maker Heat Pump Abstract Approved: Redacted for Privacy Gordon M. Reistad The problems of freezing and

Simulaton of a solar heating and cooling system with experimental evaluation

Creator:: Layton, William Clifford
Abstract:: This thesis is concerned with simulating two forms of energy retrieval. Standard computer programs are routinely used to simulate such energy systems. However, the accuracy of these simulations is not well documented. The main objective of the work presented here is to evaluate the validity of this type of simulation...
Resource Type:: Masters Thesis
Full Text:: Cooling System with Experimental Evaluation Abstract approved: Redacted for privacy Dr. Gordon M

Analysis of heat pump coupled aquifer seasonal thermal energy storage systems

Creator:: McMahon, William R.
Resource Type:: Masters Thesis
Full Text:: AQUIFER SEASONAL THERMAL ENERGY STORAGE SYSTEMS Abstract Approved: Redacted for Privacy Gordon M

Experimental investigation of natural convection from an array of uniformly heated horizontal cylinders to mercury

Creator:: Wang, Deing
Abstract:: An experimental investigation was conducted to better understand the heat transfer process with natural convection from an array of uniformly heated horizontal cylinders to mercury. Five assembly geometries were studied, these being the single horizontal cylinder, two cylinders with spacing ratios S/D = 2,3 and 4, (S represents the center-to-center...
Resource Type:: Dissertation
Full Text:: (using probe 1 and probe 2 plus T, -T3 which is calc.l) 66 SYMBOLS English Letter Symbols: A area

Use of the exergy concept for design improvement of heat exchangers and heat exchanger networks

Creator:: Ranasinghe, Jatila
Abstract:: The second law of thermodynamics, through the exergy concept, allows us to quantify and rationally cost the consumption of exergy (irreversibility) used to drive the heat exchange process and the effluent losses of exergy in a heat exchanger For systems with a network of heat exchangers, the exergy concept recognizes...
Resource Type:: Dissertation
Full Text:: Abstract approved: Prof. Gordon M. Reistad The second law of thermodynamics, through the exergy concept

Geothermal well downhole heat exchanger design analysis

Creator:: Kreitlow, David Brian
Abstract:: The low temperature geothermal resource at Klamath Falls, Oregon is widely used for heating buildings. A common technique for using this resource consists of a heat exchanger down in the well inside a casing which extends the full length of the well. Slots are cut in the casing to allow...
Resource Type:: Masters Thesis
Full Text:: Analysis Abstract approved: Redacted for Privacy Ur. Gordon M. Reistad The low temperature geothermal

ScholarsArchive@OSU

Thermodynamic analysis of geothermal energy systems with forced recovery from aquifers

Modelling and flow measurement of shallow geothermal systems with downhole heat exchangers

Computer simulation and evaluation of solar cooling systems with hot and cold storage options

Thermal energy recovery from large transformers

Analysis of ice formation with flow reversal for application to an ice-maker heat pump

Simulaton of a solar heating and cooling system with experimental evaluation

Analysis of heat pump coupled aquifer seasonal thermal energy storage systems

Experimental investigation of natural convection from an array of uniformly heated horizontal cylinders to mercury

Use of the exergy concept for design improvement of heat exchangers and heat exchanger networks

Geothermal well downhole heat exchanger design analysis

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