Browsing by Author "Vaghetto, Rodolfo"
Now showing items 21-40 of 59
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Seo, Joseph (2021-12-10)The convective boiling heat transfer of annular flow in concentric and eccentric annuli was investigated experimentally using a central heating rod in an unheated tube. Advanced measurement techniques—laser-induced ...
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Yang, Se Ro (2019-04-25)Thermal hydraulics in nuclear engineering including multifluid, multiphase flow phenomena is indispensable because it is the most crucial mechanism of energy transfer in the current conventional nuclear plants, and it also ...
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Lee, Kimoon (2019-05-27)The objective of this study is to conduct the experiments in the steam-water direct contact condensation and to investigate on the heat transfer characteristic such as the heat transfer coefficient, the pool temperature ...
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Kim, Daegeun (2022-06-21)An experimental investigation was conducted on the hydraulic characteristics of annular type wick structures for heat pipes. An experimental facility that can measure porosity, permeability and effective pore radius of the ...
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Menezes, Craig Ivan Yolanda (2022-12-01)Hexagonal rod bundles arranged in a tightly packed triangular lattice are the subject of extensive investigation for their applications related to energy conversion. Liquid metal fast reactors (LMFRs) and gas-cooled fast ...
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Alwafi, Anas Mohammed F (2021-03-29)The High Temperature Gas-cooled Reactor (HTGR) is one of the promising reactors in the Generation IV nuclear reactors. In this research, experimental measurements were done at 1/16th scaled upper plenum of a HTGR that was ...
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Vaghetto, Rodolfo (2012-07-16)An experimental activity was performed to observe and study the effects of graphite dispersion and deposition on thermal hydraulic phenomena in a Reactor Cavity Cooling System (RCCS). The small scale RCCS experimental ...
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Delgado, Marilyn (2021-04-06)The helical coil heat exchanger (HCHX) is a geometrically complex tube and shell heat exchanger design that is preferred over straight tube bundles due to its increase in heat transfer efficiency, compact design, and thermal ...
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Headley, William Milija (2021-12-10)As we push towards a reduction of carbon emissions without sacrificing reliability and safety, advanced applications of molten-salt technology are currently being considered for use. Many previous studies have focused on ...
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Chavez, Denise Erin (2020-07-28)A very high-temperature, test facility was designed and constructed at the Thermal-Hydraulic Research Laboratory of Texas A&M University (TAMU) to conduct two-phase flow visualization experiments in molten salt. A ...
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Childs, Mason Paul (2019-04-09)One of the most commonly used methods for quantifying fluid velocity profiles is particle image velocimetry (PIV). This non-invasive measurement technique employs seeding particles in a transparent simulant fluid flowing ...
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Lancaster, Blain Ryan (2021-04-21)The high temperatures and corrosive environment created by molten salts pose challenges to both traditional and advanced measurement techniques. Experimental measurements of thermal-hydraulic parameters in these environments ...
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Delgado, Marilyn Irene (2018-05-02)The helical coil steam generator is a type of tube and shell heat exchanger that is proposed for many small modular and Gen IV reactor designs. It is favored due to the higher heat transfer it provides compared to traditional ...
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Crook, Timothy Michael (2017-05-10)During the initial stage of a Loss of Coolant Accident (LOCA), known as the blowdown phase, the high-temperature and pressure break flow can impinge on thermal insulation and generate a substantial amount of debris in ...
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Krueger, Aaron Martin (2020-10-13)Current interest in verification, validation, and uncertainty quantification (VVUQ) has increased substantially over the past 30 years with increased awareness of potential inaccuracies of numerical simulations. This ...
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Shin, Byunggeun (2023-07-20)This study provides a comprehensive understanding of pressure drop characteristics across 5x5 nuclear fuel rod bundles under various flow rates and system pressures in nuclear reactor systems. Primarily, the isothermal ...
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Pehlivan, Mustafa (2021-06-03)The Reactor Cavity Cooling System (RCCS) is a passive safety system that is considered in the design of different advanced reactors. The RCCS operates during both normal and off-normal conditions as an important heat removal ...
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Menezes, Craig Ivan Yolanda (2019-11-21)Pressurized water reactors employ rod bundles to generate thermal power via nuclear fission – which is extracted using water as the process fluid. Along the length of the rod arrangement, spacer grids are installed to ...
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Marciniak, MateuszNew and improved thermal hydraulic data is essential for ensuring safe operation for Pressurized Water Reactors (PWR). Excessive fission product buildup on fuel rods produces uneven subcooling during operation which poses ...
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Yildiz, Mustafa A (2017-12-10)Depressurized Loss of Forced Cooling (DLOFC) accident is an important type of accident scenario in High Temperature Gas-Cooled Reactor (HTGR) design which is initiated by a break in Helium Pressure Boundary (HPB). This ...