Relevant bibliographies by topics / Bundle of tubes

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Bundle of tubes'

Author: Grafiati
Published: 7 July 2024
Last updated: 31 July 2025

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Journal articles on the topic "Bundle of tubes"

1

Honda, H., B. Uchima, S. Nozu, E. Torigoe, and S. Imai. "Film Condensation of R-113 on Staggered Bundles of Horizontal Finned Tubes." Journal of Heat Transfer 114, no. 2 (1992): 442–49. http://dx.doi.org/10.1115/1.2911293.

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Film condensation of R-113 on staggered bundles of horizontal finned tubes with vertical vapor downflow was experimentally investigated. Two tubes with flat-sided annular fins and four tubes with three-dimensional fins were tested. The condensate flow and heat transfer characteristics were compared with the previous results for in-line bundles of the same test tubes and a staggered bundle of smooth tubes. The decrease in heat transfer due to condensate inundation was most significant for the in-line bundles of the three-dimensional fin tubes, whereas the decrease was very slow for both the sta
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Deeb, Rawad. "Effect of angle of attack on heat transfer and hydrodynamic characteristics for staggered drop-shaped tubes bundle in cross-flow." Proceedings of the Russian higher school Academy of sciences, no. 3 (December 18, 2020): 21–36. http://dx.doi.org/10.17212/1727-2769-2020-3-21-36.

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Tube bundles can be used as a separation heat exchanger in the organic Rankine cycle power plants (ORC), while the hot gas passes over the outer surface, and the working substance ORC flows inside the tubes. A numerical study has been conducted to clarify heat transfer and hydrodynamics of a cross-flow heat exchanger with staggered drop-shaped tubes at different flow angles of attack in comparison with circular tubes of the same equivalent diameter. The study was performed for the Reynolds number Re= 1.8  103 ~ 9.4  103, the longitudinal and transverse spacing of the tubes in the bundle are
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Chan, A. M. C., and M. Shoukri. "Boiling Characteristics of Small Multitube Bundles." Journal of Heat Transfer 109, no. 3 (1987): 753–60. http://dx.doi.org/10.1115/1.3248154.

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Boiling characteristics of multitube bundles have been investigated experimentally. Small bundles of up to nine rows were used. Void fraction profiles in the test vessel, tube surface temperatures, power input to individual tubes, and critical heat fluxes were measured for different bundle arrangements and boiling conditions. The data were used to study the system hydrodynamics, bundle heat transfer coefficients, and bundle critical heat flux. The data showed that for lower heat fluxes, the heat transfer characteristics are affected by the system hydrodynamics resulting in higher heat transfer
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Honda, H., B. Uchima, S. Nozu, H. Nakata, and E. Torigoe. "Film Condensation of R-113 on In-Line Bundles of Horizontal Finned Tubes." Journal of Heat Transfer 113, no. 2 (1991): 479–86. http://dx.doi.org/10.1115/1.2910586.

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Film condensation of R-113 on in-line bundles of horizontal finned tubes with vertical vapor downflow was experimentally investigated. Two tubes with flat-sided annular fins and four tubes with three-dimensional fins were tested. The test sections were 3×15 tube bundles with and without two rows of inundation tubes at the top. Heat transfer measurements were carried out on a row-by-row basis. The heat transfer enhancement due to vapor shear was much less for a finned tube bundle than for a smooth tube bundle. The decrease in heat transfer due to condensate inundation was more marked for a thre
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Deeb, Rawad. "Flow and heat transfer characteristics of staggered mixed circular and drop-shaped tube bundle." Physics of Fluids 34, no. 6 (2022): 065126. http://dx.doi.org/10.1063/5.0090732.

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The purpose of this study is to clarify heat transfer and fluid flow behavior across six-row mixed tube bundles. The tube bundle consists of circular and drop-shaped cross sections in a staggered arrangement. The Reynolds number Re for the flow is varied from 1.78 × 103 to 18.72 × 103. Six cases of the mixed tube bundle were considered. The results of the mixed tube bundles were compared with those of the circular (case I) and drop-shaped ones (case II). The Ansys Fluent software package was utilized to predict the flow pattern over the tube bundles. The results of the numerical simulation sho
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Blevins, R. D., and M. M. Bressler. "Acoustic Resonance in Heat Exchanger Tube Bundles—Part I: Physical Nature of the Phenomenon." Journal of Pressure Vessel Technology 109, no. 3 (1987): 275–81. http://dx.doi.org/10.1115/1.3264863.

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The intense acoustic resonance resulting from gas flow across a bank of heat exchanger tubes in a duct has been investigated experimentally and theoretically. At low gas velocities, the acoustic tone emanating from tube bundles increases in proportion to the flow velocity. When the frequency approaches a bound acoustic transverse mode of the tube bundle, intense sound can result. Sound levels as high as 173 db were measured within the bundle. During resonance, the sound correlates vortex shedding from the tubes and the pressure drop increases in some bundles.
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Wu, Zhiwei, and Caifu Qian. "Study on Behavior of the Heat Exchanger with Conically-Corrugated Tubes and HDD Baffles." ChemEngineering 6, no. 1 (2022): 1. http://dx.doi.org/10.3390/chemengineering6010001.

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Baffles with holes in different diameters (or HDD baffles) and conically-corrugated tubes are respectively longitudinal flow baffle and high-efficiency heat exchange tubes proposed by the author. In this paper, vibrations of tube bundles with HDD baffles and fluid flow as well as heat transfer inside conically-corrugated tubes were numerically simulated, and the heat exchanger with conically-corrugated tubes and HDD baffles was tested for the heat transfer efficiency. It is found that compared with the traditional segmental baffles, tube bundle vibrations in heat exchangers, if using the HDD b
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Ivanov, S., and N. Pivovarenko. "NESTING OF THE RESIN BEE MEGACHILE (CALLOMEGACHILE) SCULPTURALIS SMITH, 1853 (HYMENOPTERA, APOIDEA, MEGACHILIDAE) IN FABRE HIVES. CHOISE OF A CAVITY FOR THE NEST." Ekosistemy, no. 39 (December 24, 2024): 155–66. https://doi.org/10.29039/2413-1733-2024-39-155-166.

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The article presents the results of an experimental study of the behavior of the resin bee Megachile sculpturalis Smith, 1853 inhabiting Fabre hives. The hives provided to the bees for colonization were made of segments of reed stalks (Phragmites australis) in the form of tubes, open on one side and closed on the other. The tubes were tied into bundles and inserted into the front wall of the hive or fixed to its sides. In addition, separate tubes were inserted into the front wall of the hive at different distances from each other. Female bees preferred to colonize tubes located on the front wa
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Choe, Yong Chol, Un Chol Han, and Jong Min Kim. "Influence of Initiation Modes in the Bundle-Series Initiation of a Large Number of Shock Tubes by Detonators." Shock and Vibration 2023 (June 20, 2023): 1–11. http://dx.doi.org/10.1155/2023/9915373.

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The bundle-series initiation is currently used as the method for simultaneously transmitting blast signals from a detonator to a large number of shock tubes for blasting using shock tubes and its initiation modes affect the ability and probability of signal transmission. A numerical study of the influence of initiation modes on the pressure impulse generated by detonators and transmitted to a large number of shock tubes has been undertaken with ANSYS AUTODYN code and validated through experimental results of signal transmission probability of shock tubes. Numerical simulations and experiments
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Ai, Shiqin, Chao Sun, Yuechan Liu, and Yuelin Li. "Numerical Simulation of Flow-Induced Vibration of Three-Dimensional Elastic Heat Exchanger Tube Bundle Based on Fluid-Structure Coupling." Shock and Vibration 2022 (January 12, 2022): 1–17. http://dx.doi.org/10.1155/2022/8980562.

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The reliability of the heat exchanger tube bundle not only affects the economic efficiency of production but also relates to the normal development of production safety and health. To study the flow-induced vibration of tube bundles, a three-dimensional finite element model of heat exchange tubes and watersheds inside and outside the tubes was established to explore the flow-induced vibration characteristics of tube bundles and analyze the natural frequencies of single-span and multispan heat exchange tubes. Considering the randomness of the effective support between the tube bundle and the su
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Dissertations / Theses on the topic "Bundle of tubes"

1

Mazzone, Robert Walter. "Enhanced condensation of R-113 on a small bundle of horizontal tubes." Thesis, Monterey, California. Naval Postgraduate School, 1991. http://hdl.handle.net/10945/43769.

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Condensation of r-113 was studied using an evaporator condenser test platform. the condenser section contained four horizontal tubes (nominal outer diameter 15.9 mm)forming a vertical in line column with a pitch-to-diameter ratio of 2.25 and a condensing length of 1.2 m. the condenser tubes could be operated either individually (ie. as a single tube apparatus) or as a small tube bundle. this allowed investigation of the effects of condensate inundation on different types of condenser tubes. tubes tested were smooth copper tubes, copper/nickel korodense roped tubes, korodense tubes wrapped with
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Mabrey, Burlin Davis. "Condensation of refrigerants on small tube bundles." Thesis, Monterey, California. Naval Postgraduate School, 1988. http://hdl.handle.net/10945/22984.

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Approved for public release; distribution is unlimited<br>The construction of an apparatus for the condensation performance testing of a horizontal bundle of four tubes with various refrigerants was completed. The apparatus was instrumented, and data reduction software was developed to provide bundle and single tube condensation data. Two tube bundles were tested, smooth copper tubes and low integral-fin copper-nickel tubes, with two refrigerants, R-114 and R-113. An enhancement ratio of about 2.0 for the overall heat transfer coefficient was demonstrated for the finned tubes over the smooth
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Beech, Philip Michael. "Filmwise condensation of high velocity downward flowing steam on a bundle of horizontal tubes." Thesis, Queen Mary, University of London, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.309675.

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Bazin, Clément. "Numerical and experimental studies of two-phase flows interacting with a bundle of tubes." Electronic Thesis or Diss., Institut polytechnique de Paris, 2023. http://www.theses.fr/2023IPPAX106.

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Les générateurs de vapeur (GV) des centrales nucléaires sont composés de faisceaux de tubes soumis à des écoulements diphasiques eau-vapeur. Les vibrations liées à cette interaction peuvent induire des dommages (fatigue et usure par frottement et chocs) pouvant entraîner de graves conséquences pour la sûreté nucléaire.Dans le cadre de la prévention des risques vibratoires des tubes de GV des études expérimentales sont réalisées à l'aide de faisceaux analytiques de tubes droits soumis à un écoulement transverse diphasique.En parallèle, il est également important de développer un outil de simula
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Ramadan, Abdulghani. "Numerical And Experimental Investigation Of Forced Filmwise Condensation Over Bundle Of Tubes In The Presence Of Noncondensable Gases." Phd thesis, METU, 2006. http://etd.lib.metu.edu.tr/upload/3/12607831/index.pdf.

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The problem of the forced film condensation heat transfer of pure steam and steam-air mixture flowing downward a tier of horizontal cylinders is investigated numerically and experimentally. Liquid and vapor-air mixture boundary layers were solved by an implicit finite difference scheme. The effects of the free stream non-condensable gas (air) concentration, free stream velocity (Reynolds number), cylinder diameter, temperature difference and angle of inclination on the condensation heat transfer are analyzed. Inline and staggered tubes arrangements are considered. The mathematical model takes
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Marcel, Thibaud. "Simulation numérique et modélisation de la turbulence statistique et hybride dans un écoulement de faisceau de tubes à nombre de Reynolds élevé dans le contexte de l'interaction fluide-structure." Thesis, Toulouse, INPT, 2011. http://www.theses.fr/2011INPT0109/document.

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La prédiction des instabilités fluide-élastique qui se développent dans un faisceau de tubes est importante pour la conception des générateurs de vapeur dans les centrales nucléaires, afin de prévenir les accidents liés à ces instabilités. En effet, ces instabilités fluide-élastique, ou flottements, conduisent à une fatigue vibratoire des matériaux, voire à des chocs entre les tubes, et par la suite, à des dégâts importants. Ces aspects sont d'une grande complexité pour les applications scientifiques impliquant l'industrie nucléaire. Le présent travail est issu d'une collaboration entre l'EDF,
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Belghazi, Mourad. "Condensation d'un fluide pur et de mélanges zéotropes à l'extérieur d'un faisceau de tubes à surface améliorée." Université Joseph Fourier (Grenoble), 2001. http://www.theses.fr/2001GRE10055.

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Blanc, Philippe. "Condensation des fluides frigorigènes HFC134a et HFC22 à l'extérieur d'un faisceau de tubes horizontaux améliorés." Université Joseph Fourier (Grenoble ; 1971-2015), 1994. http://www.theses.fr/1994GRE10221.

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L'utilisation de nouveaux fluides frigorigenes respectueux de notre environnement remet en cause les connaissances etablies pour le dimensionnement des installations frigorifiques et de conditionnement d'air. Les condenseurs de type tema x, largement utilises dans de telles applications, sont composes d'un faisceau de tubes horizontaux ameliores a l'exterieur desquels vient se condenser la vapeur de fluide frigorigene. Le dimensionnement optimal d'un tel echangeur necessite la prise en compte de l'effet d'inondation du condensat le long des rangees de tubes du faisceau. L'approche experimental
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Mansur, Sergio Said. "Amélioration des échangeurs thermiques tubulaires par l'utilisation d'inserts hélicoïdaux à l'extérieur des tubes." Grenoble 1, 1993. http://www.theses.fr/1993GRE10192.

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Ce travail propose une etude numerique et experimentale du comportement thermohydraulique des echangeurs multitubulaires munis de bandes vrillees a l'exterieur des tubes. Des lois de frottement et d'echange thermique au sein de cette geometrie ont ete determinees experimentalement et programmees dans le logiciel trio developpe au commissariat a l'energie atomique, cea , avec une modelisation du type milieu poreux. Des mesures de pression et de vitesse, ainsi que des visualisations de l'ecoulement ont ete realisees sur un echangeur construit en plexiglas transparent. Les resultats obtenus dans
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Adom, Ebenezer. "Investigation of boiling heat transfer on small diameter tubes and tube bundles." Thesis, Heriot-Watt University, 2007. http://hdl.handle.net/10399/2067.

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Boiling heat transfer on the outside of small diameter tubes in the range of 1.8-3.0mm has been investigated. Pool boiling was investigated at nominal atmospheric pressure for each of the tubes iIi isolation. The experiment was varied by investigating the effect of bubbles from a second tube mounted below by varying the heat flux on the upper tube. The upper tube diameter was changed from 3.00 to 2.32 and 1.83mm and in each case the lower tube was 3.00mm. Experimental results showed that the upper tube heat transfer coefficient was enhanced due to the combined mechanism of translating bubbles
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Books on the topic "Bundle of tubes"

1

Mazzone, Robert Walter. Enhanced condensation of R-113 on a small bundle of horizontal tubes. Naval Postgraduate School, 1991.

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Sungiae, Cho, U.S. Nuclear Regulatory Commission. Office of Nuclear Regulatory Research., Han ơguk Cho llyo k Kongsa. Research Center., and Han ơguk Wo njaryo k Anjo n Kisurwo n., eds. Assessment of CCFL model of RELAP5/MOD3 against simple verticle tubes and rod bundle tests. Office of Nuclear Regulatory Research, U.S. Nuclear Regulatory Commission, 1993.

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3

J, Pavli Albert, and United States. National Aeronautics and Space Administration., eds. Advanced tube-bundle rocket thrust chamber. NASA, 1990.

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J, Pavli Albert, and United States. National Aeronautics and Space Administration., eds. Advanced tube-bundle rocket thrust chamber. NASA, 1990.

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J, Pavli Albert, and United States. National Aeronautics and Space Administration., eds. Advanced tube-bundle rocket thrust chamber. NASA, 1990.

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A, Skrinska, Zhukauskas A. A. 1923-, and Hewitt G. F, eds. Heat transfer of finned tube bundles in crossflow. Hemisphere Pub. Corp., 1988.

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Mabrey, Burlin Davis. Condensation of refrigerants on small tube bundles. Naval Postgraduate School, 1988.

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J, Pavli Albert, Malone Glenn A, and United States. National Aeronautics and Space Administration., eds. New method of making advanced tube-bundle rocket thrust chambers. National Aeronautics and Space Administration, 1990.

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9

Aleksandrovich, Dreĭt͡ser Genrikh, and Ashmantas L. V. A, eds. Unsteady heat and mass transfer in helical tube bundles. Hemisphere Pub. Corp., 1990.

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Chilman, Scott V. Nucleate boiling characteristics of R-113 in a small enhanced tube bundle. Naval Postgraduate School, 1991.

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Book chapters on the topic "Bundle of tubes"

1

Wan, Shengwu, and Xueyuan Cheng. "Finite Element Analysis of Steel Tube Bundle Composite Shear Wall with Different Constructions." In Lecture Notes in Civil Engineering. Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-99-1748-8_25.

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AbstractIn order to study the seismic performance of the steel tube bundle composite shear wall with different constructions. Based on the failure tests of three composite shear wall specimens without steel tube bundle end, with studs and stiffener, a feasible numerical model is established by ABAQUS. The hysteresis curve and energy dissipation coefficient, skeleton curve and ductility of the shear wall were further analyses by varying the axial compression ratio and the spacing of the internal diaphragm. The results show that the stud group and the stiffener group can effectively improve the
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Gnielinski, Volker. "G7 Heat Transfer in Cross-flow Around Single Rows of Tubes and Through Tube Bundles." In VDI Heat Atlas. Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-540-77877-6_40.

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Porter, R., and D. V. Evans. "Trapped Modes about Tube Bundles in Waveguides." In IUTAM Symposium on Diffraction and Scattering in Fluid Mechanics and Elasticity. Springer Netherlands, 2002. http://dx.doi.org/10.1007/978-94-017-0087-0_10.

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Shakouchi, Toshihiko, Takeshi Kitamura, Koichi Tsujimoto, and Toshitake Ando. "Interaction Between Water or Air-Water Bubble Flow and Tube Bundle—Effects of Arrangement of Tube Bundle and Void Fraction." In Fluid-Structure-Sound Interactions and Control. Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-10-7542-1_17.

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Buxmann, J. "Pressure Losses in Tube Bundles of Close Spacings." In Design and Operation of Heat Exchangers. Springer Berlin Heidelberg, 1992. http://dx.doi.org/10.1007/978-3-642-84450-8_16.

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Gelbe, Horst, and Samir Ziada. "O2 Vibration of Tube Bundles in Heat Exchangers." In VDI Heat Atlas. Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-540-77877-6_111.

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Jensen, Michael K. "Boiling on the Shellside of Horizontal Tube Bundles." In Two-Phase Flow Heat Exchangers. Springer Netherlands, 1988. http://dx.doi.org/10.1007/978-94-009-2790-2_24.

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Abrahams, I. David, and Gregory A. Kriegsmann. "Electromagnetic Wave Propagation Through Small Diameter Tube Bundles." In Mathematical and Numerical Aspects of Wave Propagation WAVES 2003. Springer Berlin Heidelberg, 2003. http://dx.doi.org/10.1007/978-3-642-55856-6_67.

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Tang, Jie, Mao Cheng, Wenhong Cao, and Zhangwei Ling. "Failure Risk and Control of Nitrogen Trifluoride Tube-Bundle Container." In Advances in Intelligent Systems and Computing. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-43306-2_53.

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Ayob, M. Adnan, Sia Hua Jiuh, A. R. Othman, and M. Mohammad. "Assessment of Heat Exchanger Tube Bundle Using STELLAR: Industrial Case Study." In Lecture Notes in Mechanical Engineering. Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-99-5946-4_17.

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Conference papers on the topic "Bundle of tubes"

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Sethi, V. K., E. Puentes, and K. Natesan. "Metal Wastage Analysis of Carbon Steel Tubes in FBC Environment." In CORROSION 1989. NACE International, 1989. https://doi.org/10.5006/c1989-89537.

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Abstract The TVA 20-MW AFBC Pilot Plant located near Paducah, Kentucky began operations in March 1982, and it operated with the same in-bed evaporator tubes (tube bundle B1) for ~13,625 h through the end of 1985. During January-February 1986, the evaporator tubes were removed to test a new tube bundle configuration (tube bundle C1). After only a short period of operation, tube diameter measurements showed that tube wastage rates for bundle Cl were almost an order of magnitude larger than those recorded for B1. Although several other changes could have been responsible for this increase, the co
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Salwén, Johan. "Improving Life Cycle Cost Using High Alloyed Stainless Steels for Hydrochloric Acid Localized Condensation in Heat Exchangers." In CONFERENCE 2023. AMPP, 2023. https://doi.org/10.5006/c2023-19274.

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Abstract Heat exchangers are crucial within process industries such as refineries, petrochemical, and chemical plants. They are necessary to decrease or increase the temperature of the process stream. The most common type of industrial heat exchanger is the shell-and-tube type. The process fluids in the heat exchangers can be highly corrosive and proper material selection is critical for reducing failures, maintenance, and repair costs. A corroding heat exchanger can also cause contamination, which can lead to expensive purification of the products. A petrochemical plant was using super-austen
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Monde, Masatsugu, Naoki Ono, Tomohito Nakamori, et al. "Seismic Response of Tubes Vibrating Independently in In-Plane Direction for U-Shaped Tube Bundle With Triangular Arrays in Steam Generators." In ASME 2023 Pressure Vessels & Piping Conference. American Society of Mechanical Engineers, 2023. http://dx.doi.org/10.1115/pvp2023-105872.

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Abstract Ensuring a complete integrity of steam generators’ tubes during earthquakes is critical. In order to predict the vibration behavior of tube bundle in in-plane direction, seismic tests for U-shaped tube bundle with square arrays had been carried out. During the tests, vibrations were observed in the tube bundle at the location where the tubes and the AVBs vibrate as a whole structure. Independent vibrations for some tubes were also observed at the location where the tubes slide with the AVBs and impact with the adjacent tubes. As for the seismic design, carrying out an evaluation of th
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Ma, Zhixian, Jili Zhang, and Dexing Sun. "Inundation Effect and Its Elimination in Shell and Tube Condenser." In 2010 14th International Heat Transfer Conference. ASMEDC, 2010. http://dx.doi.org/10.1115/ihtc14-23358.

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Inundation effect, decrease of condensation heat transfer coefficient (CHTC) induced by both falling condensate from the neighboring tubes above and condensing condensate form the vapor, significantly affects the CHTC of tube bundles composed of smooth and enhanced tubes. This paper experimentally studied the inundation effect of smooth tube and three kinds of enhanced tubes (3D-A, 3D-B and 2D-A), put forward a scheme to eliminate the inundation effect caused by falling condensate and check it by experimental investigation. HFC134a and HFC245fa (substitutes of CFC12 and CFC11, respectively) we
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Hirota, Kazuo, Masatsugu Monde, Naoki Ono, et al. "Considering Gaps Between Tubes and AVBs for U-Shaped Tube Bundle in Steam Generators Using Seismic Linear Analysis Method." In ASME 2023 Pressure Vessels & Piping Conference. American Society of Mechanical Engineers, 2023. http://dx.doi.org/10.1115/pvp2023-102942.

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Abstract Ensuring seismic resistance of the tube bundle of steam generators is very important. In order to predict the vibration behavior of the tube bundle, a linear analysis method was developed by modeling all the components of the tube bundle such as tubes and Anti-Vibration Bars (AVB). First natural frequency and its seismic response calculated using the linear analysis were very consistent with the seismic test results. However, since the calculated tube strain distribution was smaller than the results obtained from the test, we developed a nonlinear analysis model that can take into acc
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Chen, Tailian. "Prediction of Bundle Shell Side Condensation Heat Transfer Coefficient." In ASME 2008 Heat Transfer Summer Conference collocated with the Fluids Engineering, Energy Sustainability, and 3rd Energy Nanotechnology Conferences. ASMEDC, 2008. http://dx.doi.org/10.1115/ht2008-56125.

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Prediction of condenser bundle performance is of great interest to chiller design engineers and tube developers as well. Depending on their locations in a condenser bundle, tubes are subjected to inundation or flooding of condensate coming from those above them. The tubes located in the top portion of the bundle are not or slightly inundated whereas the tubes located deep in the bundle experience larger degree of inundation; those in the bundle bottom are the most severely inundated. For a condenser bundle to have good performance, it is necessary for the tubes to perform well in both non-inun
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Ma, Anxiang, Xiaoyang Xie, Houjian Zhao, Xiaowei Li, and Xinxin Wu. "Numerical Simulation of Turbulent Cross Flow Over Helical Tube Bundles With Supporting Structures." In 2024 31st International Conference on Nuclear Engineering. American Society of Mechanical Engineers, 2024. http://dx.doi.org/10.1115/icone31-134964.

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Abstract Helical tube bundles are usually used for the steam generator of high temperature gas-cooled reactor pebble-bed module (HTR-PM). The helical tube bundle is composed of several layers of helically coiled tubes, which are fixed by the supporting structures for preventing flow induced vibration. In the helical tube bundle, there are ideal flow paths separated by different layers of helical tubes. The blocking area ratio (the ratio of tube area to total area) of each flow path is different due to the helical diameter of each layer tubes, which may result in non-uniform flow. The presence
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Li, Xiaoxi, Jiming Wen, Puzhen Gao, and Yibo Yin. "Research on Natural Frequency Characteristics of Spiral Tube Bundles." In 2024 31st International Conference on Nuclear Engineering. American Society of Mechanical Engineers, 2024. http://dx.doi.org/10.1115/icone31-134953.

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Abstract Liquid metal reactors (LMR), with the significant advantages in high safety and good economic benefits, has obvious advantages and broad application prospects in the fourth generation nuclear power systems. Spiral tube steam generator is one of the most important equipment in LMR, which are composed of spiral heat transfer tubes, inner and outer cylinders, feedwater headers, steam headers, and other structures. Due to their compact structure and high heat transfer efficiency, they are conducive to equipment miniaturization and have been widely used in different reactors in various cou
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Khushnood, Shahab, Zaffar M. Khan, M. Afzaal Malik, Zafar Ullah Koreshi, and Mehmood Anwer Khan. "Vibration Analysis of a Multispan Tube in a Bundle." In 10th International Conference on Nuclear Engineering. ASMEDC, 2002. http://dx.doi.org/10.1115/icone10-22210.

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Nuclear and process industry has seen tube bundle failures more frequently in recent years. There is some concern that the practice of structural configuration has not advanced as rapidly as thermal design of heat exchangers. Catastrophic vibration of tube in a bundle can be avoided if the tube natural frequency is kept well above the estimated existing turbulent buffeting frequencies. Flow distribution and partial admission in to the tube bundle due to upstream piping further complicates the system. In this paper, tube in a bundle has been modeled as a beam on multiple supports. Effects of da
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Chu, C. M., and J. M. McNaught. "TUBE BUNDLE EFFECTS IN CROSSFLOW CONDENSATION ON LOW-FINNED TUBES." In International Heat Transfer Conference 10. Begellhouse, 1994. http://dx.doi.org/10.1615/ihtc10.490.

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Reports on the topic "Bundle of tubes"

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Cho, S., N. Arne, B. D. Chung, and H. J. Kim. Assessment of CCFL model of RELAP5/MOD3 against simple vertical tubes and rod bundle tests. International Agreement Report. Office of Scientific and Technical Information (OSTI), 1993. http://dx.doi.org/10.2172/10168956.

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Ashcroft, J., and D. Kaminski. Cross-Stream Thermal Diffusion in a Staggered Tube Bundle with Corrosion. Office of Scientific and Technical Information (OSTI), 1996. http://dx.doi.org/10.2172/766961.

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Chen, S., and S. Chandra. Fluidelastic instabilities in tube bundles exposed to nonuniform crossflow. Office of Scientific and Technical Information (OSTI), 1989. http://dx.doi.org/10.2172/5171700.

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Sindt, Charles F. Orifice meter performance downstream of a tube bundle flow conditioner, elbows, and a tee. National Bureau of Standards, 1990. http://dx.doi.org/10.6028/nist.tn.1344.

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George and Delgado. PR-015-06601-R01 Evaluation of Clamp-on Ultrasonic Meters as Field-Portable Diagnostic Tool. Pipeline Research Council International, Inc. (PRCI), 2007. http://dx.doi.org/10.55274/r0010702.

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This study has continued work begun in 2005 to evaluate the use of commercially-available clamp-on ultrasonic meters (USMs) in diagnosing natural gas flow conditions that can produce measurement errors in traditional natural gas meters. In this project, a prototype multi-array clamp-on USM and a commercially available two-path clamp-on USM were mounted on a conventional orifice meter run with a 19-tube bundle flow straighter subjected to well-conditioned flow and a series of adverse flow conditions. Measurements from the clamp-on meters were compared to measurements from the orifice meter unde
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Brockmeyer, Landon, Elia Merzari, Jerome M. Solberg, Kostas Karazis, and Yassin Hassan. High Fidelity Simulation and Validation of Crossflow through a Tube Bundle and the Onset of Vibration. Office of Scientific and Technical Information (OSTI), 2019. http://dx.doi.org/10.2172/1514804.

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Kegel, W. Second-generation pressurized fluidized bed combustion plant: Phase 1, Task 2 topical report: Grimethorpe tube bundle E'' wastage evaluation. Office of Scientific and Technical Information (OSTI), 1989. http://dx.doi.org/10.2172/6990942.

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Hawley. PR-015-11707-R01 Test Diagnostic Methods for Turbine Gas Meters. Pipeline Research Council International, Inc. (PRCI), 2013. http://dx.doi.org/10.55274/r0010671.

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Similar to most metering technologies, turbine meters are known to be affected by abnormal flow or abnormal mechanical conditions which can cause bias in flow measurement. These types of flow conditions include blockage at the flow meter or straightening vanes, grime or liquid contamination on the internal meter components, damage to the internal meter components, and pulsation in the flow. With the introduction of ultrasonic and Coriolis meters for gas applications, the natural gas industry has embraced the concept of meters with embedded diagnostic capabilities. These capabilities allow the
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