Relevant bibliographies by topics / Tube and Shell Condenser

Contents

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

Academic literature on the topic 'Tube and Shell Condenser'

Author: Grafiati
Published: 4 June 2021
Last updated: 1 February 2022

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Journal articles on the topic "Tube and Shell Condenser"

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Nain, HM Zulqar, Md Shafiqul Islam, and Abid Hossain Khan. "A Study on Thermal-Hydraulics Characteristics for Designing a Shell and Tube Conderser for a 1200 MWe Nuclear Power Plant." Journal of Bangladesh Academy of Sciences 43, no. 2 (2020): 181–89. http://dx.doi.org/10.3329/jbas.v43i2.45739.

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The study explores the thermal-hydraulics parameters of a condenser of a nuclear power plant with 1200MWe net electric output and 37% thermal efficiency using empirical correlations of pressure drop and heat transfer coefficient both for the tube and shell sides. Considering a two-phase fluid system, a shell and tube condenser with coolant water on the tube side and condensing steam on the shell side has been selected. For designing a condenser with a thermal load of 2060MWth, the input temperature data of cold fluid inlet and outlet temperatures are taken as 29.4ºC and 40ºC while the condensation temperature is taken as 53.97oC. Transverse, two-pass condenser with 4 shell tanks has been considered in this study and the length of each shell tank is taken as 14m. Based on these input data, this work finds heat transfer area, logarithmic mean temperature difference (LMTD), and convection heat transfer coefficient inside the tubes as 549536m2, 18.74°C, and 2869.85W/m2.ºC respectively for 20mm tube outer diameter. Hydrodynamic parameters relating to the friction factors and pressure drops on tube side are found as 0.031 and 14.86kPa respectively. Similar design data have been generated for varying coolant inlet temperatures and tube inner diameters. Results reveal that velocity of flow inside the tubes as well as the number of tubes in a bundle decrease with the increase in tube diameter. Finally, the thermal-hydraulic data may be used to design a large scale commercial condenser to be applicable for a large scale nuclear plant since limited design data are available in the literature.
 Journal of Bangladesh Academy of Sciences, Vol. 43, No. 2, 181-189, 2019
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Darmawan, Steven Mangihut, Steven Darmawan, and Suroso Suroso. "EVALUASI DESAIN TERMAL KONDENSOR PLTN TIPE PWR MENGGUNAKAN PROGRAM SHELL AND TUBE HEAT EXCHANGER DESIGN." POROS 12, no. 1 (2017): 10. http://dx.doi.org/10.24912/poros.v12i1.678.

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Abstract: The study was executed to get a quick calculation method for the design of equipment heat exchanger type shell and tube with a program shell and tube heat exchanger design. The purpose of this study was to obtain the results of the validation program shell and tube heat exchanger design of a condenser with power 4368.75 kW and the results of the evaluation program shell and tube heat exchanger design on the thermal design condensers nuclear power plant AP1000 PWR type. Input data into the program is done by inserting the parameters temperature, flow rate, physical properties and geometrical dimensions of the available designs of heat exchanger equipment specifications. Parameter for comparison of data can be obtained from the results of other calculations or experimental data. The results of comparison of the validation program shell and tube heat exchanger with condenser design calculations showed the highest difference found on Utube parameter equal to 1.3% lower than the design condition. This occurs because of differences in calculation between the program designed. The result evaluation of program shell and tube heat exchanger design toward the thermal design condensers nuclear power plant PWR type AP1000 obtained unknown parameters from the technical specifications.
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Havlík, Jan, and Tomáš Dlouhý. "CONDENSATION OF WATER VAPOR IN A VERTICAL TUBE CONDENSER." Acta Polytechnica 55, no. 5 (2015): 306. http://dx.doi.org/10.14311/ap.2015.55.0306.

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<p>This paper presents an analysis of heat transfer in the process of condensation of water vapor in a vertical shell-and-tube condenser. We analyze the use of the Nusselt model for calculating the condensation heat transfer coefficient (HTC) inside a vertical tube and the Kern, Bell-Delaware and Stream-flow analysis methods for calculating the shell-side HTC from tubes to cooling water. These methods are experimentally verified for a specific condenser of waste process vapor containing air. The operating conditions of the condenser may be different from the assumptions adopted in the basic Nusselt theory. Modifications to the Nusselt condensation model are theoretically analyzed.</p>
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Rusowicz, Artur, Jakub Kajurek, and Kuat Baubekov. "Analysis of flow resistance in bundles of power plant condensers." E3S Web of Conferences 100 (2019): 00071. http://dx.doi.org/10.1051/e3sconf/201910000071.

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Shell-side pressure drop is a very important variable in the successful design of the condensers. The prediction of this pressure drop through the horizontal tube banks, with condensation, has long been a problem facing design engineers. Low pressure drop is a requirement in designing condensers for power plants. The paper presents a comparison of the various correlation to determine the pressure drop in the tube bundle. It is an important element for the verification of numerical simulations. Analysis of flow resistance for power plant condenser were made.
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LIM, Tae-Woo, and Yong-Seok CHOI. "Design of Shell and Tube Condenser According to Tube layout Patterns." JOURNAL OF FISHRIES AND MARINE SCIENCES EDUCATION 30, no. 5 (2018): 1634–41. http://dx.doi.org/10.13000/jfmse.2018.10.30.5.1634.

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Wang, Si Ping, Li Zhang, and Jian Li. "The Numerical Simulation of the Shell Side Flow and Heat Transfer for 600MW Steam Turbine Condenser." Advanced Materials Research 614-615 (December 2012): 265–71. http://dx.doi.org/10.4028/www.scientific.net/amr.614-615.265.

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Detailed prediction of steam flow field and heat transfer process is significant for the condensers. The flow and heat transfer performance of the condenser of 600MW power unit is numerical simulated. A model of porous media with distributed resistance and mass sink is used to simulate the function of the tube bundle. The equations including the continuous, momentum and air concentration are numerically solved using the finite control-volume integration method and SIMPLE algorithm. The distribution of steam velocity, pressure, heat transfer coefficient and air concentration are obtained and analyzed. On the basis of results, the condenser is evaluated.
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Bhupendrabhai, Barot Umeshkumar. "Exergy Analysis Of Cross Flow Shell and Tube Condenser." International Journal of Engineering Research and Applications 07, no. 07 (2017): 83–85. http://dx.doi.org/10.9790/9622-0707018385.

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Col, Davide Del, Alberto Cavallini, Enrico Da Riva, Simone Mancin, and Giuseppe Censi. "Shell-and-Tube Minichannel Condenser for Low Refrigerant Charge." Heat Transfer Engineering 31, no. 6 (2010): 509–17. http://dx.doi.org/10.1080/01457630903409738.

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Elsayed, A., R. K. Al-dadah, S. Mahmoud, and A. Rezk. "Experimental and theoretical investigation of small-scale cooling system equipped with helically coiled evaporator and condenser." Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science 226, no. 3 (2011): 724–37. http://dx.doi.org/10.1177/0954406211414790.

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Utilizing helically coiled tubes evaporator and condenser in cooling applications is promising due to their higher heat transfer coefficients compared to straight tube because of the effect of centripetal forces. With growing interest in miniature and efficient refrigeration systems, small helical coil diameter can offer significant advantages in terms of being compact, lightweight, and improved coefficient of performance (COP). This article describes a performance study of small-scale vapour compression cooling system (100 W cooling capacity) equipped with shell and helically coiled tube evaporator and condenser. A detailed mathematical model has been developed for this system based on thermodynamic principles and relevant heat transfer correlations. The model was validated using experimental results from a representative small size cooling system with agreement of ±5 per cent. The model was then used to carry out performance optimization in terms of the evaporator and condenser geometric parameters including helical coil diameter, tube inside diameter, and surface area ratio. For the range of geometrical parameters investigated, the model predicts that as the coil diameter decreases, the Cooling COP improves.
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Le, C. V., P. K. Bansal, and J. D. Tedford. "Simulation model of a screw liquid chiller for process industries using local heat transfer integration approach." Proceedings of the Institution of Mechanical Engineers, Part E: Journal of Process Mechanical Engineering 219, no. 2 (2005): 95–107. http://dx.doi.org/10.1243/095440805x7035.

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This paper presents a system simulation model of an oil-injected screw liquid chiller, where the refrigerant shell and tube heat exchangers are modelled following local heat transfer integration approach. All major components of the system are modelled in a modular format such as an oil-injected screw compressor, a shell and tube condenser, a flooded evaporator, and a high side-float valve. The simulation results are validated with the experimental data of a multiple-chiller plant at a process industry. The validated results show that the part-load ratio and the glycol-water temperature at the evaporator inlet affect the system performance considerably as compared to the temperature of cooling water entering the condenser.
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Dissertations / Theses on the topic "Tube and Shell Condenser"

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Yü, Zhenhua. "Electrohydrodynamically (EHD) enhanced condensation heat transfer in horizontal shell and tube condensers." Thesis, University of Birmingham, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.409732.

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Renard, Jérôme. "Réponse d'un confinement circulaire mince à une onde de pression." Orléans, 1986. http://www.theses.fr/1986ORLE0214.

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Etude de la réponse axisymétrique d'un tube circulaire à une onde de pression le parcourant longitudinalement. Rappel de la méthode analytique, et prise en compte des comportements rhéologiques viscoélastiques linéaires. Ainsi ce travail peut-il s'appliquer aux problèmes de sécurité industrielle relatifs aux confinements des matières explosibles, mais aussi contribuer à l'étude de la rhéologie des matériaux charges à haute vitesse de sollicitation ou à la détonique des mélanges gazeux
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Stewart, Susan White. "Enhanced Finned-Tube Condenser Design and Optimization." Diss., Georgia Institute of Technology, 2003. http://hdl.handle.net/1853/5289.

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Enhanced Finned-Tube Condenser Design and Optimization Susan W. Stewart 173 pages Directed by Dr. Sam V. Shelton Finned-tube heat exchangers are widely used in space conditioning systems, as well as any other application requiring heat exchange between liquids and gases. Their most widespread use is in residential air conditioning systems. Residential systems dictate peak demand on the U.S. national grid, which occurs on the hot summer afternoons, and thereby sets the expensive infrastructure requirement of the nations power plant and electrical distribution system. In addition to peak demand, residential air conditioners are major energy users that dominate residential electrical costs and environmental impact. The only significant opportunity for electrical power use reduction of residential air conditioners is in technology improvement of the finned-tube heat exchangers, i.e., condenser and evaporator coils. With the oncoming redesign of these systems in the next five years to comply with the regulatory elimination of R-22 used in residential air conditioners today, improvement in the design technology of these systems is timely. An air conditioner condenser finned-tube coil design optimization methodology is derived and shown to lead to improved residential air conditioner efficiency at fixed equipment cost. This nonlinear optimization of the 14 required design parameters is impractical by systematic experimental testing and iteration of tens of thousands condenser coils in an air conditioning system. The developed methodology and results can be used in the redesign of residential systems for the new mandated environmentally friendly refrigerants and to meet increasing regulatory minimum system efficiencies. Additionally, plain fins and augmented fins, (louvered), are compared using the developed model and optimization scheme to show the effect of the augmentation on system performance. Furthermore, an isolated condenser model was developed using condenser entropy generation minimization as the figure of merit to minimize the model complexity and computation time. Isolated model optimizations are compared with the system model optimum designs.
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Bartleman, Alan. "The condensation of hydrocarbons in a vertical reflux condenser tube." Thesis, University of Strathclyde, 2001. http://oleg.lib.strath.ac.uk:80/R/?func=dbin-jump-full&object_id=21409.

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A new test facility, with a vertical reflux condenser of 1500mm overall length and 45mm internal diameter, has been commissioned and tested and methods developed for measuring key process parameters. An experimental study of reflux condensation in a single tube using n-pentane and iso-octane and binary mixtures of these single component hydrocarbons has been undertaken. Using water as the cooling medium, a correlation was developed for determining the coolant-side heat transfer coefficient in the reflux condenser based on the Wilson plot method. The composition of binary liquid mixture samples from the test facility was determined using an empirical correlation developed using density measurements from a vibrating u-tube densitometer. The single components were condensed in the range 32.0-48.4°C and 0.106-1.515bara by adjusting the test condenser heat load for fixed conditions on the coolant side to investigate how the condensate-film heat transfer coefficient varied with the condensate film Reynolds number. The results show good agreement with the method recommended by HTFS for correcting the Nusselt theory for the effects of waves. A further small correction was made to improve the fit to the data. The binary hydrocarbon mixtures were condensed across the range 65.9-90.1°C and 0.729-1.531bara by conducting similar experiments where the feed vapour contained 50% and 70% n-pentane. Composition measurements of the condensate and vapour leaving the test condenser were made to examine the separation of components during partial reflux condensation. The results suggest that this separation is influenced by heat flux and that it would be improved if the test condenser were operated at a lower heat flux. Further experimental work is needed to verify this, and to investigate how this influences the number of thermodynamic stages, which was found to be less than one with the conditions reported here. Analysis of the heat transfer resistances on the vapour side showed that the standard procedure of using a dry-gas heat transfer coefficient, with or without a mass transfer correction term based on the film theory, poorly predicted the experimental values. These predictions were improved by the use of an enhancement factor, which may be more relevant in counter-current than co-current condensing situations. The results indicate that use of a dry-gas heat transfer coefficient with the film theory correction factor, over-predicts the mass transfer resistance. Comparison was made between the data and predictions based on the integral condensation curve, as might be used in Silver's method for condenser thermal design. It was shown that this method poorly predicted the surface area and the separation achieved in the test condenser. The results indicate that the heat and mass transfer coefficients obtained in a plain tube are significantly higher than those based on using a dry-gas heat transfer coefficient corrected by film theory. Implications for the design of reflux condensers have been presented.
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McCafferty, J. B. "Refrigerant distribution in shell and tube evaporators." Thesis, Heriot-Watt University, 1991. http://hdl.handle.net/10399/1027.

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Angula, Ester. "Numerical performance evaluation of a delugeable flat bare tube air-cooled steam condenser bundle." Thesis, Stellenbosch : Stellenbosch University, 2015. http://hdl.handle.net/10019.1/97151.

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Thesis (MEng)--Stellenbosch University, 2015.<br>ENGLISH ABSTRACT: In this study, one and two-dimensional models are developed for the evaluation of the thermal performance of a delugeable flat tube bundle to be incorporated in the second stage of an induced draft hybrid (dry/wet) dephlegmator (HDWD) of a direct air-cooled steam condenser (ACSC). Both models are presented by a set of differential equations. The one-dimensional model is analysed analytically by using three methods of analysis which are: Poppe, Merkel, and heat and mass transfer analogy. The two-dimensional model is analysed numerically by means of heat and mass transfer analogy method of analysis whereby, the governing differential equations are discretised into algebraic equations using linear upwind differencing scheme. The two-dimensional model’s accuracy is verified through a comparison of the two dimensional solutions to one dimensional solutions. Satisfactory correlation between the one and two-dimensional results is reached. However, there is a slight discrepancy in the solutions, which is mainly due to the assumptions made in one-dimensional model. The effect of tube height, tube pitch, tube width, deluge water mass flow rate, frontal air velocity, steam, and air operating conditions on the heat transfer rate and air-side pressure drop for both wet and dry operating modes are investigated. The long tube height, large tube width, small tube pitch, and high frontal air velocity are found to increase the tube bundle’s performance. However, this performance is associated with a high airside pressure drop. The performance of the deluged flat tube bundle is found to be less sensitive to the changes in the deluge water mass flow rate and air operating conditions. Furthermore, the best configuration of a delugeable flat tube bundle is identified through a comparison to round tube bundle presented by Anderson (2014). The performance of the round tube bundle is found to be around 2 times, and 1.5 times of that of flat tube bundle, when both bundles operate as an evaporative and dry air-cooled condenser respectively.<br>AFRIKAANSE OPSOMMING: In hierdie studie is een en twee-dimensionele modelle ontwikkel vir die evaluering van die termiese prestasie van 'n benatbare plat buis bundel in die tweede stadium van 'n geïnduseerde ontwerp hibriede (droë / nat ) deflegmator van 'n direkte lugverkoelde stoom kondensator. Beide modelle is aangebied deur 'n stel van differensiaalvergelykings. Die een-dimensionele model is analities ontleed deur die gebruik van drie metodes van analise wat: Poppe, Merkel, en die hitte en massa-oordrag analogie. Die twee-dimensionele model is numeries ontleed deur middel van hitte en massa-oordrag analogie metode van analise waardeur , die regerende differensiaalvergelykings gediskretiseer in algebraïese vergelykings met behulp van lineêre windop differensievorming skema. Die tweedimensionele model se akkuraatheid is geverifieer deur 'n vergelyking van die twee dimensionele oplossings te een dimensionele oplossings. Bevredigende korrelasie tussen die een en twee-dimensionele resultate bereik word. Maar daar is 'n effense verskil in die oplossings, wat is hoofsaaklik te wyte aan die aannames wat gemaak in een-dimensional model. Die effek van buis hoogte, buis toonhoogte, buis breedte, vloed water massa-vloeitempo, frontale lug snelheid, stoom, en in die lug werktoestande op die hitte oordrag snelheid en lug - kant drukval vir beide nat en droë maatskappy modi word ondersoek. Die lang buis hoogte, groot buis breedte, klein buisie toonhoogte, en 'n hoë frontale lug snelheid gevind die buis bundel se prestasie te verhoog. Tog is hierdie prestasie wat verband hou met 'n hoë lug - kant drukval. Die prestasie van die oorstroom plat buis bundel gevind word minder sensitief vir die veranderinge in die vloed water massa-vloeitempo en lug werktoestande. Verder is die beste opset van 'n benatbare plat buis bundel geïdentifiseer deur 'n vergelyking met ronde buis bundel aangebied deur Anderson (2014). Die prestasie van die ronde buis bundel gevind word om 2 keer, en 1.5 keer van daardie plat buis bundel , wanneer beide bundels funksioneer as 'n damp en droë lugverkoelde kondensor onderskeidelik.
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Wright, Monifa Fela. "Plate-Fin-And-Tube condenser perfomance and design for a refrigerant R-410A air-conditioner." Thesis, Georgia Institute of Technology, 2000. http://hdl.handle.net/1853/17296.

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Sadler, Emma May. "Design analysis of a finned-tube condenser for a residential air-conditioner using R-22." Thesis, Georgia Institute of Technology, 2000. http://hdl.handle.net/1853/17951.

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Ozden, Ender. "Detailed Design Of Shell-and-tube Heat Exchangers Using Cfd." Master's thesis, METU, 2007. http://etd.lib.metu.edu.tr/upload/3/12608752/index.pdf.

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Traditionally Shell-and-tube heat exchangers are designed using correlation based approaches like Kern method and Bell-Delaware method. With the advances in Computational Fluid Dynamics (CFD) software, it is now possible to design small heat exchangers using CFD. In this thesis, shell-and-tube heat exchangers are modeled and numerically analyzed using a commercial finite volume package. The modeled heat exchangers are relatively small, have single shell and tube passes. The leakage effects are not taken into account in the design process. Therefore, there is no leakage from baffle orifices and no gap between baffles and the shell. This study is focused on shell side flow phenomena. First, only shell side is modeled and shell side heat transfer and flow characteristics are analyzed with a series of CFD simulations. Various turbulence models are tried for the first and second order discretization schemes using different mesh densities. CFD predictions of the shell side pressure drop and the heat transfer coefficient are obtained and compared with correlation based method results. After selecting the best modeling approach, the sensitivity of the results to the flow rate, the baffle spacing and baffle cut height are investigated. Then, a simple double pipe heat exchanger is modeled. For the double pipe heat exchanger, both the shell (annulus) side and the tube side are modeled. Last, analyses are performed for a full shell-and-tube heat exchanger model. For that last model, a small laminar educational heat exchanger setup is used. The results are compared with the available experimental results obtained from the setup. Overall, it is observed that the flow and temperature fields obtained from CFD simulations can provide valuable information about the parts of the heat exchanger design that need improvement. The correlation based approaches may indicate the existence of a weakness in design, but CFD simulations can also pin point the source and the location of the weakness.
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Cooper, Paul. "Electrically enhanced heat transfer in the shell/tube heat exchanger." Thesis, Imperial College London, 1986. http://hdl.handle.net/10044/1/37978.

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Books on the topic "Tube and Shell Condenser"

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Alcock, J. L. Further condensation studies using the UMIST industrial-scale shell and tube condenser. UMIST, 1993.

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Yu, Zhenhua. Electrodynamically (EHD) enhanced condensation heat transfer in horizontal shell and tube condensers. University of Birmingham, 2001.

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Stevenson, Richard W. Dynamic and steady state performance data from two industrial scale horizontal shell-and-tube condensers. UMIST, 1996.

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Yokell, Stanley. A working guide to shell-and-tube heat exchangers. McGraw-Hill, 1990.

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Johnson, Antony. Flow, heat transfer and pressure drop on the shell side of a shell and tube heat exchanger. Manchester Polytechnic, 1985.

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university, Open. Heat transfer principles and applications. Block 8. Heat exchangers part 2. Shell and tube heat exchangers. OU, 1992.

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The 2006-2011 World Outlook for Shell-And-Tube, Shell-And-Coil, Shell-And-U-Tube, and Tube-In-Tube Condensers for Heat Transfer. Icon Group International, Inc., 2005.

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Parker, Philip M. The 2007-2012 World Outlook for Shell-And-Tube, Shell-And-Coil, Shell-And-U-Tube, and Tube-In-Tube Condensers for Heat Transfer. ICON Group International, Inc., 2006.

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Parker, Philip M. The 2007-2012 World Outlook for Shell-And-Tube, Shell-And-Coil, Shell-And-U-Tube, and Tube-In-Tube Liquid Coolers for Heat Transfer. ICON Group International, Inc., 2006.

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The 2006-2011 World Outlook for Shell-And-Tube, Shell-And-Coil, Shell-And-U-Tube, and Tube-In-Tube Liquid Coolers for Heat Transfer. Icon Group International, Inc., 2005.

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Book chapters on the topic "Tube and Shell Condenser"

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Rao, R. Venkata. "Thermoeconomic Optimization of Shell and Tube Condenser Using TLBO and ETLBO Algorithms." In Teaching Learning Based Optimization Algorithm. Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-22732-0_9.

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Kolesnikov, Alexei M. "Unbending of Curved Tube by Internal Pressure." In Shell-like Structures. Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-21855-2_31.

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Krishnan, S., and G. K. Sadekar. "Variable Pitch Tube Layout Concept for Shell and Tube Heat Exchanger." In Design and Operation of Heat Exchangers. Springer Berlin Heidelberg, 1992. http://dx.doi.org/10.1007/978-3-642-84450-8_6.

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Gaddis, Edward S., and Volker Gnielinski. "G8 Shell-Side Heat Transfer in Baffled Shell-and-Tube Heat Exchangers." In VDI Heat Atlas. Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-540-77877-6_41.

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Rao, K. Ramananda, U. Shrinivasa, and J. Srinivasan. "Simple Algorithms for Optimization of Shell and Tube Heat Exchangers." In Design and Operation of Heat Exchangers. Springer Berlin Heidelberg, 1992. http://dx.doi.org/10.1007/978-3-642-84450-8_8.

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Olana, Firew Dereje, Beza Nekatibeb Retta, Tadele Abera Abose, and Samson Mekibib Atnaw. "Shell and Tube Heat Exchanger, Empirical Modeling Using System Identification." In Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-43690-2_40.

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Wagh, S. M., D. P. Barai, and M. H. Talwekar. "Sensitivity Analysis of Shell and Tube Heat Exchanger Using Chemcad." In Novel Water Treatment and Separation Methods. Apple Academic Press, 2017. http://dx.doi.org/10.1201/9781315225395-20.

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Hesselgreaves, J. E., P. Mercier, T. Moros, S. S. Mansur, and M. McCourt. "New Concepts in Longitudinal Flow Shell and Tube Heat Exchangers." In Energy Efficiency in Process Technology. Springer Netherlands, 1993. http://dx.doi.org/10.1007/978-94-011-1454-7_57.

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Jayachandraiah, B., and C. Dinesh Kumar Patel. "Design of Shell-and-Tube Heat Exchanger with CFD Analysis." In Lecture Notes in Mechanical Engineering. Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-4488-0_34.

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Shrivastava, Amit, and Prodyut R. Chakraborty. "Shell-and-Tube Latent Heat Thermal Energy Storage (ST-LHTES)." In Energy, Environment, and Sustainability. Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-13-3302-6_13.

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Conference papers on the topic "Tube and Shell Condenser"

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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) were condensed in the experiment. Nominal diameter and active length of each test tube is 19.05mm and 500mm, respectively. Diversion ducts were fixed into the test tube bundle to eliminate tube row effect (part of the inundation effect caused by the falling condensate). Drainage strip was equipped on the test tubes to abate the inundation effect induced by condensed condensate. The (These) experimental results show: (1) Inundation effect of HFC 134a and HFC245fa on smooth tube bundle is not as severe as that predicted by Kern’s model. (2) 3D-B enhanced tube is dramatically affected by the inundation effect caused by falling condensate; (3) The equipped diversion ducts can eliminate tube row effect and improve the CHTC of tube bundles composed of smooth and 3D-B tubes. (4) The equipped drainage strip can further enhance the CHTC of 3D-A and 2D-A tubes in the tube bundle.
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2

Nadig, Ranga, and Michael Phipps. "Design and Control of Bypass Condensers." In 2012 20th International Conference on Nuclear Engineering and the ASME 2012 Power Conference. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/icone20-power2012-55076.

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In waste to energy plants and certain genre of cogeneration plants, it is mandatory to condense the steam from the boiler or HRSG in a separate bypass condenser when the steam turbine is out of service. The steam from the boiler or HRSG is attemperated in a pressure reducing desuperheating valve and then condensed in a bypass condenser. To avoid flashing of condensate in downstream piping it is customary to subcool the condensate in the bypass condenser. Circulating water from the steam surface condenser is used to condense the steam in the bypass condenser. Some of the challenges involved in the design of the bypass condenser are: • High shellside design pressure and temperature • Condensate subcooling • Large circulating water (tubeside) flow rate • Relatively low circulating water (tubeside) inlet temperature • Large Log Mean Temperature Difference (LMTD) • Large shell diameters • Small tube lengths The diverse requirements complicate the mechanical and thermal design of the bypass condenser. This paper highlights the complexities in the design and performance of the bypass condenser. Similarities with the design and operation of steam surface condensers and feedwater heater are reviewed. The uniqueness of the bypass condenser’s design and operation are discussed and appropriate solutions to ensure proper performance are suggested.
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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-inundated and inundated conditions. In this paper, the outside condensation heat transfer coefficient and its sensitivity to inundation for a condenser tube of enhanced 3-dimensional (3D) outside fins were measured. Based on the single tube measurements, shell side condensation performance of a condenser bundle was predicted. The predicted bundle outside heat transfer coefficient has a reasonable agreement with that of a condenser tested in a 500-ton chiller.
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Ji, Wen-Tao, Chuang-Yao Zhao, Qi-Bin Dai, et al. "Experimental Study of Water Cooled Condenser Made of Three Dimensional and High Fin Density Integral-Finned Tubes." In ASME 2014 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/imece2014-39025.

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The thermo-hydraulic performance of two shell and tube condensers was investigated with an experimental approach. The experiment is conducted in a water cooled centrifugal chiller test rig. The condensers are made of three-dimensional (3-D) and high fin density integral-finned (2-D) tubes. 2-D and 3-D tubes all have the diameter of 3/4 inch (19mm). The 2-D tube has external fin density of 56fpi (fins per inch), fin height 1.023mm and 48 internal ribs per circle. The 3-D enhanced tube has the external fin density of 45fpi, fin height of 0.981mm and 45 internal ribs per circle. The 3-D tube is widely used in the water cooled chillers. 2-D tube is a newly designed surface with enhanced external fin density. Condensing heat transfer coefficient of R134a outside single horizontal tube is firstly tested at saturate temperature of 40°C. At the internal water velocity of 2.2m/s, the overall heat transfer coefficients of 2-D tube is in the range of 10364.7 to 12420.9W/m2K, 4.2% ∼ 9.0% higher than 3-D tube. External condensing heat transfer coefficient is 16.3% ∼ 25.2% higher than 3-D tube. The condensers are manufactured with these two types of tubes. Both condensers have the same geometric parameters except the tubes and tube bundle space. The length of tube in the condenser is 4000mm. The tube bundles are arranged in a staggered mode. For the integral-fin tube condenser, the longitudinal tube pitch of tube arrays is 23mm in rows and the transverse is 20mm. At the same power input and cooling water inlet temperature of 32°C, the cooling power of 2-D tube condenser are respectively of 1755.4kW and 1769.4kW; 3-D tube condenser is 1727.5kW and 1770.5kW. The pressure drop increased about 11.2% ∼ 15.9% for the 2-D tube condenser compared with 3-D tube condenser. Generally, the two condensers have the same heat transfer performance, while the integral-fin tube condenser saves 15% of copper material consumption.
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Zhu, Kai. "Experimental Research of Shell and Tube Condenser With the Middle Liquid Separation Structure." In ASME 2016 5th International Conference on Micro/Nanoscale Heat and Mass Transfer. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/mnhmt2016-6728.

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For the state of condensation in tube, liquid condensate separation in middle process can prolong the state of steam entrance region of higher heat transfer coefficient. It is called short-tube effect theory. Combined with the traditional condenser, a shell and tube condenser was designed for experiment research in this paper, and compared with the traditional condenser by opening liquid distribution pipes arranged in both sides of condenser. The results showed that liquid distribution pipes with different diameter have different condensation effect. Under the same steam flow rate of inlet, liquid distribution pipes with different combination of diameter and number indicated that its coefficient of heat transfer are higher than the traditional heat transfer by 14.2%, 15.5% and 25.1%. This result illustrated that heat exchange efficiency of a shell and tube condenser with liquid distribution pipes is better than a traditional condenser.
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Tagliamonte, Mark. "Condenser Refurbishment (Retube / Rebundle): Lost Opportunity." In 2012 20th International Conference on Nuclear Engineering and the ASME 2012 Power Conference. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/icone20-power2012-55125.

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Condenser Refurbishment Projects (Re-tube / Re-bundle) focus on a tube for tube replacement with or without tube sheet replacements or a modular tube bundle replacement. These projects are large capital investments for the owner and most of the time the justification and planning efforts are focused on extending the operating life of the power plant with the goal of a 3 to 5 year return on investment. The project planning focus is typically on addressing the immediate needs of rapid return of the unit to service, copper removal, condenser performance improvement (new material selection), and or adding additional steam condensing capacity to support a plant uprate. This paper addresses issues that are typically overlooked in the initial planning and budgeting for condenser refurbishment projects that can impact condenser performance, reliability, component maintainability, and schedule. As with all aging equipment a detailed assessment of a condenser’s condition should be performed to evaluate not only the tubes and tube sheets, but also the general conditions of support plates, shell, penetrations, spargers (Figure12), dump valves, high energy drains, thermal sleeves (Figure 1 and Figure 2), extraction steam bellows, impingement shields, and the non condensable off gas system to name a few. Also discussed are examples of problems encountered during some refurbishment projects and the implemented solutions.
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7

Soleimanikutanaei, Soheil, Esmaiil Ghasemisahebi, Cheng-Xian Lin, and Dexin Wang. "Off-Design Modeling of Shell and Tube Transport Membrane Condenser Heat Exchangers." In ASME 2017 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/imece2017-72495.

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Most of the industrial systems including the heat transfer equipment encounter with off-design conditions during their life cycles. Performance study for the off-design conditions is an important part of every industrial system which ensures the safety and efficiency of the systems for the various range of operating conditions. In this study numerical simulation of the shell and tube Transport Membrane Condenser (TMC) heat exchangers have been conducted for their off-design operating conditions. The shell and tube TMC heat exchangers have been manufactured by Gas Technology Institute (GTI) for heat and water recovery from high pressure and high water vapor content flow streams. Using a single-phase multi-component model and appropriate User Defined functions (UDFs) in the commercial software ANSYS-FLUENT software the condensation rate, heat and mass transfer inside the heat exchangers have been modeled. Finally, the performance of the shell and tube TMC heat exchangers for different inlet conditions of the cooling water and flue-gas streams has been investigated.
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Winterberger, Thomas P., and Ioannis Tzagkarakis. "Performance Corrections for Steam Turbines With Multi-Pressure Condensers." In ASME 2014 Power Conference. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/power2014-32177.

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An accurate correction methodology is essential when analyzing test data and trending performance. One of the most critical parameters for steam turbines, which can result in large corrections, is condenser back-pressure or exhaust pressure. Many large fossil and all nuclear steam turbines are configured with either two or three low pressure condensing exhaust hoods. All exhaust hoods may not operate with the same condenser pressure. Factors affecting condenser pressures between hoods could include the cooling water arrangement, uneven fouling, tube plugging, air removal effectiveness, etc. The biggest impact is likely due to the cooling water arrangement. In a parallel arrangement, the condenser cooling water splits between the shells with each shell receiving an equal amount of flow at the same inlet temperature. In a series arrangement, all cooling water enters and exits the first shell before entering the next shell. In this arrangement the cooling water temperature entering the second shell is higher than the temperature entering the first shell resulting in the condensers operating at different exhaust pressures. One common practice is to apply a single exhaust pressure correction factor based on the average exhaust pressure of all condenser shells. In cases where the differences in condenser pressure are small, this practice can provide accurate corrected turbine performance. As the difference in condenser pressures increases, the potential for introducing error in the corrected performance results also increases. This paper will discuss the mechanism of why multi-pressure operation can result in correction errors if not modelled correctly and will also quantify the potential impact of these errors on the corrected performance results. In addition, guidance will be given on how exhaust pressure correction curves should be created and applied to most accurately model the performance of the turbine cycle when multi-pressure operation exists.
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9

Haseli, Yousef, Greg Naterer, and Ibrahim Dincer. "Phase Change Irreversibility of a Steam-Mixture in a Shell and Tube Condenser." In 46th AIAA Aerospace Sciences Meeting and Exhibit. American Institute of Aeronautics and Astronautics, 2008. http://dx.doi.org/10.2514/6.2008-1196.

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10

Minner, Gene L., and Gerald Weber. "Predicting Performance of a Condenser With Plugged Tubes." In ASME 2005 Power Conference. ASMEDC, 2005. http://dx.doi.org/10.1115/pwr2005-50057.

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The electric power generated in a steam-power plant depends on condenser pressure. Plant performance personnel are frequently called upon to predict effects on megawatts generated and plant heat rate as condenser circumstances vary. The flow rate of circulating water to the condenser is one of the factors that impact the results when doing such predictions. This paper utilizes the PEPSE modeling program to evaluate the effect on the condenser back-pressure and power generation of plugging condenser tubes. The circulating water flow rate is the focal point of this analysis because it influences the heat transfer coefficient inside of the tubes of the condenser. This inside-tube convection heat transfer coefficient is an important contributor to the calculated overall condensing heat transfer coefficient and the resulting condenser pressure. Calculation of the condenser’s shell side pressure is based on the Heat Exchange Institute’s (HEI) methods that are standard in the industry. In operation the circulating water’s flow rate occurs at the point where the head of the circulating water pump balances the hydraulic pressure drops in the circuit. Equations are presented to account for circulating water pressure drops, as foundation for calculations of the hydraulic balancing. The equation methodology is then applied to an actual condenser design.
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Reports on the topic "Tube and Shell Condenser"

1

M. Cerza, R.C. Herron, and J.J. Harper. The Effect of Sink Temperature on a Capillary Pumped Loop Employing a Flat Evaporator and Shell and Tube Condenser. Office of Scientific and Technical Information (OSTI), 2002. http://dx.doi.org/10.2172/821698.

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Suda, Naoaki, Takashi Suzuki, Keisuke Uchida, Yasufumi Oguri, and Masakake Yoshida. Analysis of Performance in the Vapor Compression Refrigerator With Capillary Tube Condenser. SAE International, 2005. http://dx.doi.org/10.4271/2005-08-0468.

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Shen, Bo. Development of Wrapped-Tank Condenser Model (Round Tube and Microchannel), Coupled with Water Tank Model. Office of Scientific and Technical Information (OSTI), 2019. http://dx.doi.org/10.2172/1564229.

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Guentay, A. D. S. A model for the performance of a vertical tube condenser in the presence of noncondensable gases. Office of Scientific and Technical Information (OSTI), 1995. http://dx.doi.org/10.2172/107002.

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5

Demuth, O. J., C. J. Bliem, G. L. Mines, and W. D. Swank. Supercritical binary geothermal cycle experiments with mixed-hydrocarbon working fluids and a vertical, in-tube, counterflow condenser. Office of Scientific and Technical Information (OSTI), 1985. http://dx.doi.org/10.2172/6053602.

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6

Bliem, C. J., and G. L. Mines. Supercritical binary geothermal cycle experiments with mixed-hydrocarbon working fluids and a near-horizontal in-tube condenser. Office of Scientific and Technical Information (OSTI), 1989. http://dx.doi.org/10.2172/6532956.

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7

Bergles, A. E., M. K. Jensen, E. F. Somerscales, L. A. Jr Curcio, and R. R. Trewin. Enhanced shell-and-tube heat eschangers for the power and process industries. Final report. Office of Scientific and Technical Information (OSTI), 1994. http://dx.doi.org/10.2172/10176556.

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