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Journal articles on the topic 'Segmented baffle'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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1

Habib, M. A., A. M. Mobarak, M. A. Sallak, E. A. Abdel Hadi, and R. I. Affify. "Experimental Investigation of Heat Transfer and Flow Over Baffles of Different Heights." Journal of Heat Transfer 116, no. 2 (1994): 363–68. http://dx.doi.org/10.1115/1.2911408.

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The phenomenon of flow separation in ducts with segmented baffles has many engineering applications, for example, shell-and-tube heat exchangers with segmented baffles, labyrinth shaft seals, laser curtain seals, air-cooled solar collectors, and internally cooled turbine blades. In the present work, an experimental investigation has been done to study the characteristics of the turbulent flow and heat transfer inside the periodic cell formed between segmented baffles staggered in a rectangular duct. In particular, flow field, pressure loss, and local and average heat transfer coefficients were

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2

Sabu Kurian, Tide P Sunny, and Biju N. "The Effect of Baffle Configuration on Heat Transfer and Pressure Drop Characteristics of Jet Impingement System with Cross-Flow." Journal of Advanced Research in Fluid Mechanics and Thermal Sciences 86, no. 2 (2021): 15–27. http://dx.doi.org/10.37934/arfmts.86.2.1527.

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Use of baffles in jet impingement systems in presence of initial cross-flow disturbs boundary layer that results in rise in heat transfer. Two configurations of baffle assisted impingement systems were considered and a comparative study on heat transfer and pressure drop is carried out based on operating parameters such as baffle clearance, blow ratio and h/D ratio using commercially available CFD package. Numerical predictions showed that both heat transfer and pressure drop in segmented configuration were higher than louvered configuration for all blow ratio employed in this study. Parametri

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3

Saurabh, Sharma*1 &. Ritesh Kumar Dewangan2. "A REVIEW ON SHELL AND TUBE HEAT EXCHANGER (STHX) USING VARIOUS ORIENTATION ANGLE OF BAFFLE." INTERNATIONAL JOURNAL OF ENGINEERING SCIENCES & RESEARCH TECHNOLOGY 6, no. 10 (2017): 366–69. https://doi.org/10.5281/zenodo.1012545.

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This paper provides a review about major work done on design of Baffle plates and its different orientations to improve overall performance of shell and tube heat exchanger. Major factors which affect performance of shell and tube heat exchanger are shown in this paper and also comparisons between different baffle orientations are shown. Now a day’s most of research done on different orientation angles of baffle which gives improved performance over straight segmented baffle. In most cases, 40° baffle inclination angle as well as low baffle spacing will give the best results. Moreover, sealing

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4

Thufeil Ghifari, Dhimas Thufeil Ghifari, and Fauzun Fauzun. "Studi Numerik Kinerja Pendinginan Cold storage Dengan Variasi Konfigurasi Baffle Dan Pengaturan Gap/Stacking Palet Produk." Prosiding TAU SNARS-TEK Seminar Nasional Rekayasa dan Teknologi 2, no. 1 (2023): 89–99. http://dx.doi.org/10.47970/snarstek.v2i1.508.

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Salah satu penanganan pasca panen yang penting pada komoditas hortikultura adalah dengan penyimpanan dingin/cold storage. Studi ini dilakukan untuk melakukan validasi dan variasi terhadap studi experimental cold storage yang berisi komoditas buah apel berkapasitas 5 ton. Geometri cold storage, tata letak produk, dan tata letak evaporator mempengaruhi distribusi temperatur dan aliran udara di dalam cold storage. Penelitian diawali dengan pemodelan geometri cold storage secara tiga dimensi dan penyederhanaan model dengan perangkat lunak Computer Aided Design (CAD). Selanjutnya dilakukan meshing

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5

Song, Su Fang. "Performance Study of Heat Exchangers with Continuous Helical Baffles on Different Inclination Angles." Advanced Materials Research 655-657 (January 2013): 461–64. http://dx.doi.org/10.4028/www.scientific.net/amr.655-657.461.

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The three-dimensional model of heat exchangers with continuous helical baffles was built. The fluid flow dynamics and heat transfer of shell side in the helical baffled heat exchanger were simulated and calculated. The velocity, pressure and temperature distributions were achieved. The simulation shows that with the same baffle pitch, shell-side heat transfer coefficient increased by 25% and the pressure drop decreases by 18% in helical baffled heat exchanger compared with segmental helical baffles. With the analyzing of the flow and heat transfer in heat exchanger in 5 different inclination a

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6

Sun, Hai Yang, and Cai Fu Qian. "Experimental Study of Pressure Drop and Heat Transfer of Heat Exchangers with LASH Baffles." Advanced Materials Research 199-200 (February 2011): 1523–27. http://dx.doi.org/10.4028/www.scientific.net/amr.199-200.1523.

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LASH or large-and-small-hole baffle is a new kind of baffle which induces axial flow in the shell-side of heat exchangers. In this paper, pressure drop and heat transfer of heat exchangers with LASH baffles were experimentally studied and compared with those in common heat exchangers with segmental baffle. It is founded that compared with the segmental baffles, pressure drops caused by LASH baffles are greatly decreased. Although the shell-side heat transfer coefficient with the LASH baffles is decreased, more comprehensive performance for heat exchangers with LASH baffles can be achieved.

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7

Hu, Bao, Hongjiao Liu, and Mei Jin. "Numerical Simulation of Thermo-hydraulic Behaviour of Shell and Tube Heat Exchanger Equipped with Segmental Baffle and Helical Baffle." Journal of Physics: Conference Series 2584, no. 1 (2023): 012050. http://dx.doi.org/10.1088/1742-6596/2584/1/012050.

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Abstract The baffle type and structure are critical to enhancing the comprehensive thermo-hydraulic behavior of shell-and-tube heat exchangers (STHX). In the study, Solidworks software was used to establish three-dimensional mesh models of STHX equipped with the segmental baffle and the continuous helical baffle, respectively. ANSYS software was adopted to study the effects of the baffle type and the baffle geometric parameters on the thermo-hydraulic characteristic of STHXs using the pressure drop of the shell side, the coefficient of heat transfer and isobaric JFP factor as the evaluation ch

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8

Wang, Yue, Ruochen Wang, Ruiqian Chai, et al. "Review of Automotive Thermoelectric Generator Structure Design and Optimization for Performance Enhancement." Processes 13, no. 6 (2025): 1931. https://doi.org/10.3390/pr13061931.

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Thermoelectric generator (TEG) has emerged as a critical technology for automotive exhaust energy recovery, yet there is still a lack of reviews analyzing automotive TEG structure design and optimization methods simultaneously. Therefore, this review consolidates structure design and methods for improving thermoelectric conversion efficiency, focusing on three core components: thermoelectric module (TEM), heat exchanger (HEX), and heat sink (HSK). For TEM, research and development efforts have primarily centered on material innovation and structural optimization, with segmented, non-segmented,

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9

Vasekar, Sukhadeo S., Sandeep S. Kore, and Avinash M. Pawar. "Optimized Design of Shell and Tube Heat Exchanger with Segmental Baffles." Energy and Environment Focus 7, no. 3 (2023): 249–56. http://dx.doi.org/10.1166/eef.2023.1289.

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Heat exchangers are the apparatus which is widely used in various industries. They transmit heat among two or more fluid streams. Theoretical analysis done by Kern’s method has been done on Shell and tube heat exchanger with segmental baffle and then experimented in CFD to check Heat Transfer rate and pressure drop with varying number of baffles which is 6, 8 and 10, and by keeping all the rest of parameters constant. It is found that as the number of baffles increase heat transfer rate increases also pressure drop is increases significantly. To optimize model in next step, CFD analysis is has

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10

Zheng, Can, Fei Wang, and Yong Gang Lei. "Numerical Simulation of a Shell-and-Tube Heat Exchanger with Special Form Helical Baffles." Advanced Materials Research 860-863 (December 2013): 754–57. http://dx.doi.org/10.4028/www.scientific.net/amr.860-863.754.

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A new type of helical baffles heat exchanger is presented in this paper. Comparative study, through numerical simulation, was undertook between the new helical baffles heat exchanger and segmental baffle board heat exchanger in shell side flow and heat exchange characteristics. Fluid medium in the shell side is air. At the same velocity in the same flow conditions, pressure drop of helical baffles heat exchangers fell by an average of 26.8% compared with segmental baffle board heat exchangers, and the unit pressure drop of the heat transfer ratio of helical baffles heat exchanger increased by

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11

Lai, Hui. "Numerical Study of Flow and Heat Transfer of Heat Exchanger with Louver Baffles." Applied Mechanics and Materials 721 (December 2014): 174–77. http://dx.doi.org/10.4028/www.scientific.net/amm.721.174.

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This paper presents a heat exchanger of louver baffle, the establishment of a three-dimensional model, research by numerical simulation of flow and heat transfer performance of the heat exchanger baffles different louver angle, and analyzes its local temperature, and evaluated for its overall performance. The results show that louver baffle heat exchanger avoids the existence of traditional segmental baffle heat exchanger problem after baffle local flow dead zone; compared with conventional segmental baffle heat exchanger, louver baffle heat exchanger greatly reduces the heat exchanger shell s

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12

Tanujaya, Harto, and Steven Darmawan. "Investigation of Flow of the Disc-and-Doughnut Baffles and 40% Cut Segmental Baffles." International Journal of Heat and Technology 39, no. 5 (2021): 1541–48. http://dx.doi.org/10.18280/ijht.390516.

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Heat exchanger is usually used in manufacturing process. At present, many researchers have efforts to increase the performance of the heat exchanger with less of the cost. This research discussed about the performance of heat exchanger using 40% cut segmental baffles compared with modified double segmental baffles disc-and-doughnut type. In this study, the investigation of the computational results consisted of heat flux, velocity profile along the heat exchanger, pressure distribution and, theoretical heat transfer coefficient and heat exchanger effectiveness. The model was calculated using f

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13

Mohammad, Musaddiq. "A CFD Analysis of Shell and Tube Heat Exchanger with Segmental Baffles." International Journal for Research in Applied Science and Engineering Technology 13, no. 4 (2025): 1015–23. https://doi.org/10.22214/ijraset.2025.68398.

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A single-pass shell-and-tube heat exchanger with segmental baffles has been analyzed numerically. The study focuses on the crucial aspects of heat transfer and flow patterns, which are numerically investigated by varying the number of baffles. The standard k-e model is employed to solve the problem, and numerical simulations are conducted for three cases of baffle spacing with a square bundle of tubes. Using a commercial computational fluid dynamics (CFD) solver, the study obtains numerical solutions by solving the three-dimensional continuity, momentum, energy, and turbulence (k-ε) equations.

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14

Peng, B., Q. W. Wang, C. Zhang, et al. "An Experimental Study of Shell-and-Tube Heat Exchangers With Continuous Helical Baffles." Journal of Heat Transfer 129, no. 10 (2007): 1425–31. http://dx.doi.org/10.1115/1.2754878.

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Two shell-and-tube heat exchangers (STHXs) using continuous helical baffles instead of segmental baffles used in conventional STHXs were proposed, designed, and tested in this study. The two proposed STHXs have the same tube bundle but different shell configurations. The flow pattern in the shell side of the heat exchanger with continuous helical baffles was forced to be rotational and helical due to the geometry of the continuous helical baffles, which results in a significant increase in heat transfer coefficient per unit pressure drop in the heat exchanger. Properly designed continuous heli

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15

Naqvi, S. M. A., and Qiuwang Wang. "Numerical Comparison of Thermohydraulic Performance and Fluid-Induced Vibrations for STHXs with Segmental, Helical, and Novel Clamping Antivibration Baffles." Energies 12, no. 3 (2019): 540. http://dx.doi.org/10.3390/en12030540.

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The most extensively used heat exchanger in numerous research fields and industrial processes is the shell and tube heat exchanger. The selection of the baffle plays a vital role to regulate and increase the thermohydraulic performance and also to decrease fluid-induced vibrations due to shell side flow. 3-D computational fluid dynamics (CFD) and fluid-structure interaction (FSI) have been done to analyze the pressure drop, heat transfer coefficient, vortex shedding, and tube deformation due to induced vibrations among the recently developed clamping antivibration baffles with square twisted t

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16

Rahman, Aulia, Winarto Winarto, and Eko Siswanto. "OPTIMIZATION OF SHELL AND TUBE HEAT EXCHANGER DESIGN WITH INCLINED BAFFLES." International Journal of Mechanical Engineering Technologies and Applications 5, no. 1 (2024): 63–72. http://dx.doi.org/10.21776/mechta.2024.005.01.7.

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Shell and tube heat exchanger (STHeX) design development continues to be carried out to increase the effectiveness of a system. One way is to investigate the optimal baffle design. The new structure of STHeX with Inclined-Segmental Baffles is further investigated. The experiment was carried out using the numerical method Computing Fluid Dynamics (CFD) software with three-dimensional modeling. The results show that the heat change coefficient value is lower than conventional STHeX, However, the pressure drop value is reduced quite significantly. Therefore, it is necessary to know the overall he

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17

Youcef, Ahmed, Rachid Saim, Hakan F. Öztop, and Mohamed Ali. "Turbulent forced convection in a shell and tube heat exchanger equipped with novel design of wing baffles." International Journal of Numerical Methods for Heat & Fluid Flow 29, no. 6 (2019): 2103–27. http://dx.doi.org/10.1108/hff-12-2018-0754.

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Purpose This work presents a numerical study of the dynamic and thermal behavior of a turbulent flow in a shell and tube heat exchanger equipped with a new design of baffle type wing. The implementation of this type of baffle makes it possible to lengthen the path of the fluid in the shell, to increase the heat flux exchanged on the one hand and is to capture the weakness of the shell and tube heat exchanger with segmental baffles on the other hand. Design/methodology/approach This paper aims to analyze numerically the thermo-convective behavior of water using CFD technique by solving the cons

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18

Tanujaya, Harto, Steven Darmawan, and Jason Prathana. "Numerical Analysis of Single Segmental Baffles Cut Angle of 0, 15 and 30." International Journal of Application on Sciences, Technology and Engineering 1, no. 1 (2023): 204–9. http://dx.doi.org/10.24912/ijaste.v1.i1.204-209.

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A heat exchanger (HE) is usually used as one of the equipment in the manufacturing process. The efficiency of the HE is improved to reduce the operating cost. This research examined the baffles with 00, 150, and 300 angle cutting shapes. Parameters are used to calculate temperature (K), velocity (m/s), and pressure distribution (Pa). The fluids that are used in the system of one phase and liquid (water) – liquid (water). The purpose of the study was to obtain the phenomena of the velocity and pressure distribution with the variation of the baffles with angle cutting shape. The velocity of the

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19

Malik, F. Elmzughi, A. Elhaj Mohammed, and I. Dekam Elhadi. "Shell tube exchanger parametric investigation and performance simulation using ansys." i-manager's Journal on Mechanical Engineering 13, no. 4 (2023): 13. http://dx.doi.org/10.26634/jme.13.4.20072.

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Heat exchangers with shells and tubes are widely employed in the chemical, power generating, and petroleum refining industries. A three-dimensional simulation of a shell and tube heat exchanger with segmental baffles was performed in this paper. The research involves the use of commercial code such as ANSYS CFX, MATLAB, and Solid-Work, which incorporate modeling, meshing, and the use of finite element techniques to produce numerical results. The results have been achieved in transient situations. The purpose of this paper is to optimize and analyse temperature drops, pressure drops in side she

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20

Yu, Lebin, Huifang Li, Tong Wang, Caifu Qian, and Zhiwei Wu. "Study on Shell-Side Heat Transfer Enhancement Using Cinquefoil Orifice Mixed-Flow Baffle." Journal of Physics: Conference Series 2845, no. 1 (2024): 012050. http://dx.doi.org/10.1088/1742-6596/2845/1/012050.

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Abstract For traditional heat exchangers, segmental baffles form a “dead zone” on the leeward side of the baffle, reducing heat transfer efficiency and causing significant pressure loss in the shell side. In response to these issues, this paper proposed a new type of baffle—the cinquefoil orifice mixed-flow baffle which introduces cinquefoil orifices on the segmental baffle. This design retains some cross-flow while also inducing longitudinal jet-flow as the fluid passes through the cinquefoil orifice. Numerical results found that the cinquefoil orifice baffle not only reduces the adverse effe

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21

YOUSFI, Mahdia. "Helical Baffle Thermohydraulic Performance Versus Segmental Baffle One." Mechanics 28, no. 6 (2022): 455–61. http://dx.doi.org/10.5755/j02.mech.31096.

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In this contribution, we reworked the Bell-Delaware technique for a HB-STHX to systematically study its thermohydraulic performance behavior in the shell side. The helical baffles are continuous quadrant sectors with five inclination angles 25°, 30°, 35°, 40° and 45° and are exanimated for six different values of Reynolds number from up to 40 . We have observed an increase in global heat transfer rate while a decrease in pressure loss, in continuous helical baffle case compared to segmental one. we have found that the baffle inclination 40° has the largest heat transfer coefficient, 25° gives

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22

Md., Tofazzal Hossain, and Saha Badhan. "Optimization of Thermal Performance of a Segmental Baffle Shell and Tube Heat Exchanger under Different Baffle Spaces and Baffle Numbers: A Numerical Case Study Using CFD." Journal of Advanced Research in Industrial Engineering 3, no. 2 (2021): 1–15. https://doi.org/10.5281/zenodo.5526489.

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<em>In the fields of engineering, heat exchanger devices play an important role in multipurpose thermal engineering processes related to power generation and transformation of energy in the industrial arena. Nowadays, the optimization of the design and modeling of a shell and tube heat exchanger has become an engineering challenge. In this paper, a shell and tube heat exchanger with segmental baffles and hexagonal arrangement of 19 tubes have been designed and studied with the help of the commercial software package ANSYS FLUENT 18.1. Numerous attempts have been performed to seek out the effec

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Badhan, Saha, and Tofazzal Hossain Md. "Impact of Baffle Spaces and Baffle Numbers on Pressure Drop and Heat Transfer in a Shell and Tube Heat Exchanger: A CFD Analysis." Advancement in Mechanical Engineering and Technology 4, no. 3 (2021): 1–14. https://doi.org/10.5281/zenodo.5554099.

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<em>Numerical investigation using commercial software ANSYS FLUENT has been conducted on a single pass shell and single pass tube heat exchanger with a different number of segmental baffles and baffle spacing. The optimization of a shell and tube heat exchanger varies with the achieved heat transfer rate with a negligible amount of power consumption. The heat transfer rate becomes higher at a certain limit of baffle space and baffle number. However, in consequence, the pressure loss also increases with the increase of heat transfer rate. The main motive of this investigation is to seek out the

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Wu, Jinxing, Chenxu Wang, Shengguang Lu, and Jiawen Li. "Shell and tube heat exchanger numerical simulation employing helical baffles and self-support finned combination." Thermal Science, no. 00 (2025): 105. https://doi.org/10.2298/tsci250321105w.

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To overcome the defect of reduced comprehensive performance caused by the installation of central tube in helical baffle heat exchanger (STHX-HBCT), a novel heat exchanger employing helical baffles and self-support finned tube (STHX-HBST) was proposed in this study. Numerical simulations were conducted to compare the thermal and hydraulic performance of shell and tube heat exchanger with segmental baffle (STHX-SG), STHX-HBCT, the helical baffle heat exchanger (STHX-HB). The results show that STHX-HBST has superior comprehensive performance (EEC) compared to the other three types STHXs. The eff

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25

Rahmah, Linta Atina, Devy Setiorini Sa’adiyah, and Sulistijono Sulistijono. "Analyze The Effects of Helical Baffles Angles Variation On Shell Side Heat Transfer Coefficient And Pressure Drop of Shell And Tube Heat Exchange." SPECTA Journal of Technology 2, no. 1 (2019): 43–52. http://dx.doi.org/10.35718/specta.v2i1.94.

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E-201-11 is one of the components of heat exchanger which serves to increase the temperature of distillated crude oil before it going into the furnace. The use of segmental baffles on the heat exchanger causes dead zone. The fouling phenomenon that arises from the deposition of the compound content in the service fluid in dead zone can result in leakage of the shell and tube. It affects the performance of heat exchanger and production efficiency. The use of discontinuous helical baffle on the shell side minimizes fouling. Research on the variation of helical baffle angle by using Bell-Delaware

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26

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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Salin, Alexey. "Mathematical modeling and comparative analysis of baffle types in heat exchange equipment." E3S Web of Conferences 592 (2024): 01012. http://dx.doi.org/10.1051/e3sconf/202459201012.

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The development of digital technologies has significantly increased the effectiveness of production and research, especially in the oil and gas industry, where mathematical modeling plays a significant role in equipment design. This paper presents research aimed at developing digital twins of process equipment and focuses on heat exchangers with different types of baffles. The main focus is on comparing the effectiveness of segmental, helical, spiral and disk-ring type baffles as well as tube finning for heat transfer intensification. Numerical experiments using ANSYS CFX for modeling of hydro

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Abbasian Arani, Ali Akbar, and Hamed Uosofvand. "Improving shell and tube heat exchanger thermohydraulic performance using combined baffle." International Journal of Numerical Methods for Heat & Fluid Flow 30, no. 8 (2019): 4119–40. http://dx.doi.org/10.1108/hff-06-2019-0514.

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Purpose This paper aims to investigate the fluid flow and heat transfer of a laboratory shell and tube heat exchanger that are analyzed using computational fluid dynamic approach by SOLIDWORKS flow simulation (ver. 2015) software. Design/methodology/approach In this study, several types of baffle including segmental baffle, butterfly baffle, helical baffle, combined helical-segmental baffle, combined helical-disk baffle and combined helical-butterfly baffle are examined. Two important parameters as the heat transfer and pressure drop are evaluated and analyzed. Based on obtained results, segme

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Mohanty, S., and R. Arora. "CFD Analysis of a Shell and Tube Heat Exchanger with Single Segmental Baffles." International Journal of Automotive and Mechanical Engineering 17, no. 2 (2020): 7890–901. http://dx.doi.org/10.15282/ijame.17.2.2020.08.0589.

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In this investigation, a comprehensive approach is established in detail to analyse the effectiveness of the shell and tube heat exchanger (STE) with 50% baffle cuts (Bc) with varying number of baffles. CFD simulations were conducted on a single pass and single tube heat exchanger(HE) using water as working fluid. A counterflow technique is implemented for this simulation study. Based on different approaches made on design analysis for a heat exchanger, here, a mini shell and tube exchanger (STE) computational model is developed. Commercial CFD software package ANSYS-Fluent 14.0 was used for c

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Aydin, Ahmet, Halit Yaşar, Tahsin Engin, and Ekrem Büyükkaya. "Optimization and CFD analysis of a shell-and-tube heat exchanger with a multi segmental baffle." Thermal Science, no. 00 (2020): 293. http://dx.doi.org/10.2298/tsci200111293a.

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The Shell-and-tube type heat exchangers have long been widely used in many fields of industry. These types of heat exchangers are generally easy to design, manufacturing and maintenance, but require relatively large spaces to install. Therefore the optimization of such heat exchangers from thermal and economical points of view is of particular interest. In this article, an optimization procedure based on the minimum total cost (initial investment plus operational costs) has been applied. Then the flow analysis of the optimized heat exchanger has been carried out to reveal possible flow field a

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Zahid, Hamid, Abdullah Mubashar, Muhammad Waqas, Muhammad Siddiqi, Umair Munir, and Syed Naqvi. "Experimental and CFD simulation study of shell and tube heat exchangers with different baffle segment configurations." Thermal Science, no. 00 (2022): 75. http://dx.doi.org/10.2298/tsci220124075z.

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Shell and tube heat exchanger (STHX) is an implement that has tremendous applications in numerous industrial processes and research areas. In this study, the commercial software ANSYS is used for 3-D computational fluid dynamics (CFD) to compare the thermo-hydraulic performance of STHXs with recently developed tri-angular (TRI) baffles, and tri-flower (TF) baffles with conventional segmental (SG) baffles at different flow rates. Simulations have been performed to analyze the heat transfer coefficient, pressure drop, and overall thermo-hydraulic performance among the recently developed TRI-STHX

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Ariwibowo, Teguh Hady, Prima Dewi Permatasari, Novan Ardhiyangga, and Sugit Triyono. "Studi Eksperimen Karakteristik Shell-And-Tube Heat Exchanger Dengan Variasi Jenis Baffle Dan Jarak Antar Baffle." JURNAL ILMU FISIKA | UNIVERSITAS ANDALAS 8, no. 2 (2017): 87–97. http://dx.doi.org/10.25077/jif.8.2.87-97.2016.

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Shell-and-Tube Heat Exchanger merupakan jenis penukar kalor yang banyak digunakan di pembangkit dan pengolahan minyak. Namun, peningkatan performa penukar kalor ini perlu dilakukan dengan cermat karena alirannya yang kompleks didalam shell. Penelitian ini mengkaji peningkatan performa dalam bentuk koefisien perpindahan panas total dan efektivitas dengan melakukan variasi jenis baffle (single segmental dan triple segmental) dan baffle spacing (5 cm dan 10 cm) menggunakan pendekatan eksperimen dan numerik. Penukar kalor diuji pada laju massa 0,033; 0,066; 0,099; 0,133; dan 0,166 kg/s. Pada varia

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Xu, Zhe, Yingqing Guo, Haotian Mao, and Fuqiang Yang. "Configuration Optimization and Performance Comparison of STHX-DDB and STHX-SB by A Multi-Objective Genetic Algorithm." Energies 12, no. 9 (2019): 1794. http://dx.doi.org/10.3390/en12091794.

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Based on the thermohydraulic calculation model verified in this study and Non-dominated Sorted Genetic Algorithm-II (NSGA-II), a multi-objective configuration optimization method is proposed, and the performances of shell-and-tube heat exchanger with disc-and-doughnut baffles (STHX-DDB) and shell-and-tube heat exchanger with segmental baffles (STHX-SB) are compared after optimization. The results show that, except in the high range of heat transfer capacity of 16.5–17 kW, the thermohydraulic performance of STHX-DDB is better. Tube bundle diameter, inside tube bundle diameter, number of baffles

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Sivamani, Seralathan, Murugan M., Hariram Venkatesan, and Micha Premkumar T. "Effect of flow rates on segmental baffle shell and tube heat exchanger using CuO-W nanofluids." World Journal of Engineering 17, no. 1 (2020): 115–26. http://dx.doi.org/10.1108/wje-10-2019-0285.

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Purpose Nanofluid exhibits higher density, higher viscosity, higher thermal conductivity and reduced specific heat capacity along with improved heat transfer characteristics. It is comparatively better than conventional fluids in terms of thermo-physical properties. This paper aims to investigate experimentally the overall performance of the shell and tube heat exchanger operated under two different configurations – without baffles (STHX_1) and with baffles (STHX_2) using 0.01 Vol.% and 0.02 Vol.% of CuO-W nanofluid. Design/methodology/approach Two different configurations, one without baffles

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Safi'i, Muhamad, Suheri Suheri Kertosenjoyo2, Agung Nugroho, et al. "KAJI EKSPERIMEN DAN SIMULASI PENGARUH SUDUT DOUBLE SEGMENTAL BAFFLE DAN LAJU ALIRAN FLUIDA PADA HEAT EXCHANGER JENIS SHELL AND TUBE PADA MESIN MAIN EXTRUDER TERHADAP KEBAIKAN PERPINDAHAN PANAS." Device 14, no. 1 (2024): 92–99. http://dx.doi.org/10.32699/device.v14i1.6989.

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Shell and Tube Heat Exchanger (STHX) is very important for its use in the industrial world which can support the continuity and success of the entire network process. Various kinds of research have been carried out to increase the heat transfer coefficient and effectiveness of Shell and Tube Heat Exchangers (STHX) both experimentally and by simulation. This research examines the increase in heat change coefficient and effectiveness of STHX with variations in baffle angles of 0°, 10°, and 20° with fluid mass flow rates of 2, 4, and 6 kg/s. As a result, STHX with a baffle angle of 0° has the lar

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Sun, Yue, Xinting Wang, Rui Long, Fang Yuan, and Kun Yang. "Numerical Investigation and Optimization on Shell Side Performance of A Shell and Tube Heat Exchanger with Inclined Trefoil-Hole Baffles." Energies 12, no. 21 (2019): 4138. http://dx.doi.org/10.3390/en12214138.

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In this work, a shell and tube heat exchanger with inclined trefoil-hole baffles (STHX-IT) is proposed, and the numerical simulation is conducted to investigate the flow and heat transfer characteristics. A shell and tube heat exchanger with segmental baffles (STHX-SG) is also studied for the performance comparison. The results show that the heat transfer coefficient and pressure drop of the STHX-IT is averagely lower by 23.89% and 44.19% than those of the STHX-SG, but the heat transfer coefficient per pressure drop is higher by 36.38% on average. Further, the parametric studies of the inclina

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Lee, Jae Hoon, Si Pom Kim, and Seong Jun Kim. "A Study on the Heat Transfer in Shell and Tube Heat Exchanger with Various Baffle Types." Applied Mechanics and Materials 727-728 (January 2015): 453–58. http://dx.doi.org/10.4028/www.scientific.net/amm.727-728.453.

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Recently, variousresearches and developments of heat exchangers with high thermal efficiencyhave been in progress to save energy. Baffles are used as design variables in a way that enhancesheat transfer performance of shell and tube heat exchanger. There have beenvarious of researches and developments in the relations between baffles andheat transfer performance. Existing studies on shell and tube heat exchangersare mainly about heat transfer properties of either segmental type baffles orhelical baffles. However, there is inadequateof study with comparisons between the two types ofbaffles. Thu

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Zhang, Lu Hong, You Mei Xia, and Bin Jiang. "Experimental Study of Large-Shell-Diameter Heat Exchangers with Small-Helix-Angles Non-Continuous Helical Baffles." Advanced Materials Research 468-471 (February 2012): 1789–93. http://dx.doi.org/10.4028/www.scientific.net/amr.468-471.1789.

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In this paper, experimental performance comparison of shell heat transfer is made between shell and tube heat exchangers (STHXs) with segmental baffles and non-continuous helical baffles. The helical angles contain 7°, 13°, 25°, which are smaller than the experiment made before. The experiment is carried out in the large-scale experimental equipment with the inner shell diameter, 500 mm and effective tube length, 6 m., which is larger than the previous experimental setup in the scale. The results indicate that the shell side heat transfer rate per unit pressure drop of non-continuous helical b

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Kharisma, Aji Abdillah, and Wisnu Malik Pangestu. "Pengaruh Variasi Baffle Spacing dan Flow Rate Terhadap Efektifitas Heat Exchanger Shell and Tube Menggunakan Metode NTU (Number of Transfer Unit) dan HTRI." Jurnal Rekayasa Mesin 21, no. 1 (2021): 07–12. http://dx.doi.org/10.36706/jrm.v21i1.70.

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Penelitian dilakukan dengan mendesain ulang heat exchanger berjenis shell-and-tube unit MOES C yang digunakan PT. Krakatau Steel untuk mendinginkan Rolling Mill 5-6, menggunakan aplikasi HTRI bertujuan mencari nilai efektivitas tertinggi dari standar yang ditetapkan ( E> 0,5). Tipe alirannya adalah counterflow, baffle bertipe double segmental, tubepasses berjumlah dua pass dengan fluida air dari cooling tower pada tube-side dan fluida oli Turalik 52 pada shell-side, serta ditetapkan variasi baffle spacing 60 mm, 90 mm, dan 100 mm, lalu variasi flow rate 5,716 kg/s, 5,781 kg/s, dan 5,808 kg/

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Chudasama, Jaydip. "Reviewing the Impact of Helical Baffles on Heat Exchanger Performance." International Journal for Research in Applied Science and Engineering Technology 12, no. 7 (2024): 766–71. http://dx.doi.org/10.22214/ijraset.2024.63646.

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Abstract: This study investigates the thermal and hydraulic performance of helical baffles in shell-and-tube heat exchangers, comparing them to traditional segmental baffles. Helical baffles create a continuous helical flow path, enhancing heat transfer by increasing turbulence and reducing dead zones and fouling. Our research, incorporating numerical simulations and experimental data, confirms the superior efficiency of helical baffles. Key findings include a significant improvement in heat transfer coefficients and a reduction in pressure drop, leading to lower pumping power requirements. Th

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Arun, V. "Numerical Investigation of heat transfer and pressure drop in shell and tube heat exchangers with segmental and helical baffles." Recent Trends in Automation and Automobile Engineering 5, no. 2 (2022): 1–17. https://doi.org/10.5281/zenodo.7151667.

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<em>A numerical study focusing on the performance of shell and tube heat exchanger for the different fluid combinations was carried out and the predictions were compared with available experimental data in the literature. The thermal performance of a shell and tube heat exchanger (STHX) was found to be influenced not only by inlet temperature, velocity, baffle size, spacing and count, but also by the direction of flow, nature of fluids in shell/tube, turbulence and the flow induced vibration during the operation. In this work, the influence of fluid properties on the heat transfer rate and the

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Wang, Qiu-wang, Gong-nan Xie, Bo-tao Peng, and Min Zeng. "Experimental Study and Genetic-Algorithm-Based Correlation on Shell-Side Heat Transfer and Flow Performance of Three Different Types of Shell-and-Tube Heat Exchangers." Journal of Heat Transfer 129, no. 9 (2006): 1277–85. http://dx.doi.org/10.1115/1.2739611.

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The heat transfer and pressure drop of three types of shell-and-tube heat exchangers, one with conventional segmental baffles and the other two with continuous helical baffles, were experimentally measured with water flowing in the tube side and oil flowing in the shell side. The genetic algorithm has been used to determine the coefficients of correlations. It is shown that under the identical mass flow, a heat exchanger with continuous helical baffles offers higher heat transfer coefficients and pressure drop than that of a heat exchanger with segmental baffles, while the shell structure of t

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Khan, Sabuddin, H. C. Thakur, and Nazeem Khan. "A Computational Fluid Dynamic Study of Shell and Tube Heat Exchanger Using (CuO, Al₂O₃, TiO₂)-Water Nanofluids." Advanced Science, Engineering and Medicine 12, no. 12 (2020): 1462–67. http://dx.doi.org/10.1166/asem.2020.2585.

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The Nusselt number for a Shell and tube Heat Exchanger with segmental baffles for different nanofluids, for different mass flow rate are discussed in the present paper. A shell and tube heat exchanger with 7 tubes and 4 segmental baffles modelling is done using SOLIDWORKS and simulation is done by the Computational Fluid Dynamic (CFD) software; ANSYS-FLUENT. By using Fluent, computational fluid dynamics software the heat transfer coefficient and various heat characteristics of Al2O3–H2O, TiO2–H2O and CuO–H2O for 1% volume of concentration nanofluids are estimated in the Shell and Tube Heat Exc

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Al-Atabi, Mushtak, S. B. Chin, and X. Y. Luo. "FLOW STRUCTURE IN CIRCULAR TUBES WITH SEGMENTAL BAFFLES." Journal of Flow Visualization and Image Processing 12, no. 3 (2005): 301–11. http://dx.doi.org/10.1615/jflowvisimageproc.v12.i3.60.

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Prasanthi, Y. Aruna. "Design and Thermal Analysis of Segmental baffle and Helical baffle in Shell and Tube Heat Exchangers using Kern method." International Journal of Advanced Engineering Research and Science 3, no. 11 (2016): 12–18. http://dx.doi.org/10.22161/ijaers/3.11.3.

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Singh, Amarjit, and Satbir S. Sehgal. "Thermohydraulic Analysis of Shell-and-Tube Heat Exchanger with Segmental Baffles." ISRN Chemical Engineering 2013 (September 5, 2013): 1–5. http://dx.doi.org/10.1155/2013/548676.

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In this study, the experimental analysis was performed on the shell-and-tube type heat exchanger containing segmental baffles at different orientations. In the current work, three angular orientations (θ) 0°, 30°, and 60° of the baffles were analyzed for laminar flow having the Reynolds number range 303–1516. It was observed that, with increase of Reynolds number from 303 to 1516, there was a 94.8% increase in Nusselt number and 282.9% increase in pressure drop. Due to increase of Reynolds number from 303 to 1516, there is a decrease in nondimensional temperature factor for cold water (ω) by 5

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Liu, Shijie, Aimin Tu, Yufei Li, and Dongsheng Zhu. "Optimization Design and Comparative Analysis of Enhanced Heat Transfer and Anti-Vibration Performance of Twisted-Elliptic-Tube Heat Exchanger: A Case Study." Energies 16, no. 17 (2023): 6336. http://dx.doi.org/10.3390/en16176336.

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The intercooler is a crucial component of the rich gas compressor. Due to the shortcomings of the conventional segmental baffle intercooler, an optimization design of the novel industrial-grade twisted-elliptic-tube intercooler is proposed. This study aims to compare the heat-transfer performance of these two types of intercoolers in a delayed coking unit at Sinopec. During the plant revamp operation, the original segmental baffle intercooler was replaced by the novel twisted-elliptic-tube intercooler. Experimental determination and comparison analysis of the industrial locale operation of the

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Gowthaman, P. S. "Analysis of Segmental and Helical Baffle in Shell and tube Heat Exchanger." International Journal of Current Engineering and Technology 2, no. 2 (2010): 625–28. http://dx.doi.org/10.14741/ijcet/spl.2.2014.119.

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Zou, Jia Zhu, Feng Wei Yuan, and Liang Bin Hu. "Analyses on Effect of Helix Angle on the Continuous Helical Baffles Heat Exchanger." Advanced Materials Research 1008-1009 (August 2014): 901–5. http://dx.doi.org/10.4028/www.scientific.net/amr.1008-1009.901.

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A numerical simulation for heat exchanger with continuous helical baffles was carried out. The study focuses on the effects of helix angle on heat transfer characteristics. The results show that both the shell-side heat transfer coefficient and pressure drop decrease with the increase of the helix angle at certain mass flow rate. The latter decreases more quickly than the former. The tangential velocity distribution on shell-side cross section is more uniform with continuous helical baffles than with segmental baffles. The axial velocity at certain radial position decreases as the helix angle

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Zhang, Jian-Fei, Shao-Long Guo, Zhong-Zhen Li, Jin-Ping Wang, Ya-Ling He, and Wen-Quan Tao. "Experimental performance comparison of shell-and-tube oil coolers with overlapped helical baffles and segmental baffles." Applied Thermal Engineering 58, no. 1-2 (2013): 336–43. http://dx.doi.org/10.1016/j.applthermaleng.2013.04.009.

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