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Heat transfer enhancement of double pipe heat exchanger

Heat transfer enhancement of double pipe heat exchanger Heat transfer enhancement of double pipe heat exchanger

Rotation of inner pipe of the double pipe heat exchanger enhances the heat transfer rate and the performance of the heat exchanger especially at low Reynolds number. Nusselt number is affected by rotation where it increased by 491% at low velocity and by 120% at high velocity compared to the stationary condition.(pipe) How does a double pipe heat exchanger work?How does a double pipe heat exchanger work?Abou-Ziyan et al. [11] studied experimentally the effect of fins and rotating of concentric inner pipe of double pipe heat exchanger on heat transfer and pressure drop. They made a compression between the results of inner plain and finned pipe under stationary and rotating conditions.Heat transfer enhancement of double pipe heat exchanger using rotatin(pipe) What are the characteristics of concentric tube heat exchanger?What are the characteristics of concentric tube heat exchanger?Recently many emphasize has been made to increase the heat transfer characteristics of concentric tube heat exchanger. Heat transfer enhancement in double pipe heat exchanger using simple pattern of rectangular insert. They observed that the heat transfer coefficient varied from 1.9 times the smooth tube values.Heat Transfer Enhancement in Double Pipe Heat Exchanger Heat transfer enhancement of double pipe heat exchanger

What kind of heat exchanger has low heat transfer rate?What kind of heat exchanger has low heat transfer rate?The double pipe heat exchanger type has low heat transfer rate compared with other types of heat exchangers. Therefore, this article aims to enhance the heat transfer rate of that type of heat exchanger by introducing a rotation of the heat exchanger inner pipe combined with changing the pipes eccentricity.Heat transfer enhancement of double pipe heat exchanger using rotatin(pipe) (PDF) Heat Transfer Characteristics in a Double-Pipe Heat Heat transfer enhancement of double pipe heat exchanger

An experimental investigation has been carried out to study the enhancement in heat transfer coefficient by inserting coiled wire around the outer surface of the inner tube of the double-pipe heat Heat transfer enhancement of double pipe heat exchanger (pipe) (PDF) Heat Transfer Enhancement in a Double Pipe Heat Heat transfer enhancement of double pipe heat exchanger (steel) This is accomplished by increasing the surface area of the heat exchange surface by using fins or inserts of different geometries. The present work is an experimental study of heat transfer when Heat transfer enhancement of double pipe heat exchanger

Author Anton GomezPublish Year 2017Heat transfer augmentation in double pipe heat exchanger Heat transfer enhancement of double pipe heat exchanger

Feb 01, 2017The work presented here focuses on heat transfer augmentation by means of divergent-convergent spring turbulator (the enhancement device). Aim of the present work is to find such an optimum pitch at which the augmentation in heat transfer is maximum and the amount of power consumption is minimum, so that an economic design can be created with maximum thermal efficiency.(pipe) Author B S khalaf, A H FalihPublish Year 2018Experimental research and CFD analysis on double pipe heat Heat transfer enhancement of double pipe heat exchanger (steel) In this paper, the heat transfer rate of CuO nanoparticle suspended cold-water flow in a double pipe heat exchanger is evaluated. The average size of CuO nanoparticles is 35 nm is dissolved in deionized water, flowing in the counter direction of a hot-water pipe. The velocity and the discharge rate were maintained constant and the dispersion rate of CuO nanoparticles was varied (0, 0.1, 0.2 Heat transfer enhancement of double pipe heat exchanger (pipe) Author B S khalaf, A H FalihPublish Year 2018Numerical Analysis of Heat transfer Enhancement in a Heat transfer enhancement of double pipe heat exchanger (steel) Abstract In the present study numerical analysis of enhancement in heat transfer characteristics in a double pipe heat exchanger is studied using a holed twisted tape.The twisted tape with a constant twist ratio is inserted in a double pipe heat exchanger. Holes of diameter 1mm, 3 mm and 5 mm were

Author Deepali Gaikwad, Kundlik MaliPublish Year 2014Heat Transfer Enhancement for Double Pipe Heat

Horizontal double pipe heat exchanger uses various inserts inside tube so as to enhance heat transfer and hence increase heat transfer coefficient [1, 2, 3]. In this type of heat exchanger th e swirl flow is generated as fluid flowing through the plain tube with insert. Due to the presence of swirl flow, the convectiv e heat transfer obtained from the plain tube with(pipe) Author Mustaza Ma'a, Tri Agung Rohmat, Samsul KamalPublish Year 2020PAPER OPEN ACCESS Numerical and Experimental (steel) Numerical and Experimental Investigation of Heat Transfer Enhancement in Double Pipe Heat Exchanger To cite this article B S khalaf and A H Falih 2018 IOP Conf. Ser. Mater. Sci. Eng. 454 012066 View the article online for updates and enhancements. This content was downloaded from IP address 207.46.13.83 on 05/04/2020 at 04:20(pipe) Author Sanjay P. Govindani, M. BasavarajPublish Year 2016Heat Transfer of Nanofluid in a Double Pipe Heat Exchanger(steel) AbstractIntroductionExperimentalResults and DiscussionConclusionThis paper investigates the enhancement of heat transfer coefficient and Nusselt number of a nanofluid containing nanoparticles (-AL2O3) with a particle size of 20nm and volume fraction of 0.1%0.3% (V/V). Effects of temperature and concentration of nanoparticles on Nusselt number changes and heat transfer coefficient in a double pipe heat exchanger with counter turbulent flow are investigated. Comparison of experimental results with valid theoretical data based on semiempirical equations shows an acceptable See more on hindawiCited by 21Publish Year 2014Author Reza Aghayari, Heydar Maddah, Malihe Zarei, Mehdi Dehghani, Sahar Ghanbari Kaskari MahalleCurrent studies of heat transfer enhancement on double Heat transfer enhancement of double pipe heat exchanger (steel) Jul 01, 2020This paper gives an overview of several published current studies concerning heat transfer enhancement on the double pipe heat exchanger. Since double pipe heat exchanger has drawn much consideration due to simplicity and wide-range utility. The flow manipulation technique to enhance heat transfer in a double pipe heat exchanger has been frequently cited.

CFD Analysis of Double Pipe Heat Exchanger

Heat transfer rate (J/hr) 1411.28 2450.97 VI. CONCLUSION The design and analysis of the double pipe heat exchanger has been a great success. The design stages mentioned in the literature can applicable for all the simple designing of double pipe heat exchangers. (pipe) Cited by 12Publish Year 2019Author Milad Setareh, Majid Saffar-Avval, Amir AbdullahExperimental investigation on the thermal performance of a Heat transfer enhancement of double pipe heat exchanger (steel) Dec 01, 2017Installing segmental perforated baffles inside double pipe heat exchangers increases the heat transfer rate in addition to the pressure drop in the annulus side when compared with that in un-baffled heat exchangers(pipe) Cited by 160Publish Year 2013Author H.A. Mohammed, Husam A. Hasan, M.A. WahidTHE OVERALL HEAT TRANSFER CHARACTERISTICS OF A (steel) with the other types. The amount of heat transfer per section is small, that makes the double pipe heat exchangers a suitable heat transfer device in applications where a large heat transfer surface is not required. Although the performance and analysis of double pipe heat exchangers have been established long time ago, Abdelmessih and Bell [1] have

Cited by 17Publish Year 2012Author Li Zhang, Li Zhang, Hongmei Guo, Jianhua Wu, Jianhua Wu, Wenjuan DuOptimization of Double Pipe Heat Exchanger with Response Heat transfer enhancement of double pipe heat exchanger

For the first part, a heat exchanger of double pipe with counter flow of water were used. This heat exchanger included a semicircular disc baffles attached on the outer surface of the inner tube fitted with twisted tape. The second part used to determine the transfer functions effect and training algorithms on the experimental work.(pipe) Cited by 17Publish Year 2017Author M.R. Salem, M.K. Althafeeri, K.M. Elshazly, M.G. Higazy, M.F. AbdrabboDouble Pipe Heat Exchanger - doc.simulationx(steel) Double-pipe heat exchangers, also called hairpin heat exchangers, are typically used for heating or cooling processes in which only small heat transfer areas are required (<50m2). Although the price per square meter of heat transfer area is high, the modular design of hairpin heat exchangers makes it easy to adjust the equipment to suit a Heat transfer enhancement of double pipe heat exchanger (pipe) Cited by 184Page Count 27File Size 1MBAuthor Yuji Inoue, Noriho Okaza, Kazuo Nakatani, Yoshikazu KawabeHeat Transfer Enhancement in A Double Pipe Heat (steel) The previous studies research which is Heat Transfer Enhancement on increasing the heat transfer have been conducted (HTE) in a Double Pipe Heat Exchanger using CFD. by redesign the channel. It is in order in focussing For the validation, the author designed

Cited by 1Publish Year 2010Author Khwanchit Wongcharee, Somsak Pethkool, Chinaruk ThianpongHeat Transfer Enhancement in Double Pipe Heat

heat transfer coefficient enhancement for 0.03% nanofluid with the base fluid is 47.53% Nanofluids of different concentrations were introduced into the heat exchangers and the experimental overall heat transfer coefficient is estimated. A maximum of 73.94 enhancement was observed for (pipe) Cited by 1Publish Year 2016Author eep Raj, K Vijaya Kumar Reddy, A Aruna Kumari(PDF) CFD ANALYSIS OF DOUBLE PIPE HEAT EXCHANGER (steel) A heat exchanger is a device that is used to transfer thermal energy between two or more fluids, between a solid surface and a fluid, between solid particulates and fluid, at different temperatures. Heat exchangers are important engineering devices(pipe) Cited by 1Publish Year 2020Author Osama A. Mohsen, Muhannad A. R. Muhammed, Basim O. HasanHeat Transfer Enhancement in a Double Pipe Heat Exchanger Heat transfer enhancement of double pipe heat exchanger (steel) Wongcharee, K, Pethkool, S, & Thianpong, C. "Heat Transfer Enhancement in a Double Pipe Heat Exchanger by Insertion of Propeller-Type Swirl Generators." Proceedings of the 2010 14th International Heat Transfer Conference. 2010 14th International Heat Transfer Conference, Volume 4. Washington, DC, USA. August 813, 2010. pp. 445-451. ASME.

Cited by 2Publish Year 2019Author A. Ponshanmugakumar, A. Ponshanmugakumar, R. RajavelHeat transfer enhancement of double pipe heat

Heat transfer enhancement of double pipe heat exchanger with FDM delta-channel winglet inserts 1Tejashri N. More, 2Dr. N. C. Ghuge 1Student, 2Associate Professor 1M.C.E.R.C Eklahare,Nashik,India, 2M.C.E.R.C Eklahare,Nashik,India _____ Abstract - For the enhancement in performance of the heat exchanger, it is decided to increase the turbulence and(pipe) Cited by 54Publish Year 2008Author H. Kahalerras, N. TarguiRibbed double pipe heat exchanger experimental analysis(steel) enhancement of about 1.3 to 1.8 at pitch to p/e = 10. It is recommended to investigate more cases of ribs heights and installation in the hot fluid flow side. Keywords double pipe heat exchanger, rib, enhanced heat transfer, artificial roughening, annular flow. 1 Introduction(pipe) Cited by 5Publish Year 2017Author Kushal Kamboj, Gurjeet Singh, Rohit Sharma, Dilbagh Panchal, Jaspreet HiraHeat transfer enhancement of double (steel) heat exchanger heat transfer equationheat exchanger heat transfer coefficientsheat exchanger transfer calculationsfunction of heat exchangerhow do heat exchangers workshell and tube heat exchangersthermal transfer hydraulic heat exchangersheat exchanger flow rate

Cited by 5Publish Year 2017Author Kushal Kamboj, Gurjeet Singh, Rohit Sharma, Dilbagh Panchal, Jaspreet HiraPAPER OPEN ACCESS Enhancement of heat transfer in

Tables and graphs are drawn for both friction factor and heat transfer Smooth tube double pipe heat exchanger without insert. Double pipe heat exchanger with inserting Twisted tape insert with ratio 3.60. Double pipe heat exchanger with inserting Twisted tape insert with ratio 4.30.(pipe) Cited by 5Publish Year 2018Author Marwa A.M. Ali, Wael M. El-Maghlany, Yehia A. Eldrainy, Abdelhamid AttiaEnhancement of Heat Transfer in Double Pipe Heat (steel) Jan 01, 2019Contingent on the prerequisite of the icy water stream rate, next arrangement of readings can be noted down. Fig 4 Double pipe heat exchanger Overall Heat Transfer Coefficient The assurance of the general warmth exchange coefficient is fundamental keeping in mind the end goal to decide the warmth exchanged from the inward pipe to the external pipe.(pipe) Cited by 7Publish Year 2002Author M. A. Mehrabian, S. H. Mansouri, G. A. SheikhzadehDESIGN AND FABRICATION OF DOUBLE PIPE HEAT (steel) To improve the heat transfer characteristic of double pipe heat exchanger, the various fin are installed on the outer surface of the inner tube and the level of turbulence increased and heat transfer characteristic of heat exchanger are increased up to 4 times than the plain tube.

Cited by 7Publish Year 2014Author Rajiva Lochan Mohanty, Sharon Bashyam, Darpahari DasNumerical Investigations of Heat Transfer enhancement in Heat transfer enhancement of double pipe heat exchanger

Heat transfer augmentation of a heat exchanger with a multi-heat pipe has been investigated with the influence of gravity assistance. The working fluids used to analyse the performance are Heat transfer enhancement of double pipe heat exchanger (pipe) Compound heat transfer enhancement for shell side of Heat transfer enhancement of double pipe heat exchanger (steel) Jan 05, 2012To improve heat transfer performance of shell side of double-pipe heat exchanger with helical fins on its inner tube, some vortex generators (VGs) were installed along the centerline of the helical channel. Heat transfer performance and pressure drop characteristic of the enhanced heat exchangers were investigated using air as the working fluid and steam as the heating medium.(pipe) DOUBLE-PIPE HEAT EXCHANGER - University of Utah(steel) Aug 26, 2002A Procedures Manual was created for the double-pipe heat exchanger. The theories of transient heat transfer in double-pipe heat exchangers were explained and followed by literature correlations. All of the instrument specifications were defined. A procedure for use of the equipment and the software was outlined.

EXPERIMENTAL ANALYSIS OF HEAT TRANSFER

work on heat transfer augmentation in the double pipe heat exchanger using a new kind of insert called Rotor-assembled strand. Inserts when placed in the path of the flow of liquid, create a high degree of turbulence resulting in an increase in the heat transfer rate (pipe) Enhancement of Heat Transfer in Double Pipe Heat (steel) This paper investigates the effect of the combined passive technique on heat transfer enhancement, friction factor, and thermal performance of a double-tube heat exchanger fitted with differently Heat transfer enhancement of double pipe heat exchanger (pipe) Experimental and numerical study on heat transfer Heat transfer enhancement of double pipe heat exchanger (steel) Aug 01, 2019Heat transfer enhancement of double-pipe heat exchanger in the presence of ultrasonic vibrations is experimentally and numerically studied. A novel experimental setup made of two concentric pipes is constructed and a bolted Langevin ultrasonic transducer is used for applying the ultrasonic vibrations to the inner pipe with a frequency of 26.7 kHz. The numerical simulation is carried out by

HEAT TRANSFER ENHANCEMENT IN A DOUBLE PIPE HEAT

Nanofluids exhibit enhanced thermal conductivity and the convective heat transfer coefficient compared to the base fluid. In the present work, experimental investigations were conducted in a double Heat transfer enhancement of double pipe heat exchanger (pipe) Hairpins Double Pipe and Multitube Heat transfer enhancement of double pipe heat exchanger - Koch Heat Transfer(steel) Hairpins Double Pipe and Multitube Heat Exchangers Koch Heat Transfer hairpins are the industry standard for efficient performance and proven reliability. Backed by more than 300 years of combined engineering and manufacturing experience, our innovative designs and unique closures are a key element of more economical designs that offer ongoing Heat transfer enhancement of double pipe heat exchanger (pipe) Heat Transfer Augmentation by using Metallic (steel) out to investigate the heat transfer and pressure drop characteristics of CuO/Base oil nanofluid laminar flow in a smooth tube with different wire coil inserts under constant heat flux by nanoparticles mixed in water as base fluid on heat transfer pure characteristics of double pipe counter flow heat exchanger.

Heat Transfer Enhancement for Double Pipe Heat Exchanger Heat transfer enhancement of double pipe heat exchanger

Abstract. Thermal Performance of heat transfer devices can be improved by heat transfer enhancement techniques. In the present study, heat transfer from hot water to cold water by double pipe heat exchanger for plain tube and plain tube with twisted wire brush inserts is experimentally investigated. The horizontal double pipe heat exchanger is made from straight copper tube with (pipe) Heat Transfer Enhancement for Double Pipe Heat Exchanger Heat transfer enhancement of double pipe heat exchanger (steel) Thermal Performance of heat transfer devices can be improved by heat transfer enhancement techniques. In the present study, heat transfer from hot water to cold water by double pipe heat exchanger for plain tube and plain tube with twisted wire brush inserts is experimentally investigated. The horizontal double pipe heat exchanger is made from straight copper tube with inner tube and (pipe) Heat Transfer Enhancement in Double Pipe Heat (steel) heat exchanger with insert of equal length and similar operating conditions in order to compare its performance related to heat transfer characteristics. Schematic diagram of double pipe heat exchanger is as shown in Figure 1. Figure 1. Plain double pipe heat exchanger The copper tapes were first cut into 3 equal sizes.

Heat Transfer Enhancement in a Double Pipe Heat

heat transfer enhancement and pressure drop in counter flow Double Pipe Heat Exchanger (DPHE) using computational fluid dynamic analysis (CFD). The baffles were taken in the form of semicircular and quarter-circular geometries arranged on inner pipe of DPHE. (pipe) Heat Transfer Enhancement in a Double Pipe Heat Exchanger Heat transfer enhancement of double pipe heat exchanger (steel) Jun 30, 2020Abstract. Heat transfer enhancement is widely used for improving heat exchanger performance in industrial processes. This is accomplished by increasing the surface area of the heat exchange surface by using fins or inserts of different geometries. The present work is an experimental study of heat transfer when using different fin geometries for the heat exchange surface in a double (pipe) Heat transfer augmentation in double pipe heat exchanger Heat transfer enhancement of double pipe heat exchanger (steel) May 27, 2016It describes that, the lesser is the pitch the more number of turbulators that can be inserted in inner pipe of double pipe heat exchanger, hence more will be the friction factor. This physics increases convective ability of the heat transfer process from the surface of inner pipe.

Heat transfer enhancement of nanofluids in a double pipe Heat transfer enhancement of double pipe heat exchanger

Jan 01, 2013Recently, most researchers have studied the enhancement of heat transfer on the performance of heat exchanger by louvered strip inserts experimentally and numerically. Eiamsa-ard et al. investigated experimentally the impact of louvered strip inserts in a double pipe heat exchanger on heat transfer and pressure loss under turbulent flow. Experimental results show that the utilization of louvered strips led to a higher heat transfer (pipe) Investigations on Heat Transfer Enhancement in Helical Heat transfer enhancement of double pipe heat exchanger (steel) Abstract-Heat transfer enhancement is one of the key issues of energy saving and compact designs. Researches in heat Heat transfer enhancement of double pipe heat exchanger For light and medium duty application double pipe heat Heat transfer enhancement of double pipe heat exchanger It consists of a helical coil heat exchanger, a cooling unit, a pump, a blowerand a heating chamber.(pipe) Numerical analysis of double pipe heat exchanger using Heat transfer enhancement of double pipe heat exchanger (steel) Jan 05, 2015The entire analysis has been done by selecting an existing design of a double pipe heat exchanger with specified flow conditions at the inlet to the heat exchanger. Investigations have been carried out for different heat exchanger configurations by employing twisted tape insert with different twist ratios, regularly spaced twisted tape, and twist in the middle as well as with protrusion in the outer.

Numerical analysis of heat transfer enhancement in a Heat transfer enhancement of double pipe heat exchanger

Jun 27, 2008 The aim is to study numerically the heat transfer enhancement in a double pipe heat exchanger by using porous fins attached at the external wall of the inner cylinder., The BrinkmanForchheimer extended Darcy model is used in the porous regions. The differential equations subjected to the boundary conditions are solved numerically using the finite volume method.(pipe) Research Article Heat Transfer of Nanofluid in a Double Heat transfer enhancement of double pipe heat exchanger (steel) Heat Transfer of Nanofluid in a Double Pipe Heat Exchanger RezaAghayari, 1 HeydarMaddah, 2 MaliheZarei, 1 MehdiDehghani, 3 andSaharGhanbariKaskariMahalle 4 Department of Chemical Engineering, Shahrood Branch, Islamic Azad University, Shahrood- , Iran Department of Chemistry, Sciences Faculty, Arak Branch, Islamic Azad University, Arak, Iran(pipe) Thermal Performance of a Double-Pipe Heat Exchanger (steel) Double-pipe heat exchangers are the simplest type of heat exchanger and are widely utilized in industrial applications. The effectiveness of double-pipe heat exchangers can be increased by using various heat transfer enhancement techniques. Passive heat transfer enhancement methods are

Vol. 5, Issue 4, April 2016 Heat Transfer Intensification Heat transfer enhancement of double pipe heat exchanger

Double Pipe Heat Exchanger for creating a swirl flow and thus Enhancing the Heat Transfer. Twisted tapes of different twist ratios (H/D) 5,10,15,20 and strip insert (i.e without any twist) are employed to enhance the Heat Transfer.(pipe)Horizontal doublepipeheatexchangeruses various inserts inside tube so as to enhanceheattransferand hence increaseheattransfercoefficient [1, 2, 3]. In this type of heatexchangerthe swirl flow is generated as fluid flowing through the plain tube with insert.Author: Deepali Gaikwad, Kundlik MaliPublish Year: 2014Heat Transfer Enhancement for Double Pipe Heat Exchanger Heat transfer enhancement of double pipe heat exchanger (steel) Was this helpful?People also askWhat is heat transfer enhancement?What is heat transfer enhancement?Heat transfer enhancement in double pipe heat exchanger using simple pattern of rectangular insert. They observed that the heat transfer coefficient varied from 1.9 times the smooth tube values.Heat Transfer Enhancement in Double Pipe Heat Exchanger Heat transfer enhancement of double pipe heat exchanger

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