Relevant bibliographies by topics / Spirally Coiled Tube

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  1. Journal articles
  2. Dissertations / Theses
  3. Conference papers

Academic literature on the topic 'Spirally Coiled Tube'

Author: Grafiati
Published: 3 June 2025
Last updated: 31 July 2025

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Journal articles on the topic "Spirally Coiled Tube"

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Gomaa, Abdalla, Wael IA Aly, Ashraf Mimi Elsaid, and Eldesuki I. Eid. "Performance characteristics of a chilled water spirally coiled finned tube in cross flow for air conditioning applications." Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science 227, no. 2 (2012): 320–31. http://dx.doi.org/10.1177/0954406212447480.

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In the present study, the thermo-fluid characteristics of a spirally coiled finned tube in cross flow were experimentally investigated. This investigation covered different design parameters such as curvature ratio, air velocity, flow direction, fin pitch and flow rate of chilled water on performance characteristics of the spirally coiled finned tube. The purpose was to evaluate this kind of the spirally finned-tube cooling coils with particular reference to bare coiled tube. Six test specimens were designed and manufactured with curvature ratios of 0.027, 0.03, 0.04, tube pitches of 18, 20, 3
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Vinn, Olev. "Tube ultrastructure of the fossil genus Rotularia Defrance, 1827 (Polychaeta, Serpulidae)." Journal of Paleontology 82, no. 1 (2008): 206–12. http://dx.doi.org/10.1666/06-125.1.

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Among Polychaete annelids, calcareous tubes occur in Serpulidae, Spirorbidae, Sabellidae, and Cirratulidae (Perkins, 1991; Fischer et al., 2000). The tubes of most serpulids are completely or partially cemented to the substrate. The fossil genus Rotularia has a peculiar unattached, spirally coiled tube, thus well distinguishable from the other known serpulids. Tube records of Rotularia are known from Mesozoic (Late Jurassic) (Ball, 1960; Stevens, 1967) to Early Tertiary sediments, becoming very common during the Cretaceous and Eocene (see Savazzi, 1995). It also has a global distribution (Wrig
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Jadhav, Pravin, and Neeraj Agrawal. "Choked Flow Behavior of CO2 Refrigerant Flowing Through the Spiral Capillary Tube." International Journal of Air-Conditioning and Refrigeration 28, no. 03 (2020): 2050024. http://dx.doi.org/10.1142/s2010132520500248.

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The flow characteristics of CO2 refrigerant are numerically studied for an adiabatic spirally coiled capillary tube employing choked flow conditions. The mass, momentum and energy conservation equations are used to develop a numerical model. The existing model is verified with the published results. The choked flow behavior at various geometric parameters viz. tube diameter and spiral pitch is studied. Similarly, the influence of these parameters on the mass flow rate through the tube is observed. A significant change in mass flow rate is due to a change in tube diameter, whereas a minimal var
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Djordjevic, Milan, Velimir Stefanovic, Dragan Kalaba, Marko Mancic, and Marko Katinic. "Radiant absorption characteristics of corrugated curved tubes." Thermal Science 21, no. 6 Part B (2017): 2897–906. http://dx.doi.org/10.2298/tsci160420263d.

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The utilization of modern paraboloidal concentrators for conversion of solar radiation into heat energy requires the development and implementation of compact and efficient heat absorbers. Accurate estimation of geometry influence on absorption characteristics of receiver tubes is an important step in this process. This paper deals with absorption characteristics of heat absorber made of spirally coiled tubes with transverse circular corrugations. Detailed 3-D surface-to-surface Hemicube method was applied to compare radiation performances of corrugated and smooth curved tubes. The numerical r
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Đorđević, Milan, Velimir Stefanović, Mića Vukić, and Marko Mančić. "EXPERIMENTAL INVESTIGATION OF THE CONVECTIVE HEAT TRANSFER IN A SPIRALLY COILED CORRUGATED TUBE WITH RADIANT HEATING." Facta Universitatis, Series: Mechanical Engineering 15, no. 3 (2017): 495. http://dx.doi.org/10.22190/fume171001027d.

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The Archimedean spiral coil made of a transversely corrugated tube was exposed to radiant heating in order to represent a heat absorber of the parabolic dish solar concentrator. The main advantage of the considered innovative design solution is a coupling effect of the two passive methods for heat transfer enhancement - coiling of the flow channel and changes in surface roughness. The curvature ratio of the spiral coil varies from 0.029 to 0.234, while water and a mixture of propylene glycol and water are used as heat transfer fluids. The unique focus of this study is on specific boundary cond
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Budov, V. M., and S. M. Dmitriev. "Bilateral heat exchange in vaporization channels with an inner spirally coiled tube." Journal of Engineering Physics 56, no. 2 (1989): 116–19. http://dx.doi.org/10.1007/bf00870561.

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Abdelmagied, Mahmoud. "Experimental study of a triple spirally coiled tube heat exchanger thermo-fluid characteristics." Applied Thermal Engineering 180 (November 2020): 115803. http://dx.doi.org/10.1016/j.applthermaleng.2020.115803.

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Wongwises, Somchai, and Paisarn Naphon. "Thermal performance of a spirally coiled finned tube heat exchanger under wet-Surface conditions." Journal of Mechanical Science and Technology 20, no. 2 (2006): 212–26. http://dx.doi.org/10.1007/bf02915823.

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Lee, Sang Hun, Mooyeon Lee, Won Jae Yoon, and Yongchan Kim. "Frost growth characteristics of spirally-coiled circular fin-tube heat exchangers under frosting conditions." International Journal of Heat and Mass Transfer 64 (September 2013): 1–9. http://dx.doi.org/10.1016/j.ijheatmasstransfer.2013.04.018.

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Wongwises, Somchai, and Paisarn Naphon. "Heat Transfer Characteristics of a Spirally Coiled, Finned-Tube Heat Exchanger under Dry-Surface Conditions." Heat Transfer Engineering 27, no. 1 (2006): 25–34. http://dx.doi.org/10.1080/01457630500341698.

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Dissertations / Theses on the topic "Spirally Coiled Tube"

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Rosa, Vitor da Silva. "Transferência de calor e scale-up de tanques com impulsores mecânicos em operação com fluidos não-newtonianos." Universidade de São Paulo, 2017. http://www.teses.usp.br/teses/disponiveis/3/3137/tde-12032018-141529/.

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A literatura corrente possui informações limitadas sobre o projeto da área de troca térmica de tanques com jaqueta, serpentina helicoidal, serpentina espiral e chicana tubular vertical, em operação com fluidos não-Newtonianos. A presente tese teve por objetivo principal analisar a transferência de calor, potência consumida e ampliação de escala em tanques com impulsores mecânicos na agitação de fluidos não-Newtonianos com duas superfícies de transmissão de calor, chicana tubular vertical e serpentina em espiral. O trabalho também visou fornecer métodos de ampliação de escala de tanques com agi
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Morales, Santiago Adolfo. "Investigation of high strain rate behavior of metallic specimens using electromagnetic inductive loading." Thesis, 2011. http://hdl.handle.net/2152/ETD-UT-2011-08-4032.

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Aerospace Engineering<br>The aim of this thesis is to explore the high strain rate behavior of metallic specimens using electromagnetic inductive loading as the means to inflict the required high strain rate deformation on laboratory scale specimens, allowing for controlled, repeatable experiments to be performed. Three separate experiments were designed and performed, using helical and spiral coils as the sources of radial and unidirectional loading. The first experiment evaluated the effect of applying a polymer coating on 30.5 mm diameter, Al 6061- O tube samples, in two lengths, 18 and
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Conference papers on the topic "Spirally Coiled Tube"

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Ghobadi, M., and Y. S. Muzychka. "Pressure Drop in Mini-Scale Coiled Tubing." In ASME 2013 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/imece2013-63348.

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In the present study, laminar, steady state flow in mini-scale coiled tubes was studied experimentally. Three different tube diameters: 1.6 mm, 1.27 mm and 1.016 mm with different lengths of 1 m and 0.5 m were coiled with different radius of curvature to provide data over a wide range of Reynolds numbers from 5 to 2300. A simple empirical model is developed based on the experimental results to predict the pressure drop increase based on Dean number. The results and simple model are also compared to a well-known existing model for circular tubing. The coiled tube lengths used in this study were
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Bowman, Anthony J., and Hyunjae Park. "Investigation and Development of Proposed General Pressure Drop and Heat Transfer Correlations for Laminar Flow in a Toroidal Coiled Tube System." In ASME 2004 International Mechanical Engineering Congress and Exposition. ASMEDC, 2004. http://dx.doi.org/10.1115/imece2004-59872.

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In this paper, the laminar flow pressure drop and heat transfer correlations published and applied to plain, coiled tube heat exchanger systems are extensively investigated. It was found that most correlations obtained for toroidal geometric systems have been applied to the analysis of helical and spiral tube systems. While toroidal (and helical) coils have a constant radius of curvature about the coil center-point (and center-line), spiral coils have a continuously varying radius of curvature, in which the flow does not reach a typical fully developed flow condition. The centrifugal forces, a
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Ghobadi, M., and Y. S. Muzychka. "Fully Developed Heat Transfer in Mini Scale Coiled Tubing for Constant Wall Temperature." In ASME 2013 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/imece2013-63344.

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An experimental study on heat transfer enhancement in mini scale coiled tubing for isothermal conditions is conducted. Copper coils with three different radii of curvature (1 cm, 2 cm, and 4 cm), and in four lengths (1, 2, 3 and 4 coil turns) were used. The tube length is long enough to consider the flow to be hydro-dynamically fully developed. Hence, the effects of varying curvatures and lengths on heat transfer are studied. The pitch of the coil is restricted to diameter of the tube to minimize the effect of coiling. Dean number is used instead of Coiled number (modified Dean number), and he
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Bowman, Anthony J., and Hyunjae Park. "CFD Investigation of Developing and Redeveloping Laminar Flow and Heat Transfer Characteristics in Coiled Tube Systems for Constant Wall Temperature Heating and Cooling: Part II — Spiral Configurations." In ASME 2006 International Mechanical Engineering Congress and Exposition. ASMEDC, 2006. http://dx.doi.org/10.1115/imece2006-15572.

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In this paper developing and redeveloping laminar fluid flow and heat transfer performance in spiral coiled tube heat exchanger systems with specified coil-to-tube radius ratios (5 to 45), spiral pitch and inside-to-outside flow are investigated using appropriate numerical modeling techniques in the CFD package (Fluent v6.2). The CFD models employ variable thermo-physical properties in the analysis of uniform wall temperature heating and cooling of common working fluids such as air and water. The CFD models developed in Part I of this investigation are extended to analyze spiral tube configura
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Ewing, Mark E., Douglas K. Priedeman, Bruce E. Wynn, Richard N. Bohon, and Richard N. Christensen. "Two-Phase Flow Regime Maps for Straight and Coiled Spirally Fluted Tubes." In ASME 1997 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 1997. http://dx.doi.org/10.1115/imece1997-0761.

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Abstract Two-phase flow patterns in spirally fluted tubes were investigated through visual observation. Both straight (horizontal) and coiled fluted tubes were studied using adiabatic flow of air and water in transparent castings. The same types of patterns which occur in smooth tubes (i.e. annular, stratified, wave, plug, slug, and bubble) were observed in both the straight and coiled fluted tubes. For these tubes, experimental data support the use of a flow regime map of the type proposed by Breber et al. (1980), which was developed for condensation in smooth tubes. Based on results of the t
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Bowman, Anthony J., and Hyunjae Park. "CFD Study on Laminar Flow Pressure Drop and Heat Transfer Characteristics in Toroidal and Spiral Coil System." In ASME 2004 International Mechanical Engineering Congress and Exposition. ASMEDC, 2004. http://dx.doi.org/10.1115/imece2004-59879.

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Most pressure drop and heat transfer correlations obtained from the toroidal geometric system have been applied to the analysis of helical and spiral tube systems. While toroidal (and helical) coils have a constant radius of curvature about the coil center point (and center-line), spiral coils have a continuously varying radius of curvature, in which the varying centrifugal forces contribute to further enhance the heat transfer (at the cost of additional pressure drop) over toroidal and helical tube heat exchangers of the same length. Due to lack of published analytical, numerical and experime
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Asano, Hitoshi, Nobuyuki Takenaka, Terushige Fujii, Tetsuya Arakawa, and Masahito Matsubayashi. "Flow Pattern of Gas-Liquid Two-Phase Annular Flow in a Spiral Tube." In ASME 1998 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 1998. http://dx.doi.org/10.1115/imece1998-0747.

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Abstract To clarify the effect of the centrifugal force on the phase distribution of gas-liquid two-phase flow in a coiled tube, air-water two-phase annular flows in a spiral tube were visualized by a thermal neutron radiography method, and the two-dimensional void fraction distributions were measured from the obtained images by some image processing methods. An aluminum tube coiled in a plane and placed vertically was used as the test section. As a result, inversion, that is whether the liquid phase tends to flow at the inside or outside, of the spiral tube, could be determined. The condition
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Park, Hyunjae, and Anthony Bowman. "Governing Equations Used in Coiled Tube Systems [Part II: Order-of-Magnitude Analysis of Spiral Coil Systems]." In 9th AIAA/ASME Joint Thermophysics and Heat Transfer Conference. American Institute of Aeronautics and Astronautics, 2006. http://dx.doi.org/10.2514/6.2006-3616.

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Wang, Ningyuan, Deqi Chen, Zhenzhong Li, Hanzhou Liu, and Shanshan Bu. "Experimental Study on the Vibration Characteristics of Two-Phase Flow Post Dryout in Helical Coiled Tube." In 2024 31st International Conference on Nuclear Engineering. American Society of Mechanical Engineers, 2024. http://dx.doi.org/10.1115/icone31-135067.

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Abstract Boiling two-phase flow after drying is one of the main flow forms in spiral tubes. Exploring the flow-induced vibration response law caused by it is of great significance to the safety analysis and design of steam generators. Leveraging laser Doppler vibration measurement, this study yields crucial experimental data encompassing post-dryout flow rates, wall and fluid temperatures, and vibration displacements. Post-dryout, the root mean square (RMS) of vibration displacement follows a distinctive trend, initially escalating and subsequently diminishing with the upswing in outlet therma
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Đorđević, Milan, Marko Mančić, Velimir Stefanović, and Mića Vukić. "Effect of wall heat flux on flow and heat transfer characteristics in coiled corrugated pipes." In SimTerm Proceedings 2024 - 21st International Conference on Thermal Science and Engineering of Serbia : [proceedings], Niš, 22-25.10.2024. University of Niš, Faculty of Mechanical Engineering, Serbia, 2024. https://doi.org/10.5937/simterm24309d.

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The objective of this paper was to study the influence of high-intensity asymmetric heat flux at the wall on pressure drop and heat transfer in the Archimedean spiral coil made of transversely corrugated tube that was exposed to radiant heating and is supposed to represent heat absorber of parabolic dish solar concentrator. The working fluids were water and a mixture of propylene glycol and water (90% and 10% by volume, respectively). An increase in the heat flux density at the pipe wall affects the increase in the pressure drop and peripherally averaged Nu number in the considered geometry in
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