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Thematische Bibliographien / Double tube

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Zeitschriftenartikel

Auswahl der wissenschaftlichen Literatur zum Thema „Double tube“

Autor: Grafiati

Veröffentlicht am 28. Juni 2021

Zuletzt aktualisiert am 25. April 2022

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Zeitschriftenartikel zum Thema "Double tube"

1

Yang, Lian, Yong Hong Huang, and Liu Zhang. "Study on Engineering Construction with Three-Dimensional Heat Transfer Modeling for Double U-Tube Heat Exchangers in Ground-Source Heat Pump Systems." Advanced Materials Research 700 (May 2013): 231–34. http://dx.doi.org/10.4028/www.scientific.net/amr.700.231.

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There are many ground source heat pumps in engineering construction application. However, Research on heat exchanger models of single-hole buried vertical ground source heat pump mostly focuses on single U-tube ground heat exchangers other than double U-tube ones in China currently. Compared with single U-tubes, double U-tubes have the heat transfer particularity of asymmetry. Therefore, the use of the traditional single tube models would have large error in the simulation of the actual double U-tube heat exchangers. This paper frames a three-dimensional heat transfer model for the vertical si

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2

Hartman, William R., Michael Brown, and James Hannon. "Iatrogenic Left Main Bronchus Injury following Atraumatic Double Lumen Endotracheal Tube Placement." Case Reports in Anesthesiology 2013 (2013): 1–3. http://dx.doi.org/10.1155/2013/524348.

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Tracheobronchial disruption is an uncommon but severe complication of double lumen endotracheal tube placement. The physical properties of a double lumen tube (large external diameter and length) make tracheobronchial injury more common than that associated with smaller single lumen endotracheal tubes. Here we present the case of an iatrogenic left main bronchus injury caused by placement of a double lumen tube in an otherwise unremarkable airway.

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3

Russell, W. J., and T. S. Strong. "Dimensions of Double-Lumen Tracheobronchial Tubes." Anaesthesia and Intensive Care 31, no. 1 (2003): 50–53. http://dx.doi.org/10.1177/0310057x0303100109.

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The diameter of the left main bronchus is the determining dimension when selecting the size of a left tracheobronchial (double-lumen) tube for lung separation. However, this information is not given by any manufacturer, either on the tube or in the package insert. This paper describes the lengths and diameters of the deflated bronchial cuff segment of left tracheobronchial tubes in common use. One hundred and seventy-one left tracheobronchial tubes ranging in size from 28 to 41 nominal French gauge from four manufacturers were measured. There was wide variation between tubes of the same nomina

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4

Hegland, Niels, Sebastian Schnitzler, Jan Ellensohn, Marc P. Steurer, Markus Weiss, and Alexander Dullenkopf. "Dimensional Variations of Left-Sided Double-Lumen Endobronchial Tubes." Anesthesiology Research and Practice 2019 (September 24, 2019): 1–9. http://dx.doi.org/10.1155/2019/3634202.

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Background. Tube size selection is critical in ventilating patients’ lungs using double-lumen endobronchial tubes (DLTs). Little information about relevant parameters is readily available from manufacturers. The aim of this study is to provide reference data for relevant dimensions of conventionally available DLTs. Methods. In this study in a benchmark in vitro setup, several dimensional parameters of four sizes of left-sided double-lumen endobronchial tubes from six different manufacturers were assessed, such as distances and diameters of tube shaft, cuff lengths, and diameters as well the an

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5

Zhang, Bing, Jun-Liang Zhao, Tao Huang, Ning-Yuan Zhang, Yi-Jie Zhang, and Xia-Min Hu. "Effect of fiber angles on hybrid fiber-reinforced polymer–concrete–steel double-skin tubular columns under monotonic axial compression." Advances in Structural Engineering 23, no. 7 (2020): 1487–504. http://dx.doi.org/10.1177/1369433219895916.

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Hybrid fiber-reinforced polymer–concrete–steel double-skin tubular columns are a novel form of hollow columns that combine two traditional construction materials (i.e. concrete and steel) with fiber-reinforced polymer composites. Hybrid fiber-reinforced polymer–concrete–steel double-skin tubular columns consist of an inner tube made of steel, an outer tube made of fiber-reinforced polymer, and a concrete layer between the two tubes. Existing studies, however, are focused on hybrid fiber-reinforced polymer–concrete–steel double-skin tubular columns with fibers of the fiber-reinforced polymer tu

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6

Zhong, T., W. Wang, J. Chen, L. Ran, and D. A. Story. "Sore Throat or Hoarse Voice with Bronchial Blockers or Double-Lumen Tubes for Lung Isolation: A Randomised, Prospective Trial." Anaesthesia and Intensive Care 36, no. 6 (2008): 441–46. http://dx.doi.org/10.1177/0310057x0803600601.

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Double-lumen endotracheal tubes and bronchial blockers allow lung isolation for one-lung ventilation. Few studies, however, directly compare these devices. Further, a new endobronchial blocker (Coopdech) is available in some countries. Our primary hypothesis was that bronchial blockers would be associated with less sore throat or hoarse voice than double-lumen tubes. Secondary outcomes were successful one-lung ventilation and surgical access. In this prospective trial, 120 Chinese patients undergoing elective surgery were randomly assigned to one of four groups of 30 patients: Coopdech blocker

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7

Jeon, Y., H. G. Ryu, J. H. Bahk, C. W. Jung, and J. M. Goo. "A New Technique to Determine the Size of Double-lumen Endobronchial Tubes by the Two Perpendicularly Measured Bronchial Diameters." Anaesthesia and Intensive Care 33, no. 1 (2005): 59–63. http://dx.doi.org/10.1177/0310057x0503300109.

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The cross-section of the mainstem bronchi is not completely round. For preoperative selection of a double-lumen endobronchial tube size, it may be necessary to measure the mediolateral and the anteroposterior bronchial diameters, which can be measured respectively on chest radiograph and computed tomography. With Internal Review Board approval and patients’ informed consent, 105 elective thoracic surgical patients who needed left-sided double-lumen tubes were enrolled. Double-lumen tube size was selected depending on the arithmetic mean of the mediolateral and anteroposterior bronchial diamete

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8

Abdul Razzaq, Ali K., and Khudheyer S. Mushatet. "A Numerical Study for a Double Twisted Tube Heat Exchanger." International Journal of Heat and Technology 39, no. 5 (2021): 1583–89. http://dx.doi.org/10.18280/ijht.390521.

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The thermal and fluid physiognomies of a double twisted tube heat exchanger was examined numerically. Twisted engineering is a wide-use method to improve heat transfer in heat exchangers. A counter-flow mode utilizing hot water in the inner tube and cold air in the outer tube was considered. This study aims to progress the thermal performance of the double tube heat exchanger by using twisted tubes instead of plane tubes. The heat exchanger was (1m) length, outer diameter (0.05m) and inner diameter (0.025m), both with a thickness (0.004m). It was tested for different values of twist ratios (Tr

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9

Jaggar, Siân, Ali Mofeez, and Elizabeth Haxby. "Double-lumen tube audit." Journal of Cardiothoracic and Vascular Anesthesia 16, no. 6 (2002): 790–91. http://dx.doi.org/10.1016/s1053-0770(02)70004-9.

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10

Lohser, Jens, and Jay B. Brodsky. "Silbronco Double-Lumen Tube." Journal of Cardiothoracic and Vascular Anesthesia 20, no. 1 (2006): 129–31. http://dx.doi.org/10.1053/j.jvca.2005.03.035.

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