Results 11 to 20 of about 1,087,479 (281)

R134a flow patterns in small diameter tubes [PDF]

open access: yes, 2004
R134a vapour-liquid two-phase flow patterns were studied in vertical small diameter tubes. The observed flow patterns include bubbly, dispersed bubble, slug, churn, annular and mist flow.
Chen, L, Tian, YS, Karayiannis, TG
core   +6 more sources

Boiling two-phase pressure drop in small diameter tubes [PDF]

open access: yes, 2007
An experimental study of two-phase pressure drop in small diameter tubes is described in this paper. Stainless steel tubes of internal diameter and length of 4.26 mm, 500 mm and 2.01 mm, 211 mm were used. The working fluid was R134a and the range covered
Huo, X   +4 more
core   +6 more sources

Tube-in-tube: A Solution for Retracted Tube

open access: yesJournal of Current Glaucoma Practice, 2021
Tube retraction after Ahmed glaucoma valve (AGV) implantation is an infrequent but known complication. The management option includes the use of a commercially available AGV tube extender, 22 G angiocatheter, resisting the existing glaucoma drainage device (GDD), or insertion of a new GDD.
Pandav, Surinder S   +2 more
openaire   +2 more sources

Free-convection condensation on single horizontal pin-fin tubes [PDF]

open access: yes, 2011
PhDNew experimental data are reported for free-convection condensation of ethylene glycol and R-113 on three-dimensional pin-fin tubes. Effects of pin geometry and tube thermal conductivity (for copper, brass and bronze giving a mean range of 400, 120 ...
Ali, Hafiz-Muhummad
core   +4 more sources

Empyema Tube or No Tube?

open access: yesCureus, 2021
We report the case of a 36-year-old man with cirrhosis who presented with recurrent infection of his right-sided hepatic hydrothorax in the form of fever, dyspnea, and cough. The pleural fluid analysis showed transudative fluid with normal pH, lactic acid dehydrogenase, and glucose, but with Escherichia coli growth.
Magendiran, Bhoobalan   +3 more
openaire   +2 more sources

Two-phase flow boiling in small to micro-diameter tubes [PDF]

open access: yes, 2008
This thesis was submitted for the degree of Doctor of Philosophy and awarded by Brunel University.This thesis is dedicated to the experimental and theoretical study of flow boiling in small to micro diameter tubes using R 134a.
Shiferaw, Dereje
core   +7 more sources

Further Study and Development of Correlations for Heat Transfer during Subcooled Boiling in Plain Channels

open access: yesFluids, 2023
The author’s published correlations for subcooled boiling in channels are further studied and developed in this work. The areas explored include choice of equivalent diameters for annuli and partially heated channels, effects of flow direction, micro ...
Mirza M. Shah
doaj   +1 more source

A Novel Method of Extending Glaucoma Drainage Tube: “Tube-in-Tube” Technique [PDF]

open access: yesJournal of Glaucoma, 2018
Purpose: To describe a new and simple technique of glaucoma tube extension that carries several advantages over previously described techniques. Patients and Methods: A retrospective noncomparative case series of 3 patients (1 adult and 2 pediatric cases) with glaucoma tube ...
Mark Yu-Ming, Chiang   +4 more
openaire   +4 more sources

Container plant potential of thuja occidentalis for the introduction of explants into in vitro culture during growth attenuation [PDF]

open access: yesBIO Web of Conferences
An audit of the results of the introduction of thuja occidentalis explants under in vitro conditions without sterilisation showed that the investigated mother conifers under the conditions of the Gelendzhik district were significantly infected.
Kuzmina T.I., Pavlova E.Yu., Gurieva A.
doaj   +1 more source

Failure Analysis of HP40 Steel Tubes utilized in Steam Reformer Units of Petroleum Refinery Plants [PDF]

open access: yesMaterials Research
This work is focused on the failure analysis of a HP40 steel tube used in steam reformer units, which was operated at about 850 °C for 100000 h. The failure analysis was conducted experimentally and numerically using the Thermo-Calc software.
Eduardo Perez-Badillo   +6 more
doaj   +2 more sources

Home - About - Disclaimer - Privacy