NEW NUMBER NUSSELT CORRELATION FOR THE ANNULAR SPACE OF THE TUBE IN TUBE HEAT EXCHANGER [PDF]
Romanian Journal of Petroleum & Gas TechnologyThe use of Nusselt number correlation in the annular space of a tube-in-tube heat exchanger is a difficult task for researchers, since this correlation is deduced specifically for certain geometrical features.
Maria Popa
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Design of a Novel High Frequency Ultrasound Annular Array [PDF]
, 2009 The design of a novel 50MHz 7-elment annular array is described. Equal-width electrodes are deposited on the rear face of piezoelectric layer to form a kerfless array, instead of mechanical cutting.
Harris, NR +5 more
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Hilbert space representations of the annular Temperley–Lieb algebra [PDF]
Pacific Journal of Mathematics, 2006 zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Jones, Vaughan F. R. +1 more
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An annular array with fiber composite microstructure for far field NDT imaging applications [PDF]
, 2010 This paper describes the design and fabrication of a reduced element count annular array for far field NDT imaging applications, built with a random fiber piezoelectric composite microstructure.
Dziewierz, J. +5 more
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Measurement of the film thickness, film velocity and entrainment fraction in a liquid-air annular flow using a conductance flowmeter [PDF]
, 2008 In certain older oil wells in the Middle East, the produced fluid is predominantly natural gas which flows at very high rates (e.g. 50,000). Smaller quantities of crude oil (e.g. 50) and water (950) are also produced.
Lucas, Gary +2 more
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Development of High Frequency Annular Array with a Novel Structure for Medical Imaging [PDF]
, 2010 High frequency annular arrays offer a number of advantages in medical imaging. A novel 2mm diameter, 7-element, 40MHz array using equal width elements, instead of the more conventional equal area ones, has been designed and evaluated.
Harris, Nick, Qian, Yi Chen
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PROBLEMS OF OPERATION OF MARGINAL PRODUCERS WITH ANNULAR GAS SHOWINGS
Известия высших учебных заведений: Нефть и газ, 2016 The authors consider the problem of operation of the West Siberia and Far East oil fields marginal producers with annular pressure taking into account the existing experience of operation of wells characterized by annular gas showings.
A. V. Kustyhev +3 more
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Comparison of Efficient Ways of Mud Cake Removal from Casing Surface with Traditional and New Agents
Energies, 2021 The tightness of the casing-rock formation interface is one of the most important elements of drilling and cementing jobs. In the absence of the required tightness, there is a risk of gas migration directly to the ground, groundwater or atmosphere.
Marcin Kremieniewski +3 more
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Improvement of the well cementing technology [PDF]
E3S Web of Conferences, 2023 The article presents measures to improve the quality of cementing the production string of high-performance wells. The relevance of the proposed technological solutions is substantiated.
Hadid Mahmoud +4 more
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Vaginal delivery through annular placenta – case report [PDF]
, 2013 Annular placenta is an extremely rare morphological type of human placenta. It is commonly related to placental vessel abnormalities frequently causing antenatal and postnatal hemorrhage and operative delivery.
Živković, Nikica +7 more
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