Relevant bibliographies by topics / Disturbed circulation

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers

Academic literature on the topic 'Disturbed circulation'

Author: Grafiati
Published: 28 May 2022
Last updated: 31 July 2025

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Journal articles on the topic "Disturbed circulation"

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Hurley, M. R., and M. D. Lavender. "Disturbed Sampling Using Reverse Circulation." Geological Society, London, Engineering Geology Special Publications 2, no. 1 (1986): 283–87. http://dx.doi.org/10.1144/gsl.1986.002.01.51.

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AbstractThe exploration of unconsolidated and semi-consolidated strata is generally undertaken using shell and auger and continuous flight augering techniques. These methods have serious limitations, especially when accurate sampling is required below the water table.To improve the reliability of samples British Industrial Sand Ltd. have developed a drill bit for use with reverse circulation drilling. When used in combination with a non-return valve this method allows continuous drilling and sampling both above and below the water table.Comparisons with other drilling techniques show that the
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Chen, Yujie. "Disturbed cerebral circulation and metabolism matters." Journal of Neurochemistry 160, no. 1 (2021): 10–12. http://dx.doi.org/10.1111/jnc.15552.

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Vannas, Salme, and Christina Raitta. "EYE SYMPTOMS IN DISTURBED CAROTIS CIRCULATION." Acta Neurologica Scandinavica 43, S31 (2009): 117. http://dx.doi.org/10.1111/j.1600-0404.1967.tb02075.x.

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DYMLING, O. "XXVII: THREE CASES OF DISTURBED RETINAL CIRCULATION." Acta Ophthalmologica 14, no. 1-2 (2009): 255–59. http://dx.doi.org/10.1111/j.1755-3768.1936.tb07325.x.

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Pechionkin, A. A., A. A. Lyzikov, and E. I. Skubakova. "THE DISTANT OUTCOMES OF SURGICAL TREATMENT FOR STENOSING AFFECTION OF BRACHIOCEPHALIC ARTERIES." Health and Ecology Issues, no. 2 (June 28, 2014): 49–53. http://dx.doi.org/10.51523/2708-6011.2014-11-2-10.

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Acute disturbed cerebral circulation is the second leading cause of death around the world. Carotid stenosis is a cause of acute disturbed cerebral circulation in approximately 25 % of cases. At present, carotid endarterectomy is one of the most frequently performed vascular reconstructions. This is due to the high efficiency of the surgery in the correction of cerebral circulation and prevention of acute disturbances of cerebral circulation. The problem of the further disease progression still remains topical despite the method of intervention and plastic material applied, as restenosis is di
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Oxenstierna, G., G. Bergstrand, G. Edman, L. Flyckt, H. Nybäck, and G. Sedvall. "Increased frequency of aberrant CSF circulation in schizophrenic patients compared to healthy volunteers." European Psychiatry 11, no. 1 (1996): 16–20. http://dx.doi.org/10.1016/0924-9338(96)80454-8.

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SummaryIn a previous cisternographic study of the cerebrospinal fluid (CSF) circulation in schizophrenic patients, indications for disturbed flow dynamics were found in 10 of 30 subjects. In order to replicate and investigate the clinical and pathophysiological significance of this finding, 39 schizophrenic patients and 42 healthy subjects were examined with an improved method for measurement of CSF circulation. 99mTc-DTPA was injected intrathecally and the gamma cisternograms were evaluated blindly. Correlations between cisternography findings and age, duration of disease, previous hospitaliz
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Auer, Ludwig M., and Michael Mokry. "Disturbed Cerebrospinal Fluid Circulation after Subarachnoid Hemorrhage and Acute Aneurysm Surgery." Neurosurgery 26, no. 5 (1990): 804–9. http://dx.doi.org/10.1227/00006123-199005000-00012.

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Abstract In 138 patients with ruptured cerebral aneurysms operated on within 48 to 72 hours after subarachnoid hemorrhage, an external ventricular drainage catheter was inserted before craniotomy and was used intermittently during the first week after surgery. In 51 patients, intracranial pressure (ICP) was measured intraoperatively. The majority of patients showed increased ICP intraoperatively irrespective of the preoperative Hunt and Hess grade and the amount of subarachnoid blood accumulation or intraventricular blood clot. Intraoperative drainage of cerebrospinal fluid allowed easy access
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Khodjiyeva, D. T., D. К. Khaydarova, and N. К. Khaydarov. "ACUTE DISORDERS OF BRAIN CIRCULATION AND TYPE 2 DIABETES." National Journal of Neurology 2018, Special (2018): 57–60. http://dx.doi.org/10.61788/njn.spec.18.8.

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A study of the state of carbohydrate metabolism in patients with acute disorders of cerebral circulation (ADCC) was carried out. It is established that the development of a stroke is often preceded by a period of hyperglycemia. The level of glycosylated hemoglobin affects the clinical course of a stroke, including the restoration of disturbed neurological functions. The debut of diabetes mellitus (DM) can coincide with the development of ADCC.
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Faas, Marijke M., Yuanrui Liu, Lieske Wekema, Gisela A. Weis, Carolien A. van Loo-Bouwman, and Luis Silva Lagos. "The Effect of Antibiotics Treatment on the Maternal Immune Response and Gut Microbiome in Pregnant and Non-Pregnant Mice." Nutrients 15, no. 12 (2023): 2723. http://dx.doi.org/10.3390/nu15122723.

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The gut microbiota are involved in adaptations of the maternal immune response to pregnancy. We therefore hypothesized that inducing gut dysbiosis during pregnancy alters the maternal immune response. Thus, pregnant mice received antibiotics from day 9 to day 16 to disturb the maternal gut microbiome. Feces were collected before, during and after antibiotic treatment, and microbiota were measured using 16S RNA sequencing. Mice were sacrificed at day 18 of pregnancy and intestinal (Peyer’s patches (PP) and mesenteric lymph nodes (MLN)) and peripheral immune responses (blood and spleen) were mea
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Dendukuri, Anshu, Eudorah Vital, Alice Liu, et al. "Disturbed Arterial Flow As a Driver of Perturbed RBC Physiology and Thromboembolic Events in Sickle Cell Disease." Blood 144, Supplement 1 (2024): 5294. https://doi.org/10.1182/blood-2024-212077.

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Introduction: Sickle cell disease (SCD) is a genetic condition marked by abnormal red blood cell morphologies and high levels of hemolysis leading to chronic and severe thromboembolic complications. The biomechanics of the sickle red blood cell (sRBC) has primarily been studied within the context of venous circulation where RBCs adopt their characteristic “sickled” shape. However, much remains to be understood about how the sRBC reacts to the distinct flow patterns found in arterial circulation and its relation to the significant burden of arterial disease observed in SCD. While healthy arteri
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Dissertations / Theses on the topic "Disturbed circulation"

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Даниленко, Ігор Анатолійович, Игорь Анатольевич Даниленко, Ihor Anatoliiovych Danylenko та В. М. Дейнека. "Апробація методу діагностики гострого декомпенсованого порушення мезентеріального кровообігу". Thesis, Сумський державний університет, 2015. http://essuir.sumdu.edu.ua/handle/123456789/41425.

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До одних з найбільш тяжких захворювань органів черевної порожнини відноситься гостре порушення мезентеріального кровообігу (ГПМК). Нажаль, дотепер часто діагностують ГПМК після виключення інших ургентних станів. Зважуючи на це актуальною залишається розробка діагностичного методу, що базувався на даних анамнезу та клінічного обстеження і з високим ступенем вірогідності, давав можливість швидко розпізнавати у пацієнтів ГПМК на стадії ішемії чи, гірше, інфаркту.
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Kokkalis, Efstratios. "Fluid dynamic assessments of spiral flow induced by vascular grafts." Thesis, University of Dundee, 2014. https://discovery.dundee.ac.uk/en/studentTheses/5b96492f-983f-4baa-8e48-20da6939e65c.

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Peripheral vascular grafts are used for the treatment of peripheral arterial disease and arteriovenous grafts for vascular access in end stage renal disease. The development of neo-intimal hyperplasia and thrombosis in the distal anastomosis remains the main reason for occlusion in that region. The local haemodynamics produced by a graft in the host vessel is believed to significantly affect endothelial function. Single spiral flow is a normal feature in medium and large sized vessels and it is induced by the anatomical structure and physiological function of the cardiovascular system. Grafts
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Books on the topic "Disturbed circulation"

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Jarnert, Christina, Linda Mellbin, Lars Rydén, and Jaakko Tuomilehto. Glucose intolerance and diabetes. Oxford University Press, 2015. http://dx.doi.org/10.1093/med/9780199656653.003.0016.

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Diabetes dramatically increases the risk of cardiovascular diseases (CVD). Diabetes is defined by elevated glucose in blood circulation. The level of glycaemia has a graded relation with CVD risk and diabetes is very frequent in people with CVD. In the general population half of the people with type 2 diabetes are undiagnosed, yet efficient methods for population screening exist. Despite considerable improvements in the management of CVD, patients with disturbed glucose metabolism have not benefited to the same extent as those without diabetes. Primary and secondary prevention of CVD in people
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Jarnert, Christina, Linda Mellbin, Lars Rydén, and Jaakko Tuomilehto. Glucose intolerance and diabetes. Oxford University Press, 2017. http://dx.doi.org/10.1093/med/9780199656653.003.0016_update_001.

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Diabetes dramatically increases the risk of cardiovascular diseases (CVD). Diabetes is defined by elevated glucose in blood circulation. The level of glycaemia has a graded relation with CVD risk and diabetes is very frequent in people with CVD. In the general population half of the people with type 2 diabetes are undiagnosed, yet efficient methods for population screening exist. Despite considerable improvements in the management of CVD, patients with disturbed glucose metabolism have not benefited to the same extent as those without diabetes. Primary and secondary prevention of CVD in people
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Book chapters on the topic "Disturbed circulation"

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Brookes, Murray, and William J. Revell. "Disturbed osseous circulation —1: Arterial ischaemia." In Blood Supply of Bone. Springer London, 1998. http://dx.doi.org/10.1007/978-1-4471-1543-4_20.

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Brookes, Murray, and William J. Revell. "Disturbed osseous circulation — 2: Effects of venous obstruction on bone." In Blood Supply of Bone. Springer London, 1998. http://dx.doi.org/10.1007/978-1-4471-1543-4_21.

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Hütter, B. O. "Short-and long-term effects of disturbed CSF circulation after SAH." In Neuropsychological Sequelae of Subarachnoid Hemorrhage and its Treatment. Springer Vienna, 2000. http://dx.doi.org/10.1007/978-3-7091-6327-6_17.

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"Acute aneurysm surgery, disturbed CSF-circulation, intracranial pressure and hydrocephalus." In Timing of Aneurysm Surgery. De Gruyter, 1985. http://dx.doi.org/10.1515/9783110858853-044.

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Shuffelton, Frank. "Thomas Jefferson: Race, Culture, and the Failure of Anthropological Method." In A Mixed Race. Oxford University PressNew York, NY, 1993. http://dx.doi.org/10.1093/oso/9780195075229.003.0014.

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Abstract Thomas Jefferson’s original reluctance to give wide circulation to his Notes on the State of Virginia for fear that his critique of slavery would provoke a backlash against attempts to end it seems more than somewhat ironic, since many readers have been greatly disturbed by the apparent racism that comes into play in his discussion of African Americans. Many readers who admire Jefferson for declaring that all men are created equal are dismayed that he could also proclaim of black men,
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Mortimer, Peter S. "Chronic peripheral oedema and lymphoedema." In Oxford Textbook of Medicine, edited by Jeremy Dwight. Oxford University Press, 2020. http://dx.doi.org/10.1093/med/9780198746690.003.0382.

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Lymph transport, not venous reabsorption, is the main process responsible for interstitial fluid drainage. Oedema develops when the microvascular filtration rate exceeds lymph drainage for a sufficient period, and any chronic oedema represents a failure of lymph drainage. In practice, any chronic oedema should be managed in the same way as lymphedema. The primary function of the lymphatic vessels is to drain the plasma filtrate within body tissues and return it to the blood circulation. Lymphatic vessels also have an important immune surveillance function, as they are the main drainage route f
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Flesher, Kelley, W. Andrew Kofke, and Ramani Balu. "Applied Neuropathophysiology and Neuropharmacology." In Oxford Textbook of Neurocritical Care, 2nd ed., edited by Martin Smith, Giuseppe Citerio, W. Andrew Kofke, and Geert Meyfroidt. Oxford University PressOxford, 2025. https://doi.org/10.1093/med/9780198864714.003.0001.

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Abstract Acute brain injuries share key underlying pathways that may lead to irreversible neural damage. This chapter reviews the basic concepts of applied neuro-(patho)physiology and neuropharmacology, relevant to the care of critically ill brain-injured patients. Key neurotransmitters in brain function and disease include glutamate, gamma-aminobutyric acid, acetylcholine, and biogenic amines. Cerebrospinal fluid and its circulation, as well as the glymphatic system, play an important role. In traumatic brain injury, elevated intracranial pressure remains a critical element. Haemorrhagic and
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Goswami, Chhaya. "Coffee Mocha." In Transregional Trade and Traders. Oxford University Press, 2019. http://dx.doi.org/10.1093/oso/9780199490684.003.0010.

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The second half of the eighteenth century, witnessed a boom in the trade in coffee in Mocha and Muscat. The Kachchhis traders of Mandvi and Surat based traders were central to this trade. The shifts and circumstances of the eighteenth century disturbed the control and Surat was forced to lose the premier position in coffee supply. The considerable coffee trade was diverted to Muscat in the eighteenth century. Concurrently, the Sultans were running into political expansion and risked considerable resources. Kachchhi merchants in Muscat were stressed to contribute. This necessitated the fortune
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Konnov, Vasilii Ivanovich, Ekaterina Eduardovna Domashina, and Valeriia Aleksandrovna Emelianova. "Economic efficiency of gold mining and its impact on recreational areas in Transbaikalia." In The Influence of Creative Industries on the Russian Economy: Service, Hospitality, Advertising and Others. Publishing house Sreda, 2022. http://dx.doi.org/10.31483/r-101179.

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The paper considers the problem of preserving water quality of rivers, in the channel and floodplain part of which gold deposits are developed by open-pit mining. As a result of the study we have developed the simplest engineering solutions for the design of environmental hydraulic structures. Designs of these structures were implemented in the project of Korolevskoye alluvial gold deposit in Transbaikalia. The operation of these structures during the washing of gold-bearing sands in the floodplain part of the Amazar River prevented the contamination of its water by industrial wastewater. The
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Bates, C. J., D. Williams, and D. M. O’Doherty. "Experimental and Computational Modelling of Flow through an Arterial Bypass Graft." In Cardiovascular Flow Modelling and Measurement with Application to Clinical Medicine. Oxford University PressOxford, 1999. http://dx.doi.org/10.1093/oso/9780198505204.003.0009.

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Abstract Distorted mean velocity and turbulence intensity profiles in the horizontal plane of a 30° Y junction at various Reynolds numbers show the significance of the graft geometry and flow conditions on the localisation of atherosclerosis and intimal hyperplasia. Fluctuating wall shear stresses in the graft, which are associated with disturbed flow, are believed to be important factors in the development and localisation of intimal hyperplasia. Atherosclerosis is a common disease in men and women over 60 years old. It is a disease that commences early in life. A study of American soldiers k
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Conference papers on the topic "Disturbed circulation"

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Korobiichuk, Igor, Viktorij Melnick, Vera Kosova, and Kateryna Maksymenko. "DISTURBED MOVEMENT OF THE MOVING PART OF THE GYRO SUSPENSION." In 22nd SGEM International Multidisciplinary Scientific GeoConference 2022. STEF92 Technology, 2022. http://dx.doi.org/10.5593/sgem2022/4.1/s17.06.

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The development of hypersonic technology creates a new challenge for inertial navigation sensors, which are widely used in aviation navigation systems. Improving the accuracy of navigation equipment will reduce fuel consumption and reduce the impact of harmful emissions on the atmosphere. The operation of sensors that are part of navigation systems, such as gyroscopes, work in difficult conditions, which affects their accuracy. A float two-degree angular velocity sensor is considered. The reaction of a float two-stage angular velocity sensor to a simultaneous perturbation from the side of the
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Spannagl, M., W. Dietrich, J. A. Richter, H. Lill, and W. Schram. "EFFECTS OF EXTRACORPOREAL CIRCULATION AND SHED MEDIASTINAL BLOOD ON FIBRINOLYTIC SYSTEM." In XIth International Congress on Thrombosis and Haemostasis. Schattauer GmbH, 1987. http://dx.doi.org/10.1055/s-0038-1644842.

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There is a remarkable increase in fibrinolytic activity during extracorporeal circulation. This activity is due to the release of tissue-plasminogen activator (t-PA) (Stibbe, Kluft e. a. 1982). A reduction of blood substitution requirements can be achieved^by retransfusion of shed mediastinal blood after open heart surgery. However thereby is an additional effect on fibrinolysis. We measured following parameters of the fibrinolytic system in 20 cardiac surgical patients before operation (A), after ECC (B) before retransfusion (C), in the drainage (D) and 20 minutes after retransfusion (E):The
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Amorim, Fabiola N., Mauro Cirano, Ivan D. Soares, and Edmo J. D. Campos. "On the Dynamics of Salvador Canyon, Bahia – Brazil (13°S)." In ASME 2008 27th International Conference on Offshore Mechanics and Arctic Engineering. ASMEDC, 2008. http://dx.doi.org/10.1115/omae2008-57751.

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The dynamics of a large (∼ 22 km wide) and deep (∼ 600 m deep) submarine canyon was investigated using data from three ADCP transects perpendicular to the coast: i) at the canyon axis and ii) at the northern and southern adjacent shelves, as well as high resolution CTD data collected at various hydrographic stations located in each transect. In order to represent the seasonal cycle, the region was seasonally covered during a whole year. Preliminary results show that the wind forcing exerted a great influence on the coastal circulation at the northern and southern canyon’s adjacent shelves. At
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Van Der Smissen, Benjamin, Koen Van Canneyt, Mathias Vermeulen, et al. "Innovative Design of a Venous Valve Intended for PIV Measurements." In ASME 2011 Summer Bioengineering Conference. American Society of Mechanical Engineers, 2011. http://dx.doi.org/10.1115/sbc2011-53515.

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Today, hemodialysis is a common therapy to treat people with severe chronic kidney disease. This therapy strongly relies upon the vascular access that connects the patient’s circulation to the artificial kidney and which is obtained by surgically creating an arteriovenous fistula in the arm. However, due to the high flows involved at the venous side and elevated venous pressures, the functioning of venous valves in the arm is significantly disturbed, which too often bring about serious dysfunctions or complications in the patient [1–2]. To this end, research is done to improve the outcome of v
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Kumar, Rajeev Ranjan, Joseph Zacharia, Surej Kumar Subbiah, et al. "Geomechanics Aided Successful Well Delivery Through Abrasive Rock While Adding New Unconventional Reserves." In Offshore Technology Conference. OTC, 2022. http://dx.doi.org/10.4043/31698-ms.

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Abstract Deep wells drilled down to 4000 m to 4500 m true vertical depth (TVD) in the offshore Kutch-Saurashtra rift basin encounter more than 1500 m of abrasive Deccan Trap volcanics in a 12.25-in. section with target stiff Mesozoic sandstone formations in an 8.5-in. section. Weathered basalt flows, fractured sandstones, tightly cemented siltstones, pyritic shales, abnormal pressures, and complicated transverse isotropic layers test the limits of well construction and engineering design at high-pressure, high-temperature (HPHT) conditions. This reduces the rate of penetration (ROP) and sidetr
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Dake, Timothy J., and Joseph Majdalani. "Improving Flow Circulation in Heat Sinks Using Quadrupole Vortices." In ASME 2009 InterPACK Conference collocated with the ASME 2009 Summer Heat Transfer Conference and the ASME 2009 3rd International Conference on Energy Sustainability. ASMEDC, 2009. http://dx.doi.org/10.1115/interpack2009-89211.

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In this paper, we show that improved air circulation above a heat sink is possible using thin winglet-type vortex generators that can be passively retrofitted to an existing unit. By mounting these vortex generators on the leading edge of heat sink fins, pairs of counter-rotating vortices are induced within the interfin spacing. The vortices disturb the boundary layers and serve to mix the air in the interfin channel. The devices we have designed are passive and can be added to existing systems using a simple clip-on mechanism. In this study, several designs are experimentally investigated for
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Sakuma, Wataru, Shinya Miyata, Manabu Maruyama, and Junto Ogawa. "Feasibility Study on the Natural Circulation Cooling Procedure at the Loop Unbalanced Condition." In 2017 25th International Conference on Nuclear Engineering. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/icone25-67660.

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In typical pressurized water reactor (PWR) plant, in case that one steam generator (SG) is dried out and cannot be credited for the primary cooldown, at least one reactor coolant pump (RCP) has to be operated in order to homogenize the primary coolant temperature distribution among loops when the plant is cooled down to the cold shutdown state. For example, an accident such as steam line break (SLB) and feedwater line break (FLB) leads to this situation. If the natural circulation condition is established due to unavailability of all the RCPs, the natural circulation in the primary loop connec
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Mukherjee, A., and S. G. Kandlikar. "Effect of Contact Angle on the Heat Transfer to an Evaporating Meniscus on a Moving Heated Surface." In ASME 2005 Summer Heat Transfer Conference collocated with the ASME 2005 Pacific Rim Technical Conference and Exhibition on Integration and Packaging of MEMS, NEMS, and Electronic Systems. ASMEDC, 2005. http://dx.doi.org/10.1115/ht2005-72771.

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Numerical simulation is carried out to study a 2D evaporating meniscus formed on a moving wall. The complete Navier-Stokes equations along with continuity and energy equations are solved. The liquid vapor interface is captured using the level set technique. The meniscus is fed with saturated water from the top whereas the bottom wall is maintained at a higher temperature and is also imparted with a velocity. The meniscus attains a steady shape when all the incoming liquid gets evaporated due to heat transfer from the wall. The advancing and receding contact region of the meniscus are provided
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ElSherbeny, Wael, Kevin McCarthy, Taylor Mattie, Rakan Al-Murshed, and Mohammad Alshamry. "Geothermal Pre-Drilling Decision Optimization: Methodologies and Case Histories." In Middle East Oil, Gas and Geosciences Show. SPE, 2023. http://dx.doi.org/10.2118/213251-ms.

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Abstract Geothermal formations are hot, often hard, highly fractured and under-pressured. They often contain corrosive fluids and some formation fluids that have very high solids content. These harsh environments mean that drilling is usually difficult. Challenges include degradation of drilling fluids with associated variances in fluids properties, difficulty in managing mud systems, slow rate of penetration, short bit life and lost circulation. The potential for fines migration and induced formation damage in geothermal wells is significantly high due to weakening of attaching electrostatic
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Duthie, L. S., M. A. Harthi, O. T. Afif, and Z. Zaouali. "Effective Wireline Conveyed Solutions Replacing Traditional Coiled Tubing Operations." In SPE/ICoTA Well Intervention Conference and Exhibition. SPE, 2024. http://dx.doi.org/10.2118/218296-ms.

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Obstructions in a wellbore are often a costly and challenging problem to resolve. Obstructions can appear in many different forms such as scale, debris, sand, stuck plugs, etc, and may restrict production or prevent well intervention for all logging operations. Coiled tubing or chemical treatment are traditional methods to clear any obstructions, although these solutions may not always be suitable or the most efficient. Real time wireline deployed tools provide a cost-effective and efficient alternative. The wireline deployed debris removal and milling tools are run in combination with a tract
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