Academic literature on the topic 'Reservoir ventilation'

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Journal articles on the topic "Reservoir ventilation"

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Goularte, Theresa A., Marie Manning, and Donald E. Craven. "Bacterial Colonization in Humidifying Cascade Reservoirs After 24 and 48 Hours of Continuous Mechanical Ventilation." Infection Control 8, no. 5 (1987): 200–203. http://dx.doi.org/10.1017/s0195941700065942.

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AbstractWe evaluated levels of bacterial colonization in the humidifying cascade reservoirs of 466 mechanical ventilators; 326 reservoirs were cultured after 24 hours and 140 were cultured after 48 hours of continuous mechanical ventilation. Bacterial colonization was absent in 284 (87.1%) of the humidifier reservoirs sampled at 24 hours and 125 (89.3%) of the reservoirs cultured at 48 hours. Levels of bacterial colonization in the remaining humidifiers were low (<100 organisms/mL). The median temperature recorded in the reservoir fluid of 30 different ventilators was 50°C (range 40° to 60°
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Barnes, Thomas A., and Mary E. Watson. "Oxygen Delivery Performance of Four Adult Resuscitation Bags." Prehospital and Disaster Medicine 1, S1 (1985): 204–10. http://dx.doi.org/10.1017/s1049023x00044484.

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The Vitalograph bag resuscitator with the old and new reservoirs, the PMR 1, the PMR 2, and the Laerdal bag resuscitator were studied at various oxygen flowrates and ventilation patterns, with and without oxygen reservoirs, to determine fractional delivered oxygen (FDO2) and function of patient valves. The Vitalograph with the new or the old reservoir and the PMR 1 cannot deliver high oxygen concentrations (FDO2> 0.90) and should not be used when high FDO2is important. The PMR 2 and the Laerdal cannot deliver high oxygen concentrations without a reservoir attached; but with a reservoir
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Menéndez, Javier, and Jorge Loredo. "Numerical modelling of water subsurface reservoirs during the operation phase in underground pumped storage hydropower plants." E3S Web of Conferences 152 (2020): 02001. http://dx.doi.org/10.1051/e3sconf/202015202001.

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Underground pumped storage hydropower (UPSH) plants may be an alternative to store subsurface energy with lower environmental impacts than conventional pumped storage hydropower (PSH) plants. Network of tunnels in closed mines (i.e. coal mines) could be used as water lower reservoir of UPSH plants. The amount of storable energy depends on the water mass and the net head between upper and lower reservoirs. Depending on the direction of the water flow rate, pumping or turbine modes may be used to produce or consume electrical energy. Filling and emptying processes during the operation stage in t
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Ma, Li, and Yuan Yuan Li. "The Air-Conditioning Rtilization of Natural Cold Resource of Lakes and Reservoirs." Advanced Materials Research 243-249 (May 2011): 6947–50. http://dx.doi.org/10.4028/www.scientific.net/amr.243-249.6947.

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In the reservoir water temperature conducted annual test, test data shows that water temperature perennial remain in 9 ~ 10 in certain depth below. Reservoirs and lakes are huge natural cold source. In an air conditioning engineering, the reservoir cold water was directly used as cooling source. The air conditioning effect is good and to gets good energy-saving and environmental benefits. It suggests that solar energy, natural ventilation and natural cold and heat storage in water should be widely used in the western tourist architecture in order to achieve low carbon tourism.
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Miller, D. M. "An Enclosed Efferent Afferent Reservoir System: The Maxima." Anaesthesia and Intensive Care 23, no. 3 (1995): 284–91. http://dx.doi.org/10.1177/0310057x9502300303.

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A single, lightweight, valveless, non-absorber breathing system, which functions with near maximal efficiency (hence the name Maxima) in spontaneous and controlled ventilation is described. It may be classified as an enclosed efferent afferent reservoir (EEAR) breathing system and is characterised by the selective elimination of alveolar gas in all modes of ventilation. A functional description explains how this is achieved in the system in spontaneous and controlled ventilation. The potential for error which arises in combination systems for different switch positions with different modes of
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Liu, Sen. "Research on Elimination Technology of Compressed Air Columns in Coal Mine Pumped Storage Underground Reservoir." Journal of Scientific and Engineering Research 10, no. 2 (2023): 116–26. https://doi.org/10.5281/zenodo.10453858.

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<strong>Abstract </strong>In order to effectively solve the problem of compressed air accumulation in coal mine pumped-storage underground reservoirs, increase ventilation safety, and reduce reservoir capacity loss, combined with specific engineering cases, a corresponding numerical model is established and simulation plans are made. The simulation results show that without additional ventilation measures, the air in the underground reservoir will accumulate and compress in the tunnel, and the final compressed air column volume is about 860m3; under the condition of additional ventilation meas
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Smolich, Joseph J., Kelly R. Kenna, and Jonathan P. Mynard. "Retrograde lower body arterial reservoir discharge underlies rapid reversal of ductus arteriosus shunting after early cord clamping at birth in preterm lambs." Journal of Applied Physiology 120, no. 4 (2016): 399–407. http://dx.doi.org/10.1152/japplphysiol.00794.2015.

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Arterial reservoir (“windkessel”) function, whereby a part of left ventricular (LV) output is stored in elastic arteries during systole and discharged in diastole, is a well-established physiological phenomenon. However, its role in rapid reversal (to left-to-right) and a systolic-to-diastolic shift of shunting across the ductus arteriosus after birth is unknown. To address this question, ductal and aortic isthmus flows were measured with high-fidelity transit-time probes in six anesthetized preterm fetal lambs before and after cord clamping and subsequent early mechanical ventilation and for
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Lach, Agnieszka W., and André V. Gaathaug. "Effect of Mechanical Ventilation on Accidental Hydrogen Releases—Large-Scale Experiments." Energies 14, no. 11 (2021): 3008. http://dx.doi.org/10.3390/en14113008.

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This paper presents a series of experiments on the effectiveness of existing mechanical ventilation systems during accidental hydrogen releases in confined spaces, such as underground garages. The purpose was to find the mass flow rate limit, hence the TPRD diameter limit, that will not require a change in the ventilation system. The experiments were performed in a 40 ft ISO container in Norway, and hydrogen gas was used in all experiments. The forced ventilation system was installed with a standard 315 mm diameter outlet. The ventilation parameters during the investigation were British Standa
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Stocker, Thomas F., and Daniel G. Wright. "The Effect of a Succession of Ocean Ventilation Changes on 14C." Radiocarbon 40, no. 1 (1997): 359–66. http://dx.doi.org/10.1017/s0033822200018233.

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Using the model of Stacker and Wright (1996), we investigate the effect of a succession of ocean ventilation changes on the atmospheric concentration of radiocarbon, δ14Catm, the surface reservoir ages, the top-to-bottom age differences, and the calendar-14C age relationships in different regions of the ocean. The model includes a representation of the cycling of 14C through the atmosphere, the ocean and the land biosphere. Ocean ventilation changes are triggered by increasing rates of freshwater discharge into the North Atlantic, which are determined according to a simple feedback mechanism b
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Wang, Tianqi, Ou Han, Angui Li, and Haiguo Yin. "Column-Attached Airflow Fields Created by Multi-slot in Single Ring." E3S Web of Conferences 356 (2022): 01018. http://dx.doi.org/10.1051/e3sconf/202235601018.

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Researchers have shown increasing interest in attachment ventilation due to its high ventilation efficiency and good thermal comfort. To meet the ventilation performance and engineering design challenges of Circular Column Attached Ventilation (CCAV) mode due to low ventilation rates, large-diameter cylinders, and installation too high at the top of large spaces. This paper proposes a novel ventilation mode known as Column-attached ventilation with Multi-slot in Single Ring (MCAV). Through measurement of air velocity and computational fluid dynamics simulation, the air distribution characteris
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Dissertations / Theses on the topic "Reservoir ventilation"

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Erdogan, Sinem Setenay. "A Preliminary Study On The Use Of Reservoir Simulation And Coal Mine Ventilation Methane Measurements In Determining Coal Reservoir Properties." Master's thesis, METU, 2011. http://etd.lib.metu.edu.tr/upload/12613047/index.pdf.

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This thesis investigates methane emissions and methane production potentials from abandoned longwall panels produced or emitted due to mining activities either from coal seam or any underlying or overlying formations. These emissions can increase greenhouse gas concentrations and also pose a danger to the underground working environment and to miners. In addition to the safety issues, recovery and utilization of this gas is an additional source of energy. In this study, methane concentrations measured from ventilation air ways in Yeni &Ccedil<br>eltek Coal Mine, which is located in Suluova bas
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Yusuf, Isse Muna, and Aissa Safia Tahar. "Ventilering av koldioxid ur kardiotomi-reservoar." Thesis, KTH, Skolan för teknik och hälsa (STH), 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-169913.

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Vid hjärtoperationer leder man bort blodet från hjärtat och kopplar upp patienten till en hjärt-lungmaskin med tillhörande behållare (kardiotomi-reservoar). I det öppna såret tillförs koldioxid kontinuerligt. Detta görs för att avlufta sårhålan och hindra luft från att komma in i hjärtat och de stora kärlen under kirurgi. Ett gasutbyte sker då mellan vävnaden i såret och den tillförda koldioxiden. Då blodet senare sugs upp av en sugslang hamnar det i kardiotomi-reservoaren och den totala koldioxidhalten i patientens blod riskerar att bli ännu högre. Denna rapport behandl
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Гарбуз, С. В. "Підвищення екологічної безпеки процесу вентиляції резервуарів з нафтопродуктами". Thesis, Національний університет цивільного захисту України, 2018. http://essuir.sumdu.edu.ua/handle/123456789/68005.

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Дисертація присвячена підвищенню рівня екологічної безпеки за рахунок розроблення технології примусової вентиляції резервуарів для зберігання нафтопродуктів, що реалізується інноваційним ежекторно-вихровим способом подання повітря, та абсорбційно-конденсаційної технології уловлення парів летких вуглеводнів, що забезпечує додержання нормативів шкідливого впливу на атмосферне повітря й одержання додаткового еколого-економічного ефекту шляхом використання їх як товарної продукції. Розроблений екологічно безпечний спосіб дегазації наземних резервуарів для зберігання світлих нафтопродуктів, що дозв
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Books on the topic "Reservoir ventilation"

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Rello, Jordi, and Bárbara Borgatta. Pathophysiology of pneumonia. Oxford University Press, 2016. http://dx.doi.org/10.1093/med/9780199600830.003.0115.

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Airway colonization, ventilator-associated tracheobronchitis (VAT), and hospital-acquired (HAP) and ventilator-associated pneumonia (VAP) are three manifestations having the presence of micro-organisms in airways in common. Newer definitions have to consider worsening of oxygenation, in addition to purulent respiratory secretions, chest-X rays opacities, and biomarkers of inflammation. Bacteria are the main causes of HAP/VAP. During hospitalization there’s a shift of airway’s colonizing flora from core organisms to enteric and non-fermentative ones. Macro- and micro-aspiration is the most impo
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Book chapters on the topic "Reservoir ventilation"

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Algul, Sermin, and Oguz Ozcelik. "Physiology of Pulmonary Circulation & Related Structures." In Pulmonary Circulation Related Structures. Nobel Tip Kitabevleri, 2024. http://dx.doi.org/10.69860/nobel.9786053358886.3.

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The pulmonary circulation, which includes the movement of blood from the heart to the lungs and back, facilitates gas exchange and serves several other functions. It differs from systemic circulation but is crucial for maintaining homeostasis. Pulmonary vessels protect against thrombi and emboli, metabolize vasoactive hormones, and act as a blood reservoir. Hemodynamically, pulmonary circulation is characterized by high flow, low pressure, and low resistance. Pulmonary vascular resistance adjusts to changes in cardiac output and lung volume, impacting gas exchange efficiency. Hypoxia can induc
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Thakur, Pramod. "Reservoir Properties of Coal Seams." In Advanced Mine Ventilation. Elsevier, 2019. http://dx.doi.org/10.1016/b978-0-08-100457-9.00014-6.

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Jun, Charles, and Ned F. Nasr. "Non-Circle Systems." In Basic Anesthesia Review, edited by Alaa Abd-Elsayed. Oxford University PressNew York, 2024. http://dx.doi.org/10.1093/med/9780197584569.003.0030.

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Abstract The non-circle system was the beginning of an evolution of breathing systems meant to provide anesthetic gases and ventilation to patients. Though a very rudimentary way of providing anesthetic agents, it was nonetheless a very important development in the field of the anesthesia. The non-circle system could be subdivided into two categories: open systems and semi-open systems. The open system is an indirect and noninvasive way to deliver anesthetic agents to patients; specifically, this method is still utilized to provide anesthesia to pediatric patients. The open system has no reser
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Karacan, C. "Development and application of reservoir models for the evaluation and optimization of longwall methane control systems." In 11th US/North American Mine Ventilation Symposium 2006. Taylor & Francis, 2006. http://dx.doi.org/10.1201/9781439833391.ch60.

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Miguel, Edson Arpini, Isadora Martins Borba, Maria Carolina Mota dos Santos, and Daniel de Matos Silva. "NON-INVASIVE RESPIRATORY SUPPORT BY OXYGENATION HELMET IN ACUTE RESPIRATORY FAILURE: A SCOPING REVIEW." In Health in Focus: Multidisciplinary Approaches. Seven Editora, 2024. http://dx.doi.org/10.56238/sevened2024.030-002.

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Noninvasive ventilation (NIV) has shown promise in the context of acute respiratory failure, as it inhibits the progression of mild to moderate clinical conditions, sometimes sparing the need for invasive ventilation. One of the prominent interfaces, widely used in the scenario of the covid-19 pandemic, was the helmet device – a helmet made of transparent material that surrounds the patient's head like an air reservoir. Despite its wide use, the medical literature is little explored regarding the advantages and clinical indications for the use of this device. For these reasons, the present sco
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Labovská, Silvia. "Pseudomonas aeruginosa as a Cause of Nosocomial Infections." In Pseudomonas aeruginosa - Biofilm Formation, Infections and Treatments. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.95908.

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Pseudomonas aeruginosa, as a gram-negative aerobic rod, is still one of the most resistant agents of nosocomial infections. It is used for the development of respiratory, urinary and wound infections. It causes bacteremia, especially in patients who are hospitalized for anesthesiology and resuscitation department or ICU, who often have respiratory insufficiency and hemodynamic instability and require artificial lung ventilation. Mechanical ventilation itself is a significant risk factor for the development of pseudomonad pneumonia. Pseudomonas aeruginosa has enzymes that are encoded on both ch
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Jun, Charles, and Ned F. Nasr. "Circle System." In Basic Anesthesia Review, edited by Alaa Abd-Elsayed. Oxford University PressNew York, 2024. http://dx.doi.org/10.1093/med/9780197584569.003.0029.

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Abstract The circle system is the most common design for anesthesia machines. Its components include the one-way valves on the expiratory and inspiratory limbs, corrugated breathing tubes, Y piece, APL valve, Reservoir Bag, CO2 cannister. The circle system can be utilized as either a closed or semi-closed system depending on the mode of ventilation and the setting on the APL valve. Thus, rebreathing is either minimal or non-existent. This circuit can be used in people of nearly all ages, but certain considerations must be taken into for neonates and infants due to their inherent physiological
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Magee, Patrick, and Mark Tooley. "Gas pressure, Volume and Flow Measurement." In The Physics, Clinical Measurement and Equipment of Anaesthetic Practice for the FRCA. Oxford University Press, 2011. http://dx.doi.org/10.1093/oso/9780199595150.003.0018.

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The physics of pressure, flow and the gas laws have been discussed in Chapter 7 in relation to the behaviour of gas and vapour. This section will focus on the physical principles of the measurement of gas pressure, volume and flow. Unlike a liquid, a gas is compressible and the relationship between pressure, volume and flow depends on the resistance to gas flow (or impedance if there is a frequency dependence between pressure and flow in alternating flow, see Chapter 4 for the electrical analogy of this) in conduits (bronchi, anaesthetic tubing); it also depends on the compliance of structures
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Magee, Patrick, and Mark Tooley. "Breathing Systems." In The Physics, Clinical Measurement and Equipment of Anaesthetic Practice for the FRCA. Oxford University Press, 2011. http://dx.doi.org/10.1093/oso/9780199595150.003.0029.

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An anaesthetic breathing system is a means of transferring the breathing gas mixture from the anaesthetic machine common gas outlet to the patient. It is also the means of transferring the exhaled gas from the patient to the outside world, usually via a scavenging system. Alternatively, after the carbon dioxide is absorbed from the exhaled gas, the unused fresh gas components of the exhaled gas are recirculated back to the patient. In general, a breathing system consists of a fresh gas limb, an inspiratory and expiratory limb, an expiratory valve, a reservoir bag and it may also consist of one
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Attia, Maged. "Sustainability Features of Jeddah Traditional Housing." In Sustainable Housing [Working Title]. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.98735.

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Sustainability is clearly represented in Jeddah old city where traditional builders have developed unique practices that promote environmental, social and economic qualities. The urban form and buildings proved efficiency towards the conservative society, the pattern of life and the prevailing hot-humid climate. The open space system, characterized by narrow walkways and wider intersections, provided shaded and ventilated places for walking and communicating. Houses were configured according to social traditions that imply the separation between private and public life. Walls were constructed
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Conference papers on the topic "Reservoir ventilation"

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Yushkova, L., A. Donchenko, and I. Mel'cov. "FROM THE EXPERIENCE OF FODDER PRODUCTION AT THE PERSONAL COMPOUN." In SCIENTIFIC SUPPORT FOR LIVESTOCK BREEDING IN SIBERIA. Krasnoyarsk Scientific Research Institute of Agriculture is a separate division of the Federal Research Center KSC SB RAS, 2024. https://doi.org/10.52686/9785605087915_432.

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The transfer of animal husbandry to an industrial basis, carried out under the guidance and instructions offered by zootechnical science, from year to year exacerbated veterinary problems. Many of the proposed innovations were the cause of mass diseases of productive animals. Such innovations were the rejection of litter, in the name of the work of manure conveyors, and the very fact of the operation of these conveyors, which form a permanent reservoir of enteral microflora pathogens and contribute to unsanitary conditions in milk production. Contributed to the emergence of diseases silage-con
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Bianco, Vincenzo, Bernardo Buonomo, Alessandra Diana, Oronzio Manca, and Sergio Nardini. "Numerical Investigation on Thermal and Fluid Dynamics Behaviors of the Exit Section Effect in Inclined Ventilated Roofs." In ASME 2016 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/imece2016-67431.

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One of the most important requirements for building performance is energy saving and recovering and they are chased developing new strategies for the reduction of energy consumption, due to the heat flux transmitted through buildings envelopes. This work examines a prototypal ventilated roof numerically using a two-dimensional model in Ansys Fluent. Only a single flap of the roof is analyzed because its structure is geometrically and thermally symmetrical. The objective of this work is to study the thermal and fluid dynamic behaviors of a ventilated roof for different configurations of the exi
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Say, Buser, Ga Wu, Yu Qing Zhou, and Scott Sanner. "Nonlinear Hybrid Planning with Deep Net Learned Transition Models and Mixed-Integer Linear Programming." In Twenty-Sixth International Joint Conference on Artificial Intelligence. International Joint Conferences on Artificial Intelligence Organization, 2017. http://dx.doi.org/10.24963/ijcai.2017/104.

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In many real-world hybrid (mixed discrete continuous) planning problems such as Reservoir Control, Heating, Ventilation and Air Conditioning (HVAC), and Navigation, it is difficult to obtain a model of the complex nonlinear dynamics that govern state evolution. However, the ubiquity of modern sensors allow us to collect large quantities of data from each of these complex systems and build accurate, nonlinear deep network models of their state transitions. But there remains one major problem for the task of control -- how can we plan with deep network learned transition models without resorting
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Woods, Kevin D., and Alfonso Ortega. "A Model for a Geothermal Well in a Hydraulic Groundwater Flow for Ground Source Heat Pump Systems." In ASME 2011 5th International Conference on Energy Sustainability. ASMEDC, 2011. http://dx.doi.org/10.1115/es2011-54679.

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Heat pumps are mechanical systems that provide heating to a space in the winter, and cooling in the summer. They are increasingly popular because the same system provides both cooling modes, depending on the direction of the cycle upon which they operate. For proper operation, the heat pump must be connected to a constant temperature thermal reservoir which in traditional systems is the ambient air. In ground source heat pumps however, subterranean ground water is used as the thermal reservoir. To access the subterranean groundwater, “geothermal” wells are drilled into the formation. Water fro
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