Academic literature on the topic 'Air-jacket'

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Journal articles on the topic "Air-jacket"

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Suwondo, Edy Warsopurnomo, and Ahmad Muchlisin. "FAKTOR-FAKTOR PENYEBAB RETAKNYA JACKET COOLING DI CYLINDER MAIN ENGINE MT. SEI PAKNING." Dinamika Bahari 8, no. 2 (2018): 2029–44. http://dx.doi.org/10.46484/db.v8i2.74.

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Jacket cooling sebagai selimut cylinder liner dan cylinder cover yang didalamnyaberupa air pendingin (air tawar) dengan temperatur tertentu yang digunakan untukmenyerap panas yang dihasilkan oleh pembakaran bahan bakar di dalam silinder. Faktoryang mempengaruhi keretakan jacket cooling main engine di bagian cylinder cover sebagaiberikut: (a) Pemasangannya (instal), (b) Usia dari material (running hours), (c) Temperaturdan tekanan air pendingin, (d) Perawatan (maintenance), (e) Kualitas air pendingin, (f)Kebocoran pada seal jacket yang sudah diketahui tetapi tidak dilakukan tindakanpenanganan (
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Sumarno P.S., Dwi Prasetyo, and Saiful Hadi Prasetyo. "IDENTIFIKASI PENYEBAB KERUSAKAN SEAL CARGO PUMP DALAM PROSES DISCHARGING MUATAN KIMIA CAIR." Dinamika Bahari 8, no. 2 (2018): 2045–62. http://dx.doi.org/10.46484/db.v8i2.75.

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Jacket cooling sebagai selimut cylinder liner dan cylinder cover yang didalamnyaberupa air pendingin (air tawar) dengan temperatur tertentu yang digunakan untukmenyerap panas yang dihasilkan oleh pembakaran bahan bakar di dalam silinder. Faktoryang mempengaruhi keretakan jacket cooling main engine di bagian cylinder cover sebagaiberikut: (a) Pemasangannya (instal), (b) Usia dari material (running hours), (c) Temperaturdan tekanan air pendingin, (d) Perawatan (maintenance), (e) Kualitas air pendingin, (f)Kebocoran pada seal jacket yang sudah diketahui tetapi tidak dilakukan tindakanpenanganan (
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Abou Taleb, F. S., and J. A. Al-jarrah. "Experimental Study of an Air Lift Pump." Engineering, Technology & Applied Science Research 7, no. 3 (2017): 1676–80. http://dx.doi.org/10.48084/etasr.1207.

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In this investigation the effect of submergence ratio and air jacket on the performance of the air lift pump has been studied. Three types of air jackets in addition to five levels of submergence ratios were used. Each air jacket has a number of drilled holes distributed uniformly at the perimeter of the inside pipe, where the total area of drilled holes was kept constant. It has been found that the water flux increases as the submergence ratio increased. Also it was found that the minimum air flux required to start discharging water from the pump decreases as the submergence ratio increases.
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Abou, Taleb F. S., and J. A. Al-jarrah. "Experimental Study of an Air Lift Pump." Engineering, Technology & Applied Science Research 7, no. 3 (2017): 1676–80. https://doi.org/10.5281/zenodo.809261.

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In this investigation the effect of submergence ratio and air jacket on the performance of the air lift pump has been studied. Three types of air jackets in addition to five levels of submergence ratios were used. Each air jacket has a number of drilled holes distributed uniformly at the perimeter of the inside pipe, where the total area of drilled holes was kept constant. It has been found that the water flux increases as the submergence ratio increased. Also it was found that the minimum air flux required to start discharging water from the pump decreases as the submergence ratio increases.
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Li, Youyi, and Tianhao Tang. "Performance Analysis and Optimization of a Series Heat Exchangers Organic Rankine Cycle Utilizing Multi-Heat Sources from a Marine Diesel Engine." Entropy 23, no. 7 (2021): 906. http://dx.doi.org/10.3390/e23070906.

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Organic Rankine Cycle (ORC) is an effective way to recycle waste heat sources of a marine diesel engine. The aim of the present paper is to analyze and optimize the thermoeconomic performance of a Series Heat Exchangers ORC (SHEORC) for recovering energy from jacket water, scavenge air, and exhaust gas. The three sources are combined into three groups of jacket water (JW)→exhaust gas (EG), scavenge air (SA)→exhaust gas, and jacket water→scavenge air→exhaust gas. The influence of fluid mass flow rate, evaporation pressure, and heat source recovery proportion on the thermal performance and econo
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Chen, Yu, Yun Bing He, and Tao Wang. "Analysis of Water Jacket Furnace Air Coil Blockage." Applied Mechanics and Materials 233 (November 2012): 396–400. http://dx.doi.org/10.4028/www.scientific.net/amm.233.396.

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Water Jacket Furnace is a kind of indispensable equipment in the process of oil and gas field production, gathering and transportation. It is mainly responsible for the warming and energy supply of gathering and transportation system. After production, the oil of natural gas firstly enters the Water Jacket Furnace for pressure regulation, thermal insulation and then received the processing of separation, filtration, pressure regulation and metering; natural gas containing more impurities will gradually form sediment and eventually block the snakelike coil, resulting in Water Jacket Furnace hea
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Oktavianto, Iqbal Dwi, Eko Prayitno, Kuntoro Bayu Ajie, Shofa Dai Robbi, and Monika Retno Gunarti. "Identifikasi Penyebab Kebocoran Pada Jacket Cooling Fresh Water Main Engine Tipe Man B&W 6L35MC di MT.Tirtasari." RIGGS: Journal of Artificial Intelligence and Digital Business 4, no. 2 (2025): 3422–27. https://doi.org/10.31004/riggs.v4i2.1033.

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Jacket cooling main engine adalah sistem pendingin yang terletak antara dinding silinder dan blok silinder. Fluida pendingin mengalir di area ini untuk menyerap panas dari dinding silinder, lalu bersirkulasi. Penelitian dilakukan karena adanya kebocoran pada jacket cooling main engine yang menyebabkan kapal berhenti untuk perbaikan. Tujuan penelitian adalah untuk mengetahui faktor penyebab kebocoran, dampak yang terjadi, dan upaya yang diambil untuk mengatasi masalah ini. Data dikumpulkan melalui observasi, wawancara, dan studi pustaka. Hasil penelitian menunjukkan bahwa kebocoran disebabkan o
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Awais, Muhammad, Sybille Krzywinski, and Yordan Kyosev. "Numerical Investigation of the Air Gap Distribution of Jackets with Different Fits and its Influence on Human Temperature." Fibres and Textiles in Eastern Europe 29, no. 6(150) (2021): 77–86. http://dx.doi.org/10.5604/01.3001.0015.2727.

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The air gaps underneath clothing have a great influence on the thermal regulation of the human body. The distribution of the air gaps depends on the shape of the human body as well as on clothing style, fit, and deformation properties. This paper reports on the influence of clothing fit on thermophysiological parameters of the human body through thermal simulation. Four different fits of jacket and a test person were considered for the investigation and for simulation purposes. The results of the simulation concluded that different thermal regulations of the human body were exhibited for diffe
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Burmistrova, Olga V., Sergey Yu Perov, and Tatyana A. Konshina. "Comparative physiological and hygienic assessment of the personal protective equipment EP-4(0) in the various assembly according to human thermal state indices." Hygiene and sanitation 100, no. 3 (2021): 229–33. http://dx.doi.org/10.47470/0016-9900-2021-100-3-229-233.

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Introduction. The article presents results of the study of the impact of the personal protective equipment EP-4 (0) in various assembly (overalls, jacket and trousers, jacket and semi-overall) from power frequency electric field and electrical shock on the thermal state of workers in a heating environment at air temperature 34.8 ○C and relative humidity 48%. Materials and methods. The study involved three men aged 35.3±4.6 years. They did the physical exercise for 40 minutes, had comfortable relaxation for 30 minutes after work. Recorded indices included skin temperature and moisture sensation
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Anusha, Dr P., Dr M. Naga Swapna Sri, and V. Sravani. "Experimental Reduction of Condenser Exit Temperature in VCR System with Condenser Jacket." YMER Digital 21, no. 02 (2022): 474–87. http://dx.doi.org/10.37896/ymer21.02/47.

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The Air Conditioner’s condenser chamber releases hot air into the environment which leads to increase in temperature which has a great impact on the environment. The exhaust air produced in the air conditioner was hot air, which led to an increase in global warming and a decrease in the ozone layer. The role of the Condenser jacket is to cool down the hot air that released from the condensers outlet unit. The mud glass and dry grass inserted in the aluminium mesh which absorbs the hot air with the help of water. So the hot air turns to cold and leads to a reduction in global warming due to was
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Dissertations / Theses on the topic "Air-jacket"

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Rafiri, Matumelo Alice. "Vegetative propagation of Pappea capensis Eckl.&Zeyh. (Jacket plum) by means of stem cuttings and air layers." Diss., University of Pretoria, 2010. http://hdl.handle.net/2263/27677.

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Jacket plum [ Pappea capensis ( Eckl.&Zeyh)] belongs to the Sapindaceae or Litchi family. It is well adapted to different climatic conditions. It has been used for medicinal purposes for both animals and human beings. Due to the richness of seeds in oil, it has great potential to be selected for production of biodiesel in South Africa. Suitable vegetative propagation methods for Pappea capensis trees have not yet been investigated and sexual propagation does not produce true-to-type plants, which take many years to bear fruits. Therefore, research was carried out to identify alternative method
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徐桂源. "Develop;ment of experimental method and FE analysis model for evaluation of motorcycle air-jacket protection effect." Thesis, 2002. http://ndltd.ncl.edu.tw/handle/08523938822521461197.

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碩士<br>國立中正大學<br>機械系<br>90<br>Accident of motorcyclist can cause sever head, neck, thorax and cervical spine injuries. Attention should be given to study better protection devices to absorb more energy as motorcyclist subjected to impact load. So far, helmet is the most common safety product to protect head injury. During the impact, helmet will deform to absorb the impact energy and protect head. However, the protective device for neck, thorax and cervical spine does not have standard products. There are no testing methods to evaluate the protective performance of those products. Therefore, th
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Books on the topic "Air-jacket"

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Lederer, Gregor. Rocket Engine on a Student Budget. Technische Universität Dresden, 2021. http://dx.doi.org/10.25368/2022.406.

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A technical project alongside the University courses can deepen the understanding and increase the motivation for the subject of choice. As a student, there is often a hurdle to start such a project because of a lack of inspiration. And even after overcoming this, the costs associated with such a project may put students off. With my project I show how a 3rd semester Mechanical Engineering student can design and manufacture a rocket engine with all testing components on a student budget. Cost structure and resource planning are explained in detail. I launched the project in December 2020 and i
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Book chapters on the topic "Air-jacket"

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Kalantari, H., D. Baidya, S. A. Ghoreishi-Madiseh, and A. P. Sasmito. "Waste heat recovery from diesel generator jacket water for mine intake air pre-heating in cold climates: A numerical study." In Mine Ventilation. CRC Press, 2021. http://dx.doi.org/10.1201/9781003188476-47.

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Liu, Ji, Yan-Hua Zhou, Xiao-Xiao Wang, et al. "Effects of Different Types of Incubators on Embryo Development and Clinical Outcomes." In Infertility and Assisted Reproduction [Working Title]. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.97833.

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Main differences of incubators are humidity, temperature and gas control ways, which play important roles in regulating the steady state of culture media. In this study, we compared the effects of different types of incubators (air jacket incubators and water jacket incubators) on embryo development and clinical outcomes in human assisted reproduction. We found that temperature recovery time in air jacket incubators was significantly shorter than that in water jacket incubators. Although the O2 recovering time was also significantly shorter in air jacket incubators as compared with the water j
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Mahajan, Gurpreet. "Living with Religious Diversity: The Limits of the Secular Paradigm." In The Problem of Religious Diversity. Edinburgh University Press, 2017. http://dx.doi.org/10.3366/edinburgh/9781474419086.003.0004.

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In April 2016, Air France sent an email to the women crewmembers instructing them to ‘wear trousers during flights to Iran and to don a “loose-fitting jacket and headscarf” before leaving the plane in Tehran’ (Willsher 2016). Many people were outraged by this announcement. While some people saw this as a sign of France yielding, if not being subservient, to the demands of the Muslim culture, others complained that women were being compelled to wear ‘ostentatious religious signs’ – something that France prohibits explicitly in its own territory. Eventually the matter was settled as the airline
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Bauer, Mark S. "Aimee Grunberger m(1951–1995)." In A Mind Apart. Oxford University PressNew York, NY, 2008. http://dx.doi.org/10.1093/oso/9780195336405.003.0114.

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Abstract The Administration of Veterans I just saw him, had to slow way down to be sure. Whatever the opposite of remission is, this was it. He stood there, an urban Robinson Crusoe, sunburnt, barefoot, shirt in tatters, hair and beard electrified, drinking the dregs of coffee cups at a sidewalk café. Jabbing a finger in the air, giving the finger to City Hall to the bank that calls itself Citizens’ to the boarded-up Union Station, stranded on a trackless railbed. He was keening in almost-Gaelic. It might have been the wake of Parnell. I remember how he once inspired the other vets. So clean a
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Conference papers on the topic "Air-jacket"

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Zheng, Q. R., Q. Y. Pan, C. Jie, H. J. Zhi, and J. M. Lin. "Preliminarily Study of Extracting Water from Air Utilizing Ship's Waste Heat from Cylinder Jacket Cooling Water." In 2011 International Conference on Computer Distributed Control and Intelligent Environmental Monitoring (CDCIEM). IEEE, 2011. http://dx.doi.org/10.1109/cdciem.2011.152.

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Woollen, Peter R., Jean-Yves Tillier, Vivian J. Page, et al. "Optical Diagnostics and CFD Validation of Jacket Cooling System Filling and the Occurrence of Trapped Air." In SAE 2012 World Congress & Exhibition. SAE International, 2012. http://dx.doi.org/10.4271/2012-01-1213.

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Ivey, Paul C., and Derek G. Ferguson. "An Air-Cooled Jacket Designed to Protect Unsteady Pressure Transducers at Elevated Temperatures in Gas Turbine Engines." In ASME Turbo Expo 2002: Power for Land, Sea, and Air. ASMEDC, 2002. http://dx.doi.org/10.1115/gt2002-30046.

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Current unsteady pressure sensors have a limiting upper temperature range and with few exceptions cannot survive at the temperatures experienced in gas turbine aero-engines. This paper describes a design and development study of an air-cooled commercially available unsteady pressure transducer capable of operation at temperatures exceeding 900 °C. The research objective for this work is the following: To design a cooling adapter, using air as the cooling media, capable of protecting a standard unsteady pressure transducer, whose maximum operating temperature is around 250 °C. in a gas turbine
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Archibald, John P. "Design and Construction of Solar Thermal Tile Systems for Stand-By Heating of Emergency Diesel Generators." In ASME Solar 2002: International Solar Energy Conference. ASMEDC, 2002. http://dx.doi.org/10.1115/sed2002-1029.

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Emergency diesel generators in outdoor enclosures use large amounts of electric resistance heat to keep the engines warm all year. The heat is delivered to the jacket water of the engine by means of an electric resistance cartridge heater. For mid sized generators (150 KW – 1,000 KW) the annual electric use to deliver 130 degree F water can be 10,000 to 30,000 kwhr in a climate zone with 4,000 heating degree days (65 F base). An alternative to electric heating of the jacket water, is to solar heat the enclosure with 110 F air. This reduces the heat loss from the engine and therefore reduces th
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Dubovsky, V., G. Ziskind, and R. Letan. "Air-Water Transient Heat Transfer in a Stirred Tank." In ASME 2001 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2001. http://dx.doi.org/10.1115/imece2001/htd-24165.

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Abstract The work is concerned with a stirred tank in which water is cooled batchwise by a continuous stream of bubbling air. The work is experimental, and the phenomena are simulated by an analytical model. The experiments include direct contact of air bubbles with the stirred water, heat transfer to the ambient air through the interface, and heat transfer through the walls to cooling water in a jacket by natural or forced convection, or to ambient air by natural convection. Heat-transfer coefficients are calculated in all the cases studied, starting with free convection and proceeding system
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Wemmenhove, Rik, and Marc Lefranc. "CFD Calculations of Wave-in-Deck Load on a Jacket Platform: Impact Pressure Decrease due to Air Pocket Formation." In ASME 2011 30th International Conference on Ocean, Offshore and Arctic Engineering. ASMEDC, 2011. http://dx.doi.org/10.1115/omae2011-49515.

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The industrial problem of a jacket platform subjected to Wave-In-Deck load due to an extreme wave is studied numerically by a CFD technique. In particular, details of local flow and slamming-like hydrodynamic impact on structural members are studied. The applied CFD code ComFLOW is a Navier-Stokes equation solver with an improved Volume of Fluid (iVOF) method employed to displace and re-construct fluids free surface. Two different fluid models, single-phase (liquid+void) and two-phase (liquid+compressible gas) can be used, the latter model being capable of simulating gas entrapped in liquid. L
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Duckworth, Robert C., Emily Frame, Leonard S. Fifield, and Samuel W. Glass. "Benchmark Accelerated Aging of Harvested Hypalon/EPR and CSPE/XLPE Power and I&C Cable in Nuclear Power Plants." In 2016 24th International Conference on Nuclear Engineering. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/icone24-60311.

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As part of the Light Water Reactor and Sustainability (LWRS) program in the U.S. Department of Energy (DOE) Office of Nuclear Energy, material aging and degradation research is currently geared to support the long-term operation of existing nuclear power plants (NPPs) as they move beyond their initial 40 year licenses. The goal of this research is to provide information so that NPPs can develop aging management programs (AMPs) to address replacement and monitoring needs as they look to operate for 20 years, and in some cases 40 years, beyond their initial, licensed operating lifetimes. For cab
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Zhu, Lin, Tien-Chien Jen, Chen-Long Yin, Mei Zhu, Yi-Hsin Yen, and Jianhua Zhang. "Structural Design of a Silicon Six-Wafer Micro-Combustor Under the Effect of Hydrogen/Air Ratio." In ASME 2009 International Mechanical Engineering Congress and Exposition. ASMEDC, 2009. http://dx.doi.org/10.1115/imece2009-10315.

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This paper studied the structural design issues associated with a silicon six–wafer micro-combustor under the effect of hydrogen/air ratio. The objective of this study is to establish a methodology for designing highly stressed micro-fabricated structures. Due to the facts that there are differences in sizes between a micro-combustor and a conventional combustor, the fracture strength of silicon in room temperature is extremely sensitive to its surface processing methods. It is worth noting that the silicon has relatively poor high temperature strength and creep resistance when the temperature
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Olsen, Daniel B., and Bryan D. Willson. "The Effect of Parametric Variations on Formaldehyde Emissions From a Large Bore Natural Gas Engine." In ASME 2002 Internal Combustion Engine Division Spring Technical Conference. ASMEDC, 2002. http://dx.doi.org/10.1115/ices2002-446.

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Formaldehyde is a hazardous air pollutant (HAP) that is typically emitted from natural gas-fired internal combustion engines as a product of incomplete combustion. The US Environmental Protection Agency (EPA) is currently developing national emission standards to regulate HAP emissions, including formaldehyde, from stationary reciprocating internal combustion engines under Title III of the 1990 Clean Air Act Amendments. This work investigates the effect that variations of engine operating parameters have on formaldehyde emissions from a large bore natural gas engine. The subject engine is a Co
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Iwanowski, Bogdan, Tone Vestbøstad, and Marc Lefranc. "Wave-in-Deck Load on a Jacket Platform, CFD Calculations Compared With Experiments." In ASME 2014 33rd International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/omae2014-23434.

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The paper presents an industrial application of CFD for calculation of Wave-In-Deck load due to an extreme wave. Particular attention is given to flow kinematics initialization that is necessary to start up a CFD simulation. The applied CFD code, ComFLOW, is a Navier-Stokes equation solver with an improved Volume of Fluid (iVOF) method employed to displace and re-construct fluids free surface. For incoming waves high enough for a negative air-gap and therefore with Wave-In-Deck loads, a jacket platform was tested in model basin, for both regular and irregular wave cases. One of goals of these
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Reports on the topic "Air-jacket"

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Jebrail, F. F., and R. S. Kistler. L51753 Natural Draft Aerial Coolers. Pipeline Research Council International, Inc. (PRCI), 1996. http://dx.doi.org/10.55274/r0010422.

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In recent years, environmental regulations have tightened and community involvement in environmental issues has increased. The pipeline industry has responded by attempting to reduce the negative economic and environmental impact of conventional air-cooled heat exchangers, which are characterized by high noise levels, excessive energy consumption, and high maintenance costs. While industry has had limited success in reducing air cooler noise using silencers and timed variable-speed fans, these solutions are costly. The most effective noise reduction method is to reduce or eliminate noise at it
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