Готові списки джерел за темами / Replacement of marching engines

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Добірка наукової літератури з теми "Replacement of marching engines"

Автор: Grafiati

Опубліковано: 30 травня 2022

Оновлено: 31 липня 2025

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Статті в журналах з теми "Replacement of marching engines"

Dewhurst, Susan, Melissa J. Bargh, Chester Davidson, and Theodoros M. Bampouras. "Loaded and Unloaded Marching: Implications for Fluid Replacement." Open Sports Sciences Journal 7, no. 1 (2014): 16–21. http://dx.doi.org/10.2174/1875399x01407010016.

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Marching with essential survival equipment is a fundamental military exercise. A consequence of this increased load is an increased risk of dehydration. Dehydration may have fatal consequences in a combat situation where performance must be optimal. This risk can be minimized with an understanding of the additional fluid needs of soldiers marching when loaded compared to unloaded. The aim of this study was to quantify fluid loss caused by marching with a loaded Bergen rucksack and webbing of 33.5 kg for 45 minutes when compared to unloaded carriage in eight healthy male officer cadets (age, 20

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Sergomasov, Mikhail, and Natalia Murzak. "The Kolomna Machine-Building Plant during the First World War: manufacturing of military and civilian products." OOO "Zhurnal "Voprosy Istorii" 2024, no. 4 (2024): 88–99. http://dx.doi.org/10.31166/voprosyistorii202404statyi08.

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The article presents the peculiarities of the Kolomna Machine-Building Plant during the First World War. The process of expanding production is shown by increasing the production of steam locomotives for military field railways, medium-speed piston engines for navy ships and submarines, as well as new products for the enterprise - artillery shells, machines for the production of barbed wire, machine-gun carriages, marching infantry and artillery kitchens.

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Leung, Francis K. N., and Ada L. M. Cheng. "Determining replacement policies for bus engines." International Journal of Quality & Reliability Management 17, no. 7 (2000): 771–83. http://dx.doi.org/10.1108/02656710010336361.

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Feng, Tan, and Lin Lv. "Modeling and Weight Analysis of Urea-SCR System." Applied Mechanics and Materials 535 (February 2014): 796–801. http://dx.doi.org/10.4028/www.scientific.net/amm.535.796.

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Emission regulations for diesel engines are becoming increasingly stricter worldwide, which make the modification to the SCR aftertreatment systems for marching various diesel engines of different emission levels become an urgent problem. This work presented a complete urea-SCR modeling approach. An accurate urea-SCR model consisting of 1d/3d adblue injection model and 1d catalytic converter model was established. After the estimation of kinetic parameters, the model showed good agreement with experimental data for different exhaust temperatures. Based on this advanced urea-SCR platform, this

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Hughes, Emma. "Web Search Engines - Not Yet a Reliable Replacement for Bibliographic Databases." Evidence Based Library and Information Practice 13, no. 3 (2018): 85–87. http://dx.doi.org/10.18438/eblip29378.

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A Review of: Bates, J., Best, P., McQuilkin, J., & Taylor, B. (2017) Will web search engines replace bibliographic databases in the systematic identification of research? The Journal of Academic Librarianship, 43(1), 8-17. https://doi.org/10.1016/j.acalib.2016.11.003 Abstract Objective - To explore whether web search engines could replace bibliographic databases in retrieving research. Design - Systematic review. Setting - English language articles in health and social care; comparing bibliographic databases and web search engines for retrieving research publi

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Byrne, Christopher, Chin Leong Lim, Serena Ai Neo Chew, and Elaine Tan Yu Ming. "Water versus Carbohydrate-Electrolyte Fluid Replacement during Loaded Marching Under Heat Stress." Military Medicine 170, no. 8 (2005): 715–21. http://dx.doi.org/10.7205/milmed.170.8.715.

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Zhuravel, Dmytro, Kyrylo Samoichuk, Serhii Petrychenko, et al. "Modeling of Diesel Engine Fuel Systems Reliability When Operating on Biofuels." Energies 15, no. 5 (2022): 1795. http://dx.doi.org/10.3390/en15051795.

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One of the main trends in the development of modern engine building is the use of biodiesel fuel, which can lead to a decrease in the reliability of engines that are not adapted to it. However, at present there is no general method for determining the reliability of fuel systems of internal combustion engines. In this paper, a reliability model of engine fuel systems when operating on biofuel has been developed. Comprehensive indicators for assessing the reliability of diesel engine fuel systems are the coefficient of readiness and technical use. The availability factor of the fuel system when

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Ramadhani, Dimitry Rizal, and Erifive Pranatal. "Analysis of Design Changes from Main Engine Diesel Engine to Electric Engine on Fishing Vessels." Journal of Applied Sciences, Management and Engineering Technology 5, no. 1 (2024): 7–17. http://dx.doi.org/10.31284/j.jasmet.2024.v5i1.5965.

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Fishing vessels in Indonesia conventionally use diesel engines as their main propulsion engine. However, the use of diesel engines has quite a bad impact on the surrounding environment. So the latest innovations using alternative energy are needed. One of them is the use of electric engines as a replacement for diesel engines in the ship's main propulsion engine. The use of this electric machine will have a friendly impact on the environment. Apart from that, you don't need to spend a lot of money to maintain this electric machine. We can see this by comparing the ship's thrust requirements wi

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Vepraskas, Claudia. "Beat the Heat: Managing Heat And Hydration In Marching Band." Journal of School Nursing 18, no. 4 (2002): 237–43. http://dx.doi.org/10.1177/10598405020180042001.

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Marching band students are athletes who practice outdoors under conditions that expose them to dehydration, heat exhaustion, and sunstroke. They suffer these heat-related injuries because breaking formation frequently to adequately hydrate is impractical. This project developed educational materials alerting the students and the director to heat-related illnesses and tested a simple method of fluid replacement that could be used during practice. A Heat Index chart was adapted to identify hazardous conditions; fluid intake recommendations were made based on the Heat Index. Students purchased a

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Vepraskas, Claudia. "Beat the Heat: Managing Heat And Hydration In Marching Band." Journal of School Nursing 18, no. 4 (2002): 237–43. http://dx.doi.org/10.1177/10598405020180042101.

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Дисертації з теми "Replacement of marching engines"

Лось, Олександр Васильович, та Aleksandr Vasilevich Los. "Методологія проектування модифікацій військово-транспортних літаків при глибоких змінах у крилі та силовій установці". Thesis, Національний авіаційний університет, 2020. https://er.nau.edu.ua/handle/NAU/44707.

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Для етапу попереднього проектування модифікацій військово-транспортних літаків (ВТЛ) розроблено й апробовано нову методологію формування параметрів ВТЛ, структуру якої утворюють нові поняття, методи й моделі: – поняття коефіцієнта еліптичності трапецієподібного крила і метод його визначення; – метод геометричного перекомпонування ізольованого трапецієподібного крила з урахуванням коефіцієнта його еліптичності; – метод уточнення компонування системи несних поверхонь «крило + агрегати хвостового оперення» з урахуванням геометричного перекомпонування крила; – як критеріальна база до структури

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Книги з теми "Replacement of marching engines"

Baumeister, Kenneth J. Finite difference time marching in the frequency domain: A parabolic formulation for aircraft acoustic nacelle design. National Aeronautics and Space Administration, 1996.

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Group, The Transportation Research. Aircraft Engines, Spare and Replacement Parts in Switzerland: A Strategic Entry Report, 1998. Icon Group International, Inc., 2005.

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Finite difference time marching in the frequency domain: A parabolic formulation for the convective wave equation. National Aeronautics and Space Administration, 1996.

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Wolf, E. L. Solar Thermal Energy. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198769804.003.0009.

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The Sun’s spectrum on Earth is modified by the atmosphere, and is harvested either by generating heat for direct use or for running heat engines, or by quantum absorption in solar cells, to be discussed later. Focusing of sunlight requires tracking of the Sun and is defeated on cloudy days. Heat engines have efficiency limits similar to the Carnot cycle limit. The steam turbine follows the Rankine cycle and is well developed in technology, optimally using a re-heat cycle of higher efficiency. Having learned quite a bit about how the Sun’s energy is created, and how that process might be reprod

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Частини книг з теми "Replacement of marching engines"

Bellanca, Nicolò, and Luca Pardi. "Risorse e popolazione umana." In Studi e saggi. Firenze University Press, 2020. http://dx.doi.org/10.36253/978-88-5518-195-2.06.

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The history of the genus Homo, and of the sapiens species in particular, is different from that of other species due to the extreme importance of cultural evolution compared to biological evolution. But from the discovery of how to use fire and generate it, up to the invention of the steam engine, man essentially lives, like the other organisms of the biosphere, on the energy flow guaranteed by solar radiation. With the encounter between machines and fossil fuels and the entry into the era of engines, the rules of the game change radically, and the activities of Homo sapiens change in extent a

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Gautam, Anirudh, and Ankita Singh. "Replacement of Diesel Fuel by DME in Compression Ignition Engines: Case for India." In Diesel Engines and Biodiesel Engines Technologies [Working Title]. IntechOpen, 2022. http://dx.doi.org/10.5772/intechopen.104969.

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Decarbonising of transport, industrial and all sectors of economy is a necessity to stop or reverse global warming. Use of batteries, fuel-cells, hybrid topographies with smaller IC engines and use of alternative fuels like methanol, ethanol, DME in the IC engines are some of the ways through which emission of green-house gases can reduced/eliminated. Diesel engines are highly efficient due to higher compression ratios and are used in the heavy-duty transportation vehicles. DME is a single molecule fuel having high cetane number and which can be used as a drop-in fuel on the diesel engines alb

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Smil, Vaclav. "Fossil Fuels, Primary Electricity, and Renewables." In Energy and Civilization. The MIT Press, 2017. http://dx.doi.org/10.7551/mitpress/9780262035774.003.0005.

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This chapter discusses the evolution in uses of fossil fuels, primary electricity, and renewable energy. It first considers the transition from phytomass fuels to fossil fuels and how it resulted in the substantial increase in per capita consumption of energy. It then explores the beginnings and diffusion of coal extraction, the replacement of charcoal by metallurgical coke, and the introduction of steam engines and oil and internal combustion engines. It also looks at technical innovations brought by the transition from phytomass fuels to fossil fuels and from animate to mechanical prime move

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Alagumalai, Avinash. "Biodiesel Production." In Recent Technologies for Enhancing Performance and Reducing Emissions in Diesel Engines. IGI Global, 2020. http://dx.doi.org/10.4018/978-1-7998-2539-5.ch001.

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Biodiesel, the best-suited replacement for petroleum diesel, is now drawing attention of researchers owing to its advantages and potential for environmental conservation. In this perspective, this chapter explores the need for biodiesel in present-day scenario by highlighting its properties, advantages, and disadvantages. The chapter presents an overview of different techniques proposed by researchers to produce biodiesel. Among different approaches, the emphasis is on catalytic transesterification, non-catalytic transesterification, microwave heating, and ultrasound assisted processes. The ch

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Ao, Supongsenla, and Samuel L. Rokhum. "Biodiesel and Related Fuel Additives: A Brief History." In The Production of Biodiesel and Related Fuel Additives. BENTHAM SCIENCE PUBLISHERS, 2024. http://dx.doi.org/10.2174/9789815196740124060003.

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The discovery of the diesel engine by Rudolf Diesel in the mid-19th century is where the origin of what finally came to be known as “biodiesel” lies. Since then, numerous approaches have been suggested to utilize pure or blended, straight vegetable oils or their derivatives for the production of biodiesel. The availability and viability of biodiesel, as well as its relevance, history, technical properties, and prospective replacement for diesel fuel in internal combustion engines including various types of biodiesel fuel additives, are all discussed in this chapter.

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Bovea M.D., Ibáñez-Forés V., and Pérez-Belis V. "Repair vs. replacement: what is the best alternative for household small electric and electronic equipment?" In Research in Design Series. IOS Press, 2017. https://doi.org/10.3233/978-1-61499-820-4-51.

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This study presents a methodology designed for selecting, from an environmental point of view, the best end-of-life strategy for electric and electronic equipment which breaks before the end of its life span. For that, the environmental impact of the life cycle of the equipment is evaluated considering two alternative end-of-life strategies: repair &amp; reuse or replacement. The Life Cycle Assessment methodology is applied to evaluate the environmental performance of each scenario, taking ReCiPe as end-point impact assessment method. The methodology is applied to a representative sample o

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Bradley, Betsy Hunter. "Powered For profit." In The Works. Oxford University PressNew York, NY, 1999. http://dx.doi.org/10.1093/oso/9780195090000.003.0004.

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Abstract Power generation and distribution were decisive factors in locating, configuring, and operating the works. They also made the factory a master machine. Power generation for manufacturing progressed from water-wheels and turbines, to steam boilers and engines, and then to electric generators. The replacement of the shafting and belting of millwork with individual and group electric drive brought about dramatic changes in the form and use of manufacturing space. Consequently, the age of millwork and the era of electric power are useful categories that reflect the interrelationship betwe

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Eaglin, Jennifer. "Proálcool, 1975–1985." In Sweet Fuel. Oxford University PressNew York, 2022. http://dx.doi.org/10.1093/oso/9780197510681.003.0004.

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Abstract This chapter examines the creation and expansion of the National Ethanol Program (Proálcool) from 1975 to 1985. It follows the program from its inception first as a fuel supplement program through its intensification as a fuel replacement program. Domestic development of car engines run exclusively on ethanol incited nationalist pride in the program. The commercial launch of ethanol fueled cars drove the rapid expansion of the program after the second oil crisis in 1979. Using the example of the growth of the Usina Santa Elisa, the chapter shows how the program’s expansion successfull

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Baum, Joel A. C., and Hayagreeva Rao. "Evolutionary Dynamics of Organizational Populations and Communities." In Handbook of Organizational Change and Innovation. Oxford University PressNew York, NY, 2004. http://dx.doi.org/10.1093/oso/9780195135008.003.0008.

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Abstract The ability of societies to respond to social problems may hinge crucially on the diversity of organizational forms, and in the long run, in a dynamic environment, diversity can be maintained or increased by the rise of new forms. Moreover, new forms are vital engines of organizational evolution. Indeed, an important component of organizational change, at the macro level, consists of the selection and replacement of existing organizational forms by new organizational forms. Furthermore, since new organizational forms are structural incarnations of technologies, beliefs, values, and no

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Fenton, Roy. "Black freighters: Lines of development." In The Evolution and Significance of the Powered Bulk Carrier. Liverpool University Press, 2023. http://dx.doi.org/10.3828/liverpool/9781802078596.003.0012.

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Drawing on evidence already presented, this chapter charts a line which over 170 years connects the earliest steam colliers with both the ocean-going and short-sea bulk carriers of the 2020s. The initial transitions to deep sea and coastal tramp steamers were enabled by technological developments in boilers and steam machinery, hull design and construction which increased a vessels and economy and range of operations. The replacement of steam by internal combustion engines contributed to economies in operation, especially in terms of energy consumption and crew sizes, although increases in siz

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Тези доповідей конференцій з теми "Replacement of marching engines"

Shifler, David A. "Evaluating the Hot Corrosion Resistance of High-Temperature Coatings." In CORROSION 2003. NACE International, 2003. https://doi.org/10.5006/c2003-03353.

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Abstract Type 1 and 2 hot corrosion attack has been observed on certain marine gas turbine engines in the area of the first stage turbine hardware. In order to improve the service life of these engines, laboratory testing of the current, baseline coating and several candidate replacement coatings was initiated using a low-velocity, atmospheric-pressure burner-rig (LVBR). This paper examines the LVBR results of these high temperature coatings on Alloy 509 to determine the relative hot corrosion resistance relative to the baseline coating.

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Shifler, David A., Dennis M. Russom, and Bruce E. Rodman. "Evaluating the Hot Corrosion Effects of High Temperature Coatings for Marine Gas Turbines." In CORROSION 2005. NACE International, 2005. https://doi.org/10.5006/c2005-05425.

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Abstract Type I and II hot corrosion attack has been observed on certain marine gas turbine engines in different areas of the hot section turbine hardware. In order to improve the service life and resistance to hot corrosion of these turbine blades, laboratory testing of the current baseline coating and several candidate replacement coatings was initiated using a low-velocity, atmospheric-pressure burner-rig (LVBR). This paper examines the LVBR results of these high temperature coatings of various chemical composition and applied by several processes on one alloy substrate to determine the hot

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Shifler, David A. "Evaluating the Hot Corrosion Resistance of High Temperature Coatings for Marine Gas Turbines." In CORROSION 2004. NACE International, 2004. https://doi.org/10.5006/c2004-04286.

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Abstract Ten randomly selected first stage turbines unfailed blades were examined to evaluate the accumulation of deposits located on the blade stems under the platform of one marine gas turbine engine. The degradation of two failed blades from other marine gas turbine engines was also examined. Metallographic examination showed that the coating thickness under the platform and in the curved area of transition between the platform to the blade stem was either very thin, or in a few cases, non-existent on each unfailed blade. Type II hot corrosion was evident at these locations under the platfo

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Fioravante, Igor F., Riann de Q. N�brega, Rubens Maciel Filho, and Jean F. Leal Silva. "Design and Cost Analysis of a Reactive Distillation Column to Produce Ethyl Levulinate Using Excess Levulinic Acid." In The 35th European Symposium on Computer Aided Process Engineering. PSE Press, 2025. https://doi.org/10.69997/sct.198461.

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Despite the potential of electrification in transportation, diesel will remain one of the main fuels for decades. The replacement of diesel with biodiesel is one of the solutions to decrease the net emissions of diesel engines. However, biodiesel has limited performance in cold weather and requires fuel additives. In this context, choosing additives from non-edible, inexpensive, renewable sources is important. Ethyl levulinate, an ester derived from levulinic acid that can be produced from sugarcane, is a promising option because it improves the cold-flow properties of fuels and reduces soot e

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Prasad, P. V. N., and K. R. M. Rao. "A study on optimal age replacement of dozer engines." In amp; Integrity (RAMS). IEEE, 2008. http://dx.doi.org/10.1109/rams.2008.4925765.

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Salvat, Nicolas, Alain Batailly, and Mathias Legrand. "Modeling of Abradable Coating Removal in Aircraft Engines Through Delay Differential Equations." In ASME Turbo Expo 2013: Turbine Technical Conference and Exposition. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/gt2013-94400.

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In modern turbomachinery, abradable materials are implemented on casings to reduce operating tip clearances and mitigate direct unilateral contact occurrences between rotating and stationary components. However, both experimental and numerical investigations revealed that blade/abradable interactions may lead to blade failures. In order to comprehend the underlying mechanism, an accurate modeling of the abradable removal process is required. Time-marching strategies where the abradable removal is modeled through plasticity are available but another angle of attack is proposed in this work. It

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Mawid, M., and T. Park. "Towards replacement of turbofan engines afterburners with pulse detonation devices. I." In 37th Joint Propulsion Conference and Exhibit. American Institute of Aeronautics and Astronautics, 2001. http://dx.doi.org/10.2514/6.2001-3470.

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Łukasik, Borys. "Turboelectric Distributed Propulsion System As a Future Replacement for Turbofan Engines." In ASME Turbo Expo 2017: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/gt2017-63834.

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The main purpose of this paper is to discuss the possibility of standard turbofan engine replacement by the turboelectric distributed propulsion system, in future commercial aviation. Paper describes how the distributed propulsion allows to reach significantly greater propulsive efficiency than state-of-the-art high bypass turbofan engines, and presents turboelectric system as the only practical method of distributed propulsion implementation. However, since extra weight of the electric components that would be added can overcome the high propulsive efficiency benefit, a detailed analysis is n

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Markov, Krasimir, and Hristo Stanchev. "Decanol/Biodiesel Blends for Full Diesel Fuel Replacement." In ASME 2024 ICE Forward Conference. American Society of Mechanical Engineers, 2024. https://doi.org/10.1115/icef2024-140801.

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Abstract In the modern world, in the conditions of increasingly severe emission standards, increased oil prices and the political pressure to abandon internal combustion engines and implement electric vehicles, the search for alternative solutions for engines development is a key decision. One of these solutions currently accepted by European politicians is the use of biofuels. A highly promising fuel, which is at the very beginning of its research as an application in diesel engines, is the 1-decanol. Except for the higher viscosity and latent heat of vaporization, all its other properties ar

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Jen, Chang-Wei, and Walter V. Rauf. "Use of Cross Flow Fuel Filtration for Gas Turbine Engines." In ASME Turbo Expo 2007: Power for Land, Sea, and Air. ASMEDC, 2007. http://dx.doi.org/10.1115/gt2007-27474.

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U.S. Navy surface combatants use pre-filters and filter separators in the fuel oil service system to filter out sediment and water in order to meet the fuel oil cleanliness requirements to operate the gas turbine engines and generators. The ships have reported high usage rates of the pre-filters necessitating the replacement of the pre-filter elements. High replacement rates of the elements obviously increases the burden on ships force but it also increases the operating costs due to the cost of the replacement elements and the storage, handling and disposal of the hazardous material generated

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Ladd, Stevens, and Olsen. PR-179-15212-R01 Methane Reduction Data Analysis for 2-Stroke Lean Burn Natural Gas Engines. Pipeline Research Council International, Inc. (PRCI), 2016. http://dx.doi.org/10.55274/r0011013.

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Existing test data from the Engines and Energy Conversion Laboratory and other sources are analyzed to examine the impact of retrofit technologies and operating parameters on greenhouse gas emissions. CO2, CH4, and CO2e (equivalent CO2) emissions are the focus of the study. The data analysis is focused on 4 main categories, engine performance maps, retrofit technology, uncontrolled parameters, and NOx permit level. Examination of the impact of HP replacement is also performed.

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Bernstein. L51797 Life Management of the RB211-24C Gas Turbine. Pipeline Research Council International, Inc. (PRCI), 1998. http://dx.doi.org/10.55274/r0010427.

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Gas turbine engines are in common use in the Gas Pipeline industry to drive gas compressors in compression facilities. One of the major cost factors in the operation of these turbines is the repair or replacement of the hot section components. Technology that can extend the operational life of these components, or increase the ability to repair these components, is of immediate financial and operational benefit to members of PRCI. The RB211 gas turbine engine is commonly used in compression facilities. The life of the model 24C HP turbine blades is currently inadequate, leading to early replac

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Olsen, Daniel, Jessica Adair, and Bryan Willson. GRI-04-0158 Precombustion Chamber Fuel Metering with an Electronic Fuel Valve. Pipeline Research Council International, Inc. (PRCI), 2018. http://dx.doi.org/10.55274/r0011538.

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Precombustion chamber (PCC) ignition is a common method for extending the lean limit and reducing combustion variability in large bore natural gas engines. An important component that fails the most and requires regular replacement, besides the spark plug, is the checkvalve. In this program the use of an electronic valve for monitoring fuel to the PCC instead of the checkvalve is investigated. Other methods of improving PCC performance are also studied, such as nitrogen enrichment and PCC nozzle design. Additionally, emissions formation in the PCC is evaluated through the use of a separate pre

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A Model-Based Investigation of Electrically Split Turbocharger Systems Capabilities to Overcome the Drawbacks of High-Boost Downsized Engines. SAE International, 2022. http://dx.doi.org/10.4271/2022-01-5052.

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Engine downsizing is one the most common methods of coping with strict emission regulations. However, it must be coupled with complementary systems so that the engine performance would meet the standards. That is why new efficient solutions can pave the way toward this goal. The electric forced-induction system (EFIS) is the emerging replacement for conventional forced-induction systems (FIS), namely, turbochargers and superchargers. The reason behind this replacement is the drawbacks associated with FIS, among them are turbo lag and inefficiency in exhaust gas energy recycling. Electrically s

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