Letteratura scientifica selezionata sul tema "Mechanical power"
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Articoli di riviste sul tema "Mechanical power"
Brochard, Laurent, e Andrew Bersten. "Mechanical Power". Anesthesiology 130, n. 1 (1 gennaio 2019): 9–11. http://dx.doi.org/10.1097/aln.0000000000002505.
Testo completoPavlov, V. D. "On the ambiguity of mechanical power". Advanced Engineering Research 22, n. 1 (30 marzo 2022): 24–29. http://dx.doi.org/10.23947/2687-1653-2022-22-1-24-29.
Testo completoPopov, Igor Pavlovich. "VARIETY OF MECHANICAL POWER". Проблемы машиностроения и автоматизации, n. 1 (2022): 19–23. http://dx.doi.org/10.52261/02346206_2022_1_19.
Testo completoAskew, G. N., e D. J. Ellerby. "The mechanical power requirements of avian flight". Biology Letters 3, n. 4 (16 maggio 2007): 445–48. http://dx.doi.org/10.1098/rsbl.2007.0182.
Testo completoHIRANO, Takayuki, Yuki YAMADA e Yasuhiro KAKINUMA. "1704 Sensor-less Chatter Vibration Monitoring by Mechanical Power Factor". Proceedings of International Conference on Leading Edge Manufacturing in 21st century : LEM21 2015.8 (2015): _1704–1_—_1704–5_. http://dx.doi.org/10.1299/jsmelem.2015.8._1704-1_.
Testo completoOledzki, Wieslaw J. "Split power hydro-mechanical transmission with power circulation". Journal of the Chinese Institute of Engineers 41, n. 4 (19 maggio 2018): 333–41. http://dx.doi.org/10.1080/02533839.2018.1473808.
Testo completoPaudel, Robin, Christine A. Trinkle, Christopher M. Waters, Lauren E. Robinson, Evan Cassity, Jamie L. Sturgill, Richard Broaddus e Peter E. Morris. "Mechanical Power: A New Concept in Mechanical Ventilation". American Journal of the Medical Sciences 362, n. 6 (dicembre 2021): 537–45. http://dx.doi.org/10.1016/j.amjms.2021.09.004.
Testo completoPavlov, V. D. "Mechanical power under harmonic influences". Modern Technologies. System Analysis. Modeling, n. 1 (2022): 30–38. http://dx.doi.org/10.26731/1813-9108.2022.1(73).30-38.
Testo completoTonetti, Tommaso, Massimo Cressoni, Francesca Collino, Giorgia Maiolo, Francesca Rapetti, Michael Quintel e Luciano Gattinoni. "Volutrauma, Atelectrauma, and Mechanical Power". Critical Care Medicine 45, n. 3 (marzo 2017): e327-e328. http://dx.doi.org/10.1097/ccm.0000000000002193.
Testo completoKirkendall, D. T., e G. M. Street. "Mechanical jumping power in athletes." British Journal of Sports Medicine 20, n. 4 (1 dicembre 1986): 163–64. http://dx.doi.org/10.1136/bjsm.20.4.163.
Testo completoTesi sul tema "Mechanical power"
Thompson, Melissa Anne. "Mechanical power output in sprint cycling". Connect to online resource, 2007. http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&res_dat=xri:pqdiss&rft_dat=xri:pqdiss:1446102.
Testo completoSpahic, Edin. "Piezoelectric power harvesting from mechanical strain". Thesis, Luleå tekniska universitet, Institutionen för teknikvetenskap och matematik, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-86163.
Testo completoSpringer, Alexander D. "Optimizing cycling power". Thesis, Massachusetts Institute of Technology, 2016. http://hdl.handle.net/1721.1/105573.
Testo completoThis electronic version was submitted by the student author. The certified thesis is available in the Institute Archives and Special Collections.
Cataloged from student-submitted PDF version of thesis.
Includes bibliographical references (page 29).
In this study we determine a viable bioenergetic model for power allocation during a cycling race. Various models have been proposed to address power allocation in races with two models rising above others: the Morton-Margaria Three Tank model and the Skiba Energy Balance model. The energy balance model was implemented in MATLAB and compared against the gold standard implementation in Golden Cheetah to model the depletion of an athlete's energy over the course a ride. The implementation of the model was successful as verified by ride data from a cyclist in the 2014 Tour de France. Additionally, the model was further tested with sample power profiles in order to understand the depletion of energy over the course of a ride. Two key findings emerged from the investigation. First, we require a better account of exhaustion in the energy balance model which can be achieved by weighting the time spent below critical power over the time spent above critical power. This is because a cyclist becomes more exhausted by efforts at higher power outputs compared to the recovery at an effort below critical power. Second, energy balance models should use a variable time constant as rides and races have highly variable recovery periods below critical power which affects the ability of an athlete to reconstitute their energy. Use of a variable time constant could address the weighting of efforts below critical power identified in the first finding as well.
by Alexander D. Springer.
S.B.
Fucetola, Jay J. "Mesofluidic magnetohydrodynamic power generation". Thesis, Massachusetts Institute of Technology, 2012. http://hdl.handle.net/1721.1/74463.
Testo completoCataloged from PDF version of thesis.
Includes bibliographical references (p. 161-162).
Much of the previous research into magnetohydrodynamics has involved large-scale systems. This thesis explores the miniaturization and use of devices to convert the power dissipated within an expanding gas flow into electricity. Specific properties, such as high surface tension, allow for unique possibilities in the design of such devices. The material covered includes a brief derivation of the theory describing steady well-developed MHD flows within circular and rectangular channels. Numerical simulations are used to elucidate the relationships derived theoretically and to enable future design without the reliance upon such simulation. Fabricated devices are experimentally observed to determine the agreement with the modeled behavior. Finally, a design is proposed that is predicted to be a viable generator as well as a means for further examining the unanswered questions raised by the research performed in this thesis.
by Jay J. Fucetola.
S.M.
Douglas, Keith P. (Keith Preston). "Shipboard aggregate power monitoring". Thesis, Massachusetts Institute of Technology, 2009. http://hdl.handle.net/1721.1/50557.
Testo completoIncludes bibliographical references (p. 96-100).
Modem naval warships rely on vast arrays of sensor networks to evaluate the performance of mission critical systems. Although these sensor networks enable increased levels of automation, they are costly to install and to maintain. The power distribution network offers an alternative solution for tracking the performance of mission critical systems. Research conducted at Massachusetts Institute of Technology's Laboratory for Electromagnetic and Electronic Systems (LEES) has proven that the power distribution network contains vital information that can provide performance monitoring and automatic diagnostic functions. This thesis will address the issue of sensor-count reduction through the application of Non-Intrusive Load Monitoring (NILM) technology. Theoretical studies and field experiments will be presented in order to demonstrate the NILM's ability to correlate load activity with power measured from an aggregate level in the distribution system. Additionally, a critical evaluation is conducted on the current NILM configuration's ability to perform automated classification. Findings will be supported using data collected from NILMs monitoring power flow on board the U.S. Coast Guard Cutter ESCANABA (WMEC-907).
by Keith P. Douglas.
Nav.E.and S.M.
Yu, Chien-Ning 1970. "Real power and frequency control of large electric power systems under open access". Thesis, Massachusetts Institute of Technology, 1996. http://hdl.handle.net/1721.1/38154.
Testo completoLin, Cynthia S. B. Massachusetts Institute of Technology. "Feasibility of using power steering pumps in small-scale solar thermal electric power systems". Thesis, Massachusetts Institute of Technology, 2008. http://hdl.handle.net/1721.1/43016.
Testo completoIncludes bibliographical references (leaves 59-60).
The goal of this study was to determine performance curves for a variety of positive displacement pumps in order to select an efficient and low cost option for use as a boiler feed pump in a 1-kWe organic Rankine cycle (ORC) system built by the Solar Turbine Group in Lesotho. The pumps tested included OEM plunger and piston pumps, and rotary vane-type power steering pumps purchased from a junk yard. Motor speed and torque were measured at different flow rates to determine the power consumed to move fluid in the prescribed pressure regime. The test station was designed to pump deionized water; it was intended that measurements and calculations would then be non-dimensionalized and used to predict the ORC working fluid's properties. Unfortunately, deionized water caused the power steering pump shafts to seize; the efficiencies were below anticipated and the pumps were unable to operate under the specified pressures. It was discovered, after WD-40 was added to the water, that power steering pumps performed best when moving fluids with more lubricity. The optimal pump was selected based on how the pump efficiency affected the overall ORC system efficiency, defined as the electrical work output divided by the heat input, and the net electric power output. Power steering pumps achieved efficiencies between 34%-54% under the desired ORC operating conditions with water-oil emulsion as the working fluid. For that pump efficiency range, the overall solar thermal electric ORC system efficiency would be 7.4%-8.5% and the overall system cost would be USD 4.59-5.27 per installed Watt. Made specifically for pumping hydroflurorcarbons, the working fluid used in STG's ORC, the OEM Dynex pump exhibited poorer performance than predicted. The pump efficiency of 31% gave a system efficiency of 7.1% and a cost of USD 6.40 per installed Watt. The OEM water piston and plunger pumps made by Hypro achieved efficiencies of 70% and 81%, respectively, under the same ORC operating conditions described above.
(cont) For those pump efficiencies, the overall system efficiencies would be 9.0% and 9.2% and the costs would be USD 4.58 and 4.63 per installed Watt, respectively. The most optimal pump is the HyproPiston pump; although it costs nearly six times that of a power steering pump, the overall system cost is lower when normalized over the power output.
by Cynthia Lin.
S.B.
Forsik, Stéphane Alexis Jacques. "Mechanical properties of materials for fusion power plants". Thesis, University of Cambridge, 2009. https://www.repository.cam.ac.uk/handle/1810/221725.
Testo completoGibson, James Samuel Kwok-Leon. "Mechanical behaviour of irradiated tungsten for fusion power". Thesis, University of Oxford, 2015. http://ora.ox.ac.uk/objects/uuid:400a6537-2fc2-4298-821d-b73a84f1f52b.
Testo completoCodd, Daniel Shawn. "Concentrated solar power on demand". Thesis, Massachusetts Institute of Technology, 2011. http://hdl.handle.net/1721.1/67579.
Testo completoCataloged from PDF version of thesis.
Includes bibliographical references (p. 207-215).
This thesis describes a new concentrating solar power central receiver system with integral thermal storage. Hillside mounted heliostats direct sunlight into a volumetric absorption molten salt pool, which also functions as a single tank assisted thermocline storage system. Concentrated light penetrates the molten salt and is absorbed over a depth of several meters; the molten salt free surface tolerates high irradiance levels, yet remains insensitive to the passage of clouds. Thermal losses to the environment are reduced with a refractory-lined domed roof and a small, closeable aperture. The molten salt and cover provide high and low temperature heat sources that can be optimally used to maximize energy production throughout the day, even when the sun is not shining. Hot salt is extracted from the upper region of the tank and sent through a steam generator, then returned to the bottom of the tank. An insulated barrier plate is positioned vertically within the tank to enhance the natural thermocline which forms and maintain hot and cold salt volumes required for operation. As a result, continuous, high temperature heat extraction is possible even as the average temperature of the salt is declining. Experimental results are presented for sodium-potassium nitrate salt volumetric receivers optically heated with a 10.5 kilowatt, 60-sun solar simulator. Designs, construction details and performance models used to estimate efficiency are presented for megawatt-scale molten salt volumetric receivers capable of operating with low cost nitrate or chloride salt eutectics at temperatures approaching 600 'C and 1000 'C, respectively. The integral storage capabilities of the receiver can be sized according to local needs, thereby enabling power generation on demand.
by Daniel Shawn Codd.
Ph.D.
Libri sul tema "Mechanical power"
W, South David, e Mancuso Jon R. 1943-, a cura di. Mechanical power transmission components. New York: Marcel Dekker, 1994.
Cerca il testo completoStandardization, International Organization for, a cura di. Mechanical transmissions. Geneva: International Organization for Standardization, 1988.
Cerca il testo completoGretz, J., A. Strub e W. Palz, a cura di. Thermo-Mechanical Solar Power Plants. Dordrecht: Springer Netherlands, 1985. http://dx.doi.org/10.1007/978-94-009-5402-1.
Testo completoGroup, ICC Information, a cura di. Mechanical power transmission equipment manfacturers. Hampton: ICC Information Group, 1994.
Cerca il testo completoRatios, ICC Business, a cura di. Mechanical power transmission equipment manufacturers. London: ICC Business Ratios, 1988.
Cerca il testo completoLtd, ICC Business Publications, a cura di. Mechanical power transmission equipment manufacturers. Hampton: ICC Business Publications Ltd, 1996.
Cerca il testo completoRatios, ICC Business, a cura di. Mechanical power transmission equipment manufacturers. London: ICC Business Ratios, 1988.
Cerca il testo completoThorpe, James F. Mechanical system components. Boston: Allyn and Bacon, 1989.
Cerca il testo completoAltenbach, Holm, Alexander H. D. Cheng, Xiao-Wei Gao, Аndrii Kostikov, Wladyslaw Kryllowicz, Piotr Lampart, Viktor Popov, Andrii Rusanov e Stavros Syngellakis, a cura di. Advances in Mechanical and Power Engineering. Cham: Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-18487-1.
Testo completoKutz, Myer. Mechanical engineers' handbook: Energy and power. 3a ed. Hoboken, N.J: John Wiley & Sons, 2006.
Cerca il testo completoCapitoli di libri sul tema "Mechanical power"
Kurzke, Joachim, e Ian Halliwell. "Mechanical Design". In Propulsion and Power, 411–36. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-75979-1_11.
Testo completoBolton, William. "Mechanical power transmission". In Engineering Science, 455–77. Seventh edition. | Abingdon, Oxon; New York, NY: Routledge, 2021.: Routledge, 2020. http://dx.doi.org/10.1201/9781003093596-24.
Testo completoKerr, William, e William Updegrove. "Nuclear Power". In Mechanical Engineers' Handbook, 753–78. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2006. http://dx.doi.org/10.1002/0471777471.ch23.
Testo completoPfeiffer, Friedrich. "Power Transmission". In Mechanical System Dynamics, 213–328. Berlin, Heidelberg: Springer Berlin Heidelberg, 2008. http://dx.doi.org/10.1007/978-3-540-79436-3_5.
Testo completoLeonhard, Werner. "Dynamics of a Mechanical Drive". In Power Systems, 17–28. Berlin, Heidelberg: Springer Berlin Heidelberg, 2001. http://dx.doi.org/10.1007/978-3-642-56649-3_3.
Testo completoAlleyne, Andrew. "Fluid Power Systems". In Mechanical Engineers' Handbook, 958–92. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2006. http://dx.doi.org/10.1002/0471777471.ch29.
Testo completoWhitman, Alan M. "Power and Refrigeration". In Mechanical Engineering Series, 231–77. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-25221-2_6.
Testo completoFuchs, Ewald F., e Mohammad A. S. Masoum. "Mechanical Loads". In Power Conversion of Renewable Energy Systems, 533–55. Boston, MA: Springer US, 2011. http://dx.doi.org/10.1007/978-1-4419-7979-7_11.
Testo completoWatkins, William H. "Mechanical and Acoustic Power". In Loudspeaker Physics and Forced Vibration, 49–56. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-91634-3_8.
Testo completoGarg, H. P. "Solar Thermo-Mechanical Power". In Advances in Solar Energy Technology, 236–341. Dordrecht: Springer Netherlands, 1987. http://dx.doi.org/10.1007/978-94-009-3795-6_4.
Testo completoAtti di convegni sul tema "Mechanical power"
"Electro-mechanical energy conversion". In 2016 10th International Conference on Compatibility, Power Electronics and Power Engineering (CPE-POWERENG). IEEE, 2016. http://dx.doi.org/10.1109/cpe.2016.7544195.
Testo completoClapp, R. "Mechanical plant". In IEE Colloquium on Buying Power Station Equipment - The New European Standards. IEE, 1996. http://dx.doi.org/10.1049/ic:19961096.
Testo completoTully, L. K., J. M. Solberg, D. A. White, D. A. Goerz, J. S. Christensen, T. J. Ferriera e R. D. Speer. "Electro-thermal-mechanical validation experiments". In 2009 IEEE Pulsed Power Conference (PPC). IEEE, 2009. http://dx.doi.org/10.1109/ppc.2009.5386406.
Testo completoGriscenko, Marina, Rihards Elmanis-Helmanis e Ugis Skopans. "Power generator mechanical faults effects on electric power quality". In 2014 Electric Power Quality and Supply Reliability Conference (PQ). IEEE, 2014. http://dx.doi.org/10.1109/pq.2014.6866799.
Testo completoKim, W. S., H. Hashim, Y. R. Omar e I. Z. Izham. "Effects of mechanical power fluctuation on power system stability". In 2010 Student Conference on Research and Development (SCOReD). IEEE, 2010. http://dx.doi.org/10.1109/scored.2010.5704020.
Testo completoKanygin, Mikhail A., e Behraad Bahreyni. "Zero-Power Opto-Electro-Mechanical Actuators". In 2021 21st International Conference on Solid-State Sensors, Actuators and Microsystems (Transducers). IEEE, 2021. http://dx.doi.org/10.1109/transducers50396.2021.9495677.
Testo completoMizoguchi, T., T. Nozaki e K. Ohnishi. "The power factor in mechanical system". In 2013 IEEE International Conference on Mechatronics (ICM). IEEE, 2013. http://dx.doi.org/10.1109/icmech.2013.6519106.
Testo completoSingh, Manohar. "Coordination of electro-mechanical based overcurrent relays using CMA-ES algorithm". In 2016 IEEE 7th Power India International Conference (PIICON). IEEE, 2016. http://dx.doi.org/10.1109/poweri.2016.8077262.
Testo completoKronen, R. J., V. Banner-Goodspeed, D. S. Talmor, J. R. Beitler, M. S. Schaefer e E. Baedorf Kassis. "Mechanical Power and Ventilator-Free Survival in Mechanically Ventilated Patients with ARDS". In American Thoracic Society 2021 International Conference, May 14-19, 2021 - San Diego, CA. American Thoracic Society, 2021. http://dx.doi.org/10.1164/ajrccm-conference.2021.203.1_meetingabstracts.a2758.
Testo completoShen, Xiao-Bing, You-Kuo Lin, Ying Wang e Hong-Shan Zhao. "Optimal unit commitment of the power system with the maximum utilization of wind power". In The 2015 International Conference on Mechanics and Mechanical Engineering (MME 2015). WORLD SCIENTIFIC, 2016. http://dx.doi.org/10.1142/9789813145603_0124.
Testo completoRapporti di organizzazioni sul tema "Mechanical power"
Scott, Keana C. K. Correlating Mechanical Abrasion with Power Input. Gaithersburg, MD: National Institute of Standards and Technology, 2022. http://dx.doi.org/10.6028/nist.sp.1200-30.
Testo completoScott, Keana C. K. Correlating Mechanical Abrasion with Power Input. Gaithersburg, MD: National Institute of Standards and Technology, 2022. http://dx.doi.org/10.6028/nist.sp.1278.
Testo completoPope, C. L., B. Savage, B. Johnson, C. Muchmore, L. Nichols, G. Roberts, E. Ryan et al. Nuclear Power Plant Mechanical Component Flooding Fragility Experiments Status. Office of Scientific and Technical Information (OSTI), luglio 2017. http://dx.doi.org/10.2172/1376902.
Testo completoOrient, G. E., e N. M. Ghoniem. Model for the mechanical pellet-cladding interaction during power cycles. Office of Scientific and Technical Information (OSTI), febbraio 1986. http://dx.doi.org/10.2172/5481451.
Testo completoSmith, C. L., C. L. Pope, B. Savage, B. Johnson, C. Muchmore, L. Nichols, G. Roberts et al. Nuclear Power Plant Mechanical Component Flooding Fragility Experiments FY-2017 Report. Office of Scientific and Technical Information (OSTI), settembre 2017. http://dx.doi.org/10.2172/1468583.
Testo completoChasiotis, Ioannis. Mechanical and Ferroelectric Response of Highly Textured PZT Films for Low Power MEMS. Fort Belvoir, VA: Defense Technical Information Center, ottobre 2012. http://dx.doi.org/10.21236/ada581801.
Testo completoBlagonravov, A. A. Mechanical continuously variable transmission with oscillatory movement of internal links and adjustable power functions. Ljournal, 2019. http://dx.doi.org/10.18411/b100-22011-t20181205.
Testo completoBlagonravov, A. A. Mechanical continuously variable transmission with oscillatory movement of internal links and adjustable power functions. Ljournal, 2019. http://dx.doi.org/10.18411/b10022011t20181205.
Testo completoOlivas, Eric Richard. Conjugate Heat Transfer and Thermal Mechanical Analysis for Liquid Metal Targets for High Power Electron Beams. Office of Scientific and Technical Information (OSTI), febbraio 2016. http://dx.doi.org/10.2172/1239918.
Testo completoGillen, K. T., e G. M. Malone. Nuclear power plant accident simulations of gasket materials under simultaneous radiation plus thermal plus mechanical stress conditions. Office of Scientific and Technical Information (OSTI), luglio 1997. http://dx.doi.org/10.2172/508139.
Testo completo