Academic literature on the topic 'Hot flows'
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Journal articles on the topic "Hot flows"
Mathews, W. G., and M. Loewenstein. "Hot galactic flows." Astrophysical Journal 306 (July 1986): L7. http://dx.doi.org/10.1086/184693.
Full textYuan, Feng, Defu Bu, and Maochun Wu. "Outflow from Hot Accretion Flows." Proceedings of the International Astronomical Union 8, S290 (August 2012): 86–89. http://dx.doi.org/10.1017/s1743921312019278.
Full textLoewenstein, Michael, and William G. Mathews. "Evolution of hot galactic flows." Astrophysical Journal 319 (August 1987): 614. http://dx.doi.org/10.1086/165482.
Full textGhasemnezhad, Maryam, and Maryam Samadi. "Radial Convection in Hot Accretion Flows." Astrophysical Journal 865, no. 2 (September 26, 2018): 93. http://dx.doi.org/10.3847/1538-4357/aad8af.
Full textYan, Cheng. "Hot money in disaggregated capital flows." European Journal of Finance 24, no. 14 (December 13, 2017): 1190–223. http://dx.doi.org/10.1080/1351847x.2017.1411821.
Full textBruun, H. H. "Hot-film anemometry in liquid flows." Measurement Science and Technology 7, no. 10 (October 1, 1996): 1301–12. http://dx.doi.org/10.1088/0957-0233/7/10/003.
Full textYuan, Feng, Ronald E. Taam, Yongquan Xue, and Wei Cui. "Hot One‐Temperature Accretion Flows Revisited." Astrophysical Journal 636, no. 1 (January 2006): 46–55. http://dx.doi.org/10.1086/497980.
Full textRenzini, Alvio. "Hot Gas Flows in Elliptical Galaxies." Symposium - International Astronomical Union 171 (1996): 131–38. http://dx.doi.org/10.1017/s0074180900232257.
Full textSharma, Prateek, Eliot Quataert, Gregory W. Hammett, and James M. Stone. "Electron Heating in Hot Accretion Flows." Astrophysical Journal 667, no. 2 (October 2007): 714–23. http://dx.doi.org/10.1086/520800.
Full textZakamska, Nadia L., Mitchell C. Begelman, and Roger D. Blandford. "Hot Self‐Similar Relativistic Magnetohydrodynamic Flows." Astrophysical Journal 679, no. 2 (June 2008): 990–99. http://dx.doi.org/10.1086/587870.
Full textDissertations / Theses on the topic "Hot flows"
Bardot, Leon. "Explosive volcanism on Santorini : palaeomagnetic estimation of emplacement temperatures of pyroclastics." Thesis, University of Oxford, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.360162.
Full textLazzarini, Lorenzo. "Numerical modeling of a hot-wire anemometer in turbulent flows." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2019. http://amslaurea.unibo.it/17957/.
Full textKirk, Daniel Robert 1975. "Aeroacoustic measurement and analysis of transient supersonic hot nozzle flows." Thesis, Massachusetts Institute of Technology, 1999. http://hdl.handle.net/1721.1/29883.
Full textIncludes bibliographical references (p. 195-199).
A transient testing technique for the study of jet noise was investigated and assessed. A shock tunnel facility was utilized to produce short duration, 10-20 millisecond, under expanded supersonic hot air jets from a series of scaled nozzles. The primary purpose of the facility is to investigate noise suppressor nozzle concepts relevant to supersonic civil transport aircraft applications. The shock tube has many strengths; it is mechanically simple, versatile, has low operating costs, and can generate fluid dynamic jet conditions that are comparable to aircraft gas turbine engine exhausts. Further, as a result of shock heating, the total temperature and pressure profiles at the nozzle inlet are uniform, eliminating the noise associated with entropy non-uniformities that are often present in steady state, vitiated air facilities. The primary drawback to transient testing is the brief duration of useful test time. Sufficient time must be allowed for the nozzle flow and free jet to reach a quasi-steady-state before acoustic measurements can be made. However, if this constraint is met, the short run times become advantageous. The test articles are only exposed to the high temperature flow for a fraction of a second, and can be constructed of relatively inexpensive stereo-lithography or cast aluminum. A comparison between shock tunnel transient noise data and steady-state data is presented to ascertain the usefulness of the technique to make acoustic measurements on scaled nozzles. Three types of nozzles are compared in the assessment effort: (1) a series of 0.64 - 1.9 cm exit diameter small-scale round nozzles that can be operated at transient and cold-flow steady-state conditions at the MIT facility for in-house comparison, (2) a series of 5.1 - 10.2 cm exit diameter ASME standard axisymmetric nozzles, and (3) a 1/1 2th scale version of a modern mixer-ejector nozzle. Scaled versions of nozzles (2) and (3) were tested at Boeing's steady-state low speed aeroacoustic facility for comparison to the transient shock tube noise data. The assessment establishes the uncertainty bounds on sound pressure level measurements over the range of frequency bands, nozzle pressure ratios (1.5 - 4.0), total temperature ratios (1.5 - 3.5), and nozzle scales for which the facility can be employed as a substitute and/or as a complimentary mode of investigation to steady-state hot-flow test facilities. Far-field narrowband spectra were obtained at directivity angles from 65 to 145 degrees and the data were extrapolated to full-scale flight conditions consistent with FAR-36 regulations. Nozzle pressure ratio and total temperature ratio were repeatable to within ± 1 percent of desired conditions. The constraint of short test duration is shown to be alleviated through the use of multiple runs to reduce the uncertainty associated with making transient acoustic measurements. Sound pressure level versus frequency trends with nozzle pressure ratio and directivity angle are shown to be comparable between the steady-state and transient noise data for all three nozzle types. The small scale nozzles exhibited agreement to within ± 1 - 2 dB over a full-scale frequency range of 50 - 1250 Hz. The ASME nozzle results demonstrated that the transient noise data replicates the Boeing steady-state data to within 2 - 3 dB on SPL versus full-scale frequency from 250 - 6300 Hz, as well as OASPL and PNL versus directivity angle. The magnitude of EPNL values are shown to agree to within 1 - 3 dB depending on test condition and nozzle scale. The mixer-ejector model exhibited agreement with the steady-state noise data to within 2 - 5 dB over a frequency range of 500 - 6300 Hz for all directivity angles. OASPL and PNL versus directivity angle noise data exhibited agreement with magnitude to within 1 - 4 dB. Steady-state trends with MAR, azimuthal angle, and EPNL were also present in the transient noise data.
by Daniel Robert Kirk.
S.M.
Laurantzon, Fredrik. "Flow Measuring Techniques in Steady and Pulsating Compressible Flows." Licentiate thesis, KTH, Mekanik, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-26344.
Full textQC 20101208
Sigfrids, Timmy. "Hot wire and PIV studies of transonic turbulent wall-bounded flows." Licentiate thesis, KTH, Mechanics, 2003. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-1577.
Full textThe compressible turbulent boundary layer developing over atwo-dimensional bump which leads to a supersonic pocket with aterminating shock wave has been studied. The measurements havebeen made with hot-wire anemometry and Particle ImageVelocimetry (PIV).
A method to calibrate hot-wire probes in compressible ow hasbeen developed which take into account not only the ow velocitybut also the inuence of the Mach number, stagnation temperatureand uid density. The calibration unit consists of a small jetow facility, where the temperature can be varied. The hot wiresare calibrated in the potential core of the free jet. The jetemanates in a container where the static pressure can becontrolled, and thereby the gas density. The calibration methodwas verfied in the at plate zero pressure gradient turbulentboundary layer in front of the bump at three different Machnumbers, namely 0.3, 0.5 and 0.7. The profiles were alsomeasured at different static pressures in order to see theinuence of varying density. Good agreement between the profilesmeasured at different pressures, as well as with the standardlogarithmic profile was obtained.
The PIV measurements of the boundary layer ow in front ofthe 2D bump showed good agreement with the velocity profilesmeasured with hotwire anemometry. The shock wave boundary layerinteraction was investigated for an inlet Mach number of 0.69.A lambda shock wave was seen on the downstream side of thebump. The velocity on both sides of the shock wave as measuredwith the PIV was in good agreement with theory. The shock wavewas found to cause boundary layer separation, which was seen asa rapid growth of the boundary layer thickness downstream theshock. However, no back ow was seen in the PIV-data, probablybecause the seeding did not give enough particles in theseparated region. The PIV data also showed that the shock wavewas oscillating, i.e. it was moving approximately 5 mm back andforth. This distance corresponds to about five boundary layerthicknesses in terms of the boundary layer upstream theshock.
Descriptors:Fluid mechanics, compressible ow,turbulence, boundary layer, hot-wire anemometry, PIV, shockwave boundary layer interaction, shape factor.
Fiorini, Tommaso. "Hot wire manufacturing and resolution effects in high Reynolds number flows." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2013. http://amslaurea.unibo.it/5217/.
Full textBeirutty, Mohammad Hussein. "Development of a hot-wire measurement technique for moderate intensity three-dimensional flows /." Thesis, Connect to this title online; UW restricted, 1987. http://hdl.handle.net/1773/7074.
Full textFarrar, B. "Hot-film anemometry in dispersed oil-water flows : Development of a hot-film anemometer based measurement technique for detailed studies of complex two-phase flows and its application.........bubbly water-kerosene and water-air flows." Thesis, University of Bradford, 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.234685.
Full textOndore, Faustin Alloise. "An experimental and numerical investigation of turbulent flows in a square duct with 90deg bend." Thesis, Brunel University, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.286693.
Full textLai, Huanxin. "Simulation of two-phase bubbly flows : an inert bubble introduced into a hot liquid." Thesis, Nottingham Trent University, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.271735.
Full textBooks on the topic "Hot flows"
Nagabushana, K. A. Heat transfer from cylinders in subsonic slip flows. Hampton, Va: Langley Research Center, 1992.
Find full textNagabushana, K. A. Heat transfer from cylinders in subsonic slip flows. [Washington, D.C.]: National Aeronautics and Space Administration, Office of Management, Scientific and Technical Information Program, 1992.
Find full textStainback, P. Calvin. Fluctuation diagrams for hot-wire anemometry in subsonic compressible flows. Hampton, Va: National Aeronautics and Space Administration, Langley Research Center, 1991.
Find full textLogan, P. Uncertainties in hot-wire measurements of compressible turbulent flows implied by comparisons with laser-induced fluorescence. New York: AIAA, 1986.
Find full textPitts, William M. Response behavior of hot-wires and films to flows of different gases. Gaithersburg, Md: U.S. Dept. of Commerce, National Bureau of Standards, 1985.
Find full textPitts, William M. Response behavior of hot-wires and films to flows of different gases. Gaithersburg, Md: U.S. Dept. of Commerce, National Bureau of Standards, 1985.
Find full textPitts, William M. Response behavior of hot-wires and films to flows of different gases. Gaithersburg, Md: U.S. Dept. of Commerce, National Bureau of Standards, 1985.
Find full textPitts, William M. Response behavior of hot-wires and films to flows of different gases. Gaithersburg, Md: U.S. Dept. of Commerce, National Bureau of Standards, 1985.
Find full textArab, Rupert Fazal. Statistical analysis of hot-wire calibration coefficients for normal and inclined wires in heated turbulent flows. Ottawa: National Library of Canada, 1995.
Find full textAichouni, Mohamed. Development and decay of turbulent pipe flows: An experimental and computational study. Salford: Universityof Salford, 1992.
Find full textBook chapters on the topic "Hot flows"
Manmoto, T. "Radiation from Advection-Dominated Flows." In The Hot Universe, 417–18. Dordrecht: Springer Netherlands, 1998. http://dx.doi.org/10.1007/978-94-011-4970-9_151.
Full textRenzini, Alvio. "Hot Gas Flows in Elliptical Galaxies." In New Light on Galaxy Evolution, 131–38. Dordrecht: Springer Netherlands, 1996. http://dx.doi.org/10.1007/978-94-009-0229-9_18.
Full textForman, W. "Clusters of Galaxies and Cooling Hot Gas." In Cooling Flows in Clusters and Galaxies, 17–29. Dordrecht: Springer Netherlands, 1988. http://dx.doi.org/10.1007/978-94-009-2953-1_2.
Full textPellegrini, Silvia. "Hot Gas Flows on Global and Nuclear Galactic Scales." In Hot Interstellar Matter in Elliptical Galaxies, 21–54. New York, NY: Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4614-0580-1_2.
Full textMessaoudene, Noureddine Ait, and James S. T’ien. "Diffusion Layer Structure in a Thermophoretically Affected Flow Over a Hot Surface." In Instabilities and Turbulence in Engineering Flows, 351–65. Dordrecht: Springer Netherlands, 1993. http://dx.doi.org/10.1007/978-94-011-1743-2_20.
Full textMassaglia, S. "The Evolution of Non-Spherical Thermal Instabilities in Cooling Flows." In Physical Processes in Hot Cosmic Plasmas, 307–13. Dordrecht: Springer Netherlands, 1990. http://dx.doi.org/10.1007/978-94-009-0545-0_17.
Full textDebisschop, J. R., S. Sapin, J. Delville, and J. P. Bonnet. "Supersonic Mixing Layer Analysis by Laser Planogram and Hot-Wire Based POD." In Eddy Structure Identification in Free Turbulent Shear Flows, 453–62. Dordrecht: Springer Netherlands, 1993. http://dx.doi.org/10.1007/978-94-011-2098-2_37.
Full textBertrand-Corsini, C., C. David, A. Bern, P. Montmitonnet, J. L. Chenot, P. Buessler, and F. Fau. "A Three Dimensional Thermomechanical Analysis of Steady Flows in Hot Forming Processes. Application to Hot Flat Rolling and Hot Shape Rolling." In Modelling of Metal Forming Processes, 271–79. Dordrecht: Springer Netherlands, 1988. http://dx.doi.org/10.1007/978-94-009-1411-7_30.
Full textKnapp, G. R. "Hot and Cold Gas in Early-Type Galaxies: A Comparison of X-Ray, HI and Far Infrared Emission." In Cooling Flows in Clusters and Galaxies, 93–102. Dordrecht: Springer Netherlands, 1988. http://dx.doi.org/10.1007/978-94-009-2953-1_10.
Full textSchumann, Jan-Erik, Markus Fertig, Volker Hannemann, Thino Eggers, and Klaus Hannemann. "Numerical Investigation of Space Launch Vehicle Base Flows with Hot Plumes." In Notes on Numerical Fluid Mechanics and Multidisciplinary Design, 179–91. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-53847-7_11.
Full textConference papers on the topic "Hot flows"
Putra, S. Sandy, C. Hassan, and S. Hariyadi. "Hot pyroclastic deposit as lahar resistor: a case study of Gendol River after the Mt. Merapi 2010 eruption." In DEBRIS FLOWS. Southampton, UK: WIT Press, 2012. http://dx.doi.org/10.2495/deb120091.
Full textNarayan, Ramesh. "Hot accretion flows—key issues." In Accretion processes in astrophysical systems: Some like it hot! - eigth astrophysics conference. AIP, 1998. http://dx.doi.org/10.1063/1.55890.
Full textPatinios, Marios, Irvin L. Ong, James A. Scobie, Gary D. Lock, and Carl M. Sangan. "Influence of Leakage Flows on Hot Gas Ingress." In ASME Turbo Expo 2018: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/gt2018-75071.
Full textMielke, Amy, Kristie Elam, and Chih-Jen Sung. "Time-Resolved Rayleigh Scattering Measurements in Hot Gas Flows." In 46th AIAA Aerospace Sciences Meeting and Exhibit. Reston, Virigina: American Institute of Aeronautics and Astronautics, 2008. http://dx.doi.org/10.2514/6.2008-262.
Full textAL-BEIRUTTY, M., S. ARTERBERRY, and F. GESSNER. "A hot-wire measurement technique for complex turbulent flows." In 1st National Fluid Dynamics Conference. Reston, Virigina: American Institute of Aeronautics and Astronautics, 1988. http://dx.doi.org/10.2514/6.1988-3600.
Full textMoodie, T. B., J. P. Pascal, and S. J. D. D’Alessio. "Hot spots and nonhydraulic effects in surface gravity flows." In ADVANCES IN FLUID MECHANICS 2006. Southampton, UK: WIT Press, 2006. http://dx.doi.org/10.2495/afm06018.
Full textDillard, Luke N., Mehmed S. Ulcay, and Jay P. Gore. "Effects of Pressure on Minimum Hot Surface Ignition Temperatures (MHSIT) in Hot Air Cross-Flows." In AIAA Scitech 2021 Forum. Reston, Virginia: American Institute of Aeronautics and Astronautics, 2021. http://dx.doi.org/10.2514/6.2021-1346.
Full textWarner, Brian, Patrick A. Woudt, and Magnus Axelsson. "QPOs in CVs: An executive summary." In COOL DISCS, HOT FLOWS: The Varying Faces of Accreting Compact Objects. AIP, 2008. http://dx.doi.org/10.1063/1.3002491.
Full textFerreira, Bárbara T., Gordon I. Ogilvie, and Magnus Axelsson. "Excitation of trapped oscillations in discs around black holes." In COOL DISCS, HOT FLOWS: The Varying Faces of Accreting Compact Objects. AIP, 2008. http://dx.doi.org/10.1063/1.3002492.
Full textTörök, Gabriel, and Magnus Axelsson. "3:2?" In COOL DISCS, HOT FLOWS: The Varying Faces of Accreting Compact Objects. AIP, 2008. http://dx.doi.org/10.1063/1.3002493.
Full textReports on the topic "Hot flows"
Pitts, William M., and Bernard J. McCaffrey. Response behavior of hot-wires and films to flows of different gases. Gaithersburg, MD: National Bureau of Standards, 1985. http://dx.doi.org/10.6028/nbs.ir.85-3203.
Full textSimoneau, J. P., H. Noe, and B. Menant. Large eddy simulation of mixing between hot and cold sodium flows - comparison with experiments. Office of Scientific and Technical Information (OSTI), September 1995. http://dx.doi.org/10.2172/107780.
Full textDorney, Daniel J., Roger L. Davis, and David E. Edwards. Investigation of Hot Streak Migration and Film Cooling Effects on Heat Transfer in Rotor/Stator Interacting Flows. Report 1. Fort Belvoir, VA: Defense Technical Information Center, April 1992. http://dx.doi.org/10.21236/ada250688.
Full textFabien, Cottier, Gnabéli Roch Yao, Lognon Jean-Louis, and Bütikofer Sarah. How horizontal inequalities lead to conflict in migration countries. Swiss National Science Foundation (SNSF), October 2019. http://dx.doi.org/10.46446/publication_r4d.2019.1.en.
Full textDayan, M. High performance in low-flow solar domestic hot water systems. Office of Scientific and Technical Information (OSTI), December 1997. http://dx.doi.org/10.2172/578464.
Full textKeller, Wolfgang. How Trade Patterns and Technology Flows Affect Productivity Growth. Cambridge, MA: National Bureau of Economic Research, March 1999. http://dx.doi.org/10.3386/w6990.
Full textTrabold, T. A., W. E. Moore, and W. O. Morris. Hot-film anemometer measurements in adiabatic two-phase flow through a vertical duct. Office of Scientific and Technical Information (OSTI), June 1997. http://dx.doi.org/10.2172/350943.
Full textBernstein, Shai, Richard Townsend, and Ting Xu. Flight to Safety: How Economic Downturns Affect Talent Flows to Startups. Cambridge, MA: National Bureau of Economic Research, October 2020. http://dx.doi.org/10.3386/w27907.
Full textEichengreen, Barry, and Pipat Luengnaruemitchai. Bond Markets as Conduits for Capital Flows: How Does Asia Compare? Cambridge, MA: National Bureau of Economic Research, August 2006. http://dx.doi.org/10.3386/w12408.
Full textCerutti, Eugenio, Stijn Claessens, and Andrew Rose. How Important is the Global Financial Cycle? Evidence from Capital Flows. Cambridge, MA: National Bureau of Economic Research, August 2017. http://dx.doi.org/10.3386/w23699.
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