Relevant bibliographies by topics / Oxygen plane

Academic literature on the topic 'Oxygen plane'

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Published: 4 June 2021
Last updated: 10 February 2022

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Journal articles on the topic "Oxygen plane"

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Cross, J. A., and G. N. Haddad. "Negative point-plane corona in oxygen." Journal of Physics D: Applied Physics 19, no. 6 (June 14, 1986): 1007–17. http://dx.doi.org/10.1088/0022-3727/19/6/015.

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Scott, D. A., and G. N. Haddad. "Negative point-to-plane corona pulses in oxygen." Journal of Physics D: Applied Physics 19, no. 8 (August 14, 1986): 1507–17. http://dx.doi.org/10.1088/0022-3727/19/8/018.

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Song, Y., and R. Gomer. "Diffusion of oxygen on the Mo(110) plane." Surface Science Letters 290, no. 1-2 (June 1993): A527. http://dx.doi.org/10.1016/0167-2584(93)90907-z.

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Song, Y., and R. Gomer. "Diffusion of oxygen on the Re(201) plane." Surface Science 346, no. 1-3 (February 1996): 243–52. http://dx.doi.org/10.1016/0039-6028(95)00944-2.

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Song, Y., and R. Gomer. "Diffusion of oxygen on the Mo(110) plane." Surface Science 290, no. 1-2 (June 1993): 1–14. http://dx.doi.org/10.1016/0039-6028(93)90583-6.

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Logvenov, G., A. Gozar, and I. Bozovic. "High-Temperature Superconductivity in a Single Copper-Oxygen Plane." Science 326, no. 5953 (October 29, 2009): 699–702. http://dx.doi.org/10.1126/science.1178863.

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Feng, Y., D. C. Larbalestier, G. F. Sun, Y. Xin, K. W. Wong, M. S. Osofsky, L. E. Tom, et al. "Crystal structure of Tl-substituted HG-1223 superconductor with critical temperature of 138K under atmospheric pressure." Proceedings, annual meeting, Electron Microscopy Society of America 53 (August 13, 1995): 370–71. http://dx.doi.org/10.1017/s0424820100138221.

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Since the discovery of the Hg-Ba-Ca-Cu-O superconductors, several members of the system bearing the formula HgBa2Can−1CunO2n+2+x (n=l,2,3) were synthesized. The highest critical temperature Tc of 133.5K under atmospheric pressure was achieved from the Hg-1223 compound (n=3). The Hg-compounds are structurally analogous to the single-layer Tl-based compounds TlBa2Can−1CunO2n+2+x. In Hg-1223, oxygen is almost absent in the Hg-O plane at the stoichiometric (x=0) composition. In contrast, the oxygen sites in the Tl-O plane are nearly fully occupied. The difference in oxygen occupancy of the corresponding rock-salt Hg-O and Tl-O planes in Hg- 1223 and Tl-2223 is due to the difference in valence of Hg2+ and Tl3+.To create a necessary fractional oxygen occupation in the Hg-O planes, a partial substitution of Tl for Hg was carried out and the Tc of the Tl-substituted sample raised up to 138K. We report here on the crystal structure of the new compound. Synthesis and properties has been published elsewhere.
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Benseman, T. M., J. R. Cooper, and G. Balakrishnan. "In-plane oxygen diffusion in single crystals of Bi2Sr2CaCu2O8+δ." Physica C: Superconductivity and its Applications 468, no. 1 (January 2008): 81–87. http://dx.doi.org/10.1016/j.physc.2007.10.018.

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Nesher, O., and G. Koren. "Directional in-plane tunneling in oxygen-deficientYBa2Cu3O6.6/YBa2Cu2.55Fe0.45Oy/YBa2Cu3O6.6edge junctions." Physical Review B 60, no. 21 (December 1, 1999): 14893–96. http://dx.doi.org/10.1103/physrevb.60.14893.

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Sydow, J. P., R. A. Buhrman, and B. H. Moeckly. "Basal plane oxygen vapor pressure of Co-doped YBa2Cu3O7−δ." Applied Physics Letters 72, no. 26 (June 29, 1998): 3512–14. http://dx.doi.org/10.1063/1.121644.

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Dissertations / Theses on the topic "Oxygen plane"

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Leeuw, Lerothodi La Pula. "Iras oxygen- and carbon-rich miras close to the galactic plane." Master's thesis, University of Cape Town, 1997. http://hdl.handle.net/11427/18617.

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Observations are presented for 101 I RAS sources that were expected to be Mira Variables and that lie close to the galactic plane: -7.0 3 < b < + 1° and 282.°5 < l < 285.°5. Over 1090 JHKL photometry modules were obtained for the sources. From the photometry the sample was shown to comprise 85 Miras, 12 of which had published periods. New periods were determined for all the Miras. Of the 85 Miras in the sample, 21 had previous published spectra and the rest were tentatively classified as oxygen or carbon-rich Miras using infrared two-colour diagrams. The oxygen and carbon-rich Miras, respectively, have mean periods and K half-amplitudes of 386 days and 0.36 mag and 442 days and 0.46 mag. Statistical tests showed that the probability that the period distribution functions of the oxygen and carbon-rich stars came from the same population was very small: 0.00055. The period as well as the K- Land K- [12μm] colours were shown to be functions of amplitude. For the carbon-rich Miras the [12μm]- [25μm] colour was shown to be correlated with amplitude. Bolometric magnitudes were determined by integrating under a spline curve fitted to the J H K L12, 25μm fluxes of the Miras. Distances to the stars have been calculated using absolute magnitude P- L relations from oxygen-rich and carbon-rich Miras in the LMC, where the LMC distance modulus of 18.57 was adopted. In addition, a search of Miras in the Galactic Bulge using APM-scanned !-plate data are presented. A total of 116 Mira candidates were identified, 43 of which were classified as strong candidates. The presented work will contribute to the study of Galactic structure.
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Jamuna, Sivathasan, and jsivathasan@yahoo com. "Preparation of Clay-dye pigment and its dispersion in polymers." RMIT University. Civil, Environmental and Chemical Engineering, 2008. http://adt.lib.rmit.edu.au/adt/public/adt-VIT20090219.160137.

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This thesis is concerned with an experimental study of clay intercalation by organic dye molecule which is crucial for the successful development of a stable clay-dye pigment with combined advantages of organic dye and inorganic clay. Clay-dye pigments were prepared by two different methods. Two different organic dyes were used with unmodified clay and modified clay to study the intercalation. Characteristics of clay-dye pigment have been investigated using X-Ray Diffraction, Thermo-gravimetric Analysis and Transmission Electron Microscopy. In this thesis it is shown that the absorption of cationic dye by unmodified clay in aqueous medium mainly takes place in the interlayer clay surface. More likely the dye molecules with aromatic quaternary ammonium cation intercalate the clay layer and strongly interacts with the clay interlayer oxygen plane, where solvent dye (which is hydrophobic in nature) adsorption by unmodified clay mainly takes place on outer surface of the clay. Dye molecules are weakly interacted with outer surface oxygen plane by hydrogen bonding or Vander Waals forces. Modified clay enabled the solvent dye to intercalate inside the clay interlayer surface with the suitable non-aqueous medium (because of its expanded structure). The modified clay suspension in the selected non-aqueous medium shows only partial desorption of alkyl ammonium molecule from the clay layer with the presence of both cationic dye and solvent dye. Therefore the penetrated dye molecules must have weakly interacted with the interlayer oxygen plane as well as the remaining alkyl ammonium molecule present inside the clay layer. It is believed that the thermal and UV stability of organic dye can only be facilitated by a specific interaction (Ĉ-interactions) between aromatic alkyl ammonium cation of organic dye molecule and the interlayer oxygen plane of clay minerals. This interaction possibly enables the high thermal energy or the energy of the UV radiation to transmit immediately into the clay layer. Therefore organic dye molecules are protected from high energy loading and hence thermal and UV stability are improved.
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Björnängen, Therese. "Resistive studies of vortices and fluctuations in single crystal YBa2Cu3O7-." Doctoral thesis, KTH, Physics, 2004. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-3723.

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High-temperature superconductors have been intensely studiedsince the discovery, almost 20 years ago. Their layeredstructure, extreme type-II behavior, large anisotropy, andstrong fluctuations have led to a large number of new andinteresting problems. In this work the resistive transitionhave been studied in YBa2Cu3O7-δsingle crystals, from the superconductingfluctuations above Tcdown to the vortex matter near the onset of resistivity.Superconducting fluctuations above Tcare suitably studied by measuring themagnetoconductivity Δσ = 1/ρ(B)-1/ρ(0).Such experiments were performed on untwinned, optimally dopedsamples, forI||ab. ForH||c, fluctuations in the CuO-chains was not important, andfluctuations in the CuO2 planes seemed isotropic. The in-planecoherence length anisotropy was determined to be close tounity. ForH||ab, Δσbdepended on the field direction, indicating an effect ofthe chains on the magnetoconductivity in thisconfiguration.

The nature of the vortex phase below Tccan be examined through vortex-correlation measurements.Using a modified pseudo-flux transformer (PFT) geometry forin-plane experiments, the magnetic field could be appliedparallel to both the a, b, and c axis. A strong Lorentz forcewas detected, and observed to be a requirement for the meltingstep feature. The resistive anisotropy close to Tcwas strongly field and temperature dependent, which wasexplained by an almost isotropic fluctuation contribution.

The effect of anisotropy on vortex-liquid correlation infieldsH||ab, was studied byc-axis transport measurements in oxygen-deficientsamples, using a PFT configuration. Increasing disordersuppressed both longitudinal and transverse correlation. Inheavily underdoped samples, vortex correlation was enhanced formagnetic fields exactly aligned with theabplane because of the strong anisotropy. Also, thesolid-to-liquid transition temperature became nearly fieldindependent.

Attempts were also made to connect the fluctuation regime ofthe resistive transition with the vortex region,by accountingfor critical fluctuations close to the transition.

Keywords:high-temperature superconductors, YBa2Cu3O7-δ, untwinned YBCO, oxygen deficiency,superconducting fluctuations, magnetoconductivity, in-planeanisotropy, vortex liquid, vortex solid, vortex correlation

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Santhanam, Venkatesan 1968. "Optimization of the packaging of the Mars oxygen manufacturing plant." Thesis, The University of Arizona, 1992. http://hdl.handle.net/10150/278162.

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A complete analysis of the various energy losses involved in the Mars oxygen manufacturing plant is performed. The various losses considered are the pressure losses and radiation losses in connections between components, radiative heat losses from and between different components of the plant. These, together with the cost and mass of a library of components are used to construct an objective function to optimize the packaging of the plant. A software package has been created to determine component locations in the package such that this objective function is minimized. The package reads input data from a component database system and performs various iterations to arrive at a configuration having the minimum of the energy losses. The steepest descent method is used for minimizing the nonlinear objective functions describing the energy losses. The minimization of the cost and mass factors are performed by a brute search method. The results of the optimization are presented graphically.
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Nayar, Gautam. "Oxygen transport in animal cell biogreactors with vibrating-plate aerators." Thesis, Massachusetts Institute of Technology, 1995. http://hdl.handle.net/1721.1/36553.

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Brzezek, Kerstin. "S-nitrosothiols and reactive oxygen species in plant disease resistance and development." Thesis, University of Edinburgh, 2014. http://hdl.handle.net/1842/9653.

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Nitric oxide (NO) as well as reactive oxygen species (ROS) play an important role in defence signalling in plants. After successful recognition of an invading pathogen, an increase in ROS occurs, the ’oxidative burst’; and a ’nitrosative burst’ is also observed. This leads to the induction of defence responses, including the ’hypersensitive response’ (HR), a form of programmed cell death. A balanced production of hydrogen peroxide and NO is crucial for HR induction. In a process called S-nitrosylation, NO can react with cysteine thiols to form S-nitrosothiols, or react with glutathione to form S-nitrosoglutathione (GSNO). The enzyme GNSO reductase (GSNOR) indirectly regulates SNO levels by turning over GNSO. The Arabidopsis thaliana T-DNA insertion mutant atgsnor1-3 shows a complete loss of GNSOR activity and has drastically increased SNO levels, resulting in stunted growth, loss of apical dominance, increased HR, loss of salicylic acid (SA) accumulation and increased susceptibility to avirulent, virulent and non-host pathogens. Two recessive and allelic EMS suppressor mutants in the atgsnor1-3 background were isolated, which showed mostly wild type growth. The mutations were identified by map-based cloning as two different point mutations in At1g20620 or CAT3, one of three catalase genes in Arabidopsis. Catalases break down hydrogen peroxide, with CAT2 being the major catalase in Arabidopsis. All three catalases are structurally very similar, but show temporal and spatial differences in their expression patterns. The suppressor mutants recovered apical dominance, and partially recovered disease resistance to avirulent pathogens, but were still susceptible to virulent pathogens and showed decreased SA levels. The suppressor mutants showed wild type HR in response to different avirulent bacteria. Interestingly, loss-of-function of the other catalase genes as well as loss-of-function of other redox-related genes did not restore apical dominance of atgnsor1-3 plants. This effect seems to be highly specific to CAT3, possibly because of its expression pattern or its expression levels. Further research is needed to fully understand the mechanisms at work here, but these results certainly seem to show a direct connection between redox signalling and S-nitrosylation.
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Benyó, I. (Imre). "Cascade Generalized Predictive Control—Applications in power plant control." Doctoral thesis, University of Oulu, 2006. http://urn.fi/urn:isbn:9514280326.

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Abstract The Generalized Predictive Controller in transfer function representation is proposed for the cascade control task. The recommended cascade GPC (CGPC) applies one predictor and one cost function that results in several advantageous features: The disturbance regulations of the inner and the outer loops can be totally decoupled; The inner disturbance regulation is well damped, the typical overshoot of the traditional cascade control structure is avoided; The robustness properties of the inner and the outer loops can be designed separately; The anti-windup properties of the CGPC are exactly as perfect as in the case of the simple SISO GPC. The typical problem of the saturation in the inner loop, resulting in modeling error for the outer loop, is prevented. The CGPC was applied as the oxygen controller of a pilot fluidized bed boiler. The investigation is based on simulation experiments and on experiments on a pilot scale boiler. In another simulation experiment, the CGPC was applied as the temperature controller of at a steam superheater stage. The results of the experiments well illustrated the power of the proposed cascade control algorithm.
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Startseva, Tatiana. "Infrared properties of high-temperature superconductors with single and triple copper oxygen planes." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape9/PQDD_0026/NQ51013.pdf.

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Startseva, Tatiana. "Infrared properties of high-temperature superconductors with single and triple copper oxygen planes /." *McMaster only, 1998.

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Scarano, Fabio Rubio. "The effects of ontogeny and environmental oscillations on plant responses to oxygen deprivation." Thesis, University of St Andrews, 1993. http://hdl.handle.net/10023/14344.

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The effects of ontogeny and environmental oscillations on plant responses to oxygen deprivation were investigated for a wide spectrum of species, ranging from agricultural to forestry crops, and from temperate to tropical plants. The extent to which hypoxia- or anoxia-tolerance were affected by ontogeny and environmental oscillations, was assessed mainly through changes in survival and growth and physiological parameters such as respiratory activity, ethanol production and carbohydrate depletion. Anoxia-tolerance of germinating seeds of chickpea (Cicer arietlnum L.) was found to vary, even within the earlier stages of germination, according to the length of the aerobic imbibition period previous to the anoxic shock. The notable fact was that 6 minutes of seed aerobic imbibition prior to anoxic treatment was sufficient to significantly increase post-anoxic survival after 4 days anoxia, compared to seeds not allowed to previously imbibe aerobically. These survival results were mirrored by the significant increase in the oxygen uptake by the embryos of seeds which were allowed to imbibe aerobically for 2 hours prior to anoxia, compared to the embryos of anaerobically imbibed seeds. Germination stage also affected the response of barley (Hordeum vulgare L.) to washing under anoxia, a treatment used to investigate membrane stability and other factors associated with anoxic injury. Temperature, frequency of washing and nutrients present in the washing solution also affect the post-anoxic responses of barley. Daily washing of seedlings under anoxia was often detrimental to post-anoxic survival. One washing only, at the end of the anoxic period, often enhanced survival. This positive effect seemed to be more linked to protection against plasmamembrane leakage due to calcium ions present in the washing solution than to removal of anaerobically-produced potentially toxic volatiles. Two Brazilian tree species were also studied. The seeds of Parkia pendula (Willd.) Benth. ex. Walp., a species typically present in unflooded areas in the Amazon, were still able to germinate after seven months submergence. P.pendula one-month old seedlings, however, did not survive longer than one month flooding, which can be a considerable disadvantage in the ca. six-month long flooding period of the Amazon floodplains. However, adult trees can still be found, although rarely, in flooded areas. The possible strategies involved in an eventual establishment of P.pendula individuals in flooded areas of the Brazilian Amazon are discussed. A contrast is drawn between the responses to flooding of this species and flood-tolerant Parkia discolor. Enterolobium contortisiliquum (Veil.) Morong, is a tree species which is present in both the dry soils of the cerrados (neotropical savannas) in Central Brazil and in the flood-prone Gallery Forests. This species showed considerable tolerance to flooding and drought, as reflected by the various morphological and metabolic adaptations observed in response to these stresses. The role of the xylopodium, a rigid wood tuber, in such tolerance to flood and drought stresses is discussed. Water-stressed roots of some crop species studied presented higher ethanol levels than control plants. Additionally, these same drought-treated roots showed a considerable amount of shrinkage compared to control roots, as measured by root diameter. It is argued that drought causes root shrinkage, which possibly reduces ability of such roots to capture oxygen and results in hypoxia in the tissues and consequent increase in ethanol production. This hypothesis of drought-induced hypoxia is compared with several recent findings in the literature, and is discussed as a possible factor which allows drought, under specific circumstances, to acclimatise plants to a subsequent flooding. From preliminary experiments with alternation of flooding and drought in Eucalyptus species, it appeared that a previous stress affects a plant's response to a subsequent stress. This effect was not always negative, and in E.regnans a five-week drought allowed a subsequent 3-fold increase in flooding survival. This experiment, however, needs to be repeated in order to confirm these results. A common cause for anaerobic injury seems to be unlikely for the diverse plants studied, and anoxia survival often seemed to be related to a combination of morphological and metabolic adaptations. A critical reflection on the risks of labelling plants as tolerant or sensitive to oxygen deprivation is provided, as well as a discussion on the perspectives of applied research which may further the development of ecophysiological theory.
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Books on the topic "Oxygen plane"

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Zupanc, Frank J. Pulsed laser Rayleigh scattering diagnostic for hyrogen/oxygen rocket exit plane flowfield velocimetry. [Washington, DC]: National Aeronautics and Space Administration, 1993.

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Jagadis Gupta, Kapuganti, ed. Plant Respiration and Internal Oxygen. New York, NY: Springer New York, 2017. http://dx.doi.org/10.1007/978-1-4939-7292-0.

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Rio, Luis Alfonso, and Alain Puppo, eds. Reactive Oxygen Species in Plant Signaling. Berlin, Heidelberg: Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-642-00390-5.

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Bhattacharjee, Soumen. Reactive Oxygen Species in Plant Biology. New Delhi: Springer India, 2019. http://dx.doi.org/10.1007/978-81-322-3941-3.

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United States. Congress. House. Committee on Armed Services. Tactical Air and Land Forces Subcommittee. F-22 pilot physiological issues: Hearing before the Subcommittee on Tactical Air and Land Forces of the Committee on Armed Services, House of Representatives, One Hundred Twelfth Congress, second session, hearing held September 13, 2012. Washington: U.S. G.P.O., 2013.

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Penn State Symposium in Plant Physiology (6th 1991 Pennsylvania State University). Active oxygen/oxidative stress and plant metabolism: Proceedings, 6th annual Penn State Symposium in Plant Physiology, May 23-25, 1991. Rockville, Md: American Society of Plant Physiologists, 1991.

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Managers, Institute of Gas Engineers and. Guidance notes on the use of oxygen in industrial gas fired plant and working flame busters. 3rd ed. London: Institute of Gas Engineers and Managers, 1989.

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Olson, John. Oxygen: A mission gone desperately wrong and no way out short of blind faith. Waterville, Me: Thorndike Press, 2001.

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Riggs, Sharon R. The effect of exposure to environmental normoxia and hypoxia on photosynthetic rate and chlorophyll concentration in intertidal Zostera marina leaves. Mount Vernon, Wash: Padilla Bay National Estuarine Research Reserve, Shorelands and Coastal Zone Management Program, Washington State Dept. of Ecology, 1995.

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Piotrowski, Robert. Hierarchiczne sterowanie predykcyjne stężeniem tlenu w reaktorze biologicznej oczyszczalni ścieków: Hierarchical predictive control of dissolved oxygen in biological wastewater treatment plant. Gdańsk: Politechnika Gdańska, 2011.

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Book chapters on the topic "Oxygen plane"

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Hoofd, Louis, Zdenek Turek, and Jos Olders. "Calculation of Oxygen Pressures and Fluxes in a Flat Plane Perpendicular to Any Capillary Distribution." In Oxygen Transport to Tissue XI, 187–96. Boston, MA: Springer US, 1989. http://dx.doi.org/10.1007/978-1-4684-5643-1_23.

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Zhang, Jiacheng, Kazimierz Adamiak, and G. S. Peter Castle. "Negative Corona Discharge in Point-Plane Geometry: Two Species Model in Oxygen." In Gaseous Dielectrics X, 149–54. Boston, MA: Springer US, 2004. http://dx.doi.org/10.1007/978-1-4419-8979-6_21.

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Yoo, K. H., D. H. Ha, Y. Y. Song, Y. K. Park, and J. C. Park. "Effects of Oxygen on Out-of-Plane Magnetoresistance in Bi2Sr2CaCu2O8+x Single Crystals." In Advances in Superconductivity VI, 531–34. Tokyo: Springer Japan, 1994. http://dx.doi.org/10.1007/978-4-431-68266-0_116.

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Kouno, Hideki, Hiroshi Ikeda, and Ryozo Yoshizaki. "Out-of-plane transport properties of Zn-substituted Bi-2212 single crystals with different oxygen content." In Advances in Superconductivity XI, 73–76. Tokyo: Springer Japan, 1999. http://dx.doi.org/10.1007/978-4-431-66874-9_12.

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Schulze, Ernst-Detlef, Erwin Beck, Nina Buchmann, Stephan Clemens, Klaus Müller-Hohenstein, and Michael Scherer-Lorenzen. "Oxygen Deficiency." In Plant Ecology, 143–64. Berlin, Heidelberg: Springer Berlin Heidelberg, 2018. http://dx.doi.org/10.1007/978-3-662-56233-8_5.

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Fuchsman, W. H. "Plant Hemoglobins." In Blood and Tissue Oxygen Carriers, 23–58. Berlin, Heidelberg: Springer Berlin Heidelberg, 1992. http://dx.doi.org/10.1007/978-3-642-76418-9_2.

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Mishra, Sonal, Vikas Srivastava, Shakti Mehrotra, and Syed Naved Quadri. "The Regulation of Plant Development." In Reactive Oxygen Species in Plants, 243–60. Chichester, UK: John Wiley & Sons, Ltd, 2017. http://dx.doi.org/10.1002/9781119324928.ch13.

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Zhdanov, Alexander V., James Hynes, Ruslan I. Dmitriev, and Dmitri B. Papkovsky. "O2 Analysis on a Fluorescence Spectrometer or Plate Reader." In Phosphorescent Oxygen-Sensitive Probes, 29–69. Basel: Springer Basel, 2012. http://dx.doi.org/10.1007/978-3-0348-0525-4_2.

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Simon-Plas, Françoise, and Sébastien Mongr. "ROS and Plant Membrane Rafts." In Reactive Oxygen Species in Plant Signaling, 209–20. Berlin, Heidelberg: Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-642-00390-5_13.

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Jaspers, Pinja, Hannes Kollist, Christian Langebartels, and Jaakko Kangasjärvi. "Plant Responses to Ozone." In Antioxidants and Reactive Oxygen Species in Plants, 268–92. Oxford, UK: Blackwell Publishing Ltd, 2007. http://dx.doi.org/10.1002/9780470988565.ch11.

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Conference papers on the topic "Oxygen plane"

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Balepin, V. V., N. P. Dulepov, E. A. Folomeev, G. D. Harchevnikova, E. V. Tjurikov, and A. Ju Avramenko. "Flight Liquid Oxygen Plant for Aerospace Plane: Thermodynamic and Integration Aspects." In Aerospace Atlantic Conference & Exposition. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 1993. http://dx.doi.org/10.4271/931452.

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ZUPANC, FRANK. "Pulsed laser Rayleigh scattering diagnostic for hydrogen/oxygen rocket exit plane flowfield velocimetry." In 31st Aerospace Sciences Meeting. Reston, Virigina: American Institute of Aeronautics and Astronautics, 1993. http://dx.doi.org/10.2514/6.1993-805.

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Balepin, V. V., and E. V. Tjurikov. "Integrated Air Separation and Propulsion System for Aerospace Plane with Atmospheric Oxygen Collection." In Aerospace Atlantic Conference & Exposition. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 1992. http://dx.doi.org/10.4271/920974.

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Shiomi, Takeshi, Yosuke Fukuyama, Shinichi Miyazaki, Yuichiro Tabuchi, Norio Kubo, and Hiromasa Sakai. "Oxygen Transport Resistances Induced by Rib/Channel Geometry." In ASME 2011 9th International Conference on Fuel Cell Science, Engineering and Technology collocated with ASME 2011 5th International Conference on Energy Sustainability. ASMEDC, 2011. http://dx.doi.org/10.1115/fuelcell2011-54668.

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The influences of rib/channel geometries on the oxygen transport resistances in a polymer electrolyte fuel cell (PEFC) were investigated through experimental and numerical analyses. A limiting current method was used for evaluating the oxygen transport resistances, which could be separated into two parts. One was macro transport resistances, which were defined as pressure-dependent resistances and the other was micro transport resistances, which were defined as pressure-independent resistances. Both of resistances significantly increased with wider rib/channel widths. Also, the increase in micro transport resistances was more significant than that in macro transport resistances in the lower Platinum (Pt) loading. The numerical model implementing oxygen transport resistances near Pt surface was well correlated with experimental results. The validation results revealed that both in-plane and through-plane reaction distribution became inhomogeneous due to the oxygen concentration distribution induced by rib/channel geometry, resulting in the increase in both oxygen transport resistances. The through-plane reaction distribution also suggested that the micro transport resistances increased due to larger oxygen flux per Pt surface area under low Pt loading. Moreover, the model was applied to verify the impact of oxygen transport resistances on cell performance with lower Pt loading. It was found that the increase in oxygen transport resistances due to larger oxygen flux per Pt surface area lowered the cell performance under high current density operation.
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BYKOVSKII, F. A., S. A. ZHDAN, E. F. VEDERNIKOV, A. E. TARNAIKIN, and A. N. SAMSONOV. "CONTINUOUS DETONATION OF A HYDROGEN-OXYGEN GAS MIXTURE IN A PLANE-RADIAL COMBUSTOR WITH EXHAUSTION TOWARD THE PERIPHERY." In The 11th International Colloquium on Pulsed and Continuous Det- onations (ICPCD). TORUS PRESS, 2019. http://dx.doi.org/10.30826/icpcd201825.

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Yonemoto, M., K. Sano, K. Endo, T. Matsukawa, M. Masahara, and S. Samukawa. "Low Temperature, Anisotropic, Lattice-Plane-Free and Damage-free Oxidation for 3 Dimensional Structure by Oxygen Neutral Beams." In 2008 International Conference on Solid State Devices and Materials. The Japan Society of Applied Physics, 2008. http://dx.doi.org/10.7567/ssdm.2008.p-1-4.

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Wang, Yun, and Ken S. Chen. "Predicting Through-Plane Water Distribution in a Polymer Electrolyte Fuel Cell." In ASME 2010 8th International Conference on Fuel Cell Science, Engineering and Technology. ASMEDC, 2010. http://dx.doi.org/10.1115/fuelcell2010-33029.

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In this paper, a two-dimensional (2D) model is presented for simulating the coupled phenomena of gaseous fuel/reactant flows, species (including liquid water) transport, heat transfer, hydrogen oxidation and oxygen reduction reactions in a PEM fuel cell. A 1D analysis is presented to explain the characteristics of water-content profile at the cathode GDL (gas diffusion layer)-MPL (microporous layer) interface and possible reasons for no experimental observation on the characteristics. 2D model predictions are further computed numerically and compared with available experimental data from neutron imaging. Reasonably good agreements are obtained in comparisons between the computed water profiles and the neutron-imaging data. Case-study simulations are carried out for PEM fuel cell operation at various current densities and 40 °C. The results show that the cathode water content increases with the current density, but the anode side exhibits a complex trend at the considered temperature operation: at high current density the anode water content may become lower partly due to the local heating.
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Hess, Katherine C., William K. Epting, and Shawn Litster. "Micron-Scale Diagnostics for Through-Plane Transport Phenomena in Porous Electrodes." In 2010 14th International Heat Transfer Conference. ASMEDC, 2010. http://dx.doi.org/10.1115/ihtc14-22928.

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This paper presents the development of a new method for characterizing the electrochemistry and transport phenomena in the porous electrodes of polymer electrolyte membrane fuel cells (PEMFCs). The new method uses a unique microstructured electrode scaffold (MES) that provide an architecture for obtaining measurements at discrete points through the thickness of an electrode. This paper reports on the design, fabrication and initial testing of an MES for measuring ionic potential across the thickness of a PEMFC’s cathode. The new fuel cell hardware and reference electrodes (REs), which gather electrolyte potential measurements through the thickness of the electrode via the MES, have been tested for accuracy and repeatability. The use of hydrogen oxidation reaction (HOR) REs versus oxygen reduction reaction (ORR) REs is analyzed and discussed. Polarization data was also gathered and the REs are used to separate the half-cell potentials. Finally, the preliminary fabrication of an MES and a micro-structural analysis are discussed.
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Wang, Shixue, Yoshio Utaka, and Yutaka Tasaki. "Measurement of Oxygen Diffusion Characteristics of Porous Media Used for the Gas Diffusion Layer of Proton-Exchange Membrane Fuel Cells." In ASME/JSME 2007 Thermal Engineering Heat Transfer Summer Conference collocated with the ASME 2007 InterPACK Conference. ASMEDC, 2007. http://dx.doi.org/10.1115/ht2007-32604.

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It is known that the mass transfer characteristics of the gas diffusion layer (GDL) are closely related to the performance of a proton-exchange membrane fuel cell. In this study, an experimental method was established for measuring the gas diffusion coefficient in porous media by using an oxygen concentration sensor based on a galvanic battery operating at normal temperature. The oxygen diffusion coefficient in air measured by this method corresponded with data in the literature within ±6% deviation. The oxygen diffusion coefficients of two kinds of porous media generally used for the GDL were measured by the experimental method for dry and wet samples. The results indicate that the gas diffusion coefficient in porous media not only depends on porosity but is also affected by other factors, for example, tortuosity. It was also found that the diffusion coefficient in different directions, for example, through-plane and in-plane, in porous media can be very different. The oxygen diffusion coefficient in the porous media containing liquid water varied nonlinearly with the saturation level and was strongly affected by other factors as well.
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Tsuboi, Tomomasa, Takefumi Saito, Shohei Takata, Tetsuro Ohdaira, Shuichi Yano, Tetsuji Kawamura, Toru Yamanaka, Masahiro Abe, Kensuke Sumi, and Atsuo Sato. "The effectiveness of PaCO2-pH coordinate plane to predict prognosis in patients with chronic respiratory failure receiving long-term oxygen therapy." In ERS International Congress 2019 abstracts. European Respiratory Society, 2019. http://dx.doi.org/10.1183/13993003.congress-2019.pa2458.

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Reports on the topic "Oxygen plane"

1

Armitage, Norman P. Doping the Copper-Oxygen Planes with Electrons: The View with Photoemission. Office of Scientific and Technical Information (OSTI), March 2002. http://dx.doi.org/10.2172/799027.

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2

Butkus, S. R., M. C. Shiao, and B. L. Yeager. The effect of Sequoyah Nuclear Plant on dissolved oxygen in Chickamauga Reservoir. Office of Scientific and Technical Information (OSTI), September 1990. http://dx.doi.org/10.2172/6120873.

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Fink, S. D. Task Technical Plan for Studies of Oxygen Consumption in the Catalyzed Hydrolysis of Tetraphenylborate Ion. Office of Scientific and Technical Information (OSTI), December 1996. http://dx.doi.org/10.2172/626459.

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