Relevant bibliographies by topics / Detecting temperature inflection points

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  1. Journal articles
  2. Dissertations / Theses
  3. Book chapters
  4. Conference papers

Academic literature on the topic 'Detecting temperature inflection points'

Author: Grafiati
Published: 28 May 2022
Last updated: 31 July 2025

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Journal articles on the topic "Detecting temperature inflection points"

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Pompa-García, Marín, Eduardo Daniel Vivar-Vivar, Andrea Cecilia Acosta-Hernández, and Sergio Rossi. "The Phenophases of Mixed-Forest Species Are Regulated by Photo-Hydro-Thermal Conditions: An Approach Using UAV-Derived and In Situ Data." Forests 16, no. 7 (2025): 1118. https://doi.org/10.3390/f16071118.

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Severe drought events have raised concerns regarding their effects on the phenological cycles of forest species. This study evaluates the correspondence between in situ phenophases and those detected by an unmanned aerial vehicle (UAV) in tree species coexisting within a mixed forest, with particular attention to their relationship with climatic variables. Based on 12 consecutive monthly field observations, we compared phenological developments with UAV-derived normalized difference vegetation index (NDVI) values, which were then correlated with environmental variables. The analysis revealed a
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Klemetsdal, Øystein S., Olav Møyner, and Knut-Andreas Lie. "Robust Nonlinear Newton Solver With Adaptive Interface-Localized Trust Regions." SPE Journal 24, no. 04 (2019): 1576–94. http://dx.doi.org/10.2118/195682-pa.

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Summary The interplay of multiphase-flow effects and pressure/volume/temperature behavior encountered in reservoir simulations often provides strongly coupled nonlinear systems that are challenging to solve numerically. In a sequentially implicit method, many of the essential nonlinearities are associated with the transport equation, and convergence failure for the Newton solver is often caused by steps that pass inflection points and discontinuities in the fractional-flow functions. The industry-standard approach is to heuristically chop timesteps and/or dampen updates suggested by the Newton
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Zahir, N., and A. Ali. "EVALUATION AND ANALYSIS OF URMIA LAKE WATER LEVEL FLUCTUATIONS BETTWEN 1998-2006 USING LANDSAT IMAGES AND TOPEX ALTIMETRY DATA." ISPRS - International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences XL-1-W5 (December 11, 2015): 549–54. http://dx.doi.org/10.5194/isprsarchives-xl-1-w5-549-2015.

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The Lake Urmiah has undergone a drastic shrinkage in size over the past few decades. The initial intention of this paper is to present an approach for determining the so called “salient times” during which the trend of the shrinkage process is accelerated or decelerated. To find these salient times, a quasi_continuous curve was optimally fitted to the Topex altimetry data within the period 1998 to 2006. To find the salient points within this period of time, the points of inflections of the fitted curve is computed using a second derivative approach. The water volume was also computed using 16
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Manocha, Dinesh, and John F. Canny. "Detecting cusps and inflection points in curves." Computer Aided Geometric Design 9, no. 1 (1992): 1–24. http://dx.doi.org/10.1016/0167-8396(92)90050-y.

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Ершова, А. М., М. К. Овезов, И. П. Щербаков та А. Н. Алешин. "Электрические свойства пленок металлоорганических перовскитов". Физика твердого тела 61, № 2 (2019): 243. http://dx.doi.org/10.21883/ftt.2019.02.47121.247.

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AbstractThe electrical properties of the films of organometallic perovskites CH_3NH_3PbBr_3 and CH_3NH_3PbI_3 were studied. Current–voltage characteristics for the CH_3NH_3PbBr_3 and CH_3NH_3PbI_3 samples were measured in a temperature range of 300–80 K, from which the temperature dependences of resistivity ρ( T ) having characteristic points of inflection in a range of 160–240 K were determined. The activation energies of charge carriers prior to and after points of inflection were determined. It is assumed that the observed features in the temperature dependences of resistivity (temperature
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Gałązka, Miroslaw, P. Szklarz, G. Bator, and Piotr Zieliński. "Critical Behaviour in Ferroelectrics as Studied by Nonlinear Dielectric Effect. Invariants of the Electric Susceptibility in a Biasing Field." Solid State Phenomena 112 (May 2006): 141–0. http://dx.doi.org/10.4028/www.scientific.net/ssp.112.141.

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The simplest equation of state compatible with the Widom and Griffiths scaling hypothesis have been built for the uniaxial ferroelectrics TGS and MAPCB. The explicit forms have been found of the scaling invariants deduced from the curves of the electric susceptibility measured in a constant biasing field. Smooth and sharp inflection points of the susceptibility curve in the vicinity of the critical temperature have been classified. The invariants and the inflection points have been used to determine critical parameters of TGS and MAPCB.
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Yang, Jingjing, Weizhong Tian, Chengliang Tian, Sha Li, and Wei Ning. "Empirical likelihood method for detecting change points in network autoregressive models." AIMS Mathematics 9, no. 9 (2024): 24776–95. http://dx.doi.org/10.3934/math.20241206.

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<p>The network autoregressive model is a super high-dimensional time series model that can fully explain social relationships. This model can fully reflect the complex relationships in reality. Therefore, it plays a vital role in detecting the inflection point problem of this network autoregressive model for economics and finance. In this paper, we proposed the change-point problem of detecting network autoregressive models using empirical likelihood statistics based on the expected error term of the switching rule being 0, using the empirical likelihood method. Moreover, the asymptotic
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Kachouie, Nezamoddin N., and Osita E. Onyejekwe. "Climate Change Study via the Centennial Trend of Climate Factors." Hydrology 7, no. 2 (2020): 25. http://dx.doi.org/10.3390/hydrology7020025.

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Background: The purpose of this work is to discover underlying trends of climate factors, identify their peaks and inflection points between 1880 and 2017, and study their response to climate change. Five climate factors including Land Temperature, Sea Surface Temperature, Temperature Over Land Plus Ocean, Carbon Dioxide concentration, and Northern Hemisphere Sea Ice Extent are studied in this paper. Methods: First, the kernel regression is applied to smooth and recover underlying trends of the climate factors between 1880 and 2017. To characterize temporal changes in the global climate via cl
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Wang, Qingwu, and Xiaofu Lü. "Magnetic field and EoS of neutron star matter at finite temperature." International Journal of Modern Physics E 24, no. 07 (2015): 1550051. http://dx.doi.org/10.1142/s0218301315500512.

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In this paper, magnetic field and equation of state (EoS) of neutron star matter are studied under relativistic mean field theory. A nonzero mass term of magnetic field in the Lagrangian is introduced, which depends on baryon density of charged particles. The magnetic field has not been treated as external as usual and the calculations of magnetic field strength at finite temperature reveal the existence of inflection points in certain densities.
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Chernenko, A. S., V. V. Kalinchak, M. N. Korchagina, and D. S. Darakov. "Influence of Mass Transfer on the Critical Conditions and the Time of the Coke Particle Ignition." Ukrainian Journal of Physics 64, no. 9 (2019): 793. http://dx.doi.org/10.15407/ujpe64.9.793.

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The time evolution of the temperature in a coke particle during its ignition in a heated gas has been analyzed in order to analytically determine the induction period with regard for the mass transfer of oxygen to the particle surface. It is shown that the ignition process can be divided into characteristic stages. But the inflection points in the time dependence of the particle temperature do not coincide with the stage boundaries and, hence, cannot be used for their identification. When determining the end of the heating stage analytically, it is better to associate it with a temperature tha
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Dissertations / Theses on the topic "Detecting temperature inflection points"

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Hashmi, А., and А. Kalashnikov. "Comparison of the responsiveness of ultrasonic oscillating temperature sensors (UOTSes) and conventional sensors to temperature inflection." Thesis, Sumy State University, 2017. http://essuir.sumdu.edu.ua/handle/123456789/55751.

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Ultrasonic oscillating temperature sensors (UOTSes), in distinction to conventional temperature sensors, feature almost negligible settling time. This property can be useful for detecting malfunctions, failures and misuses of heat exchangers. However, most exchangers handle substantial thermal masses, which obscure the detection of any temperature changes. We compared the responsiveness of conventional DS18B20 sensors and an UOTS to the change in the temperature gradient of over 3.5 kg of water using a posteriori records. Temperature inflection points were estimated by extending the
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Book chapters on the topic "Detecting temperature inflection points"

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Manocha, Dinesh, and John F. Canny. "Detecting Cusps and Inflection Points in Curves." In Curves and Surfaces. Elsevier, 1991. http://dx.doi.org/10.1016/b978-0-12-438660-0.50049-2.

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Conference papers on the topic "Detecting temperature inflection points"

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Yuan, Shuai, wenli li, and Weiyi Cao. "Online handwritten signature verification method based on attention-BiLSTM for inflection points detecting and stroke segment matching." In Seventeenth International Conference on Digital Image Processing (ICDIP 2025), edited by Xudong Jiang, Jindong Tian, Ting-Chung Poon, and Zhaohui Wang. SPIE, 2025. https://doi.org/10.1117/12.3074218.

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O’Neil, Michael P., George L. Gaines, Walter A. Svec, Mark P. Niemczek, and Michael R. Wasielewski. "Low Temperature Ultrafast Charge Separation; Rate vs Free Energy." In International Conference on Ultrafast Phenomena. Optica Publishing Group, 1990. http://dx.doi.org/10.1364/up.1990.mc27.

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Photoinduced charge separation reactions in a large series of rigid porphyrin-triptycene-quinone (donor-spacer-acceptor) molecules were studied with picosecond transient absorbance and fluorescence techniques in polar and non-polar solvent at room temperature and at 77K in MTHF glass. At 77k the fluorescence yield as a function of free energy sharply inflects at 0.6eV. However at room temperature in toluene a less pronounced inflection occurs at 0.3eV. These inflection points represent the driving force where the rates of electron transfer approach the fluorescence decay rate of the porphyrin.
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Hossain, Md Abir, Adan J. Mireles, and Calvin M. Stewart. "A Machine Learning Approach for Stress-Rupture Prediction of High Temperature Austenitic Stainless Steels." In ASME Turbo Expo 2022: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2022. http://dx.doi.org/10.1115/gt2022-84352.

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Abstract This study outlines a machine learning approach for long-term stress-rupture (SR) prediction of high temperature austenitic stainless steel. Traditional methods of lifetime estimation and alloy design for turbomachinery application rely mostly on repeated testing, prior experience, and trial-and-error approach, which are laborious, time intensive, and costly. Recent advances in machine learning offer an accelerated technique for the development of constitutive creep laws, superior alloy designs, and reliable long-term performance prediction. To that end, a machine learning approach is
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Hossain, Md Abir, Mohammad Shafinul Haque, and Calvin M. Stewart. "A Datum Temperature Calibration Approach for Long-Term Minimum-Creep-Strain-Rate and Stress-Rupture Prediction Using Sine-Hyperbolic Creep-Damage Model." In ASME 2022 Pressure Vessels & Piping Conference. American Society of Mechanical Engineers, 2022. http://dx.doi.org/10.1115/pvp2022-82064.

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Abstract This study introduces a datum temperature (DT) calibration approach for improved extrapolation of minimum-creep-strain-rate (MCSR) and stress-rupture (SR) data. The ASME B&PV code III outlines stringent requirements for the approval of materials where each heat is to be tested to 10,000+ hours to be qualified for service. Additionally, components operating at a range of service conditions require tests to be performed at many combinations of stress and temperature. Subsequently, it takes years to decades for new creep-resistant alloys to be implemented due to the number, duration,
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Pei, Xianjun, Shaopin Song, and Pingsha Dong. "An Analytical Method for Estimating Welding-Induced Plastic Zone Size for Residual Stress Profile Development." In ASME 2015 Pressure Vessels and Piping Conference. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/pvp2015-45750.

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As demonstrated in a recent comprehensive study on construction of full-field residual stress profiles for fitness-for-service assessment of pressure vessel and piping components, a reasonable estimate of welding-induced plastic zone size is necessary for introducing a shell theory based solution form (Song et al, 2015 [1–2]). This paper presents an analytical method for estimating plastic zone size by first solving an equivalent one dimensional heat transfer problem in which weld zone is represented by a line segment with initial temperature at melting. Thermoplasticity conditions are then im
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Hasselmann, Karsten, Felix Reinker, Stefan aus der Wiesche, and Eugeny Y. Kenig. "Numerical Optimization of a Piece-Wise Conical Contraction Zone of a High-Pressure Wind Tunnel." In ASME/JSME/KSME 2015 Joint Fluids Engineering Conference. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/ajkfluids2015-15064.

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The Organic Rankine Cycle (ORC) offers a great potential for recovering waste heat and using low-temperature sources for power generation. However, the ORC thermal efficiency is limited by the relatively low temperature level, and, therefore, designing ORC components with high efficiencies and minimized losses is of major importance. Such an approach requires the use of a specially designed closed cascade wind tunnel. This contribution presents the design of the contraction zone shape. The ideal shape can be defined by a sixth order polynomial yielding a smooth curve for the nozzle profile. Du
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Kalwar, G. M., A. Al-Sagr, M. A. Rowaie, and A. Malyazin. "Closing the Loop with the Well Integrity: Deploying High-Definition Acoustic and Temperature Logging for Detecting Complex Multi Annuli Communication and Integration of Geochemical Analysis." In SPE Europe Energy Conference and Exhibition. SPE, 2024. http://dx.doi.org/10.2118/220115-ms.

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Abstract The integrity of a well system is crucial for ensuring optimized and safe flow. However, current methods and technologies used to assess well system integrity face limitations due to well design, barriers, and completion elements. This method demonstrates how specific acoustic, temperature and fingerprinting technologies can be utilized to identify tubular-annuli communications. By correlating downhole data with surface and fluid samples from each annulus, researchers confidently determine the source of Sustained Annulus Pressure (SAP) in multiple annuli. This discovery can lead to pr
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Zhang, Peter, and Kamran Mohseni. "Numerical Investigations of Digitized Heat Transfer." In ASME 2012 10th International Conference on Nanochannels, Microchannels, and Minichannels collocated with the ASME 2012 Heat Transfer Summer Conference and the ASME 2012 Fluids Engineering Division Summer Meeting. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/icnmm2012-73297.

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In the rapidly evolving field of high-powered electronics, hardware continues to become smaller and more powerful. The consequence of this trend is tightly packed electronic components and high heat generation rates that demands more efficient thermal management techniques. In this paper, digitized heat transfer using electrowetting on a dielectric is examined as a potential solution. A numerical simulation of translating microdroplets in a parallel plate and axisymmetric pipe is studied. From previous studies, it is known that translating microdroplets have improved heat transfer over continu
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Wei, Gang, Guangxu Zhang, Siqi Chen, et al. "Experimental Study on Effect of State of Charge on Thermal Runaway Characteristics of Commercial Large-Format NCM811 Lithium-Ion Battery." In WCX SAE World Congress Experience. SAE International, 2023. http://dx.doi.org/10.4271/2023-01-0136.

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<div class="section abstract"><div class="htmlview paragraph">The application of Li(Ni<sub>0.8</sub>Co<sub>0.1</sub>Mn<sub>0.1</sub>)O<sub>2</sub> (NCM811) cathode-based lithium-ion batteries (LIBs) has alleviated electric vehicle range anxiety. However, the subsequent thermal safety issues limit their market acceptance. A detailed analysis of the failure evolution process for large-format LIBs is necessary to address the thermal safety issue. In this study, prismatic cells with nominal capacities of 144Ah and 125Ah are used to invest
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Inukai, H., R. Yamada, M. A. Elkhazragi, et al. "Application of a New Temperature Array System During Exploratory DST-TCP Operations for Greater Reservoir Understanding in a Cost-Effective and Environmentally friendly Manner." In International Petroleum Technology Conference. IPTC, 2024. http://dx.doi.org/10.2523/iptc-24455-ea.

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A new technology consisting of a distributed temperature array system has been deployed for the first-time during exploration drillstem testing (DST). It was successfully used to evaluate fluid movements across and into the tested formation throughout operations and helped characterize vertical heterogeneities in a complex carbonate reservoir without in-well intervention. The distributed temperature array system was deployed to acquire temperature profile data during the entire sequence of drill-stem testing operations, from run in hole through perforation, stimulation, flow, and fluids re-inj
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