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Artykuły w czasopismach na temat „Optimal Temperature Profile (OTP)”

Autor: Grafiati

Data publikacji: 30 listopada 2024

Data aktualizacji: 31 lipca 2025

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1

Zhang, Sai, and Nathalie Trottier. "15 Young Scholar Presentation: Impact of a Near Ideal Amino Acid Profile on the Efficiency of Nitrogen and Energy Utilization in Lactating Sows." Journal of Animal Science 98, Supplement_3 (2020): 17–18. http://dx.doi.org/10.1093/jas/skaa054.029.

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Abstract The objective was to determine the efficiency of EAA and energy for lactation in sows and quantify their metabolic heat production fed a reduced protein diet. We hypothesized that feeding a reduced protein diet with near ideal AA profile (NIAA) and a leucine:lysine of 1.14 improves the dietary essential AA (EAA) and energy utilization efficiency and reduces the metabolic heat associated with lactation, compared to feeding diets containing leucine:lysine of 1.63. Three diets were formulated iso-calorically (2,580 kcal/kg net energy), including 1) control diet with a 1.63 leucine:lysine

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Mamaní, Arminda, Yolanda Maturano, Laura Herrero, Laura Montoro, and Fabiana Sardella. "Increase in Fermentable Sugars of Olive Tree Pruning Biomass for Bioethanol Production: Application of an Experimental Design for Optimization of Alkaline Pretreatment." Periodica Polytechnica Chemical Engineering 66, no. 2 (2022): 269–78. http://dx.doi.org/10.3311/ppch.18247.

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Olive Tree Pruning (OTP) biomass can be considered a suitable source of fermentable sugars for the production of second-generation bioethanol. The present study proposes a remarkable alternative for the valorization of olive tree pruning residues. OTP biomass was processed using a sequential calcium hydroxide pretreatment/enzymatic hydrolysis. A 24–1 half fractional factorial design was adopted for the screening of process variables and a central composite design was used for the optimization stage. Temperature and lime loading resulted statistically significant. The following optimal conditio

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3

Xie, Mengzhen, Mingjian Gu, Chunming Zhang, et al. "Comparative Study of the Atmospheric Gas Composition Detection Capabilities of FY-3D/HIRAS-I and FY-3E/HIRAS-II Based on Information Capacity." Remote Sensing 15, no. 16 (2023): 4096. http://dx.doi.org/10.3390/rs15164096.

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Fengyun-3E (FY-3E)/Hyperspectral Infrared Atmospheric Sounder-II (HIRAS-II) is an extension Fengyun-3D (FY-3D)/HIRAS-I. It is crucial to fully explore and analyze the detection capabilities of these two instruments for atmospheric gas composition. Based on the observed spectral data from the infrared hyperspectral detection instruments FY-3D/HIRAS-I and FY-3E/HIRAS-II, simulated radiance data and Jacobian matrices are obtained using the Rapid Radiative Transfer Model RTTOV (Radiative Transfer for TOVS (TIROS Operational Vertical Sounder)). By perturbing temperature (T), surface temperature (Ts

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4

Madappa, Eshwari A., M. V. Sankalp Reddy, Rajaneesh R, Shashank A S, and Sudeep S. Kodad. "Encrypt Express: Security Enhancement, Maximizing Load Utilization in Cargo Transport through IoT and Algorithmic Solutions." International Journal of Emerging Science and Engineering 12, no. 8 (2024): 20–26. http://dx.doi.org/10.35940/ijese.e4490.12080724.

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The Encrypt Express model revolutionizes cargo logistics by leveraging IoT technology to improve safety, security, and efficiency. It integrates the DHT11 sensor to monitor environmental conditions such as temperature and humidity, ensuring optimal storage of goods. Using one-time password (OTP) access for the doors significantly enhances security, while the cargo compartment is divided into two slots for better cargo management. The features of the model include distance-based pricing, optimizing costs based on journey length. To improve user experience and tracking, an intuitive user interfa

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5

Jahanmiri, A., and R. Eslamloueyan. "Optimal temperature profile in methanol synthesis reactor." Chemical Engineering Communications 189, no. 6 (2002): 713–41. http://dx.doi.org/10.1080/00986440212475.

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Maansson, Bengt, and Bjarne Andresen. "Optimal temperature profile for an ammonia reactor." Industrial & Engineering Chemistry Process Design and Development 25, no. 1 (1986): 59–65. http://dx.doi.org/10.1021/i200032a010.

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Rajaneesh, R. "Encrypt Express: Security Enhancement, Maximizing Load Utilization in Cargo Transport through IoT and Algorithmic Solutions." International Journal of Emerging Science and Engineering (IJESE) 12, no. 8 (2024): 20–26. https://doi.org/10.35940/ijese.E4490.12080724.

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<strong>Abstract:</strong> The Encrypt Express model revolutionizes cargo logistics by leveraging IoT technology to improve safety, security, and efficiency. It integrates the DHT11 sensor to monitor environmental conditions such as temperature and humidity, ensuring optimal storage of goods. Using one-time password (OTP) access for the doors significantly enhances security, while the cargo compartment is divided into two slots for better cargo management. The features of the model include distance-based pricing, optimizing costs based on journey length. To improve user experience and tracking

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8

De, S., P. K. Sanyal, A. K. Sarkar, N. K. Patel, S. Pal, and S. C. Mandal. "Screening for Indian isolates of egg-parasitic fungi for use in biological control of fascioliasis and amphistomiasis in ruminant livestock." Journal of Helminthology 82, no. 3 (2008): 271–77. http://dx.doi.org/10.1017/s0022149x08982602.

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AbstractWild isolates of the egg-parasitic fungiPaecilomyces lilacinusandVerticillium chlamydosporium, obtained from the organic environment of Durg, Chhattisgarh, India, were subjected to screening forin vitrogrowth using different media types, range of incubation temperature and pH, and their predatory activity to the eggs ofFasciola giganticaandGigantocotyle explanatum. Maximum growth ofP. lilacinuswas obtained in corn-meal agar compared to any other media types. The preferred medium for growth ofV. chlamydosporiumwas corn-meal agar, followed by potato-dextrose agar. After initial growth fo

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9

Terajima, Yoshimi, and Yasuo Nonaka. "Optimization of Retort Temperature Profile Using Optimal Control Theory." Transactions of the Japan Society of Mechanical Engineers Series C 61, no. 586 (1995): 2387–94. http://dx.doi.org/10.1299/kikaic.61.2387.

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10

Grasza, K., E. Janik, A. Mycielski, and J. Ba̧k-Misiuk. "The optimal temperature profile in crystal growth from the vapour." Journal of Crystal Growth 146, no. 1-4 (1995): 75–79. http://dx.doi.org/10.1016/0022-0248(94)00520-6.

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11

Mandija, Florian, Philippe Keckhut, Dunya Alraddawi, Sergey Khaykin, and Alain Sarkissian. "Climatology of Cirrus Clouds over Observatory of Haute-Provence (France) Using Multivariate Analyses on Lidar Profiles." Atmosphere 15, no. 10 (2024): 1261. http://dx.doi.org/10.3390/atmos15101261.

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This study aims to achieve the classification of the cirrus clouds over the Observatory of Haute-Provence (OHP) in France. Rayleigh–Mie–Raman lidar measurements, in conjunction with the ERA5 dataset, are analyzed to provide geometrical morphology and optical cirrus properties over the site. The method of cirrus cloud climatology presented here is based on a threefold classification scheme based on the cirrus geometrical and optical properties and their formation history. Principal component analysis (PCA) and subsequent clustering provide four morphological cirrus classes, three optical groups

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12

KHERICI, S., and D. BENOUALI. "COOLING PROFILE OF POTASSIUM HYDROGEN TARTRATE BATCH CRYSTALLIZATION." Engineering and Technology Journal 07, no. 06 (2022): 1315–21. https://doi.org/10.5281/zenodo.6786484.

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Batch crystallization is an important chemical unit operation. So, large numbers of published works were focused on batch crystallization modelization, simulation, optimization, control and parameter estimation. In this work, an optimization is made with the objective to obtain the optimal cooling temperature strategy of a batch crystallizer realized in our laboratory. The potassium hydrogenotartarate (cream of tartar) subject of our study is recovered from wine tartar, a solid byproduct of winemaking, using batch cooling crystallization. To determine the optimum cooling temperature profile wi

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13

Wei, Huidong. "Optimisation on Thermoforming of Biodegradable Poly (Lactic Acid) (PLA) by Numerical Modelling." Polymers 13, no. 4 (2021): 654. http://dx.doi.org/10.3390/polym13040654.

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Poly (lactic acid) (PLA) has a broad perspective for manufacturing green thermoplastic products by thermoforming for its biodegradable properties. The mechanical behaviour of PLA has been demonstrated by its strong dependence on temperature and strain rate at biaxial deformation. A nonlinear viscoelastic model by the previous study was employed in a thermoforming process used for food packaging. An optimisation approach was developed by achieving the optimal temperature profile of specimens by defining multiple heating zones based on numerical modelling with finite element analysis (FEA). The

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14

Ibrahim, Muhammad Naqiuddin Ali, Muhammad Sharfi Najib, and Suhaimi Mohd Daud. "Correlation Investigation of Odour-Profile and Temperature Intensity." MEKATRONIKA 4, no. 2 (2022): 48–57. http://dx.doi.org/10.15282/mekatronika.v4i2.8943.

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Water is important to all human and economic activity. Despite its abundant water resources, Malaysia's water demand and consumption was increased in recent years. This study had been investigating the condition of Malaysia's water resources at present. This study aims to identify water by examining its odour profile and temperature intensity. E-Anfun E-nose was applied to generate a pattern of the volatile compounds included in the samples. The optimal correlation was discovered between odour feature extractions from many samples produced using the same E-Anfun unit. An intelligent algorithm

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15

Korkoren, Kenneth, Titus Rotich, and Samwel Rotich. "Mathematical Modeling of a Solar Drier Temperature Profile." International Journal of Applied Mathematical Research 14, no. 2 (2025): 1–9. https://doi.org/10.14419/1ct56h49.

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Food shortages in most countries are not only associated with unfavorable weather conditions, but are also significantly blamed on ineffective post-harvest handling of food. Eminent threats caused by post-harvest losses ‎due to inadequate drying and poor storage is responsible for up to 40-60% losses of agricultural produce each ‎season. One of the mitigation strategies is the provision of sustainable and affordable food drying facilities. The ‎most suitable solution is the use of solar food driers, which can be accessed locally. The optimal performance of ‎a solar food drier depends on the co

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16

DeVore, Ronald, and Enrique Zuazua. "Recovery of an initial temperature from discrete sampling." Mathematical Models and Methods in Applied Sciences 24, no. 12 (2014): 2487–501. http://dx.doi.org/10.1142/s0218202514500262.

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The problem of recovering the initial temperature of a body from discrete temperature measurements made at later times is studied. While this problem has a general formulation, the results of this paper are only given in the simplest setting of a finite (one-dimensional), constant coefficient, linear rod. It is shown that with a judicious placement of a thermometer on this rod, the initial temperature profile of the rod can be completely determined by later time measurements. The paper then studies the number of measurements that are needed to recover the initial profile to a prescribed accura

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17

Zullo, Federico, and Claudio Giorgi. "On the Optimal Shape and Efficiency Improvement of Fin Heat Sinks." Energies 16, no. 1 (2022): 316. http://dx.doi.org/10.3390/en16010316.

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In this paper, we analyze the values of the entropic efficiency of longitudinal fins by investigating the coupling between the function describing the fin profile and the corresponding steady-state temperature distribution along the fin. By starting from different boundary conditions, we look at the distribution temperature maximizing the efficiency of the fin. From this temperature distribution and by requesting that the fin must comply with natural physical constraints, such as the maximum fin thickness, we obtain an optimal profile for a purely convective fin and a convecting–radiating fin.

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18

Spirkl, W., H. Ries, and A. Kribus. "Optimal Parallel Flow in Solar Collectors for Nonuniform Irradiance." Journal of Solar Energy Engineering 119, no. 2 (1997): 156–59. http://dx.doi.org/10.1115/1.2887896.

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We consider volumetric thermal absorbers exposed to nonuniform irradiance. The fluid flows perpendicular to the absorber surface. The fluid transport from front to rear surface elements is connected in a parallel configuration. We investigate the optimum adjustment of the local mass flux or, equivalently, the local absorber temperature. Three different strategies are compared: (1) strategy of uniform mass flux, (2) strategy of uniform exit temperature, and (3) a strategy with a locally optimized temperature-flow profile. Significant improvement of strategy (2) compared to (1) and of strategy (

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19

Rehman, Maha, Talha Shah, Talha Shabir, et al. "Growth of Spirulina spp. at different temperatures and their impact on pigment production, oxidants and antioxidants profile." PLOS ONE 20, no. 2 (2025): e0313350. https://doi.org/10.1371/journal.pone.0313350.

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The study investigated the effect of different temperatures on the growth, pigment production, oxidative stress markers, and antioxidant profile of Spirulina spp. The results showed that the maximum growth of Spirulina was observed at 20°C, while the chlorophyll a, chlorophyll b, and carotenoid contents decreased at higher temperatures. Additionally, the concentration of oxidants such as MDA and H2O2 increased with temperature, while the concentration of antioxidants such as SOD, POD, and APX also increased with temperature. However, the optimal concentration of antioxidants varied with temper

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20

Rutkowski, Lucile, Alexandra C. Johansson, Damir Valiev, et al. "Detection of OH in an atmospheric flame at 1.5 um using optical frequency comb spectroscopy." Photonics Letters of Poland 8, no. 4 (2016): 110. http://dx.doi.org/10.4302/plp.2016.4.07.

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We report broadband detection of OH in a premixed CH4/air flat flame at atmospheric pressure using cavity-enhanced absorption spectroscopy based on an Er:fiber femtosecond laserand a Fourier transform spectrometer.By taking ratios of spectra measured at different heights above the burner we separate twenty OH transitions from the largely overlapping water background. Weretrieve from fits to the OH lines the relative variation of the OH concentration and flame temperature with height above the burner and compare them with 1-D simulations of the flamestructure. Full Text: PDF ReferencesG. Meijer

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21

Ivannikov, Valerii, Maksim Nikulin, and Sergej Samojlenkov. "DETERMINATION AND PROVISION OF OPTIMAL THERMAL PROFILE IN TRANSMISSION UNITS OF WHEELED VEHICLES DURING OPERATION AT LOW TEMPERATURES." Voronezh Scientific-Technical Bulletin 2, no. 2 (2022): 50–57. http://dx.doi.org/10.34220/2311-8873-2022-50-57.

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The article discusses materials on optimizing the temperature regime of transmission units of wheeled vehicles when operating at low temperatures. In preparing this review, we used materials in Russian published in the period from 2000 to 2021. We analyzed the materials illustrating the determination of the optimal temperature regime for transmission units, considered integrated heat supply systems, and proposed directions for further development of the process for determining and ensuring the optimal thermal profile in the transmission units of wheeled vehicles.

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Li, Jun, Lingen Chen, and Fengrui Sun. "Maximum work output of multistage continuous Carnot heat engine system with finite reservoirs of thermal capacity and radiation between heat source and working fluid." Thermal Science 14, no. 1 (2010): 1–9. http://dx.doi.org/10.2298/tsci1001001l.

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Optimal temperature profile for maximum work output of multistage continuous Carnot heat engine system with two reservoirs of finite thermal capacity is determined. The heat transfer between heat source and the working fluid obeys radiation law and the heat transfer between heat sink and the working fluid obeys linear law. The solution is obtained by using optimal control theory and pseudo-Newtonian heat transfer model. It is shown that the temperature of driven fluid monotonically decreases with respect to flow velocity and process duration. The maximum work is obtained. The obtained results

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Gnybida, M., Ch Rümpler, and V. R. T. Narayanan. "Optimal Band Selection for the Calculation of Planck Mean Absorption Coefficients." PLASMA PHYSICS AND TECHNOLOGY 4, no. 1 (2017): 70–73. http://dx.doi.org/10.14311/ppt.2017.1.70.

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Radiative heat transfer is a major heat loss mechanism in thermal plasmas generated during arc flashes/faults in switchgear applications or during high current interruption in low voltage circuit breakers. A common way to calculate the radiation balance is by means of approximate non-gray radiation models like P1 or discrete ordinates (DOM), where the frequency dependent absorption and emission are described in a number of frequency intervals (bands) using a constant absorption coefficient in each band. Current work is focused on finding the optimal number of bands as well as band interval bou

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VIJAYAKUMAR, V. "Absolute temperature directly from plank’s profile: A simulation." Journal of Ultra Scientist of Physical Sciences Section A 33, no. 2 (2021): 9–19. http://dx.doi.org/10.22147/jusps-a/330201.

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The measured thermal radiation from a material surface will, in general, have a wave length (\lambda) dependent scale-factor to the Planck profile (PT) from the contributions of the emissivity (Є\lambda) of the surface, the response function (A\lambda) of the measurement setup, and the emission via non-Plank processes. For obtaining the absolute temperature from such a profile, a procedure that take care of these dependencies and which relay on a temperature grid searchis proposed. In the procedure, the deviation between the Plank profiles at various temperatures and the measured spectrum that

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Song, Hongqing, Jie Zhang, Yueqiang Sun, et al. "Theoretical Study on Thermal Release of Helium-3 in Lunar Ilmenite." Minerals 11, no. 3 (2021): 319. http://dx.doi.org/10.3390/min11030319.

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The in-situ utilization of lunar helium-3 resource is crucial to manned lunar landings and lunar base construction. Ilmenite was selected as the representative mineral which preserves most of the helium-3 in lunar soil. The implantation of helium-3 ions into ilmenite was simulated to figure out the concentration profile of helium-3 trapped in lunar ilmenite. Based on the obtained concentration profile, the thermal release model for molecular dynamics was established to investigate the diffusion and release of helium-3 in ilmenite. The optimal heating temperature, the diffusion coefficient, and

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M. Luqman Saiful Fikri, M. Untung Zaenal Priyadi, Yasya khalif perdana saleh, et al. "Pengaruh Waktu Injeksi Material pada Brush Handle menggunakan Software Autodesk Moldflow." Jurnal Permadi : Perancangan, Manufaktur, Material dan Energi 6, no. 01 (2024): 80–91. http://dx.doi.org/10.52005/permadi.v6i01.143.

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Optimising injection moulding parameters to reduce defects such as bubbles, warping and shrinkage is a key issue in the simulation of brush handle products using Moldflow software. This approach allows to examine the projected filling behaviour in detail. In this research, the main focus is to optimise process parameters such as fill time against injection pressure, and flow rate to produce high quality brush handle products from HDPE material. This study aims to determine the optimisation of the brush handle product process from HDPE material with Moldflow software. The results show that the

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Demin, Dmitriy. "Experimental and industrial method of synthesis of optimal control of the temperature region of cupola melting." EUREKA: Physics and Engineering, no. 2 (March 6, 2023): 68–82. http://dx.doi.org/10.21303/2461-4262.2023.002804.

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The object of research is the temperature regime of melting in a cupola. The synthesis of optimal control of such an object is associated with the presence of a problem consisting in the complexity of its mathematical description and the absence of procedures that allow one to obtain optimal control laws. These problems are due to the presence of links with a pure delay, non-additive random drift, and difficulties in controlling the process parameters, in particular, accurately determining the temperature profile along the horizons and the periphery of the working space of the cupola. Th

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Demin, Dmitriy. "Experimental and industrial method of synthesis of optimal control of the temperature region of cupola melting." EUREKA: Physics and Engineering, no. 2 (March 6, 2023): 68–82. https://doi.org/10.21303/2461-4262.2023.002804.

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The object of research is the temperature regime of melting in a cupola. The synthesis of optimal control of such an object is associated with the presence of a problem consisting in the complexity of its mathematical description and the absence of procedures that allow one to obtain optimal control laws. These problems are due to the presence of links with a pure delay, non-additive random drift, and difficulties in controlling the process parameters, in particular, accurately determining the temperature profile along the horizons and the periphery of the working space of the cupola. The prop

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Di Barba, Paolo, Arash Ghafoorinejad, Maria Evelina Mognaschi, Fabrizio Dughiero, Michele Forzan, and Elisabetta Sieni. "Optimal Multi-Physics Synthesis of a Dual-Frequency Power Inductor Using Deep Neural Networks and Gaussian Process Regression." Algorithms 18, no. 1 (2025): 10. https://doi.org/10.3390/a18010010.

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In this paper, a multi-physics case study belonging to the class of induction heating problem is considered. Finite Element Analysis is used to evaluate the temperature along a line on a graphite disk heated by two power inductors. In order to build a surrogate field model of the device, i.e., to compute the temperature profile on the disk, given the amplitudes and frequencies of the supply currents, three methods have been used (Support Vector Regression (SVR), fully connected Neural Network (NN) and Gaussian Process Regression (GPR)). In turn, to solve the inverse problem, i.e., to identify

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Antipina, Evgenia Viktorovna, Svetlana Anatolievna Mustafina, and Andrey Fedorovich Antipin. "Numerical Algorithm for Searching the Optimal Temperature Regime of a Chemical Process on the Basis of Evolutionary Calculations." Differential Equations and Control Processes, no. 2 (2024): 35–45. https://doi.org/10.21638/11701/spbu35.2024.203.

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An algorithm for calculating the optimal temperature profile of a chemical process is developed. The formulation of the problem of optimal control of the chemical process is given. The temperature of the reaction mixture is considered as a control, the values of which are subject to constraints. A finite-dimensional approximating problem is formulated, for the solution of which an algorithm based on the method of differential evolution is constructed. The work of the algorithm is tested on an industrially significant process of phthalic anhydride production. The optimal temperature regimes at

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Vasilkov, Alexander, Eun-Su Yang, Sergey Marchenko, et al. "A cloud algorithm based on the O<sub>2</sub>-O<sub>2</sub> 477 nm absorption band featuring an advanced spectral fitting method and the use of surface geometry-dependent Lambertian-equivalent reflectivity." Atmospheric Measurement Techniques 11, no. 7 (2018): 4093–107. http://dx.doi.org/10.5194/amt-11-4093-2018.

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Abstract. We discuss a new cloud algorithm that retrieves an effective cloud pressure, also known as cloud optical centroid pressure (OCP), from oxygen dimer (O2-O2) absorption at 477 nm after determining an effective cloud fraction (ECF) at 466 nm, a wavelength not significantly affected by trace-gas absorption and rotational Raman scattering. The retrieved cloud products are intended for use as inputs to the operational nitrogen dioxide (NO2) retrieval algorithm for the Ozone Monitoring Instrument (OMI) flying on the Aura satellite. The cloud algorithm uses temperature-dependent O2-O2 cross

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Li, Chao, Hermann Held, Sascha Hokamp, and Jochem Marotzke. "Optimal temperature overshoot profile found by limiting global sea level rise as a lower-cost climate target." Science Advances 6, no. 2 (2020): eaaw9490. http://dx.doi.org/10.1126/sciadv.aaw9490.

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The global temperature targets of limiting surface warming to below 2.0°C or even to 1.5°C have been widely accepted through the Paris Agreement. However, limiting surface warming has previously been proven insufficient to control sea level rise (SLR). Here, we explore a sea level target that is closer to coastal planning and associated adaptation measures than a temperature target. We find that a sea level target provides an optimal temperature overshoot profile through a physical constraint of SLR. The allowable temperature overshoot leads to lower mitigation costs and more effective long-te

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Camaraza-medina, Yanan, Gabriel Roque-Villalonga, Abel Hernandez-guerrero, and Jose luis Luviano ortiz. "OPTIMAL PROFILE FOR A FIN OF CONSTANT CROSS SECTION WITH MODELATION OF THE THERMOPHYSICAL PROPERTIES." Latin American Applied Research - An international journal 54, no. 2 (2024): 293–98. http://dx.doi.org/10.52292/j.laar.2024.936.

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The dependence of the temperature and composition on thermal conductivity of steel, and its influence in the optimal profile for a fin of constant cross section to be used in air cooled condenser is presented. In Air Cooled Condensers (ACC), air is used as refrigerant, which forces the need for fins to improve the heat transfer process leading to appreciable increments in the costs of the installation. Therefore, developing better fins profile will allow optimizing the operation, maximizing the heat transfer and minimizing the manufacturing cost of the fins. To this objective, in the present p

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Zhang, Yun Ji, Yong Su, Ran Wei, San Zhou Yi, and Bin Wan. "Portholes Die Extrusion Process Numerical Simulation and Optimal Die Design." Advanced Materials Research 1065-1069 (December 2014): 1821–24. http://dx.doi.org/10.4028/www.scientific.net/amr.1065-1069.1821.

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In the paper, extrusion process of hollow aluminum profile was simulated using DEFORM-3D; the metal flow velocity of setting baffle-blocks before and after is compared. Three kinds of welding chamber depth of 10 mm, 13 mm, 15 mm were used respectively for extrusion process simulation and got die load varying pattern. Also the strain field and temperature field were analyzed. The results show that the metal flow velocity was more well-distributed by setting A、B、C、D baffle-blocks. When the weld chamber depth is 13 mm, the die load is the smallest. By analyzing the strain field and temperature fi

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Hristov, Jordan. "A note on the integral approach to non-linear heat conduction with Jeffrey’s fading memory." Thermal Science 17, no. 3 (2013): 733–37. http://dx.doi.org/10.2298/tsci120826076h.

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Integral approach by using approximate profile is successfully applied to heat conduction equation with fading memory expressed by a Jeffrey?s kernel. The solution is straightforward and the final form of the approximate temperature profile clearly delineates the ?viscous effects? corresponding to the classical Fourier law and the relaxation (fading memory). The optimal exponent of the approximate solution is discussed in case of Dirichlet boundary condition.

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Han, In-Su, Chang-Bock Chung, and Jae-Woo Lee. "Optimal Curing of Rubber Compounds with Reversion Type Cure Behavior." Rubber Chemistry and Technology 73, no. 1 (2000): 101–13. http://dx.doi.org/10.5254/1.3547572.

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Abstract A systematic procedure is presented for the optimal curing of rubber compounds showing reversion type cure behavior. First, a cure kinetic model is proposed that can explain the reversion and the induction period commonly found in the vulcanization of rubber compounds. The state of cure behavior is analyzed as a function of cure temperature and time on the basis of the derived kinetic model. Then, the problem of determining optimal cure temperature profile for a rubber slab in a simple cure press is addressed and formulated into a constrained dynamic optimization problem. Finally, num

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Rokne, J., B. M. Singh, R. S. Dhaliwal, and J. Vrbik. "The axisymmetric Boussinesq-type problem for a half-space under optimal heating of arbitrary profile." International Journal of Mathematics and Mathematical Sciences 2004, no. 40 (2004): 2123–31. http://dx.doi.org/10.1155/s0161171204308227.

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A solution of the axisymmetric Boussinesq-type problem is derived for transient thermal stresses in a half-space under heating by using the Laplace and Hankel transforms. An analytical method is developed to predict the temperature field that satisfies the prescribed mechanical conditions. Several simple shapes of punches of arbitrary profile are considered and an expression for the total load is derived to achieve penetration. The numerical results for the temperature and the total load on the punch are shown graphically.

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Zubair, S. M., A. Z. Al-Garni, and J. S. Nizami. "The optimal dimensions of circular fins with variable profile and temperature-dependent thermal conductivity." International Journal of Heat and Mass Transfer 39, no. 16 (1996): 3431–39. http://dx.doi.org/10.1016/0017-9310(96)00011-7.

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Yadav, Vivek, Radhakant Padhi, and S. N. Balakrishnan. "Robust/Optimal Temperature Profile Control of a High-Speed Aerospace Vehicle Using Neural Networks." IEEE Transactions on Neural Networks 18, no. 4 (2007): 1115–28. http://dx.doi.org/10.1109/tnn.2007.899229.

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Mutturi, Sarma, and Gunnar Lidén. "Model-based estimation of optimal temperature profile during simultaneous saccharification and fermentation ofArundo donax." Biotechnology and Bioengineering 111, no. 5 (2013): 866–75. http://dx.doi.org/10.1002/bit.25165.

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E., Etike, Özkan G., and Hapoglu H. "Temperature control in polystyrene polymerization reactor by using neural network model predictive algorithm." Journal of Indian Chemical Society Vol. 97, No. 10c, Oct 2020 (2020): 2031–36. https://doi.org/10.5281/zenodo.5970486.

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Department of Chemical Engineering, Engineering Faculty, Ankara University, 06500, Ankara, Turkey <em>E-mail</em>: gozkan@eng.ankara.edu.tr <em>Manuscript received online 20 October 2020, revised and accepted 31 October 2020</em> Theoretical and experimental temperature control of styrene polymerization in a batch process is searched. In MATLAB/Simulink, heat signal is introduced to the model and reactor temperature change is recorded. An artificial neural network (NN) model was built with output changes of the disturbing process in the face of the pseudo-random binary sequence (PRBS) heat inp

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Park, Cheolmin, Sungyoon Chung, Nagarajan Balaji, et al. "Analysis of Contact Reaction Phenomenon between Aluminum–Silver and p+ Diffused Layer for n-Type c-Si Solar Cell Applications." Energies 13, no. 17 (2020): 4537. http://dx.doi.org/10.3390/en13174537.

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In this study, the contact mechanism between Ag–Al and Si and the change in contact resistance (Rc) were analyzed by varying the firing profile. The front electrode of an n-type c-Si solar cell was formed through a screen-printing process using Ag–Al paste. Rc was measured by varying the belt speed and peak temperature of the fast-firing furnace. Rc value of 6.98 mΩ-cm−2 was obtained for an optimal fast-firing profile with 865 °C peak temperature and 110 inches per min belt speed. The contact phenomenon and the influence of impurities between the front-electrode–Si interface and firing conditi

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Foschi, Martina, Lorenzo Marsili, Ilaria Luciani, et al. "Optimization of the Cold Water Extraction Method for High-Value Bioactive Compounds from Chamomile (Matricaria chamomilla L.) Flower Heads Through Chemometrics." Molecules 29, no. 20 (2024): 4925. http://dx.doi.org/10.3390/molecules29204925.

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This study focused on optimizing a cold water extraction method to obtain bioactive compounds from chamomile (Matricaria chamomilla L.), addressing increasing consumer demand for natural products and nutraceuticals. A full-factorial design was employed to evaluate the effects of temperature, time, and chamomile amount on the polyphenolic profile of extracts. The samples were characterized by HPLC-DAD and UV-Vis coupled with chemometrics; the analysis showed that extraction time negatively affected extract quality, as did the interaction between time and temperature. In addition, a significant

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Smirnova, Margarita, Valeria Tafintseva, Achim Kohler, Uladzislau Miamin, and Volha Shapaval. "Temperature- and Nutrients-Induced Phenotypic Changes of Antarctic Green Snow Bacteria Probed by High-Throughput FTIR Spectroscopy." Biology 11, no. 6 (2022): 890. http://dx.doi.org/10.3390/biology11060890.

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Temperature fluctuations and nutrient composition are the main parameters influencing green snow microbiome. In this study we investigated the influence of temperature and nutrient conditions on the growth and cellular chemical profile of bacteria isolated from green snow. Chemical profiling of the green snow bacteria was done by high-throughput FTIR spectroscopy combined with multivariate data analysis. We showed that temperature and nutrients fluctuations strongly affect growth ability and chemical profile of the green snow bacteria. The size of colonies for green snow bacteria grown at high

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Agusto, Folashade B. "Optimal Control and Temperature Variations of Malaria Transmission Dynamics." Complexity 2020 (November 28, 2020): 1–32. http://dx.doi.org/10.1155/2020/5056432.

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Malaria is a Plasmodium parasitic disease transmitted by infected female Anopheles mosquitoes. Climatic factors, such as temperature, humidity, rainfall, and wind, have significant effects on the incidence of most vector-borne diseases, including malaria. The mosquito behavior, life cycle, and overall fitness are affected by these climatic factors. This paper presents the results obtained from investigating the optimal control strategies for malaria in the presence of temperature variation using a temperature-dependent malaria model. The study further identified the temperature ranges in four

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Yang, Tingsong, Jiayang Liu, Xinyi Ren, Yingwei Wang, and Fengshan Du. "Research on roll profile electromagnetic control ability in optimal electromagnetic stick parameter." Metallurgical Research & Technology 118, no. 3 (2021): 305. http://dx.doi.org/10.1051/metal/2021031.

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Roll profile electromagnetic control technology (RPECT) is a new strip flatness control technology. As the control element, electromagnetic sticks have a great effect on the control ability of RPECT. To improve control ability and extend service life, effective control ratio of electromagnetic stick is presented in this paper. The ratio is designed based on the structure character of electromagnetic stick, and can be used to evaluate the key parameter of electromagnetic stick. Based on the coupled FEM, the heat flux density of the roll inner hole and the temperature distribution of electromagn

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Mahagammulla Gamage, Shayamila, Robert J. Sica, Giovanni Martucci, and Alexander Haefele. "Retrieval of temperature from a multiple channel pure rotational Raman backscatter lidar using an optimal estimation method." Atmospheric Measurement Techniques 12, no. 11 (2019): 5801–16. http://dx.doi.org/10.5194/amt-12-5801-2019.

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Abstract. We present a new method for retrieving temperature from pure rotational Raman (PRR) lidar measurements. Our optimal estimation method (OEM) used in this study uses the full physics of PRR scattering and does not require any assumption of the form for a calibration function nor does it require fitting of calibration factors over a large range of temperatures. The only calibration required is the estimation of the ratio of the lidar constants of the two PRR channels (coupling constant) that can be evaluated at a single or multiple height bins using a simple analytic expression. The unc

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Yang, Weisong, Shukun Wang, Wei Song, and Lili Ren. "Optimal Design of Cash Circulation Module Gear for Financial Machinery Based on Tribology." Mathematical Problems in Engineering 2020 (April 28, 2020): 1–9. http://dx.doi.org/10.1155/2020/5415416.

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To achieve the characteristics of the cash cycle module of a financial machine, such as a compact transmission mechanism, high transmission accuracy, large torque, high rotation speed, high service temperature, no lubrication, and long service life, this work presented a solution to optimize the tooth shape of a thermoplastic gear and the design of a thermoplastic gear with a limit pressure angle of 35°. Through the modeling and simulation analysis of the factors affecting the life of the gear, it was found that the gear with the improved tooth profile was superior to the control gear without

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He, Yang, Zheng Sheng, Yanwei Zhu, and Mingyuan He. "Adaptive Variational Mode Decomposition Method for Eliminating Instrument Noise in Turbulence Detection." Journal of Atmospheric and Oceanic Technology 38, no. 1 (2021): 31–46. http://dx.doi.org/10.1175/jtech-d-20-0004.1.

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AbstractNoise removal is a key issue in the retrieval of turbulence from meteorological radiosonde data using the method proposed by Thorpe. Only by reducing as much as possible the influence of noise in the potential temperature fluctuations can the retrieval results reflect the turbulence characteristics of the real atmosphere. In this paper, an adaptive variational mode decomposition (VMD) method is proposed that is used to remove noise fluctuations from the potential temperature profile, and particle swarm optimization and mutual information are used to optimize the preset VMD parameters.

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Miao, Cong, and Hai Bo Yang. "Analysis on the Optimal Process of Aluminum Profile Extrusion with Two-Hole Dies." Advanced Materials Research 1120-1121 (July 2015): 1246–50. http://dx.doi.org/10.4028/www.scientific.net/amr.1120-1121.1246.

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In this paper, using orthogonal design method, considering the extrusion temperature, extrusion speed, extrusion billet, die structure, which will affect the uniformity of the metal flow[1]. Using the outlet velocity average standard deviation, the average pressure and the mean maximum equivalent stress as the criterion, select the optimal process scheme of two-hole dies aluminum profile extrusion. And the optimal scheme is validated by simulation and, the results show that the extrusion velocity is uniform, no forming defects, it can stably forming. At the same time, the experiment provides t

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