Добірка наукової літератури з теми "Heating modes"

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Статті в журналах з теми "Heating modes"

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OZAWA, Takeo. "Heating Modes in Thermal Analysis." Journal of the Mass Spectrometry Society of Japan 47, no. 6 (1999): 349–53. http://dx.doi.org/10.5702/massspec.47.349.

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Fuchs, Željka, Saska Gjorgjievska, and David J. Raymond. "Effects of Varying the Shape of the Convective Heating Profile on Convectively Coupled Gravity Waves and Moisture Modes." Journal of the Atmospheric Sciences 69, no. 8 (August 1, 2012): 2505–19. http://dx.doi.org/10.1175/jas-d-11-0308.1.

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Abstract The analytical model of convectively coupled gravity waves and moisture modes of Raymond and Fuchs is extended to the case of top-heavy and bottom-heavy convective heating profiles. Top-heavy heating profiles favor gravity waves, while bottom-heavy profiles support moisture modes. The latter behavior results from the sensitivity of moisture modes to the gross moist stability, which is more negative with bottom-heavy heating. A numerical implementation of the analytical model allows calculations in the two-dimensional nonrotating case as well as on a three-dimensional equatorial beta plane. In the two-dimensional case the analytical and numerical models are mostly in agreement, although minor discrepancies occur. In three dimensions the gravity modes become equatorial Kelvin waves whereas the moisture modes are more complex and require further investigation.
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Svidzinski, V. A., and D. G. Swanson. "Fundamental heating with stellarator wave modes." Physics of Plasmas 5, no. 2 (February 1998): 486–98. http://dx.doi.org/10.1063/1.872731.

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Bandura, V., B. Kotov, and R. Kalinichenko. "Mathematical models of operating modes of extractors with microwave heating." Energy and automation 2018, no. 5 (October 23, 2018): 183–94. http://dx.doi.org/10.31548/energiya2018.05.183.

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Bolonina, Alona, Genadijs Bolonins, and Dagnija Blumberga. "Analysis of the Impact of Decreasing District Heating Supply Temperature on Combined Heat and Power Plant Operation." Environmental and Climate Technologies 14, no. 1 (December 1, 2014): 41–46. http://dx.doi.org/10.1515/rtuect-2014-0013.

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Abstract District heating systems are widely used to supply heat to different groups of heat consumers. The district heating system offers great opportunities for combined heat and power production. In this paper decreasing district heating supply temperature is analysed in the context of combined heat and power plant operation. A mathematical model of a CHP plant is developed using both empirical and theoretical equations. The model is used for analysis of modified CHP plant operation modes with reduced district heating supply temperature. Conclusions on the benefits of new operation modes are introduced.
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Gasparov, L. "Laser-heating and phonon modes in YBa2Cu3Ox." Radiation Effects and Defects in Solids 137, no. 1-4 (December 1995): 331–35. http://dx.doi.org/10.1080/10420159508222746.

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Osintsev, K. V., Iu S. Prikhodko, V. S. Shichkina, D. A. Akhmetshin, and A. N. Shishkov. "Research of different heating modes of greenhouses." IOP Conference Series: Earth and Environmental Science 723, no. 5 (March 1, 2021): 052007. http://dx.doi.org/10.1088/1755-1315/723/5/052007.

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Sheryazov, S. K., Y. A. Nikishin, M. V. Schelybaev, A. S. Chigak, and A. Kh Doskenov. "Modeling of solar batteries operating modes." IOP Conference Series: Earth and Environmental Science 949, no. 1 (January 1, 2022): 012088. http://dx.doi.org/10.1088/1755-1315/949/1/012088.

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Abstract For the solar power engineering development it is essential to determine the photovoltaic plant energy indicators by modeling the solar batteries operating modes. To obtain an adequate solar battery model, we need to determine its main parameters on the basis of an equivalent electric circuit. Modeling the solar battery operating mode, it is necessary to take into account the influence of its heating temperature. We propose a combined research algorithm in MS Excel with the installed add-on “Search for a solution” for modeling of solar battery operating mode. We have given the results of modeling the solar battery operating mode where the calculated solar battery maximum power including its heating, satisfactory matches with the experimental data. The research shows that excluding the solar battery heating, the maximum power value and, accordingly, its efficiency are overestimated in comparison with the experimental data. Moreover, the results of modeling excluding its heating do not provide the required accuracy and the modeling mistakes are more than 30% especially at relatively high values of solar radiation. The given model allows to determine the equivalent circuit parameters and determine the solar battery maximum power depending on the considered factors of its heating temperature and the incoming solar energy.
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Ma, Kun Ru, Yi Jun Wang, and Cui Xia Wei. "Economic Evaluation and Decision Research on Urban Heating Mode in North." Applied Mechanics and Materials 94-96 (September 2011): 613–17. http://dx.doi.org/10.4028/www.scientific.net/amm.94-96.613.

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Based on urban heating situation in north, economic evaluation for different heating modes was analyzed in the presented work. Firstly through collecting and analyzing the urban heating system data, initial investment and operation cost were deduced for several main heating modes. And only fuel cost was taken into account in operation fuel cost for simplicity. Secondly economic evaluation for whole energy heating modes was done and compared. Finally the best heating mode was found which can be a reference for decision on urban heating mode in north.
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Bogatova, M. Zh, and S. I. Chibizova. "Statistical modeling of temperature operating modes of heating furnaces for hot strip mills." Izvestiya. Ferrous Metallurgy 64, no. 5 (June 3, 2021): 374–81. http://dx.doi.org/10.17073/0368-0797-2021-5-374-381.

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The article provides a method of mathematical modeling to improve temperature operating modes of heating furnaces for hot strip mills. The object of the research is the thermal operation of a continuous walking beam furnace for heating slabs before rolling. The subject of the research is statistical modeling of metal heating in furnaces of this type. The creation of a statistical model consists of factors selection, construction of regression model, correlation analysis and assessment of the variables significance, adjustment of factors and obtaining regression equations. The main part of the research refers to a statistical model based on a comprehensive analysis. This model is based on the results of 15 automated industrial experiments on Russian heating furnaces of hot strip mills and describes the heating process in walking-beam furnace with acceptable accuracy. The adaptation of the statistical model and error calculation has been carried out. The article contains graphs comparing real temperatures and temperatures calculated on the basis of mathematical and statistical models for one of the experiments. The main conclusions are formulated based on the results of the research done. For the first time in metallurgical practice, a statistical model has been developed that describes the process of metal heating in a five-zone continuous furnace with eight heating subzones. Since the regression function is defined, interpreted and justified, and the assessment of the accuracy of the regression analysis meets the requirements, it can be assumed that the model and predicted values have sufficient reliability.
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Дисертації з теми "Heating modes"

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McGregor, Duncan Ekundayo. "Electron cyclotron heating and current drive using the electron Bernstein modes." Thesis, St Andrews, 2007. http://hdl.handle.net/10023/212.

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Sinclair, Keith Ian. "Focussed microwave heating using degenerate and non-degenerate cavity modes." Thesis, Heriot-Watt University, 2009. http://hdl.handle.net/10399/2288.

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Microwave ovens have long been recognised as a means of reducing heating times versus conventional convection ovens. The principle design feature is based on the procurement of uniform heating within any material placed in the interior of the microwave cavity oven. Materials within the oven are subjected to a degree of heating dependent on their electromagnetic properties. For many applications, it is desirable to maintain control over the distribution of heat deposition. This can be achieved through focussing of the electromagnetic field within the cavity. Two new mechanisms are identified where an increased level of control over the heating pattern and its location could be advantageous. The research described within this thesis aims to improve heating selectivity in microwave cavity ovens by the identification and enhanced control of modal patterns in degenerate and non-degenerate resonators. This is achieved through the analysis of two novel oven arrangements. The first of these addresses the requirement for highly selective heating in hyperthermia treatment. It is demonstrated that proper selection of a forced degenerate mode set can lead to an enhancement in field focussing within the centre of the cavity through constructive and destructive interference of the fields in each mode pattern. It is found that a highly selective peak of field can be produced within the centre of a large cylindrical waveguide cavity for the purpose of hyperthermia treatment. The peak is produced using a quasi degenerate mode set excited at approximately 1:3GHz. The second example presents an open oven design for the curing of epoxy and encapsulant materials within the micro-electronics packaging industry. It is intended that the oven be placed on the arm of a precision alignment machine such that the curing and placement stages of production be combined, suggesting an increase in production efficiency. Two excitation schemes are presented based on the coupling of quasi degenerate mode sets through a wide frequency range and the excitation of a single high order mode enabling uniform field distribution for heating of encapsulant material and increased selective heating through spatial alignment of modal field peaks, respectively. Experimental results demonstrate the viability of the open-ended microwave oven for curing. Both proposed excitation methods within the open oven design are investigated with results presented. Optimisation of the heating fields is achieved through inclusion of lowloss materials within the oven. Curing of an encapsulant material covering a commercial chip package is achieved and the overall design validated.
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Клімук, Олександр Олександрович. "Оптимізація показників надійності, що визначаються тепловими режимами в блоці радіоелектронної апаратури". Master's thesis, Київ, 2018. https://ela.kpi.ua/handle/123456789/23109.

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Структура й обсяг дипломної роботи Магістерська дисертація: 101 c., 23 рис., 28 табл., 4 додатка, 13 джерел. Актуальність теми. В процесі розробки конструкцій радіоелектронної апаратури постійно виникає необхідність розрахунку і аналізу тепловиділення, актуальним є оптимальні теплові параметри блоку РЕА. Мета дослідження. Метою роботи є оптимізація показників надійності, що визначаються тепловими режимами в блоці РЕА. Для реалізації поставленої мети були сформульовані такі завдання дослідження, що визначили логіку дослідження та його структуру: дослідити методи розрахунку температур в блоках РЕА; створити математичну модель теплообміну в блоці РЕА та за допомогою сучасної мови програмування розробити програмний продукт; Об’єкт дослідження — температура комірок блоку РЕА. Предмет дослідження — модель теплообміну в блоці РЕА Методи дослідження: При вирішенні задач роботи застосовувались такі методи: математичне моделювання теплових процесів в РЕА, комп’ютерне моделювання в середовище Mathcad, комп’ютерне моделювання за допомогою мови програмування JavaScript. Наукова новизна одержаних результатів. Наукова новизна полягає в розробці методики оптимізації розрахунку усереднених температур чарунок у блоці РЕА, створена програма, в порівняні з іншими САПР, дозволяє зменшити час розробки РЕА. Практичне значення одержаних результатів роботи полягає в створенні програми, що може бути складовою у САПР блока РЕА з оптимальною компоновкою.
Structure of the diploma Master dissertation: 101 p., 23 fig., 28 tabl. 4 aplication, 13 sources. Relevance of the topic. In the process of developing the design of radio-electronic equipment, there is a constant need for calculating and analyzing heat dissipation, the optimal thermal parameters of the unit of the radio electronic device are relevant The aim of the study The aim of the work is to optimize the reliability indicators determined by the thermal modes in the block of radio-electronic equipment. In order to achieve this goal, the following research objectives were formulated, which determined the logic of the research and its structure: to study the methods of calculating the temperatures in the blocks of the REA. Object of research: temperature of cells of the block of radio electronic equipment. Subject of research: Heat transfer model in the radio electronic equipment. Research methods: In solving problems of work, the following methods were used: the development of a mathematical model in the environment of Mathcad; development of a software product in the programming language JavaScript. Scientific novelty of the obtained results. The most significant scientific results of the master's thesis: is the development of a program for optimizing the calculation of the average temperatures of cells in the radio electronic equipment. block, which allows to reduce the time of development of the radio electronic equipment. in other CAD. The practical value of the results obtained is to create a program that can be part of the CAD of the REA unit with the optimal layout.
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Капітанюк, Микола Петрович. "Тепловий режим структурно-конструктивного модуля другого рівня та оптимізація розміщення чарунок для підвищення надійності". Master's thesis, Київ, 2018. https://ela.kpi.ua/handle/123456789/25847.

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Актуальність теми. В процесі розробки конструкцій радіоелектронної апаратури постійно виникає необхідність розрахунку і аналізу тепловиділення, актуальним є оптимальні теплові параметри блоку РЕА. Мета дослідження. Метою роботи є оптимізація розміщення чарунок для підвищення надійності блоку. Для реалізації поставленої мети були сформульовані такі завдання дослідження, що визначили логіку дослідження та його структуру: дослідити методи розрахунку температур в блоках РЕА; створити алгоритм оптимізації розміщення чарунок в блоці РЕА; Об’єкт дослідження — температурне поле блоку РЕА. Предмет дослідження — вплив розміщення чарунок на температурне поле блоку. Методи дослідження: При вирішенні задач роботи застосовувались наступні методи: моделювання комп’ютерне моделювання теплових процесів в системі автоматизованого проектування SolidWorks Flow Simulation, перевірка роботи алгоритму за допомогою SolidWorks. Наукова новизна одержаних результатів. Наукова новизна полягає в розробці методики оптимізації температури блоку РЕА, розроблений алгоритм, що дозволяє підвищити надійність блоку РЕА. Практичне значення одержаних результатів роботи полягає в створенні алгоритму оптимізації розміщення чарунок, що може використовуватись для розробки більш надійних конструкцій РЕА.
Relevance of the topic. In the process of developing the design of radio-electronic equipment, there is a constant need for calculating and analyzing heat dissipation, the optimal thermal parameters of the unit of the radio electronic device are relevant The aim of the study The purpose of the work is to optimize the placement of the cells for increasing the reliability of the block. To accomplish this goal, the following research objectives were formulated, which determined the logic of the research and its structure: investigate the methods of calculating the temperature in the blocks of the REA; to create algorithm of optimization of placement of cells in the REA block. Object of research: temperature of the block of radio electronic equipment. Subject of research: the influence of the placement of cells on the temperature field of the block. Research methods: The following methods were used to solve problems: simulation of computer simulation of thermal processes in the system of automated design of SolidWorks Flow Simulation, validation of the algorithm using SolidWorks. Scientific novelty of the obtained results. The scientific novelty is to develop a method for optimizing the temperature of the REA block, and an algorithm is developed that can increase the reliability of the REA block. The practical value of the results obtained is to create an optimization algorithm for placement of cells, which can be used to develop more reliable designs of REA.
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Song, Jingjing. "Restructured district heating price models and their impact on district heating users." Licentiate thesis, Mälardalens högskola, Framtidens energi, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:mdh:diva-34779.

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District heating (DH) is considered to be an efficient, environmentally friendly and cost-effective method for providing heat to buildings, since electricity is usually co-generated in biomass fuelled combined heat and power (CHP) plants. This gives it an important role in the mitigation of climate change. Swedish district heating companies are currently facing multiple challenges, and are in urgent need of new price models to increase transparency and maintain their competitiveness. This thesis describes a survey carried out to understand the structure of the present price models and subsequently proposes and compares two restructured price models with the most commonly used price model. This work also investigates the impact of restructured price models on users who would encounter a significant cost increase if the restructured price models were to be introduced. The district heating costs of different price models are compared with three alternative technical solutions. The results show that price models based on the consumption pattern of users can reflect district heating companies’ cost structure. Meanwhile, adopting a pricing strategy based on users’ consumption patterns increased the incentives to reduce the peak load. Consequently, users with high load factor (flat consecutive load curve) were able to reduce costs whereas users with low load factor (steep consecutive load curve) faced possible cost increases, when the load demand cost was changed to daily or hourly peak demand based methods. Further, the most economically preferable option for the invested district heating user was to combine district heating with direct electrical heating or with a ground source heat pump.
Fjärrvärme anses som ett effektivt, miljövänligt och kostnadseffektivt sätt för att leverera värme eftersom kraftvärme blir vanligare i fjärrvärmesystem, där elektricitet produceras tillsammans med värme. Den spelar en viktig roll i att begränsa klimatförändringen. Svenska fjärrvärme företag står inför flera utmaningar nu för tiden, och är i akut behov av nya prismodeller för att öka öppenheten och behålla konkurrenskraften. I denna avhandling, genomfördes en undersökning för att ta reda på strukturen av de nuvarande prismodellerna. Därefter föreslogs två omstrukturerade prismodeller, vars påverkan på kostnaden av fjärrvärme konsument analyserades jämför med den nuvarande modellen. Detta arbete undersökte också effekten av omstrukturerade prismodeller på konsument som skulle drabbas på signifikant kostnadsökning i samband med införande prismodeller. Kostnaden av fjärrvärme under olika prismodeller har också jämförts med tre olika tekniska lösningar. Resultatet visade att prismodeller som baserar sig på konsuments förbrukningsprofil kunde återspegla fjärrvärme företagens kostnadsstruktur; Samtidigt medförde prissättningsstrategi baserad på användarens förbrukningsprofil högre incitament för att minska spetseffekt. Följaktligen kommer att konsumenter med stabila konsumtionsprofiler att spara kostnader, medan konsumenter med spetsiga konsumtionsprofiler kommer att drabbas av kostnadsökning. Och för den investerade fjärrvärme konsument, den ekonomiska bättre val var att kombinera fjärrvärme med elpanna eller bergvärmepump.
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Jones, Joshua Levi. "Development of an advanced stem heating model /." Diss., CLICK HERE for online access, 2003. http://contentdm.lib.byu.edu/ETD/image/etd231.pdf.

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Jones, Joshua L. "Development of an Advanced Stem Heating Model." BYU ScholarsArchive, 2003. https://scholarsarchive.byu.edu/etd/88.

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A new one-dimensional heat conduction model for predicting stem heating during fires is presented. The model makes use of moisture and temperature dependent thermal properties for bark and wood. Also, the thermal aspects of the processes of bark swelling, desiccation, and devolatilization are treated in an approximate fashion. Simulation with a surface flux boundary condition requires that these phenomena be accounted for. Previous models have used temperature-time boundary conditions, which prevents them from being directly coupled to fire behavior models. This model uses a flux-time profile for its boundary condition, making it possible to eventually couple it to fire behavior models. Cambial mortality predictions are made through the incorporation of a cell mortality model. The model was developed and validated with laboratory experiments on four species.
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Bowness, Ruth. "Current sheets in the solar corona : formation, fragmentation and heating." Thesis, University of St Andrews, 2011. http://hdl.handle.net/10023/2081.

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In this thesis we investigate current sheets in the solar corona. The well known 1D model for the tearing mode instability is presented, before progressing to 2D where we introduce a non-uniform resistivity. The effect this has on growth rates is investigated and we find that the inclusion of the non-uniform term in η cause a decrease in the growth rate of the dominant mode. Analytical approximations and numerical simulations are then used to model current sheet formation by considering two distinct experiments. First, a magnetic field is sheared in two directions, perpendicular to each other. A twisted current layer is formed and we find that as we increase grid resolution, the maximum current increases, the width of the current layer decreases and the total current in the layer is approximately constant. This, together with the residual Lorentz force calculated, suggests that a current sheet is trying to form. The current layer then starts to fragment. By considering the parallel electric field and calculating the perpendicular vorticity, we find evidence of reconnection. The resulting temperatures easily reach the required coronal values. The second set of simulations carried out model an initially straight magnetic field which is stressed by elliptical boundary motions. A highly twisted current layer is formed and analysis of the energetics, current structures, magnetic field and the resulting temperatures is carried out. Results are similar in nature to that of the shearing experiment.
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Zhang, Lei. "Numerical modeling of induction assisted subsurface heating technology." Digital WPI, 2012. https://digitalcommons.wpi.edu/etd-theses/574.

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Nickel-based super alloys are widely employed in the aerospace industry due to their high- temperature strength and high corrosion resistance. Because of the special application, the superficial residual stress of the super alloy is mandatory to 100% compressive stress according to the Federal Aviation Administration (FAA) regulations. In manufacturing of nickel-based super alloy components, grinding processes are necessarily applied as the final material removal step for achieving the stringent tolerance and surface finish requirements. During the traditional grinding process of Nickel based alloy, due to the thermal effect, tensile residual stress might be generated on the surface of the alloy. It's critical to transfer the tensile residual stress to compressive one which benefits on the fatigue life of alloy. In the thesis, a novel technology is developed to generate the superficial compressive residual stress with the method of embed a subsurface heating layer inside the workpiece to regulate the distribution of temperature field very before mechanical process. The residual stress might be reduced much, even transfer to compressive stress after combining the thermal effect. The numerical model will be built in the thesis including the induction model, heat transfer model, grinding heat model. Effects of different parameters on final subsurface heating layer will be studied including the coil parameters, concentrator parameters, coolant parameters, feed rate and also electromagnetic field properties such as the skin effect, proximity effect and slot effect. The thesis creates a system combining induction heating and cooling processes to regulate the temperature distribution in subsurface area that will be used for further stress analysis.
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Holth, Erik. "Model Predictive Control of mixed solar and electric heating." Thesis, Norwegian University of Science and Technology, Department of Engineering Cybernetics, 2009. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-9106.

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In this report we will model a heat system consisting of a heat storage tank and an application. The heat storage tank is supplied by a heating element and heated water from a solar collector. The main objective of the heat system is to mainatian a reference temperature in the application (a house). Weather forecasts will be used as weather data affecting the heat system. We will assume that the weather forecasts and the actual weather will be the same. The heat sytem will consist of simplified nonlinear differential equations and be controlled by a model predictive controller (mpc). The mpc controller will use a linearized model of the nonlinear process. The average predicted outside temperature from the weather forecasts will be used as nominal value for the same temperature in the linearized model in the mpc controller. The mpc controller will measure some disturbances to make more efficient control. The most imortant disturbance will be the temperature of the water coming out of the solar collector, that will flow into the heat storage. By measuring this temperature, the mpc controller can apply it to its predictor and make sure that the power of the heating element in the heat storage is reduced when solar collector heated water is available. This is to make sure that the heat storage has enough capacity to receive the heated water from the solar collector, while still maintaining a reasonable temperature in the heat storage. Simulation with different weighting of the inputs in the mpc controller will show that heating element power consumption is influenced by these weights.

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Книги з теми "Heating modes"

1

Kennedy, Michael. Documentation for simplified heating system equipment model. [Seattle, WA]: Ecotope, 1990.

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2

Strangman, T. E. Thermal barrier coating life prediction model development: First annual report. Phoenix, AZ: Garrett Turbine Engine Co., 1985.

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3

Adams, T. The physics of forest stream heating: A simple model. [Olympia, Wash.]: Timber, Fish & Wildlife, 1989.

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4

Adams, Terry N. The physics of forest stream heating: A simple model. [Olympia, Wash.]: Timber, Fish & Wildlife, 1989.

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5

Nemkov, V. S. Matematicheskoe modelirovanie ustroĭstv vysokochastotnogo nagreva. 2nd ed. Leningrad: "Politekhnika", 1991.

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6

Guiter, S. M. Plasmasphere modeling with ring current heating. [Washington, D.C: National Aeronautics and Space Administration, 1995.

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7

American Society of Heating, Refrigerating, and Air-Conditioning Engineers., ed. Annotated guide to load calculation models and algorithms. Atlanta: American Society of Heating, Refrigeratin and Air-Conditioning Engineers, Inc., 1996.

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8

Baker, Paul. A cohort model of central heating ownership in Great Britain. London: Department of Economics, Queen Mary College, 1987.

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9

Baker, Paul. A cohort model of central heating ownership in Great Britain. London: University College, 1987.

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10

Chung, Anne Marie. Tray shape effects in a computational model of microwave heating. Ottawa: National Library of Canada = Bibliothèque nationale du Canada, 1993.

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Частини книг з теми "Heating modes"

1

Letfullin, Renat R., and Thomas F. George. "Time Dynamic Modes of Nano/Bioparticle Heating." In Computational Nanomedicine and Nanotechnology, 389–446. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-43577-0_7.

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2

Hermans, D., A. W. Hood, L. Clifford, and A. Milne. "Effects of Line-Tying and Non-Uniformities on Thermal Instabilities and Slow MHD Modes." In Mechanisms of Chromospheric and Coronal Heating, 405–7. Berlin, Heidelberg: Springer Berlin Heidelberg, 1991. http://dx.doi.org/10.1007/978-3-642-87455-0_67.

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3

Pleshivtseva, Yu E., and E. A. Yakubovich. "Influence of Induction Heating Modes on Thermal Stresses Within Billets." In Lecture Notes in Electrical Engineering, 97–106. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-39225-3_12.

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4

Kotov, B. I., Vitaliy Lysenko, Dmitruy Komarchuk, Taras Lendiel, Volodymyr Hryshchenko, Viktor Trokhaniak, and Roman Kalinichenko. "Modeling Thermal Modes of Induction Installation for Heating Dispersive Plant Materials." In Advances in Intelligent Systems and Computing, 98–111. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-40971-5_10.

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5

Ohlsson, Thomas, and Per Olov Risman. "Temperature Distribution in Microwave Oven Heating — The Influence of Different Cavity Modes." In Developments in Food Engineering, 319–21. Boston, MA: Springer US, 1994. http://dx.doi.org/10.1007/978-1-4615-2674-2_99.

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6

Huang, Chenyu, Nianping Li, A. Yongga, Lizhi Huang, Chenzhang Yuan, and Yongsi Wang. "Simulation Research on Indoor Environment and Energy Consumption of Multiple Radiant Heating Modes." In Environmental Science and Engineering, 629–38. Singapore: Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-13-9528-4_64.

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7

Daoui, T., M. Hasnaoui, and A. Amahmid. "Transient Natural Convection in a Square Porous Cavity Submitted to Different Time-Dependent Heating Modes." In Recent Advances in Problems of Flow and Transport in Porous Media, 165–76. Dordrecht: Springer Netherlands, 1998. http://dx.doi.org/10.1007/978-94-017-2856-0_14.

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8

Missaoui, Abdelhak, Morad Elkaouini, and Hassan Chatei. "Numerical Study of the Effect of Applied Voltage on Simultaneous Modes of Electron Heating in RF Capacitive Discharges." In Lecture Notes in Electrical Engineering, 285–91. Singapore: Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-6259-4_29.

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9

Fujimoto, Kyoko, Leonardo M. Angelone, Sunder S. Rajan, and Maria Ida Iacono. "Simplifying the Numerical Human Model with k-means Clustering Method." In Brain and Human Body Modeling 2020, 261–70. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-45623-8_15.

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Анотація:
AbstractCurrently, the safety assessment of radio-frequency (RF) heating using computational modeling is limited by the available numerical models which are not patient specific. However, RF-induced heating depends on the physical characteristics of the patient. The numerical model generation is difficult due to the highly time-consuming segmentation process. Therefore, having fewer types of segmented structures simplifies the generation of numerical models and reduces computational burden as a result. In this study, we used the k-means clustering method to reduce the number of dielectric properties of an existing numerical model and investigated the resulting difference in specific absorption rate (SAR) with respect to the number of clusters.
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10

Luo, Maohui. "Adaptive Heating Balance Comfort Model." In Springer Theses, 131–44. Singapore: Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-15-1165-3_6.

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Тези доповідей конференцій з теми "Heating modes"

1

Svidzinski, V. A., and D. G. Swanson. "Fundamental heating with stellarator wave modes." In The twelfth topical conference on radio frequency power in plasmas. AIP, 1997. http://dx.doi.org/10.1063/1.53385.

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2

Shashkin, V. Ju. "Mathematical modelling of heating system hydraulic modes." In 2017 International Conference on Industrial Engineering, Applications and Manufacturing (ICIEAM). IEEE, 2017. http://dx.doi.org/10.1109/icieam.2017.8076453.

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3

Shindo, Y., K. Kato, K. Tsuchiya, T. Yabuhara, T. Shigihara, R. Iwazaki, T. Uzuka, H. Takahashi, and Y. Fujii. "Heating Properties of Re-entrant Resonant Applicator for Brain Tumor by Electromagnetic Heating Modes." In 2007 29th Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE, 2007. http://dx.doi.org/10.1109/iembs.2007.4353112.

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4

Li, Fei, Bin Xu, Zhensen Wu, Zhange Wang, and Zhengwen Xu. "Compare of polar ionosphere modification effect with different heating modes." In 2012 10th International Symposium on Antennas, Propagation & EM Theory (ISAPE - 2012). IEEE, 2012. http://dx.doi.org/10.1109/isape.2012.6408851.

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5

Du, Yang, Shan Tu, and Hongjuan Wang. "Research on Characteristics and Heating Modes of Heat Pump System." In 5th International Conference on Information Engineering for Mechanics and Materials. Paris, France: Atlantis Press, 2015. http://dx.doi.org/10.2991/icimm-15.2015.75.

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6

Kharlampidi, Dionis, Victoria Tarasova, and Mikhail Kuznetsov. "Experimental study of water heating modes by a heat pump." In 2020 IEEE KhPI Week on Advanced Technology (KhPIWeek). IEEE, 2020. http://dx.doi.org/10.1109/khpiweek51551.2020.9250148.

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7

Yepifanov, Sergiy V., Roman L. Zelenskyi, and Igor Loboda. "Modeling the GTE Under Its Dynamic Heating Conditions." In ASME Turbo Expo 2014: Turbine Technical Conference and Exposition. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/gt2014-26258.

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A modern gas turbine engine (GTE) is a complex non-linear dynamic system with the mutual effect of gas-dynamic and thermal processes in its components. The engine development requires the precise real-time simulation of all main operating modes. One of the most complex operating modes for modeling is “cold stabilization”, which is the rotors acceleration without completely heated up the turbine elements. The dynamic heating problem is a topical practical issue. Solving the problem requires coordinating a gas-path model with heat and stress models, which is also a significant scientific problem. The phenomenon of interest is the radial clearances change during engines operation and its influence on engines static and dynamic performances. To consider the clearance change, it is necessary to synthesize the quick proceeding stress-state models (QPSSM) of a rotor and a casing for the initial temperature and dynamic heating. The unique feature of the QPSSM of GTEs is separate equation sets, which allow the heat exchange between structure elements and the gas (air) and the displacements of the turbine rotor and the casing. This ability appears as a result of determining the effect of each factor on different structural elements of the engine. The presented method significantly simplifies the model identification, which can be performed based on a precise calculation of the unsteady temperature fields of the structural elements and the variation of the radial clearance. Thus, the present paper addresses a new method to model the engine dynamics considering its heating up. The method is based on the integration of three models: the gas-path dynamics model, the clearance dynamics model and the model of the clearance effect on the efficiency. The paper also comprises the program implementation of the models. The method was tested by applying to a particular turbofan engine.
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8

Vagina, N. V., and D. A. Tikhomirov. "Modes of operation and control circuit heating energy-efficient seedlings greenhouse." In TRENDS OF DEVELOPMENT OF SCIENCE AND EDUCATION. НИЦ «Л-Журнал», 2018. http://dx.doi.org/10.18411/lj-08-2018-61.

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9

Rao, N. N., and D. J. Kaup. "Upper hybrid mode conversion and resonance excitation of Bernstein modes in ionospheric heating experiments." In 1990 Plasma Science IEEE Conference Record - Abstracts. IEEE, 1990. http://dx.doi.org/10.1109/plasma.1990.110632.

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10

Takase, Y., S. Golovato, M. Porkolab, R. Boivin, F. Bombarda, P. Bonoli, C. Fiore, et al. "ICRF heated enhanced performance modes and mode conversion electron heating in alcator C-mod." In The 11th topical conference on radio frequency power in plasmas. AIP, 1996. http://dx.doi.org/10.1063/1.49520.

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Звіти організацій з теми "Heating modes"

1

Bernabei, S., Z. Chang, and D. Darrow. Correlation between excitation of Alfven modes and degradation of ICRF heating efficiency in TFTR. Office of Scientific and Technical Information (OSTI), May 1997. http://dx.doi.org/10.2172/304148.

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2

E.D. Fredrickson, N. Gorelenkov, C.Z. Cheng, R. Bell, D. Darrow, D. Johnson, S. Kaye, et al. Observation of Compressional Alfven Modes during Neutral Beam Heating on the National Spherical Torus Experiment. Office of Scientific and Technical Information (OSTI), October 2001. http://dx.doi.org/10.2172/788445.

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3

E.D. Fredrickson, N. Gorelenkov, C.Z. Cheng, R. Bell, D. Darrow, D. Johnson, S. Kaye, et al. Observation of Beam Driven Modes during Neutral Beam Heating on the National Spherical Torus Experiment. Office of Scientific and Technical Information (OSTI), October 2001. http://dx.doi.org/10.2172/788447.

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4

Reiter, Patrick, Hannes Poier, Christian Holter, Sabine Putz, Werner Doll, Maria Moser, Bernhard Gerardts, and Anna Provasnek. Business Models of Solar Thermal and Hybrid Technologies. IEA SHC Task 55, February 2019. http://dx.doi.org/10.18777/ieashc-task55-2019-0002.

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District Heating required annually 600 TWh in the European Union and represents more than 10% of the EUs heat demand. Fossil fuels are the major source for heat production. Approximately 5000 district heating grids in the EU are operated by burning fossil fuels valued at € 18 billion (600 TWh) and emitting more than 150 million tons of CO2 emissions every year.
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5

VanderGheynst, Jean, Michael Raviv, Jim Stapleton, and Dror Minz. Effect of Combined Solarization and in Solum Compost Decomposition on Soil Health. United States Department of Agriculture, October 2013. http://dx.doi.org/10.32747/2013.7594388.bard.

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In soil solarization, moist soil is covered with a transparent plastic film, resulting in passive solar heating which inactivates soil-borne pathogen/weed propagules. Although solarization is an effective alternative to soil fumigation and chemical pesticide application, it is not widely used due to its long duration, which coincides with the growing season of some crops, thereby causing a loss of income. The basis of this project was that solarization of amended soil would be utilized more widely if growers could adopt the practice without losing production. In this research we examined three factors expected to contribute to greater utilization of solarization: 1) investigation of techniques that increase soil temperature, thereby reducing the time required for solarization; 2) development and validation of predictive soil heating models to enable informed decisions regarding soil and solarization management that accommodate the crop production cycle, and 3) elucidation of the contributions of microbial activity and microbial community structure to soil heating during solarization. Laboratory studies and a field trial were performed to determine heat generation in soil amended with compost during solarization. Respiration was measured in amended soil samples prior to and following solarization as a function of soil depth. Additionally, phytotoxicity was estimated through measurement of germination and early growth of lettuce seedlings in greenhouse assays, and samples were subjected to 16S ribosomal RNA gene sequencing to characterize microbial communities. Amendment of soil with 10% (g/g) compost containing 16.9 mg CO2/g dry weight organic carbon resulted in soil temperatures that were 2oC to 4oC higher than soil alone. Approximately 85% of total organic carbon within the amended soil was exhausted during 22 days of solarization. There was no significant difference in residual respiration with soil depth down to 17.4 cm. Although freshly amended soil proved highly inhibitory to lettuce seed germination and seedling growth, phytotoxicity was not detected in solarized amended soil after 22 days of field solarization. The sequencing data obtained from field samples revealed similar microbial species richness and evenness in both solarized amended and non-amended soil. However, amendment led to enrichment of a community different from that of non-amended soil after solarization. Moreover, community structure varied by soil depth in solarized soil. Coupled with temperature data from soil during solarization, community data highlighted how thermal gradients in soil influence community structure and indicated microorganisms that may contribute to increased soil heating during solarization. Reliable predictive tools are necessary to characterize the solarization process and to minimize the opportunity cost incurred by farmers due to growing season abbreviation, however, current models do not accurately predict temperatures for soils with internal heat generation associated with the microbial breakdown of the soil amendment. To address the need for a more robust model, a first-order source term was developed to model the internal heat source during amended soil solarization. This source term was then incorporated into an existing “soil only” model and validated against data collected from amended soil field trials. The expanded model outperformed both the existing stable-soil model and a constant source term model, predicting daily peak temperatures to within 0.1°C during the critical first week of solarization. Overall the results suggest that amendment of soil with compost prior to solarization may be of value in agricultural soil disinfestations operations, however additional work is needed to determine the effects of soil type and organic matter source on efficacy. Furthermore, models can be developed to predict soil temperature during solarization, however, additional work is needed to couple heat transfer models with pathogen and weed inactivation models to better estimate solarization duration necessary for disinfestation.
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6

Davies, Nicholas R., and Peter Julian Blau. Comparison of Frictional Heating Models. Office of Scientific and Technical Information (OSTI), October 2013. http://dx.doi.org/10.2172/1110966.

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7

Lester, Brian T., and William M. Scherzinger. Adiabatic Heating in Modular Plasticity Models. Office of Scientific and Technical Information (OSTI), December 2019. http://dx.doi.org/10.2172/1592912.

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8

Lutz, Jim, Peter Grant, and Margarita Kloss. Simulation Models for Improved Water Heating Systems. Office of Scientific and Technical Information (OSTI), October 2013. http://dx.doi.org/10.2172/1170604.

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9

Garton, Byron. Heating and Cooling Cost Model user’s guide. Information Technology Laboratory (U.S.), July 2019. http://dx.doi.org/10.21079/11681/33591.

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10

Washington, K. E., and D. C. Williams. Direct containment heating models in the CONTAIN code. Office of Scientific and Technical Information (OSTI), August 1995. http://dx.doi.org/10.2172/95190.

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