Bibliografie tematiche / Heat pump installation

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Letteratura scientifica selezionata sul tema "Heat pump installation"

Autore: Grafiati

Pubblicato: 4 maggio 2022

Ultima modifica: 26 luglio 2025

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Articoli di riviste sul tema "Heat pump installation"

Høeg, Arne, and Tor-Martin Tveit. "Low to very high temperature thermal energy recycling – 3 case studies." E3S Web of Conferences 313 (2021): 09001. http://dx.doi.org/10.1051/e3sconf/202131309001.

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In this paper we present three case studies of the installation of a stirling-cycle high temperature heat pump applied to recycling thermal energy including steam generation. Many industries have heat demand at temperatures above 100°C and often the preferred energy carrier is steam. The optimal integration of a heat pump can be determined by investigating the thermal need of the process with pinch technology. For many industries, the pinch temperature is too high for conventional heat pumps. We present a heat pump solution that can recycle thermal energy and deliver this to a heat source up t

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Il'ina, T., P. Orlov, N. Savvin, and Y. Elistratova. "THE ECONOMIC ASPECT OF THE SCALE-FORMING DIGNOSTICS LAYERS IN PLATE HEAT EXCHANGERS." Bulletin of Belgorod State Technological University named after. V. G. Shukhov 9, no. 4 (2024): 36–44. http://dx.doi.org/10.34031/2071-7318-2024-9-4-36-44.

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Heat pump installations and the possibility of their application in engineering systems are considered. This allows expanding significantly the possibilities of using renewable energy sources, as well as waste heat from various technological processes in engineering systems for creating a microclimate. Air heat pumps are the most promising, but their use in regions with a cold climate is limited due to condensation of moisture vapors on the cooling line of the evaporation unit with subsequent formation of ice, which reduces the efficiency of the installation. In this paper, an upgraded evapora

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Novikov, Andrey A., and Irina G. Ershova. "Experimental Installation at the Water-Ice Phase Transition." Elektrotekhnologii i elektrooborudovanie v APK 67, no. 2 (2020): 21–26. http://dx.doi.org/10.22314/2658-4859-2020-67-2-21-26.

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The article reviewes the specifics of electricity production in Russia. One of the most effective energy saving methods is the use of heat pump installations. Its main property is the ability to extract heat from the environment: soil, water, reservoirs, the surrounding air, and the sun. Existing heat pumps with a water-ice phase transition are not efficient enough and have a high installation cost due to its complexity. (Research purpose) The research purpose is in determining the parameters and operating modes of the experimental installation at the water-ice phase transition. (Materials and

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Liu, Hao, Hongyi Zhang, and Saqib Javed. "Long-Term Performance Measurement and Analysis of a Small-Scale Ground Source Heat Pump System." Energies 13, no. 17 (2020): 4527. http://dx.doi.org/10.3390/en13174527.

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Recent data suggest that heat pumps, despite having the potential to cover over 90% of the global space and water heating demands, only provide less than 5% of global heating. Heat pumps, in general, and ground source heat pumps, specifically, offer significant potential for energy savings and carbon emissions reduction in buildings. The realization of these potential benefits, however, requires proper design, installation, and operation of the entire heat pump system. This paper presents the performance analysis of a Swedish ground source heat pump system providing space heating and hot water

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Frik, Anton, and Juozas Bielskus. "EXPERIMENTAL TEST STAND OF A HEAT PUMP INTEGRATED IN AIR HANDLING UNIT." Mokslas - Lietuvos ateitis 12 (September 22, 2020): 1–6. http://dx.doi.org/10.3846/mla.2020.13075.

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Heat pumps are becoming increasingly popular and are playing an important role in the heat and cooling supply chain of buildings sector. Although more than 160 years have passed since the manufacture of the first heat pump, this technology, designed to recover lowpotential heat energy and its useful use, can be called an innovative and efficient energy transformer. Airtowater and airtoair heat pumps are becoming more popular today due to their installation cost compared to groundtowater heat pumps. It has been noticed that recently airtoair heat pumps are more often installed in moder

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Kwag, Byung C., and Moncef Krarti. "Development of design guidelines for thermo-active foundations." Indoor and Built Environment 27, no. 6 (2017): 805–17. http://dx.doi.org/10.1177/1420326x17690018.

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Ground medium can be utilized as a direct energy source to heat and cool buildings. In particular, ground source heat pump systems take advantage of the year-round mild deep earth temperature without a significant reliance on any external energy sources. However, the high installation cost of ground source heat pumps associated with high drilling cost of vertical boreholes often make these systems less cost-effective compared to conventional heating and cooling systems. Thermo-active foundations can be a viable solution to reduce ground source heat pump high installation costs by embedding hea

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Denysova, Alla E., and Pavel A. Ivanov. "Modeling of thermal processes in vertical heat exchangers of ground-source heat pump." Herald of Advanced Information Technology 6, no. 4 (2023): 352–62. http://dx.doi.org/10.15276/hait.06.2023.23.

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The basic directions for perfection heat supply systems are the tendency of transition to the low-temperature heating systems based at application heat pump installations. We consider heat supply systems with ground-source heat pump. The paper considers modeling the efficiency of ground-source heat pumps with the account of Ukrainian climate conditions. The paper presents the energy performance criteria which show the way to rational implementation of ground-source heat pumps for heating. A computational model based at non-stationary heat exchange processes in elements of ground-source heat pu

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Kotov, Boris, Vladimir Grishchenko, Yuriy Pantsir, and Igor Garasimchuk. "MATHEMATICAL MODELING OF TECHNOLOGICAL MODES OF HEAT-PUMPING SYSTEMS FOR TECHNOLOGICAL PROCESSES." Vibrations in engineering and technology, no. 2(101) (June 29, 2021): 85–91. http://dx.doi.org/10.37128/2306-8744-2021-2-9.

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One of the ways to increase the energy efficiency of the process of heat supply of technological facilities and production facilities of the agro-industrial complex is the use of heat pumps. Their use allows to increase the energy potential of heat carriers. To optimize the mode parameters and create systems for automatic control of the heat pump installation, it is necessary to establish a relationship between the parameters of the processes occurring in the elements of the installation by creating a mathematical model of non-stationary thermal modes. In the analysis of recent studies and pub

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Gradziuk, Piotr, Aleksandra Siudek, Anna M. Klepacka, Wojciech J. Florkowski, Anna Trocewicz, and Iryna Skorokhod. "Heat Pump Installation in Public Buildings: Savings and Environmental Benefits in Underserved Rural Areas." Energies 15, no. 21 (2022): 7903. http://dx.doi.org/10.3390/en15217903.

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Heat pump technology offers a path towards reducing the use of fossil fuels to heat space, providing energy bill savings and reducing air pollution and GHG emissions. The choice of heating method is based on costs; hence, this study examines the gains from operating heat pump systems in public buildings as well as alternative systems using electricity, LPG, and heating oil. The study focuses on the Ruda-Huta municipality in Poland that, as is common in rural areas, lacks access to a district heating system or piped gas. The empirical analysis includes heat pump installations in eight municipal

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Capone, Martina, Elisa Guelpa, and Vittorio Verda. "Optimal Installation of Heat Pumps in Large District Heating Networks." Energies 16, no. 3 (2023): 1448. http://dx.doi.org/10.3390/en16031448.

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Power-to-heat technology represents a promising solution for the decarbonization of the energy sector. The installation of large-scale heat pumps within district heating systems is widely recognized to be a cost-effective and competitive way to provide flexibility to the electric system, enhancing the use of intermittent renewable energy sources. The goal of this paper is to show how the economic and environmental benefits provided by the installation of a large-scale heat pump in existing district heating systems vary according to the installation location in different scenarios. To do that,

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Tesi sul tema "Heat pump installation"

Derouet, Marc. "Analysis of borehole heat exchanger in an existing ground-source heat pump installation." Thesis, KTH, Tillämpad termodynamik och kylteknik, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-148158.

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Ground-source heat pumps systems (GSHP) are commonly used all over Sweden to supply heat and sometimes cool to different kinds of housings or commercial facilities. Many large installations are by now between 10 and 20 years old. Even when the design of such system has been tackled, rare are the studies that have dealt with following their performance throughout time in detail. Based on conductive heat transfer, the heat extraction process makes the ground temperature decrease when installations are only used for heating. This thesis aims at proposing a method to evaluate how the temperature i

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Арсеньєв, В`ячеслав Михайлович, Вячеслав Михайлович Арсеньев, Viacheslav Mykhailovych Arseniev та Д. А. Кобыльченко. "Оптимизация теплонасосной установки с бивалентным режимом работы". Thesis, Издательство СумГУ, 2012. http://essuir.sumdu.edu.ua/handle/123456789/25777.

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Urtasun, Cristina. "Energy audit and saving analysis of a building : Study of heat pump installation and district heating connection." Thesis, University of Gävle, Department of Technology and Built Environment, 2008. http://urn.kb.se/resolve?urn=urn:nbn:se:hig:diva-595.

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The object of analysis in the present document is a residential house in Sätra. This building has a hydronic space heating system with radiators spread around the house and a heating recovery system ventilation which also use water for reheating. Water for space heating, ventilation and hot tap water is nowadays heated in an electric boiler.The aim of this project is to make a diagnosis of the current situation, evaluate different alternatives for supplying hot water to the house, and to study costs and possible savings by comparing the actual facilities with the proposals done.

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OrdeÑana, Ianire. "REDUCTION OF THE COSTS IN A HOUSE IN VALBO THAT USES ELECTRICITY AS ENERGY SOURCE : Study of the installation of a heat pump or connection to the district heating." Thesis, University of Gävle, Department of Technology and Built Environment, 2008. http://urn.kb.se/resolve?urn=urn:nbn:se:hig:diva-593.

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The analyzed building in this project is located in Valbo, 9016 Stiftelsev 6. This house is a property of Gavlegårdarna, and it is being used as a house for disabled people. The building consists on five apartments, with one patient in each apartment. Some social workers help those patients in everything they need, making their living in the house as easy as possible.The aim of this project is to find out the best option of reducing the energy consumption in this house. There are some alternatives to reduce the energy or the energy costs as; efficiency measures, load management and e

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Спориш, О. О. "Дослідження термокомпресійної теплонасосної установки реалізованої за циклом Чистякова-Плотнікова". Master's thesis, Сумський державний університет, 2018. http://essuir.sumdu.edu.ua/handle/123456789/72242.

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У роботі досліджено термокомпресійну теплонасосну установку реалізованої за циклом Чистякова-Плотнікова. В работе исследованы термокомпресийну теплонасосной установки реализованной по циклу Чистякова-Плотникова. In this work, the thermocompressor of a heat pump unit realized in the Chistyakov-Plotnikov cycle was investigated.

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Лисянський, Д. В. "Оптимізація енергоефективності бівалентної теплонасосної установки". Master's thesis, Сумський державний університет, 2018. http://essuir.sumdu.edu.ua/handle/123456789/72245.

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У роботі виконано оптимізацію енергоефективності бівалентної теплонасосної установки шляхом вибору оптимального значення проміжної температури між бівалентною теплонасосною установкою та теплообмінником догріву. В работе выполнено оптимизацию энергоэффективности бивалентной теплонасосной установки путем выбора оптимального значения промежуточной температуры между Бивалентный теплонасосной установкой и теплообменником догрева. The work has optimized the energy efficiency of a bivalent heat pump installation by choosing the optimal intermediate temperature value between a bivalent heat pum

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Лукичов, В. А. "Теплонасосна установка для опалювальних потреб на базі природних джерел теплоти". Master's thesis, Сумський державний університет, 2018. http://essuir.sumdu.edu.ua/handle/123456789/72247.

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У роботі визначено негативне теплове навантаження для розглянутого приміщення, реальні параметри первинного контуру з використанням (теплоти ґрунту, сонячної енергії, теплоти атмосферного повітря), виконано порівняння варіантів теплонасосного опалення по енергозатратам капітальним інвестиціям. В работе определены негативное тепловая нагрузка для рассматриваемого помещения, реальные параметры первичного контура с использованием (теплоты грунта, солнечной энергии, теплоты атмосферного воздуха), выполнено сравнение вариантов теплонасосного отопления по энергозатраты капитальным инвестициям.<br

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Soulas, Marcel. "Contribution à l'étude des transferts énergétiques dans les milieux polyphasiques : application aux systèmes complexes valorisant les énergies renouvelables." Angers, 1986. http://www.theses.fr/1986ANGE0005.

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Etude des divers aspects thermodynamiques des processus irréversibles relatifs aux transferts énergétiques induits par des points de chaleur dans différents milieux : systèmes poreux polyphasiques, milieux condensables ou non. Application à une pompe à chaleur à détente directe, à sources de chaleur dans l'atmosphère et dans le sol, et comportant un plancher chauffant à condensation directe. Performances obtenues.

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Diaby, Ahmadou Tidiane. "Étude expérimentale et simulée d'une installation de thermofrigopompe pour la production de froid et le dessalement." Thesis, Rennes 1, 2017. http://www.theses.fr/2017REN1S156/document.

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Une thermofrigopompe (TFP) est une machine frigorifique qui produit du froid et de la chaleur utiles. L’objectif de ces travaux est de développer le concept de thermofrigopompe pour la production de froid et le dessalement. Le dessalement est réalisé en utilisant la chaleur rejetée au condenseur de la TFP. La technique de dessalement retenue après étude bibliographique est l’AGMD (air gap membrane distillation) pour ses températures de fonctionnement compatibles avec la température de condensation des machines frigorifiques classiques. Ce procédé de distillation a été caractérisé grâce à une i

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Галелюк, А. З. "Оптимізація системи опалення виробничого приміщення на базі теплонасосної установки". Master's thesis, Сумський державний університет, 2018. http://essuir.sumdu.edu.ua/handle/123456789/72210.

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Робота спрямована на оптимізацію системи опалення для виробничого приміщення шляхом застосування енергозберігаючих технологій. В основі енегрозберігаючої технології, що пропонується, лежить використання енергії низькопотенційних вторинних енергоресурсів – повітря навколишнього середовища. Работа направлена на оптимизацию системы отопления производственного помещения путем применения энергосберегающих технологий. В основе енегрозберигаючои предлагаемой технологии лежит использование энергии низкопотенциальных вторичных энергоресурсов - воздух окружающей среды. The work is aimed at optimiz

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Libri sul tema "Heat pump installation"

Neme, Chris. Energy savings potential from addressing residential air conditioner and heat pump installation problems. American Council for an Energy-Efficient Economy, 1999.

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Sutphin, S. E. Residential heat pumps: Installation and trouble-shooting. Prentice-Hall, 1987.

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Sachs, Harvey M. Geology and drilling methods for ground-source heat pump installations: An introduction for engineers. ASHRAE, 2002.

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Bonin, Jürgen. Heat Pump Planning Handbook. Taylor & Francis Group, 2015.

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Bonin, Jürgen. Heat Pump Planning Handbook. Taylor & Francis Group, 2015.

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Bonin, Jürgen. Heat Pump Planning Handbook. Taylor & Francis Group, 2015.

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Heat pump planning handbook. Routledge, 2015.

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Langley, Billy C. Heat pump technology systems design installation and troubleshooting. 2nd ed. Englewood Cliffs, 1989.

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Heat pump technology: Systems design, installation, and troubleshooting. 2nd ed. Prentice Hall, 1989.

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Closed-Loop/Ground-Source Heat Pump Systems - Installation Guide. Oklahoma State University, 1988.

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Capitoli di libri sul tema "Heat pump installation"

Pełka, Grzegorz, Wojciech Luboń, Jarosław Kotyza, Daniel Malik, and Paweł Jastrzębski. "Design and Development of a Didactic Mobile Installation with Solid Fuel Boilers and a Heat Pump." In Springer Proceedings in Energy. Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-72371-6_49.

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Vesanen, Teemu, Kiviniemi Markku, Kostas Tsatsakis, and Gabriele Masera. "Digital Tools for Fast-Track Renovation Operations." In Innovative Tools and Methods Using BIM for an Efficient Renovation in Buildings. Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-04670-4_6.

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AbstractDigital tools for fast-track renovation operations developed in the project aim to shorten the duration of renovation and disturbance to the occupants with BIM-enabled methods and tools in operations management at site and with prefabrication to speed up the installation tasks. The chapter presents an ensemble of tools, concepts and use cases. First, two tools are described that are used to support construction production management and user communication. Then a concept how product data could be used as part of the tools and further how the product data and the tools could support in

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Agrawal, Neeraj, and Souvik Bhattacharyya. "Capillary Tube as an Expansion Device in a CO2 (R744) Transcritical Heat Pump System." In Handbook of Research on Advances and Applications in Refrigeration Systems and Technologies. IGI Global, 2015. http://dx.doi.org/10.4018/978-1-4666-8398-3.ch009.

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Natural refrigerants which are ecologically safe and were in use extensively in the pre-CFC era are witnessing a revival of CO2 (R744). Inherently being a low critical temperature (31.2 ?C) refrigerant, the CO2 cycle based system operates in transcritical mode offers an opportunity to obtain an optimum operating condition. Capillary tubes which are extensively used in small size vapour compression systems work very differently in a CO2 transcritical heat pump system. In this chapter it is described that installation of a capillary tube having an appropriately designed length replacing an expan

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Lobunets, Yuriy. "System Analysis of Thermoelectric Heat Pump Circuits with Regenerative Heat Recovery." In Low-Temperature Technologies and Applications [Working Title]. IntechOpen, 2025. https://doi.org/10.5772/intechopen.1008184.

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A schematic concept of a compressorless heat pump for residential and commercial HVAC installations is considered. The technical approach is based on a solid-state thermoelectric heat pump, which will reduce energy consumption for cooling and heating compared to typical technologies. A key feature of all reverse thermodynamic cycles on which heat pumps operate is the inverse hyperbolic dependence of the coefficient of performance (COP) on the difference in operating temperatures. The considered design divides the total operating temperature difference into many small intervals, each with an in

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SHINADA, HIROAKI. "Heat Pumps for District Application in Japan - Hakozaki Installation." In Heat Pumps. Elsevier, 1990. http://dx.doi.org/10.1016/b978-0-08-040193-5.50075-4.

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"Heat pumps." In A Practical Guide to Renewable Energy: Power Systems and their Installation. Routledge, 2012. http://dx.doi.org/10.4324/9780080970653-9.

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Hundy, G. F., A. R. Trott, and T. C. Welch. "Installation and Construction." In Refrigeration, Air Conditioning and Heat Pumps. Elsevier, 2016. http://dx.doi.org/10.1016/b978-0-08-100647-4.00011-5.

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CHAPON, C., and M. DELANDRE. "Air Conditioning by Heat Pumps on a Water Loop: Installation of the EDF-GDF Distribution Centre of Bordeaux-Merignac." In Heat Pumps. Elsevier, 1990. http://dx.doi.org/10.1016/b978-0-08-040193-5.50084-5.

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Babaev, Baba Dzhabrailovich, Valeriy Vladimirovich Kharchenko, and Vladimir Panchenko. "Development and Research of Phase-Transition and Thermochemical Materials for Heat Accumulation." In Handbook of Research on Smart Computing for Renewable Energy and Agro-Engineering. IGI Global, 2020. http://dx.doi.org/10.4018/978-1-7998-1216-6.ch001.

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The chapter discusses various phase-transition heat-accumulating materials. Their application in heat pumps and their use for heat supply are presented. Phase-transition heat-accumulating materials in heat pipes are also considered, various types of heat pipes are presented. The installation of heat storage with phase-transition materials is presented. Along with phase-transition heat-accumulating materials, the chapter considers thermochemical heat-accumulating material of photochemical reactions of energy storage. As an example of a thermochemical heat-accumulating material, a solar power pl

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Boura, Tatiana, Natalia Koliou, George Meramveliotakis, Stasinos Konstantopoulos, and George Kosmadakis. "Predicting Solar Heat Production to Optimize Renewable Energy Usage." In Frontiers in Artificial Intelligence and Applications. IOS Press, 2024. http://dx.doi.org/10.3233/faia241051.

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Utilizing solar energy to meet space heating and domestic hot water demand is very efficient (in terms of environmental footprint as well as cost), but in order to ensure that user demand is entirely covered throughout the year needs to be complemented with auxiliary heating systems, typically boilers and heat pumps. Naturally, the optimal control of such a system depends on an accurate prediction of solar thermal production. Experimental testing and physics-based numerical models are used to find a collector’s performance curve — the mapping from solar radiation and other external conditions

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Atti di convegni sul tema "Heat pump installation"

Leoni, Leonardo, Saverio Ferraro, Fabrizio Martini, et al. "Evaluating the Energy and Economic Impacts of a Geothermal Heat Pump Installation in Italy." In 2024 IEEE International Conference on Environment and Electrical Engineering and 2024 IEEE Industrial and Commercial Power Systems Europe (EEEIC / I&CPS Europe). IEEE, 2024. http://dx.doi.org/10.1109/eeeic/icpseurope61470.2024.10751598.

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Shcheklein, Sergey, Vladimir Velkin, Andrey Matveev, Igor Koshkin, and Sergey Pushkarev. "USING A HEAT PUMP TO COVER PEAK HEAT LOADS IN HARSH CLIMATES." In 24th SGEM International Multidisciplinary Scientific GeoConference 24. STEF92 Technology, 2024. https://doi.org/10.5593/sgem2024/4.1/s17.29.

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Most modern heat pump installations can only generate a maximum temperature of 50-55�C. This temperature potential is not sufficient to integrate them with existing convective and radiator-based space heating systems in severe climates. This paper discusses the findings from an experimental study evaluating the efficiency of a fan coil-based air heating system. Using a peaking boiler fueled by natural gas from the main supply has been shown to be the most cost-effective method for generating thermal energy with peak-load heating systems. For consumers without access to the main gas supply, a h

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Beaudry, Gabrielle, Philippe Pasquier, and Denis Marcotte. "Hydrogeothermal characterization and modelling of a standing column well experimental installation." In International Ground Source Heat Pump Association. International Ground Source Heat Pump Association, 2018. http://dx.doi.org/10.22488/okstate.18.000009.

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Bellalouna, Fahmi, and David Puljiz. "Supporting Heat Pump Installation Through Handheld Augmented Reality." In 2023 14th IEEE International Conference on Cognitive Infocommunications (CogInfoCom). IEEE, 2023. http://dx.doi.org/10.1109/coginfocom59411.2023.10397486.

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West, Timothy N., and Jeffrey D. Spitler. "Tools for automated circuiting of large vertical borehole fields â€“ a preliminary investigation." In International Ground Source Heat Pump Association. International Ground Source Heat Pump Association, 2024. http://dx.doi.org/10.22488/okstate.24.000003.

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Recent developments in automated vertical borehole ground heat exchanger design tools can reduce the required engineering time and improve the resulting ground heat exchanger designs by taking full advantage of available property. However, current practice when designing irregularly shaped borefields is to minimize the total drilling rather than the installation cost or life cycle cost of the system. Total drilling can serve as a proxy for total installation cost, but neglecting the cost of horizontal piping and trenching may be misleading in some circumstances. This paper describes the initia

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Vanhoudt, Dirk, Johan Desmedt, and Johan Van Bael. "Test Setup for an Active Controlled Heat Pump Installation." In ISES Solar World Congress 2011. International Solar Energy Society, 2011. http://dx.doi.org/10.18086/swc.2011.26.18.

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Ghalayini, Ibrahim, Aggrey Mwesigye, and Seth B. Dworkin. "Numerical characterization of the thermal performance of horizontal geo-exchange pipes." In International Ground Source Heat Pump Association. International Ground Source Heat Pump Association, 2024. http://dx.doi.org/10.22488/okstate.24.000039.

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Ground source heat pump systems offer efficient and sustainable heating and cooling solutions; however, traditional vertical boreholes involve high capital costs associated with drilling, hindering widespread adoption. Recent research introduces a novel approach by integrating geothermal heat exchangers into steel helical piles within building foundations, known as "Geo-Piles." These devices, extending typically 50 ft to 100 ft into the ground, serve a dual purpose (structural and thermal) and show promise as cost-effective alternatives. Further advancements explore the use of plastic as a cas

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Heppelmann, M., B. Bitzer, D. Morton, G. S. Virk, and S. Dogramadzi. "Installation and First Results of a Solar Assisted Heat Pump System." In 41st International Universities Power Engineering. IEEE, 2006. http://dx.doi.org/10.1109/upec.2006.367733.

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Hegner, R., O. Abu Khass, C. Moller, and P. Stathopoulos. "High Temperature Heat Pump Cascade Systems With Water (R718) as Refrigerant." In ASME Turbo Expo 2022: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2022. http://dx.doi.org/10.1115/gt2022-82920.

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Abstract The heat demand of industrial processes is still mostly covered by fossil fuels, especially at temperatures above 160°C. The installation of high temperature heat pumps (HTHP) that can operate at these temperatures is an effective way to reduce industrial CO2-emissions and primary energy consumption. Water can be an attractive refrigerant due to its high critical point and environmental sustainability. However, using water as refrigerant also requires a waste heat source of high temperature, since any heat source below 100°C would result in sub-atmospheric evaporation, leading to more

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Gebhardt, Hannah, Hesam Soltan Mohammadi, Andreas Ebert, Christoph Bott, Adriaan Visser, and Peter Bayer. "High-resolution monitoring and simulation of the temperatures in a borehole heat exchanger field over multiple years." In International Ground Source Heat Pump Association. International Ground Source Heat Pump Association, 2024. http://dx.doi.org/10.22488/okstate.24.000019.

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Installation and operation of ground source heat pump systems build upon an enormous practical experience. As these systems are operated for decades, their techno-economic tenability strongly depends on the long-term in-situ heat transfer efficiency and thus the altered ambient subsurface temperatures. Imbalanced seasonal heat exchange causes thermal changes in the ground, which need to be understood to reliably predict the performance of a system during its lifetime. Despite extensive research, understanding the interaction between subsurface and borehole heat exchangers (BHEs) remains inconc

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Rapporti di organizzazioni sul tema "Heat pump installation"

Domanski, Piotr A., Hugh I. Henderson, and W. Vance Payne. Sensitivity Analysis of Installation Faults on Heat Pump Performance. National Institute of Standards and Technology, 2014. http://dx.doi.org/10.6028/nist.tn.1848.

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Fyfe, Caroline, Arthur Grimes, Shannon Minehan, and Phoebe Taptiklis. Evaluation of the Warmer Kiwis Homes Programme: Full Report including Cost Benefit Analysis. Motu Economic and Public Policy Research, 2022. http://dx.doi.org/10.29310/wp.2022.14.

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We evaluate the heat pump component of New Zealand’s Warmer Kiwi Homes (WKH) programme. The programme includes provision of heat pumps in living areas for eligible households (based on neighbourhood or income) that do not have suitable heating. It also includes installation of retrofitted insulation for houses with insufficient insulation. Staggered installation enables difference-in-difference estimates of impacts. Heat pump outcomes on which we focus include warmth and dryness of the living area, personal comfort and wellbeing, and electricity consumption. We combine the heat pump findings w

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Goetzler, William, Robert Zogg, Jim Young, and Youssef Bargach. Residential Central Air Conditioning and Heat Pump Installation – Workshop Outcomes. Office of Scientific and Technical Information (OSTI), 2016. http://dx.doi.org/10.2172/1420232.

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Fyfe, Caroline, Arthur Grimes, Shannon Minehan, and Phoebe Taptiklis. Evaluation of the Warmer Kiwis Homes Programme: Summary Report including Cost Benefit Analysis. Motu Economic and Public Policy Research, 2022. http://dx.doi.org/10.29310/wp.2022.13.

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Abstract (sommario):

We evaluate the heat pump component of New Zealand’s Warmer Kiwi Homes (WKH) programme. The programme includes provision of heat pumps in living areas for eligible households (based on neighbourhood or income) that do not have such heating. It also includes installation of retrofitted insulation for houses with insufficient insulation. Staggered installation enables difference-in-difference estimates of impacts. Heat pump outcomes on which we focus include warmth and dryness of the living area, personal comfort and wellbeing, and electricity consumption. We combine the heat pump findings with

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Scott Hackel and Amanda Pertzborn. Hybrid Ground-Source Heat Pump Installations: Experiences, Improvements, and Tools. Office of Scientific and Technical Information (OSTI), 2011. http://dx.doi.org/10.2172/1021345.

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Finger, J. T., W. N. Sullivan, R. D. Jacobson, and K. G. Pierce. Systems study of drilling for installation of geothermal heat pumps. Office of Scientific and Technical Information (OSTI), 1997. http://dx.doi.org/10.2172/544723.

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Garimella, Srinivas. Diesel Engine Waste Heat Driven Absorption Heat Pumps for ECU Applications in Defense Installations. Office of Scientific and Technical Information (OSTI), 2019. http://dx.doi.org/10.2172/1515756.

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Simmonds, Philippa, and Clare Lally. Green skills in education and employment. Parliamentary Office of Science and Technology, 2024. http://dx.doi.org/10.58248/pn711.

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Green skills can be defined as “the knowledge, abilities, values and attitudes needed to live in, develop and support a society which reduces the impact of human activity on the environment”. Several definitions exist, with some being focused on technical skills for jobs that play a major role in reaching net zero greenhouse gas emissions by 2050 (for example, heat pump installation). Other definitions are broader, and include enabling skills and attitudes, such as public engagement and systems thinking. The lack of a consistent definition can make it challenging to analyse the supply and dema

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Liu, Xiaobing, Joseph Warner, and Mark Adams. FY16 Q3 Milestone Report for Geothermal Vision Study Thermal Application (Geothermal Heat Pump): Complete Simulations of GHP Installations for Representative Buildings. Office of Scientific and Technical Information (OSTI), 2016. http://dx.doi.org/10.2172/1324190.

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