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Academic literature on the topic 'Piso radiante hidráulico - Desempenho térmico'
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Dissertations / Theses on the topic "Piso radiante hidráulico - Desempenho térmico"
Martins, Pedro Manuel Alves Esdras. "Análise do desempenho térmico de um piso radiante hidráulico." Master's thesis, Universidade da Beira Interior, 2011. http://hdl.handle.net/10400.6/3797.
Full textIn this work was studied the thermal performance of a radiant floor with two types of surface finish, this study was conducted in a climatic chamber with controlled environment. This study aimed to characterize the thermal performance of the floor for each type of surface finish and its impact on thermal comfort conditions inside the chamber. For this study were initially simulated conditions of summer and winter climate in the chamber, the floor was then used to cool and heat (respectively) the chamber. This test protocol was used for testing the floor with the two types of surface finish. The analysis of thermal comfort inside the climatic chamber was performed according to ISO 7730, which uses the model developed by Fanger (1982) [1] in a climatic chamber. Thermal comfort indices (PMV and PPD) were calculated using spreadsheets assisted by the program VISUAL BASIC. These tests proved to be inconclusive in determining which surface finish of the floor had the best thermal and comfort performance in heating mode, because both surface finishes tested presented similar results. In cooling mode, the floor with the ceramic finish presented a better thermal performance, as well in terms of comfort.
Teixeira, António Filipe Gonçalves. "Estudo do desempenho térmico de um piso radiante hidráulico com diferentes acabamentos na superfície." Master's thesis, Universidade da Beira Interior, 2010. http://hdl.handle.net/10400.6/3811.
Full textRastello, María Carolina Díaz. "Otimização de parâmetros de projeto de tubulações de sistemas de calefação por piso radiante." Universidade de São Paulo, 2013. http://www.teses.usp.br/teses/disponiveis/3/3146/tde-11072014-020209/.
Full textDue to temperature control of interiors conditioning the well-being and the thermal comfort of people, it is necessary to make new researches aiming to improve the existing technologies and to reduce both installation costs and energy consumption. It is known that the use of traditional heating systems involves high energy consumption and, in some cases, unacceptable noise levels; while radiant systems are gaining a wider scope as a heating alternative due to its advantages compared to conventional systems. The use of radiant floor heating systems in Brazil is limited by installation cost due to the high price of required materials. This fact restricts the use of these systems primarily to the residential sector. However, it may be possible for this technology to reach a larger market, including public buildings, offices, schools and hospitals. Therefore, to optimize the most relevant design parameters relating to the thermal performance of the system and reduce both the amount of required materials and the system operating time, this paper elaborates on a method consisting of a high-resolution numerical mathematical model of the heat transfer within a floor using a finite control volume method with an implicit solution scheme. In this work, we consider how the properties of the materials, environmental thermal comfort factors and the performance of the system work together with the theoretical underpinnings of the heat transfer phenomenon to define the design parameters to optimize the materials and provide greater control over the energy consumption. This optimization is achieved without changing any environmental thermal comfort conditions or the well-being of the occupants. Finally, a numerical solution for the heat transfer within the floor is implemented using the computer code Matlab.
Rodrigues, Lucas Fernandes de Sousa. "Estudo do desempenho térmico de um piso radiante com diferentes formulações de betonilha." Master's thesis, 2019. http://hdl.handle.net/10773/29790.
Full textThis dissertation focuses on the evaluation of radiant floor systems, focusing specifically on the study of mortar screeds used with these systems. For this purpose, three slabs were built with a hydraulic radiant floor system of the same size, shape and pitch. Each slab was executed with a different mortar screed formulation in order to compare the results between them. The dissertation is structured in six chapters. The study is framed and motivated, presenting the types of radiant floor heating systems and their components, followed by the presentation of the materials used in the construction of the slabs of the experimental campaign, the test methodology followed, and the main results obtained. Finally, the main conclusions are presented. The experimental campaign consisted of three tests. The first test consisted in analysing the thermal behaviour of the mortar screeds with the heating system of the hot water circuit of the three slabs. This test aimed to determine the heating response time of each of the mortar screeds used. After a certain heating time, the heating system was turned off in order to observe the mode and calculate the slab cooling time and rate. During the heating phase thermographic imaging was done. The second test consisted in leaving the heating system on for a period of 24 hours. During this time, it was analysed the thermal behaviour and heating rate of all mortar screed solutions. The third test consisted in studying the system with respect to the heat source operating time to maintain the slab screed surface temperature between a working temperature range (maximum and minimum). By comparison, it was possible to identify which of the solutions is the most efficient in terms of energy saving, this is, the shortest operating time of the heat source.
Mestrado em Engenharia Civil
Batista, Gilberto Carlos Afonso. "Sistema de controlo, regulação e comando de pisos radiantes hidráulicos." Master's thesis, 2012. http://hdl.handle.net/10400.6/2444.
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