Radiant ceiling panel heating–cooling systems: experimental and simulated study of the performances, thermal comfort and energy consumptions

Miriel, Jacques; Serres, Laurent; Trombe, A.

doi:10.1016/s1359-4311(02)00087-x

Cited by 178 publications

(83 citation statements)

References 3 publications

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“…It also depends to a similar or even greater extent, on the mean radiant temperature T rm . This implies that, for radiant surface systems, the variation of the surface temperature of some walls allows to obtain an optimum feeling of comfort, maintaining higher air temperature in summer and lower in winter [21]. This significant difference with convective systems (radiators) in winter, and forced air solutions in summer, leads to considerable improvements in comfort and energy savings [11,22].…”

Section: Physical Justification Of Radiant Surface Conditioningmentioning

confidence: 99%

Thermal Ceramic Panels and Passive Systems in Mediterranean Housing: Energy Savings and Environmental Impacts

Echarri

2017

Sustainability

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This research examines the benefits of designing a living space in a basement, as a method of passive temperature control in summer, combined with thermal ceramic panels (TCP) on some walls. These panels incorporate a capillary system of polypropylene tubes which work with cold water. We studied a detached house on the coast of Alicante, where the moderate temperature of the ground tempered interior conditions of comfort using the flow of air from the basement, significantly reducing energy demand and environmental impacts. This reduction was quantified through simulations using the Design Builder tool, having previously monitored the state of the building, on scenarios of a house without a basement, a house with a basement and an all-air system, and a house with a basement and radiant surfaces, using TCP panels on walls. This latter passive system led to a 10.25% reduction in annual energy demand. When we combined it with the two possible air conditioning systems, comfort achieved using the TCP panel system improved by 45.8% compared to the all air system in the living room on the ground floor and by 17% in the basement living room. In addition, annual energy demand and environmental impacts deriving from the use of the installation decreased by 31.8% with the TCP system.

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Section: Physical Justification Of Radiant Surface Conditioningmentioning

confidence: 99%

Thermal Ceramic Panels and Passive Systems in Mediterranean Housing: Energy Savings and Environmental Impacts

Echarri

2017

Sustainability

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“…Miriel et al [12] developed a ceiling-panel system model that operates with a temperature at 16°C. Zhao et al [13] analyzed the performance of a radiant cooling system with supply water temperature of 18°C in a large-space building in China.…”

Section: Introductionmentioning

confidence: 99%

Energy saving potential of a two-pipe system for simultaneous heating and cooling of office buildings

Maccarini

Wetter

Afshari

et al. 2017

Energy and Buildings

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This paper analyzes the performance of a novel two-pipe system that operates one water loop to simultaneously provide space heating and cooling with a water supply temperature of around 22°C.To analyze the energy performance of the system, a simulation-based research was conducted. The two-pipe system was modelled using the equation-based Modelica modeling language in Dymola.A typical office building model was considered as the case study. Simulations were run for two construction sets of the building envelope and two conditions related to inter-zone air flows. To calculate energy savings, a conventional four-pipe system was modelled and used for comparison.The conventional system presented two separated water loops for heating and cooling with supply temperatures of 45°C and 14°C, respectively. Simulation results showed that the two-pipe system was able to use less energy than the four-pipe system thanks to three effects: useful heat transfer from warm to cold zones, higher free cooling potential and higher efficiency of the heat pump. In particular, the two-pipe system used approximately between 12% and 18% less total annual primary energy than the four-pipe system, depending on the simulation case considered. KeywordsEnergy saving, HVAC systems, low-exergy, simulation, Modelica, active beams

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“…Miriel et al [24] presented results for a radiant heating and cooling experiment in a water ceiling panel in western France. Simulation models that allowed for yearlong simulations were developed for TRNSYS [30] and validated by experimental data.…”

Section: Literature Reviewmentioning

confidence: 99%

Passive energy management through increased thermal capacitance

Carpenter

Mago

Luck

et al. 2014

Energy and Buildings

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Energy usage within the world is increasing at a drastic rate. Buildings currently consume a major amount of the total energy used within the United States, and most of this energy usage supports heating and cooling. This demand shows that new passive energy management systems are needed. The use of Increased Thermal Capacitance (ITC) is proposed as a new passive energy management system. To increase thermal capacitance, a piping system is either added into a building's walls or ceiling. In this paper, a building with ITC added is compared to a similar building without ITC using the simulation program TRNSYS. Along with a comparison between the walls and ceiling, several parameters are analyzed for their effect on the performance of the ITC. ITC was found to be effective especially when located in the ceiling, with the location, specific heat and tank size being the most important factors. iii ACKNOWLEDGEMENTS

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Radiant ceiling panel heating–cooling systems: experimental and simulated study of the performances, thermal comfort and energy consumptions

Cited by 178 publications

References 3 publications

Thermal Ceramic Panels and Passive Systems in Mediterranean Housing: Energy Savings and Environmental Impacts

Thermal Ceramic Panels and Passive Systems in Mediterranean Housing: Energy Savings and Environmental Impacts

Energy saving potential of a two-pipe system for simultaneous heating and cooling of office buildings

Passive energy management through increased thermal capacitance

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