The Experts below are selected from a list of 12144 Experts worldwide ranked by ideXlab platform
Jlm Jan Hensen - One of the best experts on this subject based on the ideXlab platform.
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heating and cooling energy demand in Underground Buildings potential for saving in various climates and functions
Energy and Buildings, 2014Co-Authors: Van C Dronkelaar, Daniel D Costola, Rizki A Mangkuto, Jlm Jan HensenAbstract:Abstract Underground Buildings are pointed out as alternatives to conventional aboveground Buildings for reducing total energy requirements, while alleviating land use and location problems. This paper investigates the potential in reducing the heating and cooling energy demand of Underground Buildings compared to aboveground Buildings. Monthly calculations based on EN-ISO 13790 are performed to obtain the annual heating and cooling energy demand of aboveground and Underground Buildings for various climates, building functions and Underground depths. Uncertainty of input parameters is considered in the calculation, and sensitivity analysis is carried out. Energy reduction is achievable for all climates and functions when Underground and aboveground Buildings, but the magnitude is related to the combination of different design elements. Results show that 11% of cases analyzed can be considered near zero-energy Buildings (annual energy demand less than 10 kWh/m2 y). Sensitivity analysis indicates that the most influential parameters depend on the climate and building function. As expected, building functions with high internal gains perform better in cold climates, and the ones with low internal gains perform better in hot climates.
Van C Dronkelaar - One of the best experts on this subject based on the ideXlab platform.
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heating and cooling energy demand in Underground Buildings potential for saving in various climates and functions
Energy and Buildings, 2014Co-Authors: Van C Dronkelaar, Daniel D Costola, Rizki A Mangkuto, Jlm Jan HensenAbstract:Abstract Underground Buildings are pointed out as alternatives to conventional aboveground Buildings for reducing total energy requirements, while alleviating land use and location problems. This paper investigates the potential in reducing the heating and cooling energy demand of Underground Buildings compared to aboveground Buildings. Monthly calculations based on EN-ISO 13790 are performed to obtain the annual heating and cooling energy demand of aboveground and Underground Buildings for various climates, building functions and Underground depths. Uncertainty of input parameters is considered in the calculation, and sensitivity analysis is carried out. Energy reduction is achievable for all climates and functions when Underground and aboveground Buildings, but the magnitude is related to the combination of different design elements. Results show that 11% of cases analyzed can be considered near zero-energy Buildings (annual energy demand less than 10 kWh/m2 y). Sensitivity analysis indicates that the most influential parameters depend on the climate and building function. As expected, building functions with high internal gains perform better in cold climates, and the ones with low internal gains perform better in hot climates.
Rizki A Mangkuto - One of the best experts on this subject based on the ideXlab platform.
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heating and cooling energy demand in Underground Buildings potential for saving in various climates and functions
Energy and Buildings, 2014Co-Authors: Van C Dronkelaar, Daniel D Costola, Rizki A Mangkuto, Jlm Jan HensenAbstract:Abstract Underground Buildings are pointed out as alternatives to conventional aboveground Buildings for reducing total energy requirements, while alleviating land use and location problems. This paper investigates the potential in reducing the heating and cooling energy demand of Underground Buildings compared to aboveground Buildings. Monthly calculations based on EN-ISO 13790 are performed to obtain the annual heating and cooling energy demand of aboveground and Underground Buildings for various climates, building functions and Underground depths. Uncertainty of input parameters is considered in the calculation, and sensitivity analysis is carried out. Energy reduction is achievable for all climates and functions when Underground and aboveground Buildings, but the magnitude is related to the combination of different design elements. Results show that 11% of cases analyzed can be considered near zero-energy Buildings (annual energy demand less than 10 kWh/m2 y). Sensitivity analysis indicates that the most influential parameters depend on the climate and building function. As expected, building functions with high internal gains perform better in cold climates, and the ones with low internal gains perform better in hot climates.
Daniel D Costola - One of the best experts on this subject based on the ideXlab platform.
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heating and cooling energy demand in Underground Buildings potential for saving in various climates and functions
Energy and Buildings, 2014Co-Authors: Van C Dronkelaar, Daniel D Costola, Rizki A Mangkuto, Jlm Jan HensenAbstract:Abstract Underground Buildings are pointed out as alternatives to conventional aboveground Buildings for reducing total energy requirements, while alleviating land use and location problems. This paper investigates the potential in reducing the heating and cooling energy demand of Underground Buildings compared to aboveground Buildings. Monthly calculations based on EN-ISO 13790 are performed to obtain the annual heating and cooling energy demand of aboveground and Underground Buildings for various climates, building functions and Underground depths. Uncertainty of input parameters is considered in the calculation, and sensitivity analysis is carried out. Energy reduction is achievable for all climates and functions when Underground and aboveground Buildings, but the magnitude is related to the combination of different design elements. Results show that 11% of cases analyzed can be considered near zero-energy Buildings (annual energy demand less than 10 kWh/m2 y). Sensitivity analysis indicates that the most influential parameters depend on the climate and building function. As expected, building functions with high internal gains perform better in cold climates, and the ones with low internal gains perform better in hot climates.
Tiecheng Zhou - One of the best experts on this subject based on the ideXlab platform.
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a network model for natural ventilation simulation in deep buried Underground structures
Building and Environment, 2019Co-Authors: Yimin Xiao, Godfried Augenbroe, Jianli Chen, Tiecheng ZhouAbstract:Abstract The study of Underground natural ventilation opportunities has become increasingly significant in recent years with its promise of wide application in Underground structures such as Underground hydro power stations, metro stations, Underground parking and laboratories. It is recognized that deployment of natural ventilation constitutes a passive technology that can lead to significant energy conservation if applied judiciously. This paper focuses on Underground Buildings that are buried deeply and typically consist of an Underground complex network of connected structures. The other characteristic is that these structures house machinery and devices that generate heat, leading to elevated internal air temperatures. Combined with the deep location, it implies that buoyancy forces are significant which make natural ventilation through vertical shaft openings a viable option. These characteristics demand a study of the heat transfer processes between ambient conditions, soil and Underground Buildings. In this paper, we present a dynamic flow network model with loops for multizone airflow and apply it to deep buried Underground structures considering the dominant heat transfer characteristics, not only through the elements of the network but also the heat exchange with the envelope and adjacent soil mass. Finally, a small-scale experiment of occurring airflow is conducted and compared with the outcomes of the dynamic simulation of the proposed model. The comparison serves as validation and illustration of the application potential of the network model for natural ventilation investigation and consecutive optimization of its use in Underground Buildings.
