Search Results - subject:"cooling load"

Assessment of the Economic and Environmental Impact of Double Glazed Façade Ventilation Systems in Mediterranean Climates

Valentín, David; Guardo, Alfredo; Egusquiza, Eduard; … - In: Energies 6 (2013) 10, pp. 5069-5087

Free convection is the most often used method in order to reduce solar load gains on a building with double glazed façades (DGFs). However, depending on the climate factors, the thermal performance of a DGF may not be satisfactory and extra energy costs are required to obtain suitable comfort...

Persistent link: https://www.econbiz.de/10011031367

Impacts of Ventilation Ratio and Vent Balance on Cooling Load and Air Flow of Naturally Ventilated Attics

Wang, Shimin; Shen, Zhigang - In: Energies 5 (2012) 9, pp. 3218-3232

The impacts of ventilation ratio and vent balance on cooling load and air flow of naturally ventilated attics are … the soffit regions. It is demonstrated that an increase in ventilation ratio will reduce attic cooling load. Compared with … flow rate and minimizing cooling load for attics with ventilation ratio lower than 1/100. For attics with ventilation …

Persistent link: https://www.econbiz.de/10010668126

Experimental study on calculation method of the radiant time factors

Lv, Liugen; Huang, Chen; Li, Li; Chen, Jianchang - In: Renewable Energy 73 (2015) C, pp. 28-35

A calculation method of radiant time factors is presented and the method is used to calculate radiant cooling load … cooling load can be calculated through convection and radiation separating method. Transfer function is obtained and 24-term … time factors to calculate radiant cooling load in air conditioning building. …

Persistent link: https://www.econbiz.de/10010939614

Application of super-insulating translucent silica aerogel glazing system on commercial building envelope of humid subtropical climates – Impact on space cooling load

Huang, Yu; Niu, Jian-lei - In: Energy 83 (2015) C, pp. 316-325

Solar radiation through glazing area is one major source of the space cooling load in subtropical cooling … conditioning) system energy analysis was also conducted based on the space cooling load simulation. The result indicated that in … cooling load by around 4% in a typical commercial building. With respect to the envelope heat gain, the reduction could be …

Persistent link: https://www.econbiz.de/10011264380

Optimum insulation thickness for external walls on different orientations considering the speed and direction of the wind

Axaopoulos, Ioannis; Axaopoulos, Petros; Gelegenis, John - In: Applied Energy 117 (2014) C, pp. 167-175

Thermal insulation is generally installed in the envelope of residential buildings to improve their thermal performance. However, the selection of the optimum insulation thickness requires a detailed thermal energy and economic analysis. This paper determines the optimum insulation thickness for...

Persistent link: https://www.econbiz.de/10010737703

Development of operational guidelines for thermally activated building system according to heating and cooling load characteristics

Lim, Jae-Han; Song, Jin-Hee; Song, Seung-Yeong - In: Applied Energy 126 (2014) C, pp. 123-135

according to the heating and cooling load characteristics of a specific campus building. The load characteristics of the …

Persistent link: https://www.econbiz.de/10010776578

Seasonal cooling load reduction of building by thermosyphon heat pipe radiator in different climate areas

Chotivisarut, Nammont; Nuntaphan, Atipoang; … - In: Renewable Energy 38 (2012) 1, pp. 188-194

generate cooling water during the nighttime was proposed. The cooling water could be used to serve the cooling load in a room … those of the experimental data. The model was used to find out the possibility of this concept for seasonal cooling load …. Cooling water was produced during winter and used to serve cooling load in an air-conditioned building in summer. It found …

Persistent link: https://www.econbiz.de/10010805683

A new scheme for cooling tower water conservation in arid-zone countries

Al-Bassam, E.; Maheshwari, G.P. - In: Energy 36 (2011) 7, pp. 3985-3991

, which is generally not available naturally. CTs are selected when the maximal cooling load is desired and under the worst …

Persistent link: https://www.econbiz.de/10010811259

A new approach for predicting cooling degree-hours and energy requirements in buildings

Oktay, Z.; Coskun, C.; Dincer, I. - In: Energy 36 (2011) 8, pp. 4855-4863

This study develops a novel approach to predict the outdoor temperature fluctuations during daytime as a dimensionless temperature variation coefficient. In this approach, the daily outdoor temperature trend is established by using the daily maximum and minimum temperatures. A case study is...

Persistent link: https://www.econbiz.de/10010811526

Feasibility study on novel hybrid ground coupled heat pump system with nocturnal cooling radiator for cooling load dominated buildings

Man, Yi; Yang, Hongxing; Spitler, Jeffrey D.; Fang, Zhaohong - In: Applied Energy 88 (2011) 11, pp. 4160-4171

When the ground coupled heat pump (GCHP) system is utilized for air conditioning in cooling load dominated buildings … to use NCR serves as supplemental heat rejecter of the novel HGCHP system for cooling load dominated buildings even those … cooling load dominated buildings, and it is especially suitable for buildings with limited surface land areas. …

Persistent link: https://www.econbiz.de/10010572086