Energy Storage Night Cooling Project

Is night ventilation a good cooling strategy?

Night ventilation is regarded as a promising cooling strategy by storing night cooling in the thermal mass of the building. However, night ventilation performance in hot summer is restricted by the climatic limits.

How does reducing daytime cooling load affect a building's ventilation potential?

3.2. Cooling load parameters and reducing daytime cooling loads The night ventilation potential is significantly improved by the increased cooling energy demand of the building as the increased cooling demand created at night results in more available energy stored in the building during the day.

Can night ventilation save energy?

A review of control systems, and supplementary cooling coupled with night ventilation. The rising costs of energy usage in the building sector have intensified research interest in passive energy saving strategies such as night ventilation (NV).

Does enhanced night-time ventilation reduce energy demand in buildings?

Vidrih et al. examined the influence of enhanced night-time ventilation for free cooling, and the decrease of energy demand in buildings. The study focused on obtaining control matrices from a generalized model-based predictive weather control algorithm (G-MPWC).

Does night cooling reduce daytime cooling demand?

Mechanical cooling (air-conditioning and fan-forced ventilation) In many studies, the use of night ventilation reduced the daytime cooling demand of air-conditioners. Geros et al. found that night cooling created an average reduction of 3.0 °C when night air-conditioning was used (or 0.2 °C when passive ventilation was used).

Can wall-attached jet ventilation improve night ventilation performance?

The principle of the proposed system is to utilize the wall-attached jet ventilation to achieve forced convection and to adopt latent energy storage of PCMW to enlarge the energy storage density capabilities, and the coupling method is expected to improve the night ventilation performance.