Heat Storage Composite Wall, Ventilation Application

2012 ◽  
Vol 608-609 ◽  
pp. 1737-1740
Author(s):  
Jing Bo Zhao

The article mainly describes the complex wall in the building structure design and thermal storage wall is arranged on the application; composite wall laid in phase change heat storage module technology; heat storage composite wall summer application characteristics and feasibility; soil air exchanger application and building air conditioning system energy saving effect. Full description of composite wall in different seasons of the feasibility and effect of energy saving.

2019 ◽  
Vol 102 ◽  
pp. 122-129 ◽  
Author(s):  
Leyan Pan ◽  
Cichong Liu ◽  
Ziqi Zhang ◽  
Tianying Wang ◽  
Junye Shi ◽  
...  

2013 ◽  
Vol 732-733 ◽  
pp. 615-619
Author(s):  
Jia Shi Chen ◽  
Zheng Song Wu ◽  
Yang Liu ◽  
Shan Chi Lin

A model reference adaptive control (MRAC) algorithm is proposed to the air-conditioning system of variable air volume (VAV) terminal units (VAV BOX). The study of temperature controlling parameters in room area (Zone) is based on Lyapunov stability theory. We built the simulation model in Matlab to validate the superior controlling performance and good energy saving effect of the algorithm. The research shows that the energy consumption release 60% ~70% in larger room. In modern building, the energy saving and comfort is very important, so the simulation has important engineering practical value.


2010 ◽  
Vol 171-172 ◽  
pp. 201-204 ◽  
Author(s):  
Jin Wang ◽  
Xin Lin Li ◽  
Shu Sheng Li

In spring, autumn and winter, centralized air conditioning system frequently produces excessive cooling, if we use both air-energy saving system and water-energy saving system for directly cooling, replacing the chiller cooling, we can achieve the objective of energy saving. This paper introduces the air and water-energy saving system operation strategies to determine the operation control methods of different seasons. Through case analysis, it shows that this design is feasible. The system is stable and easy to control and management. It has obvious effect of energy-saving. If the air-energy saving system and water-energy saving system mode is adopted, the add-on investment of equipment can be recovered within one year, with a better economic benefits.


2020 ◽  
pp. 130-140
Author(s):  
Guozeng Wu , Tao Li , Yijin Gang

On the basis of ensuring the requirements of process air parameters, the air conditioning control should reduce the energy consumption of the air conditioning system to the maximum extent. In this paper, by improving the adjusting speed and stability of the air conditioning system, and according to the process of environmental indicators allow deviation of belt, on the premise of not beyond the maximum technical index requirements by control algorithm to achieve better energy saving effect.


2012 ◽  
Vol 256-259 ◽  
pp. 2640-2643
Author(s):  
Zi Jing Zhang ◽  
Bo Wen ◽  
Zhi Dong Lv

Air-conditioning and ventilation system which control temperature and humidity was designed in this paper. Its aim was to ensure the production process and meet the comfort requirements of workers. Considering that web press equipment load account for large proportion of the total load, we separated out the area of web press and the waste heat was discharged by ventilation system. We adopted Stratified air conditioning on the remaining area because the whole workshop is large space. By means of calculation, energy saving rate of stratified air conditioning system is 25.6% and the refrigerating capacity is reduced by this way of design. Energy-saving effect is remarkable. So it’s a good method to energy conservation.


2011 ◽  
Vol 71-78 ◽  
pp. 3657-3661 ◽  
Author(s):  
Wei Lin Guo ◽  
Chao He ◽  
Teruyuki Fukuhara

This paper presents an experimental study on the energy saving effect of reflective coatings on exterior walls. Two identical test buildings were built in Zhejiang College of Construction, one of which is covered with reflective coatings and the other not. The wall temperature fluctuation of both buildings is monitored in summer, which includes the east, south and west walls. The results indicate that the maximum reduction of wall temperature is 9-10 °C in the building with reflective coatings, compared with wall temperature in the other without it. The reduction in heat gain of east, south and west walls is obvious, so is the cooling effect. The reduction in electricity consumption of air-conditioning system in the building with reflective coatings is 0.94 KWh/m2 per month times by calculation, which well proves the energy saving effect of reflective coatings.


2013 ◽  
Vol 427-429 ◽  
pp. 368-371
Author(s):  
Chao He ◽  
Yang Wang ◽  
Yi Bin Chen ◽  
Teruyuki Fukuhara

In order to discuss the effect of energy saving of heat-reflective insulation coating on exterior walls of building, the wall temperature change of two test rooms with heat insulation or not in Hangzhou has been monitored in summer, and the heat flux data of east, south and west walls were analyzed. The results indicate that the reflective coatings reduce the exterior surface temperature by up to 7 to 8°C. The reduction in heat gain of east, south and west walls is significant, which is the cooling effect. The total surface heat gain of exterior walls without reflective coatings is 2.44 times larger than those without them. In particular, the heat gain of walls with reflective coatings is nearly 5.27 times more than that of walls without reflective coatings. The reduction in electricity consumption of air-conditioning system in the building with reflective coatings is 2.5KWh/m2 per month by calculation, which well proves the energy saving effect of reflective coatings.


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