Assessment of CO2 emissions associated with HVAC system in buildings equipped with phase change materials

被引：25

作者：

Farouk, Naeim ^{[1
,2
]}

Abd El-Rahman, Magda ^{[3
,4
,5
,6
]}

Sharifpur, Mohsen ^{[5
,6
,7
]}

Guo, Wei

机构：

[1] Prince Sattam Bin Abdulaziz Univ, Coll Engn, Mech Engn Dept, Alkharj 16273, Saudi Arabia

[2] Red Sea Univ Port Sudan, Fac Engn, Mech Engn Dept, Pt Sudan, Sudan

[3] King Khalid Univ, Coll Sci, Dept Phys, Abha, Saudi Arabia

[4] Atom Energy Author, NCRRT, Dept Radiat Phys, Cairo, Egypt

[5] Univ Pretoria, Dept Mech & Aeronaut Engn, Pretoria, South Africa

[6] China Med Univ, China Med Univ Hosp, Dept Med Res, Taichung, Taiwan

[7] Guangdong Univ Finance, Sch Credit Management, Guangzhou 510521, Peoples R China

来源：

JOURNAL OF BUILDING ENGINEERING | 2022年 / 51卷

关键词：

Building; PCM; CO2; emission; Annual analysis; ENERGY; COST; CONVECTION; GENERATION; EFFICIENCY; ANNULUS; WALLS; FLOW;

D O I：

10.1016/j.jobe.2022.104236

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

In this study, the effect of PCM on reducing carbon dioxide emissions from the building associated with heating ventilation and air conditioning sector (HVAC) was investigated. Studies showed that a thickness of 8 cm of Polystyrene insulation is optimal for buildings in Riyadh. Therefore, in three cases, five different PCM types were added to the walls. In the first and second cases, the insulation thickness was 8 and 4 cm, respectively, and in the third case, the insulation was completely removed. The effect of PCM was assessed by evaluating the reduction in carbon dioxide emissions. PCM25HC was selected as the best candidate to reduce carbon dioxide emissions by recording 61.3%, 60.1%, and 65% in all cases. The presence of insulation with PCM reduced carbon dioxide emissions associated with the HVAC section. The effect of PCM reached its maximum in the third case, where there was no insulation. In the third case, for PCM18HC, PCM21HC, PCM24HC, PCM25HC, PCM26 and PCM28HC, as much as 13780, 22734, 23737, 24963, 16310 and 13780 kg, less CO2 was released.

引用

页数：14

共 58 条

[1] 3-D numerical investigation of natural convection in a tilted cylindrical annulus containing molten potassium and controlling it using various magnetic fields [J].