Impacts of changing design considerations on the life cycle carbon emissions of solar photovoltaic systems

2016 ◽  
Vol 183 ◽  
pp. 1471-1487 ◽  
Author(s):  
Victor Nian
Author(s):  
Vishakha Baharwani ◽  
Neetu Meena ◽  
Alka Dubey ◽  
Deepak Sharma ◽  
Urmila Brighu ◽  
...  

2020 ◽  
Vol 38 (5) ◽  
pp. 1998-2018 ◽  
Author(s):  
Zhixing Luo ◽  
Yiqing Lu

This study employed the bottom-up life cycle assessment method, examining the life cycle carbon emissions of three dwellings constructed at different times with different techniques in Yinchuan City, China, i.e. traditional earth brick dwelling (Case 1), brick–straw bale dwelling (Case 2), wood–straw solar energy dwelling (Case 3). The study aimed to find the methods of reducing carbon emissions, so as to slow down the global warming. The results showed that (1) with excellent thermal insulation properties, straw bale was remarkably effective in reducing carbon emissions from heating at the use stage; (2) 15 kWp solar photovoltaic panels contributed to offsetting the carbon emission of the dwelling; (3) straw bales and logs could store the carbon in building envelope, which partly offset the carbon emissions. The findings of this study have proved that ecological building materials and solar photovoltaic system have great potential in reducing carbon emissions of buildings, and can provide a basis for the design and material selection of future dwellings in order to promote the development of green dwellings.


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