Thermal Behaviour Analysis and Cost-Saving Opportunities of PCM-Integrated Terracotta Brick Buildings

Table 2

Elements used for the thermoeconomic analysis.

S. No.	Elements	Value
1	Annual cooling degree-hours (CDH18^oC) (°C-hours) in ahmedabad and lucknow	82440 and 6614
2	Annual heating degree-hours (HDH18^oC) (°C-hours) in ahmedabad and lucknow	264 and 4512
3	Outside and inside heat transfer coefficients (hoand hi) (W/m^2K)	25.00 and 7.70
4	Coefficient of performance (COP)	2.50
5	Unit cost of electricity (Ce) ($/kWh)	0.082
6	Unit cost of natural gas (Cn) ($/kWh)	0.014
7	Efficiency (η)	0.80
8	Mass of CO2 emission rates per unit usage of electricity (p1) (kg//kWh)	0.98 x 1.60
9	Mass of CO2 emission rates per unit usage of natural gas (p2) (kg//kWh)	0.18
10	Material cost of PCMs (Ci) ($/kg) COM18,CHS22, COM29, COM32, and COM37	3.75, 1.26, 4.29, 2.68, and 2.86
11	Inflation rate (i)	7.6%
12	Discount rate (d)	6.6%