Thermal characterization of an interior space of colonial architecture in Arequipa, comparative analysis of thermal transmittance of ignimbrite (sillar) envelope and contemporary material (drywall)

Identifier:  imarina:9369198

Handle: https://hdl.handle.net/20.500.11797/imarina9369198

Authors:  Cuzziramos-Gutiérrez F; Paredes-Malma D; Coll-Pla S

Abstract:
Arequipa is characterized by the cyclical occurrence of earthquakes, which has conditioned the construction systems and the application of local materials to its architecture, as is the case of the colonial houses in the historic center that stand out for the use of ignimbrite (sillar) in the thermal envelope, currently the colonial architecture has been replaced by constructions of framed structures, where the enclosures are being carried out mainly by dry construction (drywall). The objective of the study is the thermal characterization of interior environments in an office in a colonial construction with ignimbrite fabric, in comparison with offices made with contemporary materials like drywall construction system. The applied methodology consists: (i) modeling the thickness of the thermal envelopes, (ii) taking surface temperature measurements with a thermographic camera and ambient temperature with sensors, (iii) modeling the evolution of thermal transmittance with measurements of heat and relative humidity; and (iv) development of the comparative analysis of thermal transmittance between the office environments studied. For the colonial construction office, during the rainy season, maximum indoor ambient temperature values of 22,041 ºC were obtained and the maximum indoor relative humidity was 59,384 %; on the other hand, in the dry construction it was found that the maximum interior ambient temperature was 23.381 ºC, and the maximum interior relative humidity was 57.22 %. The thermal characterization allowed the comparison of the thermal performance between interior environments with ignimbrite factories (sillar) and dry construction (drywall) in order to understand the thermal comfort of the users who inhabit the offices.