A Proposal for the Optimisation of Algorithms for the Calculation of the Energy Demands of Residential Housing

Pamela Hermosilla, Claudio Quiroz, Francisco Cabrejos and Felipe Muñoz-La Rivera
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Pamela Hermosilla: School of Computer Engineering, Pontificia Universidad Católica de Valparaíso, Av. Brasil 2147, Valparaíso 2340000, Chile
Claudio Quiroz: School of Computer Engineering, Pontificia Universidad Católica de Valparaíso, Av. Brasil 2147, Valparaíso 2340000, Chile
Francisco Cabrejos: School of Computer Engineering, Pontificia Universidad Católica de Valparaíso, Av. Brasil 2147, Valparaíso 2340000, Chile
Felipe Muñoz-La Rivera: School of Civil Engineering, Pontificia Universidad Católica de Valparaíso, Av. Brasil 2147, Valparaíso 2340000, Chile

Mathematics, 2021, vol. 9, issue 16, 1-28

Abstract: In response to increased energy consumption and CO 2 emissions, various energy efficiency policies, standards and housing certifications have emerged around the world. These aim to measure and quantify energy efficiency and endorse homes for meeting certain standards according to consistent categories that vary by continent or country. These energy rating systems correspond to a series of criteria and formulations that, through the calculation and combination of multiple variables, establish the classification values. In Chile, there is the Energy Rating System for Housing (CEV), which performs energy efficiency calculations using dynamic heat balance spreadsheets in Microsoft ® Excel. When applied for everyday use and at a large scale, this system has the disadvantage of requiring a great deal of processing time for each simulation. This research proposes an improvement to the CEV energy demand calculation mechanism by generating a solution that takes advantage of the use of multiprocessors and implements the various algorithms in the C programming language. The results show that the CEV values obtained with the proposed calculation engine are equal to those of the current system but demonstrate a 76.5% improvement in their processing time.

Keywords: energy efficiency; energy demand; residential housing; building performance simulation; high-performance computing; parallel processing (search for similar items in EconPapers)
JEL-codes: C (search for similar items in EconPapers)
Date: 2021
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