Abstract
In this paper details about the results of a code-to-code validation procedure of an in-house developed building simulation model, called DETECt, are reported. The tool was developed for research purposes in order to carry out dynamic building energy performance and parametric analyses by taking into account new building envelope integrated technologies, novel construction materials and innovative energy saving strategies. The reliability and accuracy of DETECt was appropriately tested by means of the standard BESTEST validation procedure. In the paper, details of this validation process are accurately described. A good agreement between the obtained results and all the reference data of the BESTEST qualification cases is achieved. In particular, the obtained results vs. standard BESTEST output are always within the provided ranges of confidence. In addition, several test cases output obtained by DETECt (e.g., dynamic profiles of indoor air and building surfaces temperature and heat fluxes and spatial trends of temperature across walls) are provided.
Highlights
Since the early 1970s, building energy performance simulation (BEPS) tools have played a crucial role in the assessment of the environmental and energy-related impacts of buildings, which represent the largest energy consuming sector in the developed world [1]
Despite of the availability of commercial BEPS codes, new in-house simulation models are developed for research aims and, more in general, for implementing new unreleased energy efficiency measures, which are necessary and recommended for the design of the generation of buildings, such as NZEBs [5,14,15]
Model [63]: empirical validation, analytical verification and comparative testing. The difference among such approaches depends on the way in which the calculated outputs or results obtained by a program, subroutine, algorithm or software object are compared to some data considered as reference ones
Summary
Since the early 1970s, building energy performance simulation (BEPS) tools have played a crucial role in the assessment of the environmental and energy-related impacts of buildings, which represent the largest energy consuming sector in the developed world [1]. This paper is focused on this framework It describes the most important steps and outcomes obtained by following the BESTEST validation procedure, purposely adopted for the diagnosis and validation of a dynamic BEPS tool, named DETECt and developed for research aims by Buonomano and Palombo [25]. This code is able to dynamically predict the thermal behavior of mono and multi-zone (and multistory) buildings and to assess the benefits of different and advanced building envelope techniques in case of different weather locations, envelope materials ( including integrated phase change materials and solar based technologies), building shapes, orientations and geometries. Some graphics about the temperature and heat fluxes dynamic trends and spatial temperature gradients into walls are reported
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