CUED Publications database

Exploring the impact of different parameterisations of occupant-related internal loads in building energy simulation

Ward, R and Choudhary, R and Heo, Y and Rysanek, A (2016) Exploring the impact of different parameterisations of occupant-related internal loads in building energy simulation. Energy and Buildings, 123. pp. 92-105. ISSN 0378-7788

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Abstract

© 2016 The Authors. Published by Elsevier B.V. A building energy simulation relies on accurate parameterisation of occupant-related internal loads to simulate a realistic energy balance within a building. The internal loads are inextricably linked to occupant behaviour, both directly through the contribution of occupant heat output to thermal energy balance and indirectly via the interactions between occupants, appliances and building services. While occupancy itself is difficult to measure directly, most buildings possess a wealth of data in the form of monitored electricity consumption in varying degrees of resolution. These data, particularly plug loads, may be used to inform the model of occupant-related internal loads. Different approaches to parameterisation of plug loads have been investigated, with the purpose of exploring the conditions that might lead to preference of one approach over another. The models have been tested through a case study and simulation results have been compared against a range of response variables. Conclusions have been drawn as to the most important features of plug load parameterisation for a model to be used for forecasting future demand.

Item Type: Article
Subjects: UNSPECIFIED
Divisions: Div D > Structures
Depositing User: Cron Job
Date Deposited: 17 Jul 2017 19:30
Last Modified: 16 Nov 2017 02:17
DOI: