Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
The residential stock is one of the key consumers of energy and hence is important in the drive to reduce both national and global CO2 emissions. A comprehensive domestic stock energy and carbon model is seen as a useful tool to provide policymakers with estimates for the effectiveness of policies and can help to identify the most beneficial technological measures. This thesis describes the development of the first domestic energy and carbon model in Serbia which has been used to investigate the technological feasibility of achieving space heating energy consumption and associated CO2 emission reductions within Belgrade’s housing stock by 2030. BElgrade’s Domestic and Energy and carbon Model combines external and on-site generated data, the whole building dynamic energy simulation software ‘TRNSYS’, and a generic optimisation program called ‘GenOpt’. Whilst this model is primarily demand side orientated, it also considers changes in energy efficiency on the supply side. The BEDEM model has been used to develop five probabilistic explorative scenarios, namely: a ‘Base Model’, a ‘Demand 1’, a ‘Demand 2’, a ‘Supply’, and a ‘Demand 2 and Supply’ scenario. The overall results suggest that the largest domestic space heating energy reductions could be achieved by combining the energy-efficiency performance upgrade of dwelling fabrics and district heating system seasonal efficiency improvement. Yet, in the shorter-term, the improvement of the district heating system’s seasonal efficiency is the most beneficial measure. While the model is of considerable value as a policy tool, the results of uncertainty analyses revealed that a lack of knowledge of just a few key input parameters generate rather large uncertainty in the model predictions. Therefore, for any recommendations based on model predictions to be of use in policy formation, the models need to be validated against existing data and uncertainties within the model investigated thoroughly and, where possible, quantified.
The residential stock is one of the key consumers of energy and hence is important in the drive to reduce both national and global CO2 emissions. A comprehensive domestic stock energy and carbon model is seen as a useful tool to provide policymakers with estimates for the effectiveness of policies and can help to identify the most beneficial technological measures. This thesis describes the development of the first domestic energy and carbon model in Serbia which has been used to investigate the technological feasibility of achieving space heating energy consumption and associated CO2 emission reductions within Belgrade’s housing stock by 2030. BElgrade’s Domestic and Energy and carbon Model combines external and on-site generated data, the whole building dynamic energy simulation software ‘TRNSYS’, and a generic optimisation program called ‘GenOpt’. Whilst this model is primarily demand side orientated, it also considers changes in energy efficiency on the supply side. The BEDEM model has been used to develop five probabilistic explorative scenarios, namely: a ‘Base Model’, a ‘Demand 1’, a ‘Demand 2’, a ‘Supply’, and a ‘Demand 2 and Supply’ scenario. The overall results suggest that the largest domestic space heating energy reductions could be achieved by combining the energy-efficiency performance upgrade of dwelling fabrics and district heating system seasonal efficiency improvement. Yet, in the shorter-term, the improvement of the district heating system’s seasonal efficiency is the most beneficial measure. While the model is of considerable value as a policy tool, the results of uncertainty analyses revealed that a lack of knowledge of just a few key input parameters generate rather large uncertainty in the model predictions. Therefore, for any recommendations based on model predictions to be of use in policy formation, the models need to be validated against existing data and uncertainties within the model investigated thoroughly and, where possible, quantified.
A city scale physically disaggregated bottom-up energy model: technical options for decarbonising Belgrade residential stock
28.10.2013
Doctoral thesis, UCL (University College London).
Hochschulschrift
Elektronische Ressource
Englisch
DDC:
690
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