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Effect of Architectural Building Design Parameters on Thermal Comfort and Energy Consumption in Higher Education Buildings
It has been challenging for designers to identify the appropriate design parameters that would reduce building energy consumption while achieving thermal comfort for building occupants. This study aims to determine the most important architectural building design parameters (ABDPs) that can increase thermal comfort and reduce energy use in educational buildings. The effect of 15 ABDPs in an Australian educational lecture theatre and their variabilities on energy consumption and students’ thermal comfort for each parameter were analysed using Monte Carlo (MC) techniques. Two thousand simulations for every input parameter were performed based on the selected distribution using the Latin hypercube sampling (LHS) technique. Sensitivity analyses (SA) and uncertainty analyses (UA) were used to assess the most important ABDPs in terms of thermal discomfort hours and energy consumption. The study found that the ABDPs, such as cooling set-point temperatures and roof construction, significantly reduce the operative temperature by up to 14.2% and 20.0%, respectively. Consequently, these reductions could significantly shorten the thermal discomfort hours, thereby reducing energy consumption by 43.7% and 41.0%, respectively. The findings of this study enable building designers to identify which ABDPs have a substantial impact on thermal comfort and energy consumption.
Journal Article
CBE Clima Tool: A free and open-source web application for climate analysis tailored to sustainable building design
Climate-responsive building design holds immense potential for enhancing comfort, energy efficiency, and environmental sustainability. However, many social, cultural, and economic obstacles might prevent the wide adoption of designing climate-adapted buildings. One of these obstacles can be removed by enabling practitioners to easily access, visualize and analyze local climate data. The CBE Clima Tool (Clima) is a free and open-source web application that offers easy access to publicly available weather files and has been created for building energy simulation and design. It provides a series of interactive visualizations of the variables contained in the EnergyPlus Weather Files and several derived ones like the UTCI or the adaptive comfort indices. It is aimed at students, educators, and practitioners in the architecture and engineering fields. Since its inception, Clima’s user base has exhibited robust growth, attracting over 25,000 unique users annually from across 70 countries. Our tool is poised to revolutionize climate-adaptive building design, transcending geographical boundaries and fostering innovation in the architecture and engineering fields.
Journal Article
Maturity Attributes of Designing Out Waste for Building Design Firms in Lower-Income Countries: A Systematic Literature Review
The systemic adoption of ‘Design out Waste (DoW)’ strategies hold significant potentials for achieving the transition to ‘narrowing the loop’ of materials use and promoting regenerative design practices in the building sector. However, building design firms in lower-income countries lack maturity models that provide structured guidance to support the transition. This research conducted a systematic literature review of 61 journal articles to identify the maturity attributes that influence the effective adoption of DoW strategies in building design firms in lower-income countries. Seventeen maturity attributes were identified and categorized into five socio-technical dimensions. Among these, ‘Processes & Procedures’ emerged as the most influential, with ‘Social & Awareness’ identified as the most critical attribute. Moreover, the findings highlight the persistently limited synergy between technological capabilities and financial resources in effectively mitigating construction waste across the building lifecycle. Future research will focus on validating the identified attributes using feedback form industry practitioners and developing a maturity model to support the systemic implementation of DoW strategies in building design firms in lower-income countries.
Journal Article
Building Services Design for Energy-Efficient Buildings
The role and influence of building services engineers are undergoing rapid change and are pivotal to achieving low-carbon buildings. However, textbooks in the field have tended to remain fairly traditional with a detailed focus on the technicalities of heating, ventilation and air conditioning (HVAC) systems, often with little wider context. This book addresses that need by embracing a contemporary understanding of the urgent challenge to address climate change, together with practical approaches to energy efficiency and carbon mitigation for mechanical and electrical systems, in a concise manner.
The essential conceptual design issues for planning the principal building services systems that influence energy efficiency are examined in detail. These are HVAC and electrical systems. In addition, the following issues are addressed:
background issues on climate change, whole-life performance and design collaboration
generic strategies for energy-efficient, low-carbon design
health and wellbeing and post occupancy evaluation
building ventilation
air conditioning and HVAC system selection
thermal energy generation and distribution systems
low-energy approaches for thermal control
electrical systems, data collection, controls and monitoring
building thermal load assessment
building electric power load assessment
space planning and design integration with other disciplines.
In order to deliver buildings that help mitigate climate change impacts, a new perspective is required for building services engineers, from the initial conceptual design and throughout the design collaboration with other disciplines. This book provides a contemporary introduction and guide to this new approach, for students and practitioners alike.
eBook
Regenerative and Positive Impact Architecture
The book provides a solid grounding in the areas of energy-efficient building and building materials life-cycle assessment, discussing carbon efficiency within a wider context that includes its technical, socio-cultural and environmental dimensions and covers the key areas for green buildings performance (operational and embodied energy).
eBook