Building Energy Simulation : A Workbook Using DesignBuilder™ book cover
2nd Edition

Building Energy Simulation
A Workbook Using DesignBuilder™

ISBN 9780367374686
Published September 7, 2020 by CRC Press
740 Pages 972 B/W Illustrations

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Book Description

The second edition of Building Energy Simulation includes studies of various components and systems of buildings and their effect on energy consumption, with the help of DesignBuilderTM, a front-end for the EnergyPlus simulation engine, supported by examples and exercises. The book employs a "learning by doing" methodology. It explains simulation-input parameters and how-to-do analysis of the simulation output, in the process explaining building physics and energy simulation. Divided into three sections, it covers the fundamentals of energy simulation followed by advanced topics in energy simulation and simulation for compliance with building codes and detailed case studies for comprehensive building energy simulation.


Focuses on learning building energy simulation while being interactive through examples and exercises.

Explains the building physics and the science behind the energy performance of buildings.

Encourages an integrated design approach by explaining the interactions between various building systems and their effect on energy performance of building.

Discusses a how-to model for building energy code compliance including three projects to practice whole building simulation.

Provides hands-on training of building energy simulation tools: DesignBuilder™ and EnergyPlus.

    Includes practical projects problems, appendices and CAD files in the e-resources section.

    Building Energy Simulation is intended for students and researchers in building energy courses, energy simulation professionals, and architects.

    Table of Contents

    1. Getting Started with Energy Simulation 
    Building Energy Simulation 
    What Is Needed for Energy Simulation 
    How Simulation Software Works 
    Tutorial 1.1: Opening and simulating an example file 
    Tutorial 1.2: Creating a single-zone model
    Tutorial 1.3: Evaluating the Impact of building location and orientation 
    Tutorial 1.4: Evaluating the impact of opaque envelope components 
    Tutorial 1.5: Evaluating the impact of WWR and glass type 
    Tutorial 1.6: Evaluating the impact of occupancy density 
    Tutorial 1.7: Evaluating the impact of space activity 
    Tutorial 1.8: Evaluating the impact of lighting and equipment power 
    Tutorial 1.9: Evaluating the impact of daylight controls 
    Tutorial 1.10: Evaluating the impact of setpoint temperature 
    Tutorial 1.11: Evaluating the impact of fresh air supply 
    2. Geometry of Buildings 
    Tutorial 2.1: Defining thermal zoning for a building 
    Tutorial 2.2: Evaluating the effect of a zone multiplier 
    Tutorial 2.3: Evaluating the impact of the aspect ratio 
    Tutorial 2.4: Evaluating the impact of adjacency of the surface 
    3. Material and Construction 
    Tutorial 3.1: Evaluating the effect of lightweight and heavyweight construction 
    Tutorial 3.2: Evaluating the impact of roof insulation 
    Tutorial 3.3: Evaluating the impact of the position of roof insulation 
    Tutorial 3.4: Evaluating the impact of the air gap between roof layers 
    Tutorial 3.5: Evaluating the impact of surface reflectance 
    Tutorial 3.6: Evaluating the impact of roof underdeck radiant barrier 
    Tutorial 3.7: Evaluating the impact of a green roof 
    Tutorial 3.8: Evaluating the impact phase change material (PCM) in external wall 
    4. Openings and Shading 
    Tutorial 4.1: Evaluating the impact of window-to-wall ratio and glazing type 
    Tutorial 4.2: Evaluating the impact of overhangs and fins 
    Tutorial 4.3: Evaluating the impact of internal operable shades 
    Tutorial 4.4: Evaluating the impact of electrochromic switchable glazing on windows solar gains 
    5. Lighting and Controls 
    Tutorial 5.1: Evaluating the impact of daylighting-based controls 
    Tutorial 5.2: Evaluating the impact of daylight sensor placement 
    Tutorial 5.3: Evaluating the impact of window external shades and WWR on daylight performance
    6. Heating and Cooling Design 
    Tutorial 6.1: Evaluating the impact of temperature control types 
    Tutorial 6.2: Evaluating the impact of design day selection 
    Tutorial 6.3: Evaluating the impact of the airflow calculation method 
    7. Unitary HVAC Systems 
    Tutorial 7.1: Evaluating the impact of unitary air conditioner Coefficient of Performance (COP) 
    Tutorial 7.2: Evaluating the impact of the fan efficiency of a unitary air-conditioning system 
    Tutorial 7.3: Evaluating the impact of fan pressure rise 
    Tutorial 7.4: Evaluating Impact of heat pumps on heating energy consumption 
    8. Heating, Ventilation and Air Conditioning: Central Water Side 
    Tutorial 8.1: Evaluating the impact of air- and water-cooled chillers 
    Tutorial 8.2: Evaluating the impact of variable speed drive (VSD) on a chiller 
    Tutorial 8.3: Evaluating the impact of VSD on a chilled-water pump 
    Tutorial 8.4: Evaluating the impact of a cooling tower fan type 
    Tutorial 8.5: Evaluating the impact of condenser water pump with a VSD 
    Tutorial 8.6: Evaluating the impact of boiler nominal thermal efficiency 
    Tutorial 8.7: Evaluating impact of chiller sequencing 
    Tutorial 8.8: Evaluating impact of thermal storage and time-of-use tariff 
    9. Heating, Ventilation and Air Conditioning: Central Air Side 
    Tutorial 9.1: Evaluating the impact of an air-side economiser 
    Tutorial 9.2: Evaluating the impact of a supply air fan operating mode during unoccupied hours 
    Tutorial 9.3: Evaluating the impact of heat recovery between fresh and exhaust air 
    Tutorial 9.4: Evaluating Impact of Variable-Refrigerant-Flow (VRF) system 
    Tutorial 9.5: Evaluating Impact of Demand Control Ventilation 
    10. Natural Ventilation 
    Tutorial 10.1: Evaluating the impact of wind speed on natural ventilation 
    Tutorial 10.2: Evaluating the impact of natural ventilation with constant wind speed and direction 
    Tutorial 10.3: Evaluating the impact of window opening and closing schedule 
    Tutorial 10.4: Evaluating the impact of window opening control based on temperature 
    Tutorial 10.5: Evaluating the impact of window opening area modulation on natural ventilation 
    Tutorial 10.6: Evaluating the impact of mixed-mode operation 
    11. Simulation Parameters 
    Tutorial 11.1: Evaluating the impact of time steps per hour on run time 
    Tutorial 11.2: Evaluating the impact of the solar distribution algorithm 
    Tutorial 11.3: Evaluating the impact of the solution algorithm 
    Tutorial 11.4: Evaluating the effect of the inside convection algorithm 
    Tutorial 11.5: Evaluating the impact of the shadowing interval 
    12. Renewable Energy System 
    Tutorial 12.1: Evaluating the impact of Photovoltaic (PV) Panel tilt angle 
    Tutorial 12.2: Evaluating the impact of shading from rooftop PV panels 
    Tutorial 12.3: Evaluating the impact of cell efficiency of PV panels
    Tutorial 12.4: Evaluating the performance of glazing-integrated PV panels 
    Tutorial 12.5: Evaluatingthe performance of opaque building-integrated PV panels    
    13. Costing, Sensitivity and Uncertainty Analysis 
    Tutorial 13.1: Selecting glazing using cost-benefit analysis 
    Tutorial 13.2: Selecting a HVAC system using cost-benefit analysis 
    Tutorial 13.3: Performing sensitivity and uncertainty analysis    
    14. Building Energy Code Compliance 
    Tutorial 14.1: Modelling building performance in four orientations 
    Tutorial 14.2: Creating the base-case external wall for ASHRAE Standard 90.1-2010 Appendix G 
    Tutorial 14.3: Modelling flush windows for the base case 
    Tutorial 14.4: Selecting a HVAC system for the base case 
    Tutorial 14.5: Calculating fan power for the base case 
    Tutorial 14.6: Understanding fan cycling 
    Tutorial 14.7: Specifying room-air-to-supply-air temperature difference 
    Tutorial 14.8: Number of chillers in the base case 
    Tutorial 14.9: Defining the chilled-water supply temperature reset for the base case 
    Tutorial 14.10: Type and number of boilers for the base case 
    Tutorial 14.11: Defining the hot-water supply temperature reset 
    Tutorial 14.12: Hot-water pumps 
    Tutorial 14.13: Defining exhaust air energy recovery parameters 
    Tutorial 14.14: Defining economiser parameters 
    Tutorial 14.15: Finding unmet hours after simulation 
    Tutorial 14.16: Generating the performance rating method compliance report in DesignBuilder 
    Tutorial 14.17: Finding process load for the base case 
    Tutorial 14.18: Getting the ASHRAE 62.1 standard summary in DesignBuilder 
    Tutorial 14.19: Automating baseline building model creation 

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    Vishal Garg is professor and head of the Center for IT in Building Science, International Institute of Information Technology (IIIT), Hyderabad, India. His current research interests are in the areas of energy simulation, smart homes and cool roofs. He teaches building automation and controls, energy simulation, and illumination engineering. He has conducted several national and international workshops on intelligent buildings, green buildings and energy simulation. He holds a BTech (Hons.) degree in civil engineering from MBM Engineering College, Jodhpur, India and a PhD from the Indian Institute of Technology, Delhi, India. Dr. Garg is actively involved in the green building movement, and in developing eTools and educational platforms for advancing energy efficiency in buildings and energy efficiency building code and its implementation. He was the founding president of the Indian chapter of the International Building Performance Simulation Association (IBPSA) and chaired the organizing committee of the International Conference for Building Simulation 2015 and the International Conference on Countermeasures to Urban Heat Islands (IC2UHI) 2019. He is a fellow of IBPSA and received the inaugural Arthur H. Rosenfeld Urban Cooling Achievement Award in 2018.

    Jyotirmay Mathur is professor of mechanical engineering and the founding head of the Centre for Energy and Environment at Malaviya National Institute of Technology, Jaipur, India. He has done postgraduate work in energy studies at the Indian Institute of Technology, Delhi, India, and has received a doctorate in energy systems from the University of Essen, Germany. Dr. Mathur has published 80 research papers in refereed international journals and has presented more than 150 papers and talks at international seminars and conferences, besides writing five books. Dr. Mathur works in the field of energy modelling, codes and standards, energy conservation in buildings, passive cooling, adaptive thermal comfort and building integrated photovoltaic systems.

    Aviruch Bhatia is assistant professor at the TERI School of Advanced Studies, New Delhi, India. He holds a PhD from the International Institute of Information Technology, Hyderabad, India, an MTech degree in energy engineering from the Malaviya National Institute of Technology, Jaipur, India, and MSc and MPhil degrees in physics from the University of Rajasthan, Jaipur, India. His areas of interest include building physics, calibrated energy simulation and fault detection and diagnostics in heating, ventilation and air conditioning systems. He has also worked for three years as an assistant manager at Sustainability Group of Spectral Consultant, Pvt. Ltd. (an AECOM company).