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Mech 673 Energy Efficient Buildings with Good Indoor Air Quality 3 Cr

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Mech 673 Energy Efficient Buildings with Good Indoor Air Quality 3 Cr MECH 673 ENERGY EFFICIENT BUILDINGS WITH GOOD INDOOR AIR QUALITY 3 CR. The course covers energy consumption standards and codes in buildings; energy conservation measures in built in environment to enhance the building’s energy efficiency while maintaining space thermal comfort and indoor air quality requirement; fundamental ventilation, indoor-air-quality, infiltration natural and mechanical ventilation, importance and impact of indoor air quality on human health and energy performance of the building air conditioning system; and ASHRAE requirement for ventilation. Particular focus will be given to green energy alternative measures. An overview of the different heating, ventilation and air conditioning system designs is covered. Performance and energy consumption of the conventional air conditioning system (constant and variable air volume) as well as the hybrid integrated air conditioning systems will be discussed and compared. The course will include several demonstrations of concept experiments. Prerequisite: MECH 310. Technical Elective. Pre-requisite: MECH 310. Textbook: Handouts. References David Etheridge, 1996. Building Ventilation: Theory and Measurement. CRC Press. Ken Parsons. 1996. Human Thermal Environments: The Effects of Hot, Moderate, and Cold Environments on Human Health, Comfort and Performance. Second Edition, CRC Press. Hazim Awbi. 2003. Ventilation of Buildings, Spon Press; 2 edition. Yuanhui Zhang. 2004. Indoor Air Quality Engineering, CRC Press. Brigittta Nordquist, 2002. Ventilation and Window Opening in Schools. PhD thesis. Lund University, Sweden. Chad Dorgan, Robert Linder, and Charles Dorgan. 1999. Indoor air Quality Standards of Performance. American Society of Heating, Refrigerating, and Air-conditioning Engineers, Inc. Sustainable Building Technical Manual: Green Building Design, Construction and Operations, Public Technology, Inc., Washington, D.C., 1996. [721.0467 S964] Fundamentals of Building Construction: Materials and Methods, Edward Allen, Joseph Aano (John Wiley) Kibert, C. (2005) Sustainable Construction: Green Building Design and Delivery (Hoboken, NJ: John Wiley & Sons). Prerequisite by Topic Thermodynamics Resources for the course The references for the course; the instructor; lectures on Moodle, class notes and handouts; your teammates; the library; and the web. Computer usage Use of Matlab and Matlab optimization tools. Visual DOE 4.0 Energy Analysis Program Educational Objectives To provide practical information of energy efficient technologies To introduce the LEED™ ( leadership in energy efficient standards) for environmentally sustainable construction To provide the student with an overview of the different heating and different heating, ventilation and air conditioning system designs To develop in students the understanding of IAQ problems and health and building safety issues. To develop in students the ability to formulate, model, and analyze air flows in spaces and assess ventilation conditions and IAQ. To develop in students the ability to design and optimize air distribution systems for acceptable IAQ. To optimize the building HVAC needs by the proper choice, size and operation of the air conditioning system To introduce the student to the concept of the whole building design To acquire an overview of the knowledge and skills necessary to design and operate healthier, more comfortable, more productive, and less environmentally destructive buildings. To analyze the costs and benefits of incorporating sustainable building measures. Topics Factors effecting energy consumption in buildings: Building envelope: size, shape, material,orientation,.. Building service system: lighting, HVAC system, … Human requirement: Comfort, IAQ, ventilation Standard for Building Envelop Outdoor and indoor air quality. IAQ standards of performance. Properties of indoor air contaminants. Chemical and physical interaction of the pollutants with the furniture and building surfaces. Basic mechanism and characteristics of envelop flows: Pressure difference generated by wind and by temperature and Mathematical models of flow through building envelop. Ventilation Requirements. Ventilation process and associated mathematical and empirical models. Internal mixing in terms of age distribution models (air exchange efficiency and contaminant removal efficiency). Flows in rooms and air distribution system design. HVAC systems (performance and efficiency) Heating, Cooling (using conventional & renewable energy) Efficient use of energy in buildings: Passive building design Day lighting and sun control Heat recovery The USGBC LEED™ building assessment standard Standards for defining green buildings Ventilation control strategies and technologies related to gaseous indoor air pollutants. Alternative ventilation and air distribution systems. IAQ and ventilation system performance and cost. Hybrid air conditioning systems(performance and efficiency) Radiative Heating Systems Integrated building design Buildings classification based on performance Case studies Course Learning Outcomes: Correlate to outcomes (a), (b), (e), (k), (d), (g), (h), (j), (i) of ABET Correlation to program outcomes* At the end of the course, students wi! have( the ability to): H M L The student will be able to relate the effect of building envelope, air a, b, e, k, d, conditioning system and human use on the energy requirement of e, g j h, i, j the building The student will gain skills for designing an energy efficient buildings a, k, i g h The student will be able to evaluate and select appropriate a, k, i g, e h sustainable energy design options for different types of building. The student will be able to Use and follow appropriate LEED™ a, b, k, i e, g h, j standards and codes The student will acquire an overview of the different heating and cooling air conditioning systems that relies on conventional and a, k renewable energy The student understands ventilation concepts and standards for a, b, k, i e, g h, j comfort and IAQ. The student is able to design ventilation systems can provide good a, b, k, i e, g h, j air quality with the efficient use of energy. The student developed awareness to environmental issues and health and safety concerns associated with ventilation systems and h, j, g, i implications of sustainable energy practices in buildings on the environment. Student is able to assess ventilation and air conditioning system a, b, k, i e, g h, j design performance and IAQ and comfort levels. The student is able to solve ‘real-world’ engineering applications and a, b, k, i e, g h, j present a Case Study via two concise mini-projects reports * H: High correlation, M: Medium correlation, L: Low correlation Class schedule: Two seventy-five minute lectures per week. Person who prepared this description and date of preparation Department of Mechanical Engineering: Nesreen Ghaddar Date of last revision: March 16, 2009.
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