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U nited A rab E mirates U niversity C ollege of E ngineering M echanical E ngineering G raduation P rojects U nit

U nited A rab E mirates U niversity C ollege of E ngineering M echanical E ngineering G raduation P rojects U nit. Utilizing Waste Heat and/or Solar Energy to Supply Sustainable Power and Cooling. Graduation Project (II) Project Advisor: Dr. Saeed A. Hareb Al-Muhairiyy

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U nited A rab E mirates U niversity C ollege of E ngineering M echanical E ngineering G raduation P rojects U nit

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  1. United Arab Emirates University College of Engineering Mechanical Engineering Graduation Projects Unit Utilizing Waste Heat and/or Solar Energy to Supply Sustainable Power and Cooling Graduation Project (II) Project Advisor: Dr. Saeed A. Hareb Al-Muhairiyy Coordinator:Dr.MohammedYounes Student Name ID# Maha Salem Al Baloushi 200303425 Muna Lafi Al- Muhari 200303445 Salama Saif Al-Dhaheri 200202824 Wafa Yousef Al Shamsi 200202455 1st Semester, 08/09

  2. Heater Exhaust Fan Desiccant Wheel Evaporative Cooler Ducting System

  3. Duct material : galvanized steel Fiber glass thermal insulation Diameter calculation for the react duct: Select CFM = Cross section area * velocity

  4. Diameter calculation for the process duct: Manufacturing ducting system (video)

  5. In order to select the appropriate size of a fan, the pressure loss in the whole system must be calculated. pressure loss for whole system in process section

  6. B) pressure loss for elbow • D=8in (200mm), • Pressure coefficient for elbow Co= 0.27

  7. Pressure loss • Pressure loss for two elbows

  8. C) Pressure loss for the transition React section: Process section

  9. Pressure loss for react section • Pressure loss for process section

  10. . Temperature: T1=120oF (49oC) Relative humidity: • By using the Psychometrics chart: • Humidity ratio: w=0.030 lb moisture/lb dry air. • The minimum temperature:T2=99oF (37oC). • pressure loss:

  11. The whole system: The two elbows: The transition: The evaporative cooler: The total pressure losses :

  12. Theater=90 oC, Tamb=49 oC So

  13. Should be designed at the beginning of the life cycle design process. • Its the probability that a system will successfully perform specified functions for specified environmental conditions over a prescribed operating life. • Its an important feature of systems and products of all kinds. • Must be designed and considered at each decision level. • Related to maintainability and availability. • Approach at every decision level • Service life of a system • Occasional failure of some pieces of equipments • The design team responsibility • Tolerance failure. • Personnel safety.

  14. Its the probability that a system will successfully perform specified functions for specified environmental conditions over a prescribed operating life. • Its an important feature of systems and products of all kinds. • Must be designed and considered at each decision level. • Related to maintainability and availability. • Its the probability that a system will successfully perform specified functions for specified environmental conditions over a prescribed operating life. • Its an important feature of systems and products of all kinds. • Must be designed and considered at each decision level. • Related to maintainability and availability.

  15. Its the probability that a system will successfully perform specified functions for specified environmental conditions over a prescribed operating life. • Its an important feature of systems and products of all kinds. • Must be designed and considered at each decision level. • Related to maintainability and availability.

  16. Its the probability that a system will successfully perform specified functions for specified environmental conditions over a prescribed operating life. • Its an important feature of systems and products of all kinds. • Must be designed and considered at each decision level. • Related to maintainability and availability.

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