SD CAV AHU | Single Duct Constant Air Volume Air Handling Unit | Schematic Calculations Formula

The most basic and simple Air handling unit (AHU) is Single Duct Constant Air Volume with Terminal Reheat. It is best in achieving the temperature and humidity comfort requirements (sensible and latent load in zones) and at the same time it is least efficient. In the lecture, you will learn the schematic and the derivations for the SDCAV AHU.
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In this course on Energy Management in Commercial Buildings, I am going to bring up the trending topics and technology used in our homes, offices and industry to keep them cool and warm as per the comfort requirement. The course is a complete and an extended version of what I studied at Texas A&M University under Dr. David Claridge. All course content credits goes to my professor Dr. David Claridge.
The content included in this course are:
Overview of energy issues around the world
Building energy performance overview
Concept of Continuous Commissioning
Historical Methods for Load Calculations
Bin method energy calculations
Building load calculations
Buildings as a Lumped Capacitance
Modified Bin Method
Fans, Coils, Dampers, Valves
Different types of AHU
Model Calibration
Chillers and Cooling Towers
Furnace and Boilers
Building Hydronic Loops
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For new viewers, this channel is for spreading knowledge and educational purposes.
Educator : Dhyan Patel
Education : Mechanical Engineering @ BITS Pilani - K. K. Birla Goa Campus
Texas A&M University - MS Thesis Mechanical Engineering
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3. Course H. Energy Management in Buildings / Heating, Ventilation, Air Conditioning, Refrigeration, Lighting System / HVAC&R / Commerical Buildings, Residential Buildings and Indsutrial Buildings / Air Handling Unit / AHU / Energy Saving / Energy Technology
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[@RudraPatel-xb1bi]

Great Work brother!

[@dhyandpatel132]

Thank you Bhai 🙏

[@sekarlakshmi6672]

Temperature increase after supply fan is it the energy added by electrical energy used by fan or increase in velocity?

[@dhyandpatel132]

Hey, thank you for your intriguing question. Energy added is by both the sources. One is due to thermodynamic principle, as fan increases pressure and velocity, the basic thermodynamic principle says since the volume remains same, the temperature has to increase. But actually, the increase in pressure due to fan is very low. Fan's purpose is to move air, while compressor increases pressure. Secondly, as the electrical power does into fan's motor, there is lot of heat generated in motor. Usually motor is in path of air stream, hence the motor heat is absorbed by air. The fan temperature rise calculated here is based on the heat added from motor.
I hope the thing is clearer. If you have any such query, please comment. I am happy to discuss.