Fan & motor CALCULATIONS, Pulley size, RPM, air flow rate cfm hvac rtu
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- Опубликовано: 2 дек 2024
- In this video we learn how to calculate the pulley diameters for motors and fans as well as their RPM and what the air flow rate will be. This can be applied to fans, ahu's and fan coil units within HVAC industry.
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My instructor at North Carolina A & T Univ introduced me to this channel. Very good material here!
You are the greatest educator in HVAC field.
Fantastic video's
Thank you
exactly
You are the greatest educator in HVAC field
⚠️Learn *FAN PULLEY CALCULATIONS* here: ruclips.net/video/yxCBhD9nguw/видео.html ⚠️
make video on HOW TO SELECT FAN FOR DIFFERENT APPLICATION ?
Best teacher I ever came across..can u pls explain about air pressure in duct(static and velocity pressure)...relation between air pressure,air velocity and CFM....I'll be really greatfull...im surely gonna recommend this channel to all my friends in this field
How are you measuring the pulley diameter? Bottom of the groove, the edge or with the belt on the pulleys??
At 3:55 you can‘t say % (it is 94% Or 0,94 But Not 0,94%).
But Nice Video :).
found your channel at the right time thanks so much for this🙋
PS - what about calculating the ratio of motor and fan pulleys to achieve a desired CFM. Also, how to calculate existing CFM if not stated.
Measure the fan capacity with an anemometer. We provide that service.
Fantastic video, maybe you could do a video on duct pressure loss calculations which ties up to fan selection. great job
I'll add it to the list great idea
Jason Anderson yeah! I want it too.
@@EngineeringMindset yow I've been waiting for so long. You didn't make the video
How to calculate can motor power from esp in hvac. Will u explain
How to choose motor size when the blower wheel material differs. It is centrifugal fan DIDW Double Inlet. Existing blower fan is made from aluminium material (67kg including shaft) which later replaced with blower fan made from mild steel material (93kg including shaft). Now how to determine the horsepower of the motor since new blower wheel will be heavier. Everything else remain same except the blower wheel weight.
Can you please do carparks with jetfans and ducted ones
Hello my name is miguel i'm from aruba thank you for all the vídeos,they are helping me alot keep the good work.
Hi Miguel, that's great to hear people all over the world are learning from my shared knowledge.
Thanks sir it's helping us a lot.
Sir i have 29 hp d engine 2200 rpm with 6 inch pulley. Tell me water fan pulley size? Because i have 8 inch water fan pulley. In this position tube well water though is best but engine on some fast speed?
Hi Paul, for equations at 4:30, is there any typo?
no, I don't think so?
Yes. It should be 111%, not 1.11%. The increase is 11%, or multiply by 1.11, or its 111% of the old.
The other calcs are done similarly. However, its semantics.
Hey! I hope your new videos have a much better audio quality. I couldn't here a thigh so I'll wait till I get home to actually comment on the content. 👍
What device are you using? Tested on iphone, laptop, LG and tablet and audio is fine.
Thighs are usually pretty quiet, though sometimes knees make some noise :)
how to calculate the flow of the fan?
Does fan size (the diameter of the propeller) affect the airflows ? How these variables correlate at each other ?
How to calculate motor power for new centrifugal pp and air blower
Thought this was how to calculate fan displacement. You already know the displacement, this is just calculating a new ratio.
SUPER SIR TNX LOT
can you explain the blower design procedure, please..
Sir do u have any suggestions now ? I kinda hard to believe it is such a pain to search design procedure of a fan as a cooling device to reject heat out from a generator. My schematic system was pretty simple since it doesn't need any motor. The fan will be installed on the rotor inside a generator to circulate the air. But I don't know how to choose the proper design and sizing of the fan.
Sir, how to select motor for any centrifugal fan
can i use bike chain system to gain velocity on fan from cooler motor
can you advise on belt slippage?
If it's slipping then tighten it. Check its clean and nothing is causing it to slip, buy a deflection guage and check with manufacturer for allowable deflection but 3-5mm is typical
what about new belt, when choosing pulley size, how much belt slippage should we factor? 3~5% of Driving RPM?
Hey can u please help me. Two fans.
2000 CFM @ 15 psi
200 CFM @ 200 psi
Which one is expensive and why.
How to calculate motor pulled diameter to calculate fan pulley diameter
I have a question, what's happen if diameter of fan pulley doesn't match with diameter of pulley motor? Thanks before
Nice
can you tell me how can i design a centrifugal blower body completely from scratch?
Good Day, I meet with a customer today and they have 3535 RPM 40HP Motor that has to drive a Roots 56 URAIL Blower. they want pulleys on both components. Can you help me out.
How to find motor pulley pcd??
Thanks mate, hard to hear you though, even with the volume up all the way :(
If i have a 1440 RPM motor and i want 1000 RPM in my machine. So how can i reduce motor RPM ??
Describe with formula please
variable frequency drive
VFD Video is now live! here: ruclips.net/video/yEPe7RDtkgo/видео.html
fan-tastic
I need to know what size motor I need for a I need to know what size motor I need for a air compressor pump the pump is 175 lb
wonderful channel ...plz make video about chilled water pump head and it's calculation...will be thankful
We just finished our pump calculation video: ruclips.net/video/99vikjRrlgo/видео.html
+The Engineering Mindset Thanks a lot.
Sir. .how calculat..fan rpm..can you rply mee
This is as per which standard.. Anybody please replay.
how many watts is need it for a car alternator to start?
Check our our new car battery explained video: ruclips.net/video/VnPRX5zQWLw/видео.html
4"pulley
Can you improve the sounds of your video a bit higher? Its very heard to hear
What is metric ,what is imperial
Apka awaj nahi hai .
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Hindi me btaiye
Aaaargh - Don’t move the mouse like an maniac - slow and deliberate then stop ✋. Like talking with your hands, you’re talking with your mouse - annoying and pointless (excuse pun)
Cheers SG