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Basically you can't
The whole point in a fan is the inefficiency that is used to push the air forward, the only efficient type of fan you could find would be the propeller of an aircraft, this is the most efficient form of fan that moves huge volumes of air with minimal energy input.
What else can I help you with?
How do you calculate the efficiency of the car?
check here http://www.wonderhowto.com/how-to-calculate-cars-fuel-efficiency-mpg-084812/
How do you calculate the efficiency of vapour absorption machine?
how to calculate the vapour absorption mechine efficiency and per TR steam consumption
How can you calculate efficiency?
b**ch
What is the formula to calculate the thermal efficiency of an Otto cycle engine?
The formula to calculate the thermal efficiency of an Otto cycle engine is: Thermal Efficiency 1 - (1 / compression ratio)
Will efficiency setting on a fan coil increase airflow?
No, the efficiency setting on a fan coil does not directly impact airflow. The efficiency setting usually controls the speed at which the fan motor operates, which can help regulate the temperature and energy usage of the system, but it does not increase airflow.
How you can calculate HRSG efficiency?
b**ch
What is used to calculate mechanical efficiency?
work
How do you calculate 1050 miles in gas price for a trip?
You need to know the fuel efficiency of the vehicle when you are driving (driving styles do make a difference).Use the fuel efficiency to calculate the amount of gas you will need and then use the gas price to calculate the cost of fuel.You need to know the fuel efficiency of the vehicle when you are driving (driving styles do make a difference).Use the fuel efficiency to calculate the amount of gas you will need and then use the gas price to calculate the cost of fuel.You need to know the fuel efficiency of the vehicle when you are driving (driving styles do make a difference).Use the fuel efficiency to calculate the amount of gas you will need and then use the gas price to calculate the cost of fuel.You need to know the fuel efficiency of the vehicle when you are driving (driving styles do make a difference).Use the fuel efficiency to calculate the amount of gas you will need and then use the gas price to calculate the cost of fuel.
What is the equation to calculate energy efficiency?
Energy efficiency is typically calculated as the ratio of useful energy output to total energy input. The equation to calculate energy efficiency is: Energy Efficiency = (Useful Energy Output / Total Energy Input) x 100%.
Calculate indirect labor efficiency?
There are different ways to calculate labor efficiency, I normally use "total hours paid divided by total yielded productivity" This will give u an idea of the gap in efficiency. Thanks, Farhan
How do you calculate efficiency of Encoding?
To calculate the efficiency of encoding, you can use the formula: efficiency = (original size - encoded size) / original size * 100%. This formula gives you the percentage reduction in size achieved by encoding the data. A higher efficiency value indicates a more effective encoding process.
How can smart fan control enhance the efficiency and comfort of a room?
Smart fan control can enhance efficiency and comfort in a room by adjusting the fan speed based on the room's temperature and occupancy. This helps maintain a comfortable environment while reducing energy consumption.
