Presents IMPORTANC E OF
AIR CURTAINS IN WAREHOUSES
Introduction
Warehouses are crucial pieces of logistical equipment. Almost all of the things you buy everyday pass through a warehouse at some point. These items are often carried by truck through a loading dock. These cargo docks feature big doors that are always open. When these doors are opened, the outside climate may wreak havoc on the warehouse's inside.
Warehouse managers may struggle to regulate the internal temperature of a warehouse because the flow of air can drastically change the temperature inside. Using air curtains is a simple approach for warehouse managers to stay ahead of the competition.
When the doors are open, air curtains (air doors) protect the inside atmosphere. Air curtains contribute to a more stable, pleasant, and quality atmosphere by keeping outside temperatures, scents, and flying insects out while lowering energy expenses.
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Benefits
of Using Air Curtain
Warehouse https://www.mitzvah.in Temperature Control Cost Saving Employee Comfort and increased productivity Quality Control Longer Lasting HVAC System
in
https://www.mitzvah.in Cost Saving of Rs. 7 Per Minute Saving per minute: Rs. 7/Saving per hour: Rs. 420/- (Rs. 7*60 min) Saving per month: Rs. 12,600/- (Rs. 420*30 days) ROI-1 month ~ 4 months Assumption for ROI Calculation Door size : 8ft (H) * 4 ft (W) Temp. Difference : 150C Door opening / Day : 60 mins Using simple mathematics, let's verify; Here's howEnergy Calculation E=m c ∆T m: Mass of Air C : Specific heat of Air at given Temperature ∆T : Temperature Difference
https://www.mitzvah.in Cost Saving of Rs. 7 Per Minute m= Density * Volume Density of Air at 40°C = 1.127 Kg/cu.meter C= Specific Heat = 1.005KJ/(Kg°C) ∆T= Temperature Difference = 15°C (assuming outside temperature is 40°C and inside is 25°C) Volume= Area * Velocity of Air from Door * Time of Opening say:Door Size = 8ft * 4ft Velocity = 1m/s = 200fpm Time of Opening = 1min Volume= 32*200*1= 6400 cu.ft.=181.22 cu. Meter------A
https://www.mitzvah.in Cost Saving of Rs. 7 Per Minute m=Density * Volume (from Above A) =1.127 Kg/cu.meter * 181.22cu. Meter =204 Kgs E=mC∆T =204 kgs *1.005 KJ/(Kg°C)* 15°C =3075.3KJ=0.85425Kwh Thus:In India if Per KWH cost of Power is Rs 8.10 Cost of Opening the Door of size 8ft *4ft for 1min is = Rs 6.92 Cost of Running an Air Curtain of 4ft = 400W (Input Power) for 1 minute = 6 paise Rate per Kwh*Time*Power Input 8.10*1/60*0.4= 5.4 paisa Net Saving= Rs6.92-0.06=Rs6.86~ Rs7
Improving Employee Comfort Can Improve Your Overall Productivity
● Increases customers and staff comfort.
● Hygienic and healthy atmosphere
● Air curtains act as a barrier for fire fume.
● It decreases the cost of the installation operation and reduces CO2 emissions.
● Temperature control is not only important for the safety and comfort of employees, but can also improve their productivity, employee retention and overall well-being. https://www.mitzvah.in
Air Curtains Helps maintain Adequate Environment ● Reduces employee absenteeism ● Pest and insect control ● Barrier against airborne dust, pollution, fumes and bad odours ● Energy saving ● Proper Ventilation https://www.mitzvah.in
Air Curtains Reduces the energy losses from the conditioned space ● Reduce central plant capacity (heating/cooling) ● Reduces the building running cost ● Reduces the CO2 emissions ● Increased safety https://www.mitzvah.in
Air Curtains Increase visibility and avoid collisions because there isn’t a physical obstruction
● In cold rooms reduces misting, dry out the doorway and prevents ice forming on floors.
● Easy evacuation through the exit doorway in case of fire or emergency.
● Act as a barrier against fire smoke (special application).
● To achieve those advantages it is absolutely necessary to select the right air curtain.
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