dehumidifier design calculations,What are the Basics of Dehumidifier Design Calculations? When it comes to dehumidifier design calculations, there are se
What are the Basics of Dehumidifier Design Calculations?
When it comes to dehumidifier design calculations, there are several key factors to consider. First off, we need to look at the moisture load. This is the amount of water vapor that the dehumidifier needs to remove from the air. It depends on things like the size of the room, the number of people in the room, and any activities that might be producing moisture, such as cooking or taking a shower.
The second important factor is the air volume flow rate. This is basically how much air is passing through the dehumidifier per unit of time. To calculate this, we need to know the dimensions of the space that the dehumidifier is servicing. For example, if we have a rectangular room, we can calculate the volume of the room by multiplying its length, width, and height. Then, depending on how often we want the air to be circulated through the dehumidifier, we can determine the required air volume flow rate.
Another aspect of dehumidifier design calculations is the selection of the appropriate dehumidification capacity. This is directly related to the moisture load. If the moisture load is high, we will need a dehumidifier with a higher capacity. A common unit to measure dehumidification capacity is pints per day. For a small bedroom, a dehumidifier with a capacity of say, 20 pints per day might be sufficient. But for a large basement or a commercial space, we could need a dehumidifier with a capacity of 50 pints per day or more.
How to Do the Actual Calculations?
To calculate the moisture load accurately, we can use some simple formulas. Let's say for a room, we first calculate the latent heat gain. If we know the number of people in the room, we can estimate the moisture production per person. For example, an average person produces about 40 grams of water vapor per hour through breathing and sweating. If there are 3 people in the room and they are in the room for 5 hours, then the total moisture production from the people would be 3 * 40 * 5 = 600 grams.
We also need to consider other sources of moisture. If there is a source like a small indoor fountain that evaporates 200 grams of water per hour and it runs for 3 hours, then it adds 200 * 3 = 600 grams of moisture to the air. So the total moisture load for this room would be 600 (from people) + 600 (from the fountain) = 1200 grams.
once we have the moisture load, we can determine the required dehumidification capacity. If we want to remove all the moisture in say, 10 hours, then the dehumidifier needs to be able to remove 1200 grams in 10 hours. Converting grams to pints (since dehumidifier capacities are often measured in pints), we know that 1 pint is approximately 473 grams. So we need a dehumidifier that can remove about 1200 / 473 ≈ 2.5 pints per hour or 2.5 * 10 = 25 pints per day.
Questions and Answers
Question: What factors are important in dehumidifier design calculations?Answer: The important factors in dehumidifier design calculations include the moisture load, air volume flow rate, and the selection of appropriate dehumidification capacity.
Question: How can we calculate the moisture load for a room?Answer: To calculate the moisture load for a room, we need to consider sources like the moisture production from people (by estimating the amount per person and multiplying by the number of people and the time they are in the room) and other sources such as fountains (by calculating the amount of evaporation and the time it runs), and then sum up all these amounts.
Below is,dehumidifier design calculationspartial price listCategory | Market Price | Use Cases |
dehumidifier 70 pint | 359$/tower | Electronics workshop |
70 pint ge dehumidifier | 745$/tower | Cold storage, laboratory |
arctic air dehumidifier 70 pint | 654$/tower | Sauna center, hotel dining |
frigidaire energy star 70-pint dehumidifier | 548$/tower | Medical cold storage, lithium batteries |
home 70 pint dehumidifier manual | 846$/tower | basements, vaults |