![]() Joe brings that same passion to How-To Geek. ![]() Swamp coolers work best when the dew point (check your local weather forecast online) is less than 40F. Furthermore, the higher the relative humidity, the closer the dew point to the current air temperature, with. The solid line on the side of the wet channel represents the theoretical. Dew point varies depending on the amount of water vapor present in the air, with more humid air resulting in a higher dew point than dry air. The psychrometric chart of dew-point evaporative cooling is shown in Fig. During the day the air could warm to 25 ☌ (77 ☏), while evaporation could add. The vapour pressure would be 17 mb (0.02 standard atmosphere) and the mixing ratio about 11 parts per thousand (11 grams of water per kilogram of air by weight). If something piques his interest, he will dive into it headfirst and try to learn as much as possible. With evaporative/swamp coolers, the important number is the dew point, not the temperature. Dew is the condensed water that a person often sees on flowers and grass early in the morning. On a summer morning, the temperature might be 15 ☌ (59 ☏) and the relative humidity 100 percent. Outside of technology, Joe is an avid DIYer, runner, and food enthusiast. After several years of jailbreaking and heavily modifying an iPod Touch, he moved on to his first smartphone, the HTC DROID Eris. He got his start in the industry covering Windows Phone on a small blog, and later moved to Phandroid where he covered Android news, reviewed devices, wrote tutorials, created YouTube videos, and hosted a podcast.įrom smartphones to Bluetooth earbuds to Z-Wave switches, Joe is interested in all kinds of technology. When dewpoint equals current temperature, relative humidity is 100 and evaporation equals condensation for equalibrium. He has written thousands of articles, hundreds of tutorials, and dozens of reviews.īefore joining How-To Geek, Joe worked at XDA-Developers as Managing Editor and covered news from the Google ecosystem. Swamp Cooler Optimum Dew Point Best Places for Swamp Coolers An evaporative cooler, also known as a swamp cooler, takes advantage of the cooling effect of evaporating water in the same way the human body does when it sweats. Joe loves all things technology and is also an avid DIYer at heart. He has been covering Android and the rest of the Google ecosystem for years, reviewing devices, hosting podcasts, filming videos, and writing tutorials. ![]() Joe Fedewa has been writing about technology for over a decade. ![]()
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