If you take the equations from the ASHRAE Handbook of Fundamentals seen below andĬreate a visual representation of those equations, it becomes a powerful tool for HVAC design. This results in a higher quality part and reducedĬycle time, allowing manufactured parts to be produced faster. Desiccant dehumidifiers canĮliminate this condensation. As the air or process is cooled below theĪmbient dew point, condensation can occur. Industrial and manufacturing companies use chilled water to remove heat from Psychrometrics, it’s possible to determine the proper humidity ratio of the The ceiling since the temperature often goes below the dew point ofĪmbient conditions (it’s called “raining in the OR”). Hospital ORs are kept so cold that there is always risk of condensation These HVAC systems must be operational 24/7 and often This system is designed toĬontrol the environment for the preservation of highly valuable artifacts or Pollutants) within a museum, a library, or any type of archival facility is much more complex than the systemĭesigned simply for maintaining human comfort. Systems designed for controlling the environment (temperature, humidity and The following slide displays the comfort zone for humans: It’s vital for human comfort since it’s difficult to work when the conditions are too Study and understanding of psychrometrics is so important for helping engineers toĭesign HVAC systems for all types of applications and situations including: Show 10 example HVAC processes using the psych chart app. I will split this topic into 2 separate blog postings. This webinarĬould have easily gone on for two hours, but I was limited to one. Then, Iĭemo’d the app by creating sample HVAC processes. This webinar included an overview of the science behind psychrometrics. Click here to download a PDF of the PowerPoint slide deck.Click here to view a recording of the webinar.The following are links to both the webinar recording and a PDF of the PowerPoint slide deck: To more easily perform psychrometric calculations. Is keen interest in understanding psychrometrics and also finding ways I was amazed thatĪlmost 900 people registered for this webinar.
Psychrometric Chart iPad app (which we designed).
I recently hosted an ASHRAE-sponsored webinar that discussed theīasics of psychrometrics and also included a demo of the ASHRAE
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