Reply to NYTs: “Why opening windows is key to reopening schools”

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[quote=Anonymous][quote=Anonymous][quote=Anonymous][quote=Anonymous][quote=Anonymous][quote=Anonymous][quote=Anonymous][quote=Anonymous][quote=Anonymous][quote=Anonymous][quote=Anonymous]My classroom windows open two inches, and I’m in a a better position than a lot of other teachers. This isn’t the simple solution people think it is. [/quote]

I haven't run across a single report that discussed how far a window should open, and aside from that, we have portable filtration technology. This is just teachers imagining impossibility.[/quote]
Common sense and the laws of physics would dictate that airflow from a fully open window would provide a better exchange of air than a window open just a crack. Not much imagination required. 
Teachers are “imaging impossibility”. That’s a new one. We must all be imagining these run down buildings we’ve been working in all these years! [/quote]

A crack is different than a couple of inches. And, there's a whole science about air flow in rooms. Try reading a little about it before you make uninformed statements.[/quote]
Yes there is. And you haven’t provided us with a formula for calculating air exchange rates, so I don’t see any evidence that your response is informed. [/quote]

Fortunately we have experts who have already done the work for us, and we have amazing futuristic technology known as "fans."
https://www.cdc.gov/coronavirus/2019-ncov/community/ventilation.html[/quote]
None of the information available there includes a formula to calculate the amount of airflow required to be considered safe. A small room might be fine with a window that opens three inches. It is blatantly false to claim that the same amount of ventilation would be sufficient in a larger classroom. I’ve also noticed parents on here claiming that three feet of distance is more than sufficient, meaning that they would like to see more people packed into each classroom. No way would I consider working in a room with a single functioning window, less distancing, and more occupants. It’s ridiculous and self serving to pretend schools should operate with suboptimal safety precautions for the convenience of some. [/quote]

Please, unless you're an air flow dynamics expert, you should accept expertise. If you think you know enough about air flow physics to evaluate the math, be my guest to submit your publication to [i]Building and Environment[/i].[/quote]

Or were you expecting some sort of simple algebraic function which could easily be understood by a 6th grade math teacher?[/quote]
Sorry, what? Not a single piece of information about room size (or any other variable) and adequate ventilation. "Accept expertise" only makes sense if they actually supply any. It is outrageous how people wave away every concern about school reopening ("the science says it's safe so shut up") while insisting that every other activity and venue in our society is a death trap. [/quote]

Air purifiers, including HEPA air purifiers, are rated for certain size spaces. [/quote]

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