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  1. B

    The great nitrogen bubble debate

    Not that guy, look at his graph here. Which he posted to support his claim when challenged by (paraphrased simply); "ok more nitrogen comes out at first, but there isn't a lot of it dissolved, so it will quickly run out". Which is very valid reasoning (as he proves himself) The horizontal...
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    The great nitrogen bubble debate

    :rolleyes:
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    The great nitrogen bubble debate

    Your reasoning is followed fine, it's just full of flaws. Flawed assumptions you have made; -All gas released during a pour stays trapped in the head. -Calculating diffusion rates in a sealed container when those conditions do not match real conditions. -The core assumption that it's...
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    The great nitrogen bubble debate

    :onestar:
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    The great nitrogen bubble debate

    That's my point. I don't claim to know all the conditions that contribute to the forming of the head. What I do know and have been arguing is that it is not as simple as a SS solution moving to equilibrium. And even if it was, the reasoning behind his conclusion under that premise is wrong to...
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    The great nitrogen bubble debate

    I don't, I take issue with the misapplication of principles, and the poor control of variables. It's an easily understood equivalent. If I can explain to a person that their diatribe is contradicted by basic logic, they should immediately review their statements and address that logic...
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    The great nitrogen bubble debate

    Except that I do, you are equating keeping a discussion simple as ignorance, which is a flaw in your own character. Again, the diffusion of gas under 3 atmospheres of beer gas is irrelevant to beer in a glass under 1 atmosphere of mostly nitrogen and oxygen, and essentially void of co2. That...
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    The great nitrogen bubble debate

    No, I choose not to get into what is not relevant. It does not matter what the contents of a bubble under pressure inside of the keg or under pressure in a syringe are. I even conceded to you that possibly some bubbles might contain mostly nitrogen, but this is not relevant to the context. It...
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    The great nitrogen bubble debate

    I am not speaking of intuition I am speaking of experimental results. Again, try dissolving nitrogen in beer, you will get effectively zero head, and that would be from beer with a greater content of dissolved nitrogen. Repeating "physics says" is a response of no value, and a poor rebuttal...
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    The great nitrogen bubble debate

    OK, but there's basically no nitrogen to make many bubbles. If you actually try to dissolve pure nitrogen in beer/water etc, you get basically no bubbles, you would barely get any observable head and the beer would taste completely flat. Knowing that, to say the bubbles will be mostly nitrogen...
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    The great nitrogen bubble debate

    I'm still really confused as to how you can say there is almost no nitrogen dissolved in the beer, yet the bubbles will form mostly full of nitrogen.
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    ~15KW heater with tro-clover?

    Yea, what I was thinking was how the 3 phase waves overlap vs single phase, but then after about 10 more second of thinking I realized that didn't change anything.
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    ~15KW heater with tro-clover?

    Thanks, that's pretty much what I'm looking for. 3 phase elements are just 3 single phase elements stuck into one package. I know they can just be wired by ganging the 6 terminals into two (3/3), not sure if there's a output loss though since 3 phase has some overlap
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    ~15KW heater with tro-clover?

    Has anyone seen an immersion heater with a triclover fitting in the 15kw range? Can't seem to find one and don't want to use multiples. (yes I need that big for something)
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    Manual PID tuning oddities.

    Not really, yours is just a problem of low settling rate, which is solved by adjustments. You have P and I on and if the settings are not optimal, what you described will, appropriately, happen. It's likely your problem will be adequately solved by mucking with the integral. I don't mind you...
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