Recent content by tommd

So you are clearly saying the hole will not get smaller. And I believe everyone else is also. Thank you, that is what I was thinking but wanted some assurance from others with more knowledge than I on the topic. Tom

I would think after step 2.2, the hole would either be the same six or slightly larger, it not smaller.

Thank you for the reply and video. Unfortunately, I only know English and so only saw the visuals, and I believe my OP indicates that I do understand that heating a hole makes it larger and thus cooling one makes it smaller. The video, at least from the visuals, does not address what happens...

Sure- I understand that when heated, the molecules will move farther apart. Sometimes, one tends to think that since there is a hole, that leaves "room" for the molecules to mover farther from each other by filling into the empty hole. But one way to see that that does not happen would be to...

I have seen many discussions on the topic of whether a hole in a metal will get larger or get smaller when the metal is heated. And the conclusion is the hole will get larger. My question is if the metal is constrained so the outside dimension of the metal cannot expand, what happens to the...

The thermostat was the standard wax type, not a bellows. Thanks for the help. Tom

There have been several good questions, but unfortunately I do not have many specifics. Only speculation. What we know is the system was sealed off from the pressure cap. Pressure rose. No damage was done other than seeping frost plugs. I was looking for a logical explanation that may...

I mentioned the crimped hose was between the radiator and the expansion tank, isolating the cooling system from the pressure cap.

I do not know why it got posted in the other area. The responses there, although good,seem to be more oriented towards the mechanics of the cooling system, where I have little questions. My question is if this amount of pressure can affect the cooling of the water. I understand there is...

Yes, that is what I would have expected. And that is the heart of the question. With no damage to any component, why did the temperature rise with only an increase in pressure. It is not suspicious at all. This system has a remote expansion tank that is connected to the radiator, and the...

Baluncore, thank you for your response. What you are saying clearly can be true, but did not happen. The pressure went up but no damage was done other some slight weeping at the frost plugs. When the pressure cap was restored all returned to operation.

Flyboy, the temperature sender would not be affected by pressure to our knowledge. The pressure did not seem to damage the thermostat as it returned to proper function when the pressure cap was restored.

I tried posting this earlier, but being my first time somehow got it in mechanical and I wanted it in thermodynamics so I am reposting here. Sorry for the confusion: Automotive cooling system Not sure if this is an appropriate forum for this question or not, but I will try. Many current...

Automotive cooling system Not sure if this is an appropriate forum for this question or not, but I will try. Many current automotive cooling systems have a system that is completely filled with coolant and no room for air or expansion, other than slight bulging of the hoses, etc. A pressure...