Water Level and Air Temps - A2W?
06-27-2014, 06:41 AM
#1
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Water Level and Air Temps - A2W? I don't know if this has been discussed before, but if it has I can't seem to find it.
The system is on primarily a street car, A2W, using only recirculating water for cooling, no heat exchanger or ice.
How high is everyone filling their tanks with water? I'm thinking that the higher the better as it will allow for more heat transfer. Plus, since this is a street car, if the water level is higher than the return port, you won't hear the sound of the return water sloshing.
Looking for some real world experiences here.
Thanks.
The system is on primarily a street car, A2W, using only recirculating water for cooling, no heat exchanger or ice.
How high is everyone filling their tanks with water? I'm thinking that the higher the better as it will allow for more heat transfer. Plus, since this is a street car, if the water level is higher than the return port, you won't hear the sound of the return water sloshing.
Looking for some real world experiences here.
Thanks.
06-29-2014, 02:35 AM
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The more volume of coolant you have to work with the longer it will take it to heat up the medium. Depending on how you setup the system you may get some percolating noises from the tank.
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06-30-2014, 12:10 AM
#9
No it's not, I just cannot see the benefit.
The amount of water needed to completely avoid heat soak even in 60 min of stop and go traffic would be a lot. You'd think by the point you have enough water to maintain a stable temperature that a heat exchanger would weigh a lot less and be drastically more efficient.
The amount of water needed to completely avoid heat soak even in 60 min of stop and go traffic would be a lot. You'd think by the point you have enough water to maintain a stable temperature that a heat exchanger would weigh a lot less and be drastically more efficient.
06-30-2014, 06:19 AM
#10
I'll have some very good data on this from my car this year. I have pre IC IAT and post IC IAT temps, plus water temp sensor in the water tank that is all logged in my holley dominator. I've got a 11 gallon tank, rule 3700 pump, frozen boost 2000 IC that is modified with 1.5" line on a street car with twin 78mm turbos, will be in the 1300rwhp range. Also I have two 120lb injectors in the charge pipe spraying E98 and another IAT sensor in the intake. 99% of the time I don't plan on running ice on this car.
06-30-2014, 08:23 AM
#11
Your thinking about it wrong. Under stop and go traffic the turbos are freewheeling so to speak not building boost means not building heat. So if the pump was running even without a heat exchanger the core becomes the exchanger in reverse though not as good as a fan on a dedicated core. It's pulling ambient air in across the intercooler. Only when you are in boost creating heat does the water have to soak up that heat.
06-30-2014, 08:47 AM
#12
Exactly . A good CIA intake for the turbo is important to make it work worth a crap though
So u are moving air that is just over ambient across the core when not at load
So u are moving air that is just over ambient across the core when not at load
