Hi All,
I want to increase the efficiency of the cooling system and reduce the amount of water vapor from the expansion tank.
Back round info: I have 12/2 Lister that is cooled with a heat exchanger using the typical thermal siphon setup. There are 190 F thermostats for each cylinder head, with 3/16 bypass holes to let the air thru. There is an expansion tank connected to the top of the heat exchanger similar to every one Else's it seams. When the thermostats open up, a rush of hot water expands into the tank then gets sucked back into the engine and heat exchanger when the water cools. There is 1" hose from the engine to the heat exchanger with a rise of 1.5 feet. The return line from the heat exchanger to the engine is just above level with the same type 1" radiator hose. The best I could do with the room I have and the size of the heat exchanger, system works well.
Question:
What would be the problem if the expansion tank was connected to the cold engine side of the heat exchanger and have a valve at the engine hot side of the heat exchanger to let the air out? The expansion tank would still need to be the same height to ensure the system is filled with water.
Has this ever been done before and what where the problems?
Why would you want to do this? More of the hot water would get pushed through heat exchanger to be cooled by the secondary storage tank water and maybe capture more heat. There would be less water vapor into the air and still keep the pressure in the primary side of the cooling system low?
Any all comments welcome, further explanations gladly given.
Sara
I want to increase the efficiency of the cooling system and reduce the amount of water vapor from the expansion tank.
Back round info: I have 12/2 Lister that is cooled with a heat exchanger using the typical thermal siphon setup. There are 190 F thermostats for each cylinder head, with 3/16 bypass holes to let the air thru. There is an expansion tank connected to the top of the heat exchanger similar to every one Else's it seams. When the thermostats open up, a rush of hot water expands into the tank then gets sucked back into the engine and heat exchanger when the water cools. There is 1" hose from the engine to the heat exchanger with a rise of 1.5 feet. The return line from the heat exchanger to the engine is just above level with the same type 1" radiator hose. The best I could do with the room I have and the size of the heat exchanger, system works well.
Question:
What would be the problem if the expansion tank was connected to the cold engine side of the heat exchanger and have a valve at the engine hot side of the heat exchanger to let the air out? The expansion tank would still need to be the same height to ensure the system is filled with water.
Has this ever been done before and what where the problems?
Why would you want to do this? More of the hot water would get pushed through heat exchanger to be cooled by the secondary storage tank water and maybe capture more heat. There would be less water vapor into the air and still keep the pressure in the primary side of the cooling system low?
Any all comments welcome, further explanations gladly given.
Sara