How does the BMW turbosteamer concept work and what challenges does it face?

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The BMW turbosteamer concept utilizes exhaust heat to generate steam, which powers a turbine connected to the crankshaft. The design raises questions about how to ensure only steam, not liquid water, enters the turbine, potentially using a liquid trap to prevent this. Concerns also arise regarding the turbine's variable speed and how it can effectively connect to the crankshaft without a continuously variable transmission (CVT) to manage the differing RPMs. The system's practicality is debated, particularly in colder climates where water may freeze, and the need for a reliable water source is emphasized. Overall, while the concept aims to recover waste heat for improved efficiency, it faces significant engineering challenges.
  • #31
plus it's a bit difficult to place the hex vertical on the exhaust pipe of the care don't u think ?
 
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  • #32
boudzmawed said:
having the exhaust on tube side means huge pressure drop which means a back pressure.
What's the pressure loss from pushing the exhaust through the shell side of your tube bundle? That's not a free ride either. By the way, how much backpressure is acceptable? I think you need to know that before you can decide what your boiler should look like.

ur sure it wil work ?

No, but it's not my project. I'm just throwing ideas at you.

PS: You should get into the habit of typing out real words. Once you're out of school nobody wants to read text-speak.
 

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