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Showing posts from October, 2012

How high can blood really squirt from a main artery?

Now this is an old Hollywood favorite, and I need not mention the movie title Kill Bill, I thought about this for two reasons, the one being the previously mentioned movie, the other being the fact that I am an active guy and it all started when I wondered how much blood does my heart pump per second and what kind of pressure drop does it create and one thing led to another... Being a chemical engineering student and having the mathematical capability of figuring this one out for myself I did a few calculations and got a answer, and when i tried to verify the answer somewhere on the web there where no real proof or calculations, so here is what I did. Firstly gather some constants: A good systolic heart pressure is about 100mmHg which is equivalent to 13.332 kPa Then when doing some hard cardiovascular workouts a young mans heart rate cam reach 190bpm which is 3.166 bps (beats per second) From a medical journal it is found that blood flow rates of 20-30 l/min is achieved while