Recent content by MCTachyon

A cylindrical vessel with hemispherical or 'dished' heads (like those shown above) is close to the best shape you can use for a pressure vessel (theoretically, a sphere would be best). Usually you want what is holding the vessel together (the glue in this case) to be of similar, or close...

Third attempt: Pressure at centroid of AB: P = ρgh P = 900 x 9.81 x (4 + (1/2)) P = 39731 Pa P = 39.73 kPa Resultant force at AB: F = PA A = (h x b) F = 39731 x (1 x1.5) F = 39731 x 1.5 F = 59597 N F = 59.60 kN Point of Action: Area Moment of Inertia: Iy = IR + Ar2 Where: IR = (d x b3)...

Right then, this is starting to make some sense now. It is late where I am, I will come back tomorrow with some new numbers and see if this info has put me on the right track. Thanks again for your help.

ABC, so a right angled triangle.

Second attempt: Length of AB: Pythagorean Theorem: A2 + B2 = C2 C = √ (12 + 1.52) C = √3.25 C = 1.8m Pressure at centroid of AB: P = ρgh P = 900 x 9.81 x (4 + (1/2)) P = 39731 Pa P = 39.73 kPa Resultant force at AB: F = ρA A = (h x b) / 2 F = 39731 x ((1 x1.5) / 2) F = 39731 x 0.75 F =...

Thank you. Lots of food for thought there. I will go back and retry. Thanks again.

Homework Statement A storage tank has the cross-sectional shape shown attached and is of 1m breadth. Calculate the resultant force acting on the inclined surface AB and its point of action. The density of the liquid is 900kgm–3 and take g = 9.81ms–2. Homework Equations P = ρgh F = ρA Point...

Roque and Thor55 I can help. DM me.

DM me and I'll give you my findings.

Actually there is a further post on page 2 I didn't see. "so per kmol is 40.89 mols / 3.1804 = 0.013 Mj / Kmol" Is it as simple as that?

Evening, I have just read though this thread: https://www.physicsforums.com/threads/net-calorific-value.888755/#post-5590572 But all that is answered there is "the net calorific value (CV) per m^3 of the fuel/air mix at 25°C" I have already worked this out for myself. I can't see a solution...

Homework Statement [/B] A fuel gas consists of 75% butane (C4H10), 10% propane (C3H8) and 15% butene (C4H8) by volume. It is to be fed to the combustion chamber in 10% excess air at 25°C, where it is completely burnt to carbon dioxide and water. The flue gases produced are to be used to...

Thanks. I will add this method to my notes as well. Cheers.

Makes perfect sense that. Seem to get similar numbers at the various stages as well. Can both methods be used in this example? Or is one preferred?

Phew, I've struggled with this so glad to hear I've sussed it out. Thanks.