Recent content by spree

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    Question about thick walled cylinder

    oh because there are two principle stresses? I think I got it now I was missing something basic.
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    Question about thick walled cylinder

    Hi, Thank you so much for your answer. Cylinder is open ended so sigma_L must be zero. no force in that direction. I have found sigma_r and sigma_t also. but in the lecture the teacher had not said anything about shear stress in thick walled cylinders that's why i got confused in the first...
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    Question about thick walled cylinder

    Hi. I'm a third year ME student and I am confused about something. I've just started to take ME design course this semester and this is from my first hw. I solved everything but i don't know about the shear stress. since there is no torsion I want to say there is no shear stress but i doubt that...
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    Heat Transfer Through a Plane Wall

    oh ure right. new to the subject, just trying to learn sorry :) btw I personally know professor cengel and i will inform him about this. I will let you know about it. if you suspect any other mistake in the book feel free to ask please.
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    Heat Transfer Through a Plane Wall

    arent we suppose to take temp. as kelvin here?