![]() ![]() In this situation, the decision that seems more logical to me is to put the pressure gauge in the bottom of the tank. The second case would be if the tank contains a liquid, especially when the tank is large. Thus, I can put it anywhere in the tank if it contains a gas. Since the gravitational effects of gases are negligible, the pressure anywhere in the tank and at position 1 has the same value. The trust force acting on the horizontal bottom of a submerged container can be calculated as F pb A g hb A (2b) The thrust on a bottom with width 1 m and length 2 m - on depth 1 m - in a water filled container can be calculated as F g hb A (1000 kg/m3) (9.81 m/s2) (1 m) ((1 m) (2 m)) 19620 N 19. In this situation, Çengel's Fluid Mechanics book clarified it to me: The first case would be if the tank contains a gas. I do not see how a large diameter tank with a ring wall can be constucted such that the bottom is fully supported.īecause of the odd shell-to-bottom joint configuration, I also do not believe such tanks can comply with API-650.Studying the basic concepts of Fluid Mechanics, applied to pressure gauges, and looking at schematics in many places, a question came into my mind: Where is the right place to put the pressure gauge to measure the pressure of a tank? Click hereto get an answer to your question In the figure shown, Find (a) the total force on the bottom of the tank due to the water pressure. In my opinion, only smaller diameter tanks should even consider these bottoms. Total force ( x (23.0 m)2 x 15.0 m) x (0.7 kg/L) x (9.8 m/s2) Total force 1. When the tanks were installed, the space between the bottom and the supporting floor was carefully filled with grout (some holes had to be drilled for grout placement and venting. The shell extended down to the floor (a continuous slab was used for support) and inside the tank the flat-bottom was sloped. ![]() My recollection is that they were all smaller (shop-built)tanks. but it was in the pulp-and-paper industry. I have also have encountered these "single slope bottom" tanks. If the total bursting force is to be taken care of by the hoops, find tension in each hoop if water stands 2 m in the tank. The diameters at the top and bottom are 2m and 3m, respectively. There is little discussion in this handbook of single slope tanks. An open tank in the shape of a frustum of a cone is bound by two hoops, one at the top and the other at the bottom. In the book "Aboveground Storage tanks" by Myers, the three bottom configurations described are "single slope", "cone up" and "cone down". ![]()
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