Engineering, 04.12.2021 03:00 bobjill1609
No par de polias da figura a transmissão de potência e movimento é realizada por uma correia plana. A polia menor está acoplada um eixo motor, cuja rotação é igual a 1000 rpm e a potência desse motor é igual a 4000 W. A distância entre os centros das polias é igual a 2,5 m. O diâmetro da polia motora (1) é igual a 0,3 m e o diâmetro da polia movida (2) é igual a 0,6 m. Determinar a força tangencial atuante na correia.
Answers: 3
Engineering, 03.07.2019 14:10
If the thermal strain developed in polyimide film during deposition is given as 0.0044. assume room temperature is kept at 17.3 c, and thermal coefficient of expansion for the film and the substrate are 54 x 10^-6c^-1 and 3.3 x 10^-6c^-1respectively. calculate the deposition temperature.
Answers: 3
Engineering, 04.07.2019 18:10
An air conditioning system consist of a 5 cm diameter pipe, operating at a pressure of 200 kpa. the air initially enters the pipe at 15°c with a velocity of 20 m/s and relative humidity of 80%. if the heat supply throughout the process is 960 w, determine the relative humidity and the temperature at the outlet
Answers: 3
Engineering, 04.07.2019 18:20
Air flows over a heated plate àt a velocity of 50m/s. the local skin factor coefficient at a point on a plate is 0.004. estimate the local heat transfer coefficient at this point.the following property data for air are given: density = 0.88kg/m3 , viscosity 2.286 x 10 ^-5 kgm/s , k = 0.035w/mk ,cp = 1.001kj/kgk. use colburn reynolds analogy.
Answers: 1
Engineering, 04.07.2019 19:10
Starting wih an energy balance on a rectangular volume element, derive the one- dimensional transient heat conduction equation for a plane wall with constant thermal conductivity and no heat generation.
Answers: 1
No par de polias da figura a transmissão de potência e movimento é realizada por uma correia plana....
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