Engineering, 27.11.2019 22:31 andrwisawesome0
During a high reynolds number experiment, the total drag force acting on a spherical body of diameter d = 12 cm subjected to airflow at 1 atm and 5°c is measured to be 5.9 n. the pressure drag acting on the body is calculated by integrating the pressure distribution (measured by the use of pressure sensors throughout the surface) to be 4.9 n. determine the friction drag coefficient of the sphere. take the density and kinematic viscosity of air at 1 atm and 5°c as rho = 1.269 kg/m3 and v = 1.382 × 10–5 m2/s and the drag coefficient of the sphere in turbulent flow as cd = 0.2. (round the final answer to four decimal places.)
Answers: 3
Engineering, 04.07.2019 18:10
Water in a partially filled large tank is to be supplied to the roof top, which is 8 m above the water level in the tank, through a 2.2-cm-internal-diameter pipe by maintaining a constant air pressure of 300 kpa (gage) in the tank. if the head loss in the piping is 2 m of water, determine the discharge rate of the supply of water to the roof top in liters per second.
Answers: 3
Engineering, 04.07.2019 18:10
Ifa component is made of two or more materials with different modulus of elasticity (e), it is called a composite member and we calculate the factor·n". mention the formula for calculating n". also, ifn> 1, explain what will happen to the 1. transformed.gi) ifn 1, what will happen to the material when transformed material when
Answers: 1
Engineering, 04.07.2019 18:20
Describe one experiment in which the glass transition temperature and melting temperature of a totally amorphous thermoplastic material can be determined. show the relevant experimental results in a diagram which should be properly annotated with the two temperatures clearly marked. what is likely to happen to the curve in the diagram if the amorphous polymer is replaced by a thermosetting type?
Answers: 2
Engineering, 04.07.2019 19:10
Plan an experiment to measure the surface tension of a liquid similar to water. if necessary, review the ncfmf video surface tension for ideas. which method would be most suitable for use in an undergraduate laboratory? what experimental precision could be expected?
Answers: 2
During a high reynolds number experiment, the total drag force acting on a spherical body of diamete...
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