![]() ![]() Τ = (0.018 Pa*s)*(0.35 s (-1)) = 0. (1) can be rearranged to express Dynamic viscosity as dy / dc / (1b) In the SI system the dynamic viscosity units are N s/m 2, Pa s or kg/(m s) - where. Water is a liquid at standard ambient temperature and pressure, but it often co-exists on Earth with its solid state, ice, and gaseous state, steam (water vapor). A water molecule contains one oxygen and two hydrogen atoms that are connected by covalent bonds. Τ = η * γ and then substituting the values, Water is a chemical compound with the chemical formula H2O. Η = (0.76 N/m 2) / (0.5 (1/s)) = 1.52 (N*s) / m 2 = 1.52 Pa*sĢ) What is the pressure necessary to move a plane of fluid with a shear rate of 0.35 s (-1) and a dynamic viscosity of 0.018 Pa*s?Īnswer: From the formula of dynamic viscosity we can find the share stress, If you are looking for help on related concepts of Physics access our Physics. You can get a good grip on the concept after referring to the Viscosity Formulae Collection. You need not bother about the topic of viscosity anymore as we have mentioned all the Viscosity Formulas completely. According to its dynamic viscosity, to which one of these fluids corresponds?Īnswer:First calculate the dynamic viscosity using the formula above, where τ=0.76 N/m 2 and γ=0.5 s (-1). Viscosity is nothing but a fluids resistance to flow. Dynamic viscosity is the tangential force required to move one horizontal plane of a fluid with respect to another.ĭynamic viscosity = shearing stress / shearing rate changeġ) We have a fluid with a shear rate of 0.5 s (-1) and a shearing stress of 0.76 N/m 2. ![]()
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