pneumatic system can convey a product at any place a pipe line can run. Pneumatic conveying can be used for particles ranging from fine powders to pellets and bulk densities of 16 to 3200 kg/m3 (1 to 200 lb/ft3). As a general rule‚ pneumatic conveying will work for particles up to 2 inches in diameter @ typical density. By "typical density" we mean that a 2 inch particle of a polymer resin can be moved via pneumatic conveying‚ but a 2 inch lead ball would not. Types of Pneumatic Conveying There are
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Calculate the energy change (q) of the surroundings (water) using the enthalpy equation qwater = m × c × ΔT. We can assume that the specific heat capacity of water is 4.18 J / (g × °C) and the density of water is 1.00 g/mL. The water has absorbed the heat of the metal. So‚ qwater = qmetal m=mass of water= density x volume = 1 x 26 = 26 grams ΔT = T(mix) – T(water) = 38.9 – 25.3 = 13.6 q(water) =26 x 13.6 x 4.18 q(water) = 1478 Joules 2. Using the formula qmetal = m × c × ΔT‚ calculate
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application of rigorous optimization techniques to identify the critical subset of potential discontinuities‚ and hence also the critical failure mechanism and margin of safety. The accuracy of the DLO solution is controlled by the specified nodal density. Within the set of all possible discontinuitiues linking pairs of nodes‚ all potential translational failure mechanisms are considered‚ whether anticipated or not by the engineer. Failure mechanisms involving rotations along the edges of solid bodies
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non-scattering‚ absorbing medium‚ the intensity of the light after passing though the medium is given by: (1) Where I(0) is the intensity at s=0‚ a is the absorption cross section of a single particle for radiation of wavelength ‚ n is the number density of the medium‚ and s is the length of the medium. We can apply the relationship to solar radiation passing though the atmosphere. From equation 1‚ we find that ‚ the transmissivity of the slant path of the atmosphere at a given wavelength is
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Part I: 1. Calculate the energy change (q) of the surroundings (water) using the enthalpy equation qwater = m × c × ΔT. We can assume that the specific heat capacity of water is 4.18 J / (g × °C) and the density of water is 1.00 g/mL. qwater = m × c × ΔT m = mass of water = density x volume = 1 x 26 = 26 grams ΔT = T(mix) - T(water) = 38.9 - 25.3 = 13.6 q(water) = 26 x 13.6 x 4.18 q(water) = 1478 Joules SPECIFIC HEAT: qmetal = -205 J = 15.363 g X c X (27.2 - 100.3 C) c
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Daniel H. Perry Procedures of Measurement and Density of Sugar in Soda Introduction The main focus of this lab was to acquire a basic understanding of how to properly use measuring devices in order to determine properties of a liquid. These properties are volume‚ mass‚ and density. The following measurements were obtained in the lab: density of water‚ both density and concentration of aqueous sugar solutions‚ and density of various soft drinks with respect to sugar. Additional experience was
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[N] A = area [m2] For atmospheric pressure only 3.2 Pressure in Liquids Pressure in liquids are not dependent on the size or shape of the container; only on its depth. P = hρ g where P = pressure [Pa] h = height of liquid [m] ρ = density of liquid [kg m-3] g = gravitational acceleration [m s-2] 3.3 Atmospheric and Gas Pressure 3.3.1 Atmospheric Pressure • Atmospheric pressure is measured by barometers. Mercury barometer Chapter 3: Forces and Pressure Aneroid barometer
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method would consistently test the foam and ensure it has the correct density? Background: There are words that need to be understood before executing the experiment. The first thing you need to know is density. Density is a measure of mass per unit of volume. The reason for testing density of doors because doors must contain a density of 14.34lbs per ft3 of foam‚ or it will collapse if the density is too high. If the density is too low‚ it won’t allow for normal expansion during weather changes
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experiment concerning Archimedes’ Principle to determine the density of solids and liquids using Archimedes’ Principle. For the density of solids‚ they had made use of spring balance to measure the mass of the metal samples‚ which were tied via string‚ in air and when immersed inside a 2000mL beaker‚ where H2O lies. They had computed the density of each sample metal using the formula: ϱs = maϱw / ma - mw and computed a percentage error. As for the density of liquids‚ they had filled a graduated cylinder with
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Part I: Density of Unknown Liquid Calculate the mass of the liquid for each trial. (Subtract the mass of the empty graduated cylinder from the mass of the graduated cylinder with liquid.) Trial 1: Empty graduated cylinder is 25.5 subtracted from 36.5 of the liquid and the cylinder combined equals 11 grams of liquid. Trial 2: 36 grams of water and liquid combined minus the 25.5 of the empty cylinder means equals 10.5 grams of liquid only. Trial 3: Again 36 grams of liquid and the empty cylinder
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