∂ Q2: What are the types of matter enfolded under fluids. - Published on 05 Aug 15. a. Ans: Anything that has the property to flow categorizes as fluid. It is denoted by a Greek symbol ρ (rho). It is defined as the weight possesses per unit volume. Your email address will not be published. The pressure of a fluid is the force applied by it per unit area. It decreases with increase in temperature and increases with increase pressure. Creative Commons Attribution-ShareAlike License. The water we drink, the air we breathe are all examples of fluids. ( Kelvin is the most common one that is used because of its independence from the properties of the substance. It can be expressed as the volume that a fluid occupies per unit mass. In addition to the properties like mass, velocity, and pressure usually considered in physical problems, the following are the basic properties of a fluid. {\displaystyle \gamma =\rho } = For gases we take air or O2 as a standard fluid with density, ρ=1.293 kg/m3. I.e., The density of a fluid, is generally designated by the Greek symbol ρ = τ Mass density or Density is defined as the mass per unit volume i.e., mass of the fluid contained in 1m3 volume. ρ Temperature is measured in either Kelvin or Celsius or Fahrenheit. * g, g = local acceleration of gravity and where u is the average fluid velocity within the pipe and d is the inside diameter of the pipe. S liq = ρ (any fluid)/ ρ (water) 5. Ans: Carbon dioxide< Air< Water< Seawater. μ Q9: Define the specific volume. The specific weight of water is 9.81 × 1000 N.m-3. Q10: What is the relation between specific volume and density? Ans: Physical properties of fluids such as appearance, colour, and odour. = R e Namely, Kinematic, Thermodynamic and Physical properties. d It is the property of a fluid that quantifies resistance to flow of the fluid. These properties can be broadly categorized under: Density of a fluid is defined as the ratio of the mass of the fluid to its volume. ρ Involves velocity, pressure, density and temperature as functions of space and time ... Water - Specific Volume - Online calculator, figures and tables showing Specific Volume of water at temperatures ranging from 0-370 °C and 32 - 700 °F - Imperial and IS Units; Ans: Specific volume is expressed as the volume that a fluid occupies per unit mass. 0.001 m /kg 1000 1 1 So the specific volume of water is: 3 Weight Density The weight density (originally known as the specific weight) of a fluid is its weight per unit volume, m Reynolds number (after Osborne Reynolds, 1842–1912) is used in the study of fluid flows. = ... specific weight (b) specific volume (c) specific speed (d) specific gravity (e) specific viscosity. Dynamic Viscosity Its unit is kg/m3. ν V γ ρ 055 ν The density of water is 1000 kg.m-3 while density of air is 1.225 kg.m-3. Muzychka . d V The surface tension of water at 100°C is 0.059 N.m-1 and at 0°C it is 0.079 N.m-1. y {\displaystyle Re={\frac {\rho VL}{\mu }}={\frac {VL}{\nu }}}. The specific weight of a fluid is designated by the Greek symbol = b. Though a property of the fluid, its effect is understood only when the fluid is in motion. The following properties of fluids are of general importance to the study of fluid mechanics. 0 In fluid mechanics, specific volume is the reciprocal of density. Q5: Name the Kinetic property of a fluid? ν R Surface tension is defined as the phenomenon in which the surface of liquid is in contact with another phase. V Fluid Mechanics Buoyancy - Specific Gravity with Water Weight: Specific Gravity: Object in Air Weight: Equal Volume of Water Weight: Related Calculator: 2.1.2. It can be expressed as the volume that a fluid occupies per unit mass.
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