Density Of Mercury In Lb/ft3
| Chapter |
| 1. Nuts |
| 2. Fluid Statics |
| 3. Kinematics |
| four. Laws (Integral) |
| v. Laws (Diff.) |
| half dozen. Modeling/Similitude |
| 7. Inviscid |
| viii. Pasty |
| 9. External Flow |
| 10. Open-Aqueduct |
| Appendix |
| Basic Math |
| Units |
| Basic Equations |
| Water/Air Tables |
| Sections |
| Search |
| eBooks |
| Dynamics |
| Statics |
| Mechanics |
| Fluids |
| Thermodynamics |
| Math |
| Author(s): |
| Chean Chin Ngo |
| Kurt Gramoll |
©Kurt Gramoll  |
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| In this section, mass density will exist introduced. The concept of the specific weight will likewise be presented. | ||||||||||||||||||||||||||||||||||||||||||||||||||||
| Mass Density | ||||||||||||||||||||||||||||||||||||||||||||||||||||
 Mass Density | The mass density (ρ) of a fluid is defined every bit the ratio of the mass of the fluid (m) to its book (5). That is, The SI unit of measurement for the mass density is kg/m3 while the English language unit is slugs/ft3. For liquids, mass density is not a stiff role of temperature and pressure. Hence, density is more often than not causeless to be contained of the temperature and pressure level for liquids. On the other hand, for gases, density varies with both temperature and pressure. The relation betwixt ρ, T and P for gases is given by the ideal gas law, which will be presented in a after section. The density of unlike liquids has a wide range. For instance, the density of water at 16oC is 999 kg/m3 while the density of mercury at 20oC is thirteen,550 kg/chiliad3. In lodge for an object to float in a liquid, the density of the object must be less than that of the liquid. For example, a copper cube (ρ = nine,000 kg/m3) will sink in h2o but information technology will float on mercury. | |||||||||||||||||||||||||||||||||||||||||||||||||||
| For gases, a similar phenomenon can be observed. Consider the balloons, every bit shown in the figure. The density of helium inside the balloons is less than the surrounding air for a given temperature and force per unit area, hence the balloons rise in air. For more than information on this bailiwick, readers are referred to the discussion of buoyancy. | |||||||||||||||||||||||||||||||||||||||||||||||||||
| Specific Weight (or Weight Density) | ||||||||||||||||||||||||||||||||||||||||||||||||||||
| The specific weight, γ, of a fluid is defined as where chiliad is the gravitational acceleration. Basically, the specific weight represents weight per unit volume. Sometimes it is also referred to as the weight density. The SI unit of measurement for the specific weight is Northward/miii while the English unit is lb/ftiii. | ||||||||||||||||||||||||||||||||||||||||||||||||||||
| Specific Gravity | ||||||||||||||||||||||||||||||||||||||||||||||||||||
| Specific gravity is but the ratio of the specific weight of a given liquid to the specific weight of h2o at 4° C (γwater = 9.81 kN/mthree or 62.4 lb/ft3). This definition is helpful when comparing densities of different liquids. | ||||||||||||||||||||||||||||||||||||||||||||||||||||
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Density Of Mercury In Lb/ft3,
Source: https://www.ecourses.ou.edu/cgi-bin/eBook.cgi?topic=fl&chap_sec=01.1&page=theory
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