Microsoft Word - Cengel and Boles TOC _2-03-05_.doc

Some Physical Insight to Internal Energy Internal energy is defined earlier as the sum of all the microscopicforms of energy of ...

atom preserves its identity during a chemical reaction but loses it during a nuclear reaction. Atoms may also possess electric a ...

uranium-235 atom absorbs a neutron and splits during a fission process, it produces a cesium-140 atom, a rubidium-93 atom, 3 neu ...

The complete fission of 0.1 kg of uranium-235 releases of heat, which is sufficient to meet the energy needs of the car for whic ...

where P/ris the flow energy,V^2 /2 is the kinetic energy, and gzis the poten- tial energyof the fluid, all per unit mass. It can ...

60 | Thermodynamics CLOSED SYSTEM (m = constant) Work Heat System boundary FIGURE 2–11 Energy can cross the boundaries of a clos ...

A process during which there is no heat transfer is called an adiabatic process (Fig. 2–14). The word adiabaticcomes from the Gr ...

temperature increased; and when caloric was removed from a body, its tem- perature decreased. When a body could not contain any ...

Heat and work are directional quantities, and thus the complete descrip- tion of a heat or work interaction requires the specifi ...

64 | Thermodynamics (Insulation) Room FIGURE 2–20 Schematic for Example 2–3. (Insulation) OVEN Heat POTATO 25 °C 200 °C FIGURE 2 ...

Chapter 2 | 65 System boundary Electric oven Heating element FIGURE 2–22 Schematic for Example 2–5. System boundary Electric ove ...

2–5 ■ MECHANICAL FORMS OF WORK There are several different ways of doing work, each in some way related to a force acting throug ...

Chapter 2 | 67 T = 200 N • m n· = 4000 rpm FIGURE 2–29 Schematic for Example 2–7. Rest position dx x F FIGURE 2–30 Elongation of ...

the work associated with the expansion or contraction of an elastic solid bar by replacing pressure Pby its counterpart in solid ...

Chapter 2 | 69 Elevator car Motor FIGURE 2–34 The energy transferred to a body while being raised is equal to the change in its ...

of a generalized displacement x.Then the work associated with the differen- tial displacement under the influence of this force ...

erty is the total energy.Note that the first law makes no reference to the value of the total energy of a closed system at a sta ...

between the total energy entering and the total energy leaving the system during that process.That is, or This relation is often ...

of a system during a process will change even if only one form of its energy changes while the other forms of energy remain unch ...

74 | Thermodynamics Control volume Q Mass in Mass out W FIGURE 2–45 The energy content of a control volume can be changed by mas ...