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

When supersonic flow impinges on a blunt body—a body withouta sharply pointed nose, the wedge half-angle dat the nose is 90°, a ...

corresponds to a normal shock, and the weak case,b
bmin, represents the weakest possible oblique shock at that Mach number, whic ...

where we must be careful to measure the angle relative to the newdirection of flow downstream of the expansion, namely, parallel ...

858 | Thermodynamics FIGURE 17–47 The complex interactions between shock waves and expansion waves in an “overexpanded” superson ...

Chapter 17 | 859 Analysis Because of assumption 2, we approximate the oblique shock deflection angle as equal to the wedge half- ...

17–6 ■ DUCT FLOW WITH HEAT TRANSFER AND NEGLIGIBLE FRICTION (RAYLEIGH FLOW) So far we have limited our consideration mostly to i ...

as heat transfer through the duct wall at the same rate and disregarding any changes in chemical composition. This simplified pr ...

a state function, and the entropy change of an ideal gas with constant specific heats during a change of state from 1 to 2 is gi ...

except for the narrow Mach number range of Ma 1 in sub- sonic flow (see Example 17–13). Both temperature and the Mach num- ber ...

864 | Thermodynamics EXAMPLE 17–13 Extrema of Rayleigh Line Consider the T- sdiagram of Rayleigh flow, as shown in Fig. 17–54. U ...

Chapter 17 | 865 Therefore, sonic conditions exist at point a, and thus the Mach number is 1. Setting dT/ds
(ds/dT)^1
0 and ...

Property Relations for Rayleigh Flow It is often desirable to express the variations in properties in terms of the Mach number M ...

Also, (17–66) which simplifies to (17–67) The five relations in Eqs. 17–63, 17–65, and 17–67 enable us to calculate the dimensio ...

868 | Thermodynamics EXAMPLE 17–15 Rayleigh Flow in a Tubular Combustor A combustion chamber consists of tubular combustors of 1 ...

Chapter 17 | 869 Discussion Note that the temperature and velocity increase and pressure decreases during this subsonic Rayleigh ...

ordinarily one would expect the steam to start condensing when it strikes the saturation line. However, this is not always the c ...

Chapter 17 | 871 Analysis We denote the entrance, throat, and exit states by 1, t, and 2, respectively, as shown in Fig. 17–60. ...

872 | Thermodynamics (b) The velocity of sound and the Mach numbers at the throat and the exit of the nozzle are determined by r ...

Chapter 17 | 873 Nozzles whose flow area decreases in the flow direction are called converging nozzles. Nozzles whose flow area ...

874 | Thermodynamics Stagnation Properties 17–1C A high-speed aircraft is cruising in still air. How will the temperature of air ...