introduction to quantum mechanics
... “third” to “last”; next lines, change to read “ whereas the middle two occur three ways ” • page 205, last paragraph: change every 10 to 13 (eight times); in line change “the second” to “either ... x to y; add “is”: “ and is polarized ” • page 322, Prob 9.20 (b): change “w” to “ω” in the last line • page 323, lines and 3: change “I” to “you” (twice) • page 330, line 5: change “i...
Ngày tải lên: 24/04/2014, 17:11
... Edition A C Phillips Computing for Scientists: R J Barlow and A R Barnett Nuclear Physics: J S Lilley Introduction to Quantum Mechanics: A C Phillips INTRODUCTION TO QUANTUM MECHANICS A C Phillips ... the word same: If the photon moving to the East, say, is observed to have right-hand circular polarization, then the photon moving to the West is certain to be found...
Ngày tải lên: 24/04/2014, 17:12
... beginning of fluid mechanics Fig 1.3 Ancient Greek ship depicted on old vase inclination or supply pressure had to be adjusted to overcome friction with the wall of the conduit This gave rise to much ... was the first to find the least resistive ‘streamline’ shape 4 History of fluid mechanics Leonardo da Vinci (145 2-1 519 ) An all-round genius born in Italy His unceasing z...
Ngày tải lên: 22/10/2012, 10:59
Introduction to fluid mechanics - P2
... Kinematic viscosity B Y units 0 1 0 0 m kg -3 -1 1 1 -1 -1 -2 -2 -2 -2 -1 -1 S mls m/s2 kg I m3 N = kg m/s2 Pa = N/m2 J Pa s m2/s Characteristics of a fluid 2.2.2 Dimension All physical quantities ... proportional to the velocity gradient duldy Such fluids are called Newtonian fluids On the other hand, liquid which is not subject to Newton's law of viscosit...
Ngày tải lên: 22/10/2012, 10:59
Introduction to fluid mechanics - P3
... semiconductor strain gauge PGM-C Pressure range (MPa) Natural frequency (kHz1 Response frequency (kHz1 PE-J, P (a) Small size 0. 2-1 o 2 5-4 0 5-8 (b) For indicating pressure of an engine 5-2 0 2 5-4 0 5-8 ... pdAor ( ) p+-dz dA-pgdAdz=O 24 Fluid statics Fig 3.4 Balance of vertical minute cylinder dp _ - -PS &" (3.6) Since p is constant for liquid, the following equation ens...
Ngày tải lên: 22/10/2012, 10:59
Introduction to fluid mechanics - P4
... direction moves to A‘B’ while rotating by dq, and AD in the y direction rotates by de, Thus av de - - dxdt - ax at4 d = dydt E aY de - L = - d av d~ t I - dx ax de = dt dE2 dy au - ay The angular ... case of two-dimensional flow where w = V is an operator which represents a a a ax ay az i-+j-+k- where i,j , k are unit vectors on the x, y z axes 50 Fundamentals of f...
Ngày tải lên: 22/10/2012, 10:59
Introduction to fluid mechanics - P5
... momentum: - (D’ increase in momentum: R - d2)pu: 71 -p[D2u: 71 + -d’pui - (0’ - d2)u: - d’ui] 71 force acting on the fluid: -D’(p, - p ) By the law of momentum, ~ [ D ’ u - (D’ - d2)u: - d ’ ~ ... respectively Then from Bernoulli’s equation Pl u: 2g P2 -+ -+ z PS VI - PS 29 +-+ z2 Assuming that the pipe line is horizontal, z1 = 22 v2 - v: -...
Ngày tải lên: 22/10/2012, 10:59
Introduction to fluid mechanics - P6
... following equation: a u a u au du = -dt + dx -dy at ax ay + Therefore, du _ - -au + -audx- ~ -audy- + ~ -+ +u dt at axdt aydt at au ax aU ay Substituting this into eqn (6.4), Next, the force F acting ... d y = -h3 dP 12pdx From this equation, the mean velocity u is Q = - = -h2 dP = - u1 h 12pdx 1.5 (6.23) (6.24) The shearing stress z due to viscosity becomes ldp z = p - d...
Ngày tải lên: 22/10/2012, 10:59
Introduction to fluid mechanics - P7
... efficiency q for a diffuser is therefore P2-P1 - q=-P2th - PI hs (0: - U:)/2s (7.31) Substituting in eqn (7.28), the above equation becomes q = - c - 02 - - + 02 - Al/A2 + Al/A2 (7.32) Convergent pipe ... losses in pipe lines 125 P P -+ - v: = -+ -+ P9 29 h, 29 P9 Therefore €72 - PI - - P9 hs 29 (7.29) Putting pzth p for the case where there is...
Ngày tải lên: 22/10/2012, 10:59
Introduction to fluid mechanics - P8
... (8.6) and (8.7) (-) v =- A 2'3i1,2 n s Q = -1 i A5/3 - ll2 n s2I3 A = r2(;) - ?cos(;) = r2(e- sin e) sin(;) s = re ( m = - 1-2 r si:e> i.e n -T)] Z( 1-7 ) sin 'I3 v=-i112[;(1 Q = -i'121 n sine 'I3 ... cross-sections are uniform and whose banks are covered with wild grass Bending river with large stones and wild grass 0.01 0-0 .013 0.01 2-0 .018 0.01 3-0 .017 0.01...
Ngày tải lên: 22/10/2012, 10:59
Introduction to fluid mechanics - P9
... Bernoulli’s equation produces the following result: u2 Pd +P2 +2 pm -= p P-Pm= - -Po, PU2/2 p(U2 - Ui) (1 -4 sin28) - pu’ - -4 sinz0 (9.6) The drag of a body 151 Table 9.2 Drag coefficients for ... Drag and lift L=2 -( p-p,)rodBsin8 1n/2 ( I', u+roo = - r o p u r - 2U sin [I -XI2 (k) sin dB = - r o p U r [l - r w - z4s r n B - s i n io -4 2...
Ngày tải lên: 22/10/2012, 10:59
Introduction to fluid mechanics - P10
... = [L-’MT-’][L-3M]“[L T-’]’[L]” - L 1-3 x+y+zMl+xT-l-y (10.5) i.e L: - I - ~ x + Y + z = O M: T: l+x=O -l-y=O Solving the above simultaneously gives x =-1 y =-1 z =-1 Substituting these values into ... the first non-dimensional group n, formed with D, is n1 = DpxUydz= [LMT-2][L-'M3x[LT-']y[L]' - L 1-3 x+y+zMl+xT-2-y ' (10.3) In general the basic dimensions in dynamics...
Ngày tải lên: 22/10/2012, 10:59