... English texts for Mechanical engineering At VTPU English for Mechanical engineering is a compulsory subject in training program for teachers and higher technicians at VTPU It is designed for students ... learning and teaching ESP for Mechanical Engineering at VTPU 2.1 Questionnaires for students 2.1.1 The analytical frame work of the questionnaires for the students The students? ?? questionnaires ... the textbook 2.1.2 The students? ?? motivation for learning ESP for Mechanical Engineering The result of Question 1 in the students? ?? questionnaire shows that most students (108 students- 90%) thought
Ngày tải lên: 29/01/2014, 14:35
... 340.3 m s-' 68 Aerodynamics for Engineering Students Therefore, true air speed = M a = 0. 728 x 340.3 24 8 m s-' = 89 1 km h-' In this example, ~7= 1 and therefore there is no effect due ... Aerodynamics for Engineering Students slightly less than the cruising lift coefficient. In such a case the aeroplane will have the benefit of a low value of the drag coefficient for the wing ... theoretically as shown in Fig. 1.29. Line (a) for which dCM/dCL fi - is for CM measured about the leading edge. Line (c), for which the slope is zero, is for the case where CM is measured about
Ngày tải lên: 08/08/2014, 11:21
Aerodynamics for engineering students - part 3 pot
... of the equipotential Q = 0 for the isolated source and the isolated sink, but not for the combination 1 23 124 Aerodynamics for Engineering Students Therefore... Bernoulli’s equation ... 102 Aerodynamics for Engineering Students 3 Transport equation for contaminant in two-dimensional flow field In many engineering applications one is interested in ... : Therefore p-po=-pU 2 2 [ 1- (2sin0f- 2 r u a>’ (3. 49) 133 134 Aerodynamics for Engineering Students This equation differs from that of the non-spinning cylinder in a uniform stream
Ngày tải lên: 08/08/2014, 11:21
Aerodynamics for engineering students - part 4 doc
... general conformal transformation that gave a family of aerofoils with trailing edges of finite angle. Aerofoil theory based on conformal transformation became a practical tool for aerodynamic ... Motorluftschiffahrt, 1; 281 (1910) and 3, 81 (1912). 168 Aerodynamics for Engineering Students Fig. 4.7 The vertical static pressure force or buoyancy h, on the circular boundary is the sum ... Moreover, all the * see footnote on page 161. 170 Aerodynamics for Engineering Students iy z plane 0 U Fig. 4.8 Zhukovsky transformation, of the flow around a circular cylinder with circulation,
Ngày tải lên: 08/08/2014, 11:21
Aerodynamics for engineering students - part 5 pot
... +0.36364cosq where a! is now in radians For convenience... the lift-versus-incidence curve for an aerofoil section of 250 Aerodynamics for Engineering Students - - Incidence m 0 c ... is certainly suitable for wings with a simple planform shape, e.g. a rectangular wing. Some wing shapes for which it is not at all suitable are shown in Fig. 5.22. Thus for the general case ... the terms, for example where r = d(x -XI)' + (z - ~1)~. In this way, the trigonometric expressions given above can be rewritten as 236 Aerodynamics for Engineering Students
Ngày tải lên: 08/08/2014, 11:21
Aerodynamics for engineering students - part 6 potx
... 300 Aerodynamics for Engineering Students or P1-7@-1 - - for air P2 6 (6.44a) 6.4.4 Density jump across the normal shock Using the previous results, substituting for p2/p1 from Eqn ... 2YM; - (7 - 1) P1 P2 Y+l Y+l Rearrangement gives for the exit Mach number: (6.49) 302 Aemdynamics for Engineering Students For air M:+5 M2 - 2-7Mf-1 (6.49a) Inspection of these ... = p02/po;? and entropy becomes and substituting for AS from Eqn (6.48): (6.56) 306 Aerodynamics for Engineering Students Now for values of MI near unity /3 << 1 and
Ngày tải lên: 08/08/2014, 11:21
Aerodynamics for engineering students - part 9 ppt
... Aerodynamics for Engineering Students Streamwise vortex ( c 1 Saw-tooth... 60" (Fig 8.25) In this way the circulation around the wing can be greatly enhanced *For a recent review on ... convex, m II 4, say; for that labelled linear, m = 1; and for that labelled concave, m N 1/4. One would not normally design a wing for which the flow separates before the trailing edge ... Aerodynamics for Engineering Students X L F 1 Fig. 8.4 Upper-wing-surface pressure distributions with laminar rooftop other hand, only modest maximum suction pressures are permissible before
Ngày tải lên: 08/08/2014, 11:21
Aerodynamics for engineering students - part 10 docx
... Aerodynamics for Engineering Students 2mr 2unr Fig. 9.5 Effect of geometric pitch on airscrew performance a pitch suitable for low-speed fight and take-off is liable to have a poor performance ... airscrew. 542 Aerodynamics for Engineering Students Rei11 trailing helical vortices Hypothetical bound vortex I\ A Fig. 9.8 Simplified vortex system for a two-bladed airscrew ... value of the integral back into Eqn (9.67) gives, for the distance... vlnMo - vln(M0 - rizizt) 556 Aerodynamics for Engineering Students Now if the distance travelled from the
Ngày tải lên: 08/08/2014, 11:21
Aircraft structures for engineering students - part 1 pps
... Aircraft Structures for engineering students To The Memory of My Father Aircraft Structures for engineering students Third Edition T. H. G. Megson i EINEMANN OXFORD AMSTERDAM BOSTON ... book is intended for students studying for degrees, Higher National Diplomas and Higher National Certificates in aeronautical engineering and will be found of value to those students in related ... experience of teaching aircraft structures I have felt the need for a text- book written specifically for students of aeronautical engineering. Although there have been a number of excellent books
Ngày tải lên: 08/08/2014, 11:21
Aircraft structures for engineering students - part 2 pot
... identically satisfies the third of the equilibrium equations (3.1) whatever form 4 may take. We therefore have to find the possible forms of 4 which satisfy the compatibility equations and the boundary ... Substituting initially for yyz and rxz from Eqs (1.46) and then for T~~(= ryz) and r,,(= r,.) from Eqs (3.2) gbes or 3.1 Prandtl stress function solution 53 Fig. 3.2 Formation of the ... similar manner, Sy, the resultant shear force in they direction, is It follows that there is no resultant shear force on the ends of the bar and the forces represent a torque of magnitude,
Ngày tải lên: 08/08/2014, 11:21
Aircraft structures for engineering students - part 5 pps
... variation of 0.1, K,, = 1. 45 for six specimens, K,, = 1.4 45 for 10 specimens, K,, = 1.44 for 20 specimens and for 100 specimens or more K,, = 1.43 For typical S-N curves a scatter ... Flight envelopes are therefore drawn for a range of altitudes from sea level to the operational ceiling of the aircraft. Several problems require solutions before values for the various load factors ... thicker skins are necessary. Wing panels are therefore frequently machined integrally with stringers from solid slabs of material, as are the wing ribs. Figure 7.11 shows wing ribs for the European
Ngày tải lên: 08/08/2014, 11:21
Aircraft structures for engineering students - part 9 pps
... for cos 8 an , for sin 8 we express the above equations in matrix form as -k I B 0 0 - p X: ] { ; y , j , or, in abbreviated form IF1... built-in end The shear modulus G is the same for ... complete stiffness matrix for a space frame is assembled from the member stiffness matrices in a similar manner to that for the plane frame and the solution completed as before !ss... thin-walled ... grouped toget her Finally, the internal forces in the springs may be determined from the forcedisplacement relationship of each spring Thus, if Sa is the force in the spring joining nodes 1 and
Ngày tải lên: 08/08/2014, 11:21
Aircraft structures for engineering students - part 10 pot
... the deflections under the loads, the forces in the ties and all other information necessary for sketching the bending moment and shear force diagrams for the beam. Neglect axial effects in ... the force-displacement (stiffness) relationship for the beam element shown in Fig. P.12.6(a) may be expressed in the following form: obtain the force-displacement (stiffness) relationship for ... calculate the forces in all the members. For member 123 plot the shear force and bending moment diagrams. Briefly outline the sequence of operations in a typical computer program suitable for linear
Ngày tải lên: 08/08/2014, 11:21
Đề tài the situation of learning english for electrical engineering of d06k52 students in faculty of foreign language, ha noi university of technology
... Bich Ngoc D06K52 Faculty of Foreign Language Ha Noi University of Technology The Situation of Learning English for Electrical Engineering of D06k52 Students in Faculty of Foreign Language, Ha Noi ... in textbook of English for Electrical Engineering: Trang 6 - Students are required to prepare for the lesson by doing homework and tasks their teachers ask them to do -Students are expected ... bad marks of students for EEE The yellow piece shows the highest percentage However, the lowest percentage is invisible because it is 0 % In this chart, yellow is used for Q6a, violet for Q6b, and
Ngày tải lên: 21/09/2014, 16:24
introduction to matlab for engineering students
... return to the standard format, enter format short, or simply format There are several other formats For more details, see the MATLAB documentation, or type help format Note - Up to now, ... vii Preface “Introduction to MATLAB for Engineering Students? ?? is a document for an introductory course in MATLAB R 1 and technical computing. It is used for freshmen classes at North- western ... corrosion. ix [...]... different formats together with the resulting outputs >> format short >> x=-163.6667 If we want to see all 15 digits, we use the command format long >> format long >> x= -1.636666666666667e+002
Ngày tải lên: 24/10/2014, 23:19
Activating students’ specialized knowledge through illustrations for marine engineering vocabulary learning at Maritime College No.1 = Kích hoạt kiến thức chuyê
... questions for the students are used to collect data that relate to the students? ?? attitudes and abilities towards the new marine engineering vocabulary The procedures describe the whole applied performance ... UNIVERSITY OF FOREIGN LANGUAGES AND INTERNATIONAL STUDIES FACULTY OF POST-GRADUATE STUDIES ĐẶNG THỊ HOÀNG YẾN ACTIVATING STUDENTS? ?? SPECIALIZED KNOWLEDGE THROUGH ILLUSTRATIONS FOR MARINE ENGINEERING ... Table 1: Students? ?? attitude towards vocabulary learning 28 Table 2: students? ?? difficulty of guessing the meanings 32 Table 3: students? ?? comment of vocabulary learning 33 CHARTS Chart 1: Students? ??
Ngày tải lên: 28/03/2015, 08:59
Ebook Chemistry for engineering students (2nd edition) Part 2
... written for engineering students like you Students agree—Larry Brown and Tom Holme’s Chemistry for Engineering Students, Second Edition is the ideal introduction to the role of chemistry in engineering ... ash, 392–393 Formaldehyde in auto exhaust, 119 boiling point, 263t from incomplete combustion of propane, 70–72 Formation reactions, 300b, 303–305 Formic acid, 422t Formula unit, 42b Forward reactions, ... definitely recommend this book to other students in chemistry for engineering The writing flows well like a novel You can sit and read it with no effort and enjoy the engineering aspects of chemistry
Ngày tải lên: 19/05/2017, 08:29
Solution manual of aerodynamics for engineering students 7e by houghton
... NEW YORK • OXFORD • PARIS • SAN DIEGO SAN FRANCISCO • SINGAPORE • SYDNEY • TOKYO Butterworth-Heinemann is an imprint of Elsevier SOLUTIONS MANUAL for Aerodynamics for engineering students, sixth ... transformed from (x, y) to (r, φ) by applying the formulas given in the solution for Problem 2.2 Of course, the body force components must be converted from (gx , gy ) to (gr , gφ ) by similar formulas ... the publisher and is confidential until formal publication Houghton — FM-9780080966328 — 2012/1/17 — 22:00 — Page iii — #3 Aerodynamics for Engineering Students Sixth Edition E.L Houghton P.W
Ngày tải lên: 08/11/2019, 14:33
Justifying the usage of concept mapping as a tool for the formative assessment of the structural knowledge of engineering students
... 2011) Therefore, the personal experience includes not only the development of the system itself, but also its use for the formative assessment of students? ?? structural knowledge in different engineering ... to the usage of concept mapping for the purposes of formative assessment Therefore, we agree with Trumpower and Sarwar (2010) that ‘the use of concept maps for formative assessment has been particularly ... difficult for students, as they demand active thinking and form a high cognitive load in comparison with other standard tasks like tests and essays Suitability of concept mapping for the formative
Ngày tải lên: 10/01/2020, 05:47
Tài liệu ASME CODES AND STANDARDS EXAMPKES OF USE FOR MECHANICAL ENGINEERING STUDENTS pptx
... executing, and reporting performance tests. A performance test is an engineering evaluation; its results indicate how well the equipment performs its functions. Performance Test Codes originated ... responsible for issuing construc- tion permits and operating licenses for nuclear power plants, requires confor- mance with certain ASME codes and standards in its regulations. Therefore, to obtain ... next page). The supervisory boards are responsible for pressure technology, nuclear installa- tions, safety codes, performance test codes, conformity assessment, and standardization. The advisory...
Ngày tải lên: 22/02/2014, 09:20