Rethinking Design Education for the 21st Century – Theoretical, Methodological, and Ethical Discussion – Alain Findeli
Project description
1 page summary of the article. please use easy english
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2500 RP/M
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3500 RP/M
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4500 RP/M
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Presentation of results.
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Reflection of your learning experience
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Present results graphically as well as numerically
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Conclusion and remarks including a comparison and discussion of results, commenting upon
the effects of differing valve seat angles
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Commentary upon the effect of altering valve materials
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Identification of areas for optimisation
Fig 1
The data of the engine under experimental conditions is as follows; the depth of the adaptor is 90.5mm,
the diameter of the adaptor is 83.5mm, the valve overall diameter is 32.0mm. as per Figure 2 below.
The equation to be used for gas flow is as follows; V (m/s) = L.N / 30000 . (D / d)2
Fig 2
Part 1, b – Literature review
(1000 words)
Carry out a brief literature review into the optimisation of an internal combustion engine induction tract
designed specifically for maximum torque. Your target will be for a flat torque curve over an extended
engine RPM range, as per Figure 3 below. Summarise the key features noted from your research.
Fig 3
You will be required to identify and précis material from a minimum of three independent sources and to
indicate your opinion regarding the quality of the information obtained.
Section 2 – chassis – Chassis analytical design
(600 words)
Use the diagram below (Figure 4) and the vehicle data which follows it;
Fig 4
Mass of vehicle
Wheel base (L) (LWB)
Height of Centre of Gravity (h)
Height of centre of drag force (H)
Air Density
Velocity of car (example) (V)
Projected frontal area (A)
Coefficient of lift (CL)
Coefficient of drag (CD)
Coefficient of pitching moment (CPM)
Coefficient of rolling moment (CRM)
Coefficient of yawing moment (CYM)
Coefficient of side force (CS)
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=
=
=
=
=
=
=
=
=
=
=
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1519.4 Kg
2.315 m
0.285 m
0.7 m
1.225 Kg/m3
120 Km/h
1.29 m2
0.6
0.31
0.04
0.020
0.180
0.02
Given this information, solve the forces per second, for a given second; which act across the axles and
upon each wheel in terms of Pitch, Roll and Yaw moments, and also the generic chassis forces of; Drag,
Lift, Side Force, Pitching, Rolling & Yawing moments, Drag Power Loss & Downforce. Use the equations
below and briefly explain each result and what it means in terms of chassis design. The Units of this data
are critical and marks will be allocated accordingly.
Drag
Lift
Side force
Pitching moment
Rolling moment
Yawing moment
Drag power loss
Downforce
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=
=
=
=
=
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½ ? V2 A CD
½ ? V2 A CL
½ ? V2 A CL CS
½ ? V2 A CPM LWB
½ ? V2 A CRM LWB
½ ? V2 A CYM LWB
Drag x Velocity
Drag x Height of CofG
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