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Dan's user avatar
Dan's user avatar
Dan
  • Member for 9 years, 5 months
  • Last seen more than 5 years ago
15 votes
Accepted

Will more electricity be generated by using a lens to focus sunlight onto solar cells?

13 votes

Would a "lifting body" design be useful for a train car?

11 votes
Accepted

How do you attach something temporary to a smooth metal shaft?

10 votes

What kind of math do engineers really use?

10 votes

In aluminum machining, what are the most common factors that might cause a machined component to have warping issues?

10 votes
Accepted

How would adding a wind deflector in front of roof-mounted solar panels affect drag on an RV?

9 votes
Accepted

Convergent-Divergent Nozzle Design from Exhaust Velocity

5 votes

Are light coloured roofs more durable? If so, why aren't they more common?

5 votes

How to prevent vibration loosening whilst maintaining adjustability?

5 votes

For a small valve in a fluid system, what is the relationship between pressure and flow rate?

5 votes

What relationship is there between mass of water vapour produced in combustion and the energy lost through producing this water?

4 votes
Accepted

6082 Aluminium softened by brazing. How to harden?

4 votes
Accepted

What is "flow instability" in porous media?

3 votes

Sliding mode surface derivative using numerical method

3 votes
Accepted

Wheel rolling resistance

2 votes

What is the area when calculating the drag coefficient for a race car wing?

2 votes
Accepted

Derivation of Overall Mass Transfer Coefficient

2 votes

Ratio between heat transfer coefficient and thermal conductivity

2 votes

What is the Best Heat Resistant Translucent Material?

2 votes

Which turbulence models are suitable for CFD analysis on a streamlined vehicle body?

2 votes
Accepted

Dead weight pressure tester for very low positive pressures

2 votes

Affixing a thermocouple to a surface

1 vote

How do cyclonic vacuum cleaners maintain collection efficiency with constant motion and changes in orientation?

1 vote

How much can Protactinium degrade the efficiency of the Thorium fuel cycle?

1 vote
Accepted

How is the mass of air in the intake manifold calculated in an electronically fuel injected vehicle?

1 vote

Practical method of calculating coefficient of contraction?

1 vote
Accepted

What is the difference between 250W band heater and a 200W one?

1 vote

Can I neglect kinetic energy when modeling convective heat transfer for viscous, low mach airflow? Why or why not?

1 vote
Accepted

Magnetohydrodynamics, ionizing combustion exhaust then converting its kinetic energy to electricity