User Paul

0 votes

1 answer

1k views

Deriving the equations of motion for free-floating spacecraft with a single link robot arm

asked Nov 26, 2018 at 17:09

1 vote

1 answer

158 views

Can isotropic materials become anisotropic under elastic deformation?

asked Nov 2, 2018 at 21:35

1 vote

2 answers

4k views

How can I calculate the buoyant force on an object without knowing in advance the amount of water displaced?

asked Mar 27, 2018 at 17:24

1 vote

4 answers

960 views

How to measure the pressure inside a bottle rocket?

asked Aug 14, 2017 at 17:02

2 votes

1 answer

123 views

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

asked Dec 26, 2016 at 15:16

2 votes

1 answer

369 views

How to measure calories actually burned from exercise?

asked Dec 16, 2016 at 23:47

2 votes

0 answers

260 views

Obtaining the correct flat plate turbulent boundary layer thickness in a CFD simulation

asked Oct 3, 2016 at 15:28

5 votes

1 answer

529 views

How to measure turbulence parameters experimentally?

asked Jul 23, 2016 at 21:16

4 votes

2 answers

705 views

Should I expect fluid velocity within a pipe to increase beyond the inlet velocity?

asked Jul 11, 2016 at 20:15

4 votes

0 answers

456 views

How should I set the turbulent prandtl number in a turbulent compressible flow simulation?

asked Apr 15, 2016 at 21:38

6 votes

1 answer

3k views

Deriving the turbulent kinetic energy equation

asked Apr 4, 2016 at 22:05

2 votes

1 answer

2k views

Why use different specific heat capacities in the energy equations for incompressible and compressible fluid flow?

asked Feb 17, 2016 at 16:25

14 votes

1 answer

14k views

Why is Mach 0.3 the threshold separating compressible and incompressible flow?

asked Feb 9, 2016 at 16:13

3 votes

2 answers

188 views

What system of pde's models ice melt flow?

asked Jan 4, 2016 at 17:00

7 votes

3 answers

4k views

What do the zeros of the transfer function tell you about a system?

asked Dec 1, 2015 at 21:50

4 votes

1 answer

832 views

Estimating the time required to heat a rod by a certain $\Delta T$

asked Nov 13, 2015 at 16:40

8 votes

1 answer

360 views

How do I select an appropriate turbulence model?

asked Oct 14, 2015 at 18:34

14 votes

3 answers

54k views

How to determine the characteristic length in reynolds number calculations in general?

asked Oct 9, 2015 at 22:26

6 votes

2 answers

8k views

Is inviscid flow necessarily turbulent?

asked Oct 7, 2015 at 22:32

4 votes

1 answer

2k views

Why do we need to condense steam in the rankine cycle?

asked Sep 5, 2015 at 1:11

6 votes

1 answer

3k views

Why use steam in the rankine cycle?

asked Sep 5, 2015 at 0:53

6 votes

4 answers

812 views

Why do we prefer resistance over conductivity in describing Ohm's law?

asked Jun 15, 2015 at 15:51

6 votes

4 answers

1k views

Can all electromagnetic spectra be focused like a laser?

asked May 31, 2015 at 19:05

3 votes

1 answer

206 views

How to control suction strength on a breast pump?

asked Apr 10, 2015 at 2:48

9 votes

1 answer

313 views

Sensors / processing algorithms to emulate a human's sense of smell

asked Apr 3, 2015 at 17:39

4 votes

1 answer

593 views

Is there a theoretical bound to how tall a structure can be built?

asked Mar 5, 2015 at 18:31

10 votes

2 answers

4k views

Do structural engineers carry insurance for catastrophic errors?

asked Feb 12, 2015 at 20:42

6 votes

2 answers

234 views

When is DC power generation superior over AC power generation?

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13 votes

3 answers

10k views

How different are dc motor designs from dc generator designs?

asked Jan 24, 2015 at 21:51

21 votes

8 answers

3k views

How do engineers really use numerical simulation?

asked Jan 24, 2015 at 5:36

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31 Questions

Deriving the equations of motion for free-floating spacecraft with a single link robot arm

Can isotropic materials become anisotropic under elastic deformation?

How can I calculate the buoyant force on an object without knowing in advance the amount of water displaced?

How to measure the pressure inside a bottle rocket?

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

How to measure calories actually burned from exercise?

Obtaining the correct flat plate turbulent boundary layer thickness in a CFD simulation

How to measure turbulence parameters experimentally?

Should I expect fluid velocity within a pipe to increase beyond the inlet velocity?

How should I set the turbulent prandtl number in a turbulent compressible flow simulation?

Deriving the turbulent kinetic energy equation

Why use different specific heat capacities in the energy equations for incompressible and compressible fluid flow?

Why is Mach 0.3 the threshold separating compressible and incompressible flow?

What system of pde's models ice melt flow?

What do the zeros of the transfer function tell you about a system?

Estimating the time required to heat a rod by a certain $\Delta T$

How do I select an appropriate turbulence model?

How to determine the characteristic length in reynolds number calculations in general?

Is inviscid flow necessarily turbulent?

Why do we need to condense steam in the rankine cycle?

Why use steam in the rankine cycle?

Why do we prefer resistance over conductivity in describing Ohm's law?

Can all electromagnetic spectra be focused like a laser?

How to control suction strength on a breast pump?

Sensors / processing algorithms to emulate a human's sense of smell

Is there a theoretical bound to how tall a structure can be built?

Do structural engineers carry insurance for catastrophic errors?

When is DC power generation superior over AC power generation?

How different are dc motor designs from dc generator designs?

How do engineers really use numerical simulation?