Hong Zhu

5 Questions 3 Answers 0 Followers

Questions related from Hong Zhu

How to choose the α value of artificial viscosity in smoothed particle hydrodynamics?

Given that LaTeX formula cannot be displayed as expected here, you'd better copy and paste it into a Markdown file. This question was proposed on Physic StackExchange yesterday...

15 October 2024 4,081 1 View

How to calculate the osmolality of Hepes solution?

Here is an excerpt from Kollmann et al. (2020, J. Physiol.): "This ring was placed in a recording chamber continuously perfused with 37°C aerated Hepes solution containing (in mM) 136 NaCl, 10...

10 January 2024 4,882 2 View

Does the small intestinal manometry measure the gas pressure or liquid pressure?

Small intestinal pressure is one of the GI motility indicators and its manometry is very advanced nowadays. I wonder if there is any liquid inside the lumen during manometry. I already know the...

29 October 2023 2,547 1 View

Is the temperature gradient smaller where the fluid flows faster?

Consider a pipe in a cylindrical coordinate. The flow is a fully developed laminar flow and the temperature field is T(x, r, θ). At a certain cross section x_0, the mean temperature is T_m and...

31 October 2022 1,018 5 View

How to deduce the truncation error of implicit time forward central space (FTCS) scheme for 1D unsteady convection-diffusion equation?

I cannot understand why the implicitly discretized diffusion term is second-order accurate.

12 October 2022 5,094 2 View