# Initial Values for Turbulence Coefficients

**URL:** <https://www.simscale.com/forum/t/initial-values-for-turbulence-coefficients/25950>\
**Category:** Fluid Flow / CFD\
**Created:** [June 3, 2016, 9:19pm UTC](https://www.simscale.com/forum/t/initial-values-for-turbulence-coefficients/25950 "2016-06-03T21:19:17Z")\
**Posts on this page:** 2\
**Page:** 3

<div class="post-metadata">

**Author:** ![vinulfernando](https://www.simscale.com/forum/letter_avatar/vinulfernando/32/6_22734026db12803ebb3e059622ac3534.png) [@vinulfernando](https://www.simscale.com/forum/u/vinulfernando)\
**Post date:** [October 15, 2020, 7:17am UTC](https://www.simscale.com/forum/t/initial-values-for-turbulence-coefficients/25950/41 "2020-10-15T07:17:33Z")

</div>

If I use C as my Chord length, 0.15 m I get turbulent viscosity ratio as 0.0735. Is it fine for my model??

---

<div class="post-metadata">

**Author:** ![Fozan](https://www.simscale.com/forum/user_avatar/www.simscale.com/fozan/32/27368_2.png) [@Fozan](https://www.simscale.com/forum/u/Fozan)\
**Post date:** [October 15, 2020, 5:22pm UTC](https://www.simscale.com/forum/t/initial-values-for-turbulence-coefficients/25950/42 "2020-10-15T17:22:02Z")

</div>

@vinulfernando c is the length scale (m) (in my case, I used length value which is slightly greater than the aircraft length), adjust c so that the ratio will be above or equal to 0.1.

[Previous page](https://www.simscale.com/forum/t/initial-values-for-turbulence-coefficients/25950.md?page=2)