[SS2S-Main] Calculated wall temperatures at the leading edge
- From: Vicente Alvero Zambrano <vicente_alvero_14@xxxxxxxxxxx>
- To: "sugarshot@xxxxxxxxxxxxx" <sugarshot@xxxxxxxxxxxxx>
- Date: Sun, 20 Apr 2014 18:27:31 +0200
Can anyone help me with this problem? It is to add it to the report of ablative
materials to the leading edge.
Heating calculations at the leading edge, on the 10 mm thick carbon ber, and at
a station 50 mm behind the leading edge have been madefor model at a stagnation
temperature of 1500 oC by using simpleheat balance relations. General
assumptions made in performing thesecalculations are as follows: No
temperature gradients along the surface or through the ma-terial No
radiationAssumptions made in performing the calculations at the leadingedge are
as follows: Flow is laminar Adiabatic wall temperature equal to the
stagnation temperature No conduction to the carbon ber enclosed by the
ablatorAsumptions made in performing the calculations behind the lead-ing edge
are as follows: Turbulent ow existed from the leading edge Van Driest 's
values of the turbulent at-plate skin friction wereapplicable Reynold's
analogy constant was 0.6. Recovery factor was equal to the cube root of the
Prandtl numberbased on wall temperature
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