Parameter Amount Units Ref ρCore Current 7675 kg/m3 2.B8 vCore Current = 1/ρCC 1.30E-04 m3/kg ρCore Initial 7884 kg/m3 vCore Initial = 1/ρCI 1.27E-04 m3/kg ∆vOuter Core = vMC – vMI 3.47E-06 m3/kg ∆vFusion 6.70E-08 m3/mol 2 AFe 5.58E-02 kg/mol 3 Molten Fraction - FM = VMolten/VCore 87.5% m3/m3 Trial ∆vFusion = FM∆vF/AFe 1.05E-06 m3/kg ∆vTemperature = ∆vC – ∆vF 2.42E-06 m3/kg βCore 1.50E-05 m3m–3K –1 4 ∆TCore = ∆vC/(βCvC) 1253 K TCore Current 1553 K 5 TCore Initial = TCC – ∆TC 300 K Goal ∆hFusion 5.00E+05 J/kg 6 MMartian Core 1.39E+23 kg 2.B14 ∆HFusion 6.95E+28 J CCore 46 Jmol –1K –1 CCore = CC/AFe 824 Jkg –1K –1 ∆HTemperature = CC∆TCMC 1.44E+29 J ∆HCore Overall = ∆HT + ∆HF 2.13E+29 J Table 2 - Core Expansion STERNBERG Craters and cracks 2023 ICC 59
RkJQdWJsaXNoZXIy MTM4ODY=