Barametrik formulalar va ularning

Tarkiblar

• 1Bosimi tenglamalar

  
  

• 2Zichligi tenglamalar

  
  

• 3Derivation

  
  

• 4Qarang, shuningdek,

  
  

• 5Ma'lumotnomalar

  
  

Bosimtenglamalari[tahrir]

Shuningdekqarang: atmosferabosimi

Havobosimi p balandlik h funksiyasisifatida (barometrik formula)

86 km (yoki 278,400 fut) ostidaturlibalandlikdabosimhisoblashuchunikkixiltenglamamavjud.Birinchitenglamastandartharoratning o'tishtezligiqiymatinolgatengbo'lmagandaqo'llaniladi:
{\displaystyle {P}=P_{b}\cdot \left[{\frac {T_{b}+L_{b}\cdot (h-h_{b})}{T_{b}}}\right]^{\textstyle {\frac {-g_{0}\cdot M}{R^{*}\cdot L_{b}}}}}
Standartharorat lapse darajasinolgatengbo'lsa, ikkinchitenglamaishlatiladi:
{\displaystyle P=P_{b}\cdot \exp \left[{\frac {-g_{0}\cdot M\cdot (h-h_{b})}{R^{*}\cdot T_{b}}}\right]}
qaerda:
{\displaystyle P_{b}} qmalumotbosimi (Pa)
{\displaystyle T_{b}} qma'lumotharorati (K)
{\displaystyle L_{b}} qharorati lapse darajasi (KG’m) bilan ISA
{\displaystyle h} qbosimhisoblanganbalandlik (m)
{\displaystyle h_{b}} qbalandligima'lumotdarajasi b (metr; masalan, h_{, b} q 11 000 m)
{\displaystyle R^{*}} q universal gazdoimiy: 8.3144598 JG’(mol·K)
{\displaystyle g_{0}} q gravitatsionjadallashtirish: 9.80665 mG’s²
{\displaystyle M} qmassasiYerninghavo molar: 0.0289644 kgG’mol
Yoki imperial birliklariaylanadi:^[1]
qaerda
{\displaystyle P_{b}} qreferencebosim (simobdyuym, inHg)
{\displaystyle T_{b}} qma'lumotharorati (K)
{\displaystyle L_{b}} qharorati lapse darajasi (KG’ft) ichida ISA
{\displaystyle h} qbosimhisoblanganbalandlik (ft)
{\displaystyle h_{b}} qbalandligima'lumotdarajasi b (oyoqlari; masalan, h_{, b} qft 36,089)
{\displaystyle R^{*}} q universal gazdoimiy; foydalanib, oyoqlari, kelvins, va (SI) mol: 8.9494596×10⁴ lb·ft²G’(lb-mol·K·s²)
{\displaystyle g_{0}} q gravitatsionjadallashtirish: 32.17405 ftG’s²
{\displaystyle M} qmassasiYerninghavo molar: lb-mol 28.9644 lbG’
Obuna b qiymati intervallarni 0 uchun 6 quyidagijadvaldako'rsatilganatmosferaningettikeyingiqatlamlariharmuvofiq. Bu tenglamalarda g₀, M va R^* harbirbirqiymatlikonstantalar , p, L, T, va h esa quyidagijadvalgamuvofiqko'po'zgaruvchilikonstantalardir. M uchunishlatiladiganqadriyatlar, g₀, va R^* U. S muvofiqbo'ladi.standartatmosfera, 1976, va r uchunqiymati^* xususan, budoimiyuchunstandartqadriyatlarbilanroziemas.^[2] havolaqiymatiuchun P_b uchun b q 0 bo'ladianiqlangandengizdarajasiqiymat, P₀ q 101 325 tayorlovbosqichi yoki 29.92126 inHg. B ning p_bqiymatlari q 1 orqali b q 6 h q h b Q 1 bo'lganholuchun 1 va 2 jufttenglamalarningtegishlia'zosiniqo'llashdanolinadi .^[2]