V_Series/V3-01 Pintle Design Document.ipynb

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    "# Design Requirements:\n",
    "\n",
    "\n",
    "The pintle injector needs to meet the following requirements:\n",
    "\n",
    "1. Oxidizer: Liquid Oxygen (LOX)\n",
    "2. Fuel: 70% Isopropyl Alcohol, 30% water (IPA)\n",
    "3. Meet mass flow rates at a pressure differential between 15-20 % of chamber pressure: \n",
    "    - Engine chamber pressure 350 psi (as designed)\n",
    "    - Target pressure differential: 53-70 psi   \n",
    "4. LOX mass flow rate of 0.9 lbm/s (0.4082 kg/s)\n",
    "5. Fuel mass flow rate of 1.16 lbm/s (0.5262 kg/s)\n",
    "\n",
    "Additional Physical / Machining constraints\n",
    "\n",
    "1. Max outer diameter for Annulus, 0.55 in (13.97 mm)\n",
    "2. Min Pintle wall thickness 0.08 in (2.032 mm)\n",
    "    - A larger wall thickness is preferred, target .12 in (3.048 mm)\n",
    "    \n",
    "    "
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