الوقود الدافع-الجزء 1-االبارود- المسحوق الأسود
Channel: العلماء
Date: 22/02/2024

Propellant is the chemical mixture burned to produce thrust in rockets and consists of a fuel and an oxidizer
Propellants are classified according to their state - liquid, solid, or hybrid
There are two families of solids propellants: homogeneous and composite
Homogeneous propellants(Smokeless propellants) are either simple base or double base and triple base
potassium nitrate 
 Rockets
The first propellant employed for firearms   أسلحة نارية was black powder (also known as gunpowder), which is a mixture of charcoal (carbon), sulfur, and potassium nitrate, with typical proportions of 15% carbon, 10% sulfur, and 75% potassium nitrate
البارود
Black powder  
عرف الكيميائيون المسلمون العرب الأوائل ملح البارود في القرن السابع حيث كان يستعمل لأغراض حربية
(known as saltpeter )     الملح الصخري
ملح الصخري معروفًا للصينيين
The British Congreve rockets used 62.4% saltpeter, 23.2% charcoal and 14.4% sulfur
powders for weapons such as flintlocks