کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
11023606 | 1701263 | 2018 | 24 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
High performance microthruster with ammonium-dinitramide-based monopropellant
ترجمه فارسی عنوان
ریزپردازنده با عملکرد بالا با یک تک دانه پروتئین بر پایه آمونیوم-دینیترومید
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
شیمی
الکتروشیمی
چکیده انگلیسی
A high performance environmentally friendly ammonium dinitramide (ADN) based liquid monopropellant was used to develop a thruster with improved performance compared to a conventional hydrogen peroxide propellant microthruster. Compared to regular thrusters, microthrusters have high heat loss due to the higher reactor surface area to volume ratio. A high enthalpy propellant needs to be used to increase the decomposition temperature in order to enhance the thruster performance. There is a need to increase the heat tolerance of the catalyst given the increased reactor temperature. A lanthanum doped Pt/Al2O3 catalyst was fabricated and applied to increase the heat resistance performance against the ADN-based propellant with a theoretical adiabatic decomposition temperature of 1630â°C. The microthruster was manufactured using a MEMS process. A total of five layers of photosensitive glass with different shapes were fabricated by wet etching and stacked and adhered, and sensors were assembled to measure the pressure and temperature. A combustion experimentation was carried out. 90âwt.% hydrogen peroxide was injected in advance for catalyst preheating and then the ADN-based propellant was injected. In the experimental results, ignition was observed within the reactor and the combustion temperature was 983 â. The thrust and specific impulse performances were obtained. Compared to a microthruster using 90âwt.% hydrogen peroxide, the ADN-based propellant enhanced thrust by 19% while the specific impulse increased by 86%.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Sensors and Actuators A: Physical - Volume 283, 1 November 2018, Pages 211-219
Journal: Sensors and Actuators A: Physical - Volume 283, 1 November 2018, Pages 211-219
نویسندگان
Doyun Lee, Juwon Kim, Sejin Kwon,