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Both front and rear extremities of the actuator respectively are connected to one centralizer (12). Flow channels in communication with the electro-hydraulic composite pipe (11) for a well-drilling fluid to pass through are provided within both the actuator and the centralizer (12). The actuator...
Krypton has been suggested as an alternative to xenon due to a significantly lower cost per kg; as of late 2022 due to global economic downturn and greater turmoil within global supply chains, xenon prices were approximately 7.5–10 k€/kg. The move to krypton also offers a higher theoretical...
where \(r_e\) and \(r_i\) are the Larmor radii of an electron and ion, respectively; B is the radial magnetic field strength; \(m_e\) and \(m_i\) are the masses of an electron and ion, respectively; \(T_e\) is the electron temperatureFootnote 1 in units of eV; k is Bo...
11. The air breathing electrically powered Hall effect thruster of claim 1 in which said discharge zone is extended to achieve an increased time for ionization. 12. The air breathing electrically powered Hall effect thruster of claim 11 in which said discharge zone includes a plurality of magnet...
Then the reliability index based on FMi is Pi Yq ¼ k¼1 " exp − tk −τi; jjMPk αi; jjMPk βi; j jMPk # ði ¼ 1; 2; …; 15Þ ð2Þ (3) Less representative life test results The life test design of LIPS-300S is complicated due to 23 throttle ...
k is Boltzmann constant. Using the 5-point formula and assuming that the electrons are isothermal, the plasma potential can be solved by using an alternating direction implicit (ADI) scheme. Here the parameters, such as the number density of ions, accumulated onto each node of the computational...
FIG. 3 shows one example of the numerical analysis result of the temperature distribution of solar thermal thruster40shown in FIG. 2. The unit of numbers in FIG .3is K (Kelvin). As shown in FIG. 3, in the temperature distribution of the conventional solar thermal thruster40, the temperatu...