Specific impulse
Thrust and Specific Impulse Optimization of Eight-Centimeter Valveless Pulsejets at Low Subsonic Flight Speeds
... heat transfer implications. For instance, this configuration will run at static conditions for a short while, but eventually it cuts out. It essentially overheats, but the heating time is much longer because of the extra ...
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Specific Impulse and Ignition Delay Time Assessment for DMAZ with Liquid Oxidizers for an Upper Stage Rocket Engine
... Density-specific impulse is defined as the product of the density of the propellant times the specific ...density specific impulse is often used to evaluate the propellant performance ...
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Investigation of Shock Wave Parameters at Explosives Blasts in the Tubes with Air
... and specific impulse J+ positive phase of shock waves at the open output of the tubes for blasts at the open and closed input ends of the tubes, when E = mQ/2S and mQ/S ...
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The VASIMR Technology: Advance Propulsion Concept for Interplanetary Applications
... high specific impulse and high- power operating feature allow performing in-orbit operations such as satellite maintenance, repair or refueling missions as well as space debris de-orbit ...
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Simulation of an Antimatter Beam Core Engine for Space Travel
... Keane and Zhang first utilized a modern version of Geant to simulate and op- timize the antimatter beam core engine design in 2012 [2]. The simulation built by Keane and Zhang provided a rudimentary construction of the ...
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Displaced geostationary orbits using hybrid low-thrust propulsion
... and specific impulses (from current to near term and far-future ...feasible specific impulse of 3200 s ...far-future specific impulses ...
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Application of steady and unsteady detonation waves to propulsion
... fuel-based specific impulse of typical stoichiometric hydrocarbon-air mixtures with the measured values of about 2000 s obtained in detonation tube ex- periments (Zitoun and Desbordes, 1999, Zhdan et ...the ...
335
A Computational Investigation of a Constant Volume Combustion Jet Engine.
... The constant volume combustion thermodynamic cycle, or Humphrey Cycle, if made practical in a jet engine, can provide enormous benefits over the traditional jet engine cycle, the Brayton Cycle, which is a constant ...
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Displaced geostationary orbits using hybrid low-thrust propulsion
... that an arbitrary value for the initial mass can be assumed and that, due to the symmetry of the problem, the results for orbits displaced above and below the equatorial plane are exactly the same. Finally, only ...
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Thrust characterization of a T5 hollow cathode
... Specific impulse can be traded for higher thrust to power ratios by increasing propellant flow rates or decreasing discharge current however higher thrust efficiencies are obtained at hi[r] ...
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OPTIMIZATION OF POTASSIUM NITRATE BASED SOLID PROPELLANT GRAINS FORMULATION USING RESPONSE SURFACE METHODOLOGY
... In this study Central Composite Design (CCD) in RSM using Design expert software was used to design and optimise the experiment. The design was based on the fact that each of the chamber pressure, temperature, thrust and ...
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Impulse generation by detonation tubes
... mixture-based specific impulse. The impulse will continue to increase until the max- imum value for the specific explosive-inert combination is ...maximum impulse has not been ...
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A Research in Mass Estimation of Manned Lunar Landing Spacecraft Based on Discrete Event Simulation
... scheme, specific impulse, velocity change, and the composition of propellant as inputs, and establishes the model of estimating manned lunar landing spacecraft' ...
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MTCR Handbook Propellants pdf
... Typical Missile-Related Uses: Aluminum powder is relatively inexpensive and is widely used as a fuel component in solid and liquid rocket engines to increase the specific impulse of the propellant and to ...
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Reflected pressures from explosives buried in idealised cohesive soils
... peak specific impulse for the 75–100 mm bars show a marked decay when compared with the 0-50 mm region in which generally there is quite similar maximum peak ...
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System Step and Impulse Response
... Figure 3 shows a typical impulse response for the RC filter of Figure 1. The characteristic exponential decay is just as we remember from class. The time constant of the circuit is defined as the time it takes for ...
6
System Impulse and Step Response
... The first FOM is the system time constant. Many simple systems display a characteristic exponential decay (or rise) in their response. Since the form of the response is known, the only data important to characterize a ...
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Determinants of depositors’ behaviour: Heterogeneous panel estimates
... Another distinct group of studies suggests that macroeconomic indicators should be significant factor to influence the depositors’ behaviour in the presence of deposit insurance system. Among them Levy, Yeyati, and ...
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The transmission effects of the subprime crisis to emerging markets: A global VAR analysis
... generalized impulse responses, the current paper considers the use of the GVAR for structural impulse response analysis with focus on external shocks for the emerging economy, particularly in response to ...
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IMPULSE BUYING IN SHOPPING MALLS
... Due to the aggressive promotional campaign, there is a need to redefine consumer behavior in a poised manner to target the "Impulse Syndrome". The shopping malls are trending and retail brands across the ...
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