spacesystems dict |
|---|
{
"answer": "The Evaporator section Condenser section Adiabatic section Porous wick material Liquid Liquid Vapour Heat outHeat in Figure 11.8 Schematic illustration of a basic heat pipe THERMAL TECHNOLOGY 11.6 377 quantity of liquid is just sufficient to saturate the wick structure.\n",
"question": "What is the wic... |
{
"answer": "Note however, that this is the resolution perpendicular to the line of sight and is made larger (i.e., worse) by I1sin E., where e is the elevation angle at the orbital point in question, obtained from Eq.\n",
"question": "What is the elevation angle at the orbital point in question?",
"source": "Spa... |
{
"answer": "Since May 2009, expedition crew size has been six crew members.\n",
"question": "How many crew members are on the expedition?",
"source": "SpaceSystemsDataset"
} |
{
"answer": "The cyclotron radiation from the acceleration of particles would be an easily detected howl in radio frequencies.\n",
"question": "What would be a howl in radio frequencies?",
"source": "SpaceSystemsDataset"
} |
{
"answer": "The magnetometer booms underwent three gravity drop tests, in which the boom is mounted to a wall orientated such that gravity would simulate the centripetal acceleration of extended magnetometer boom.\n",
"question": "What was the gravity drop test?",
"source": "SpaceSystemsDataset"
} |
{
"answer": "The most common wick envelope design consists of axial grooves in the wall of extruded aluminum tubing, as shown in Fig. 1122B.\n",
"question": "What is the most common wick envelope design?",
"source": "SpaceSystemsDataset"
} |
{
"answer": "This can be accomplished using the onboard propulsion subsystem, though careful rendezvous with planets can also provide large orbital changes.\n",
"question": "What is the onboard propulsion subsystem?",
"source": "SpaceSystemsDataset"
} |
{
"answer": "The onedimensionalthreedimensional (1D3D) coupled method, is established in Part 1, combines a 3D solver for compressor internal flows and a 1D solver for pipe, plenum, and throttle flows to simulate compressor surge in a compression system.\n",
"question": "What is the onedimensionalthreedimensional c... |
{
"answer": "Furthermore, the effectiveness of the two algorithms presented in this paper is confirmed with experimental results on various realworld imbalanced datasets.\n",
"question": "What is the effectiveness of the two algorithms presented in this paper?",
"source": "SpaceSystemsDataset"
} |
{
"answer": "Saturn hurricane In November 2006, scientists discovered a storm at the south pole of Saturn with a distinct eyewall.\n",
"question": "What is the name of the storm that struck the south pole of Saturn?",
"source": "SpaceSystemsDataset"
} |
{
"answer": "Only System and TTC subsystem mode changes shall be commanded by the operators during nominal operations.\n",
"question": "What type of changes are required during nominal operations?",
"source": "SpaceSystemsDataset"
} |
{
"answer": "Who are the launch providers going to be?\n",
"question": "Who are the launch providers?",
"source": "SpaceSystemsDataset"
} |
{
"answer": "AOBA VELOXIV was launched to low earth orbit via a JAXA Epsilon rocket in 18th January 2019.\n",
"question": "What was the name of the AOBA VELOXIV?",
"source": "SpaceSystemsDataset"
} |
{
"answer": "A number of other externally driven transient phenomena also contribute to the variations observed on single spacecraft.\n",
"question": "What is the main cause of the variations observed on single spacecraft?",
"source": "SpaceSystemsDataset"
} |
{
"answer": "In the representation of the track shown in Fig. 10.19 (upper), black dots mark the place viewed at this limiting point while small circles indicate the nadir of the satellite (the subsatellite point).\n",
"question": "What is the limiting point of the satellite?",
"source": "SpaceSystemsDataset"
} |
{
"answer": "Due to the diffusion flame characteristics, part of the fuel in the region below the flame may not mix with the oxidizer above the flame and exit the nozzle before releasing all the chemical energy.\n",
"question": "What is the diffusion flame characteristics?",
"source": "SpaceSystemsDataset"
} |
{
"answer": "The TID period was 20.1 min, its horizontal wavelength was 209.6 km, and the horizontal phase speed was 180.1 m/s.\n",
"question": "What was the horizontal wavelength of the TID?",
"source": "SpaceSystemsDataset"
} |
{
"answer": "Chinese scientists obtained a topographical resolution of one meter from it.\n",
"question": "What was the resolution of the topographical resolution?",
"source": "SpaceSystemsDataset"
} |
{
"answer": "It was also evaluated the effect of wire diameter and type of layout on the ballistic limit velocity of the panels.\n",
"question": "What was the effect of wire diameter and layout on the ballistic limit velocity of the panels?",
"source": "SpaceSystemsDataset"
} |
{
"answer": "As for an external calibration target (microwave absorber) the key parameter is the reflection coefficient, which must be as low as possible, or the voltage standing wave ratio as close to one as possible.\n",
"question": "What must be the reflection coefficient?",
"source": "SpaceSystemsDataset"
} |
{
"answer": "The textbook situation where a clear set of user needs generates a clear specification with a design, which answers the specification, unfortunately does not exist.\n",
"question": "What is the textbook situation where a clear set of user needs generates a clear specification with a design?",
"source... |
{
"answer": "The equivalent exter nal loads at both ends of member 1 are , see (26.11).\n",
"question": "What is the exter nal load at both ends of member 1?",
"source": "SpaceSystemsDataset"
} |
{
"answer": "At the moment, there is not a ship massive enough to meet the rotation requirements, and the costs associated with building, maintaining, and launching such a craft are extensive.\n",
"question": "What is the cost of building, maintaining, and launching a ship?",
"source": "SpaceSystemsDataset"
} |
{
"answer": "For other navi gation satellites, see Table 14.1 in Chap.\n",
"question": "What is the name of the satellite that is used to communicate with the satellite?",
"source": "SpaceSystemsDataset"
} |
{
"answer": "An overarching contract vehicle goes some way to alleviating some of the problems associated with an ad hoc commercial satcom requirement.\n",
"question": "What is an overarching contract vehicle?",
"source": "SpaceSystemsDataset"
} |
{
"answer": "Multipath does not usually present any problems in fixedsatellite services where the Earth stations are well sited and employ narrow beam antennas (which can select just one of the arrival directions).\n",
"question": "What is the problem with multipath?",
"source": "SpaceSystemsDataset"
} |
{
"answer": "The tensile deformation, Mises equivalent stress and stress distribution under the same stress level show the crystal orientation correlation.\n",
"question": "What is the crystal orientation correlation?",
"source": "SpaceSystemsDataset"
} |
{
"answer": "These limitations are the maximum range and Doppler values that can be unambiguously sensed with this approach.\n",
"question": "What is the maximum range of Doppler values that can be unambiguously sensed with this approach?",
"source": "SpaceSystemsDataset"
} |
{
"answer": "In addition, the most relevant perturbing phenomena, such as the Solar Radiation Pressure (SRP) and the fourthbody (Sun) gravity, are included in the model as well.\n",
"question": "What is the fourthbody gravity?",
"source": "SpaceSystemsDataset"
} |
{
"answer": "The study identified aerocapture, 5–10 kW solar electric ion propulsion, and nuclear electric propulsion as high priority technologies.\n",
"question": "What technologies were identified as high priority technologies?",
"source": "SpaceSystemsDataset"
} |
{
"answer": "I4/Ek D ETk K.B/Ek (5.51) This result would be achieved much more directly if we could simply assert that all the eigenvectors of K transform according to Eq.\n",
"question": "What would be the most direct result if we could simply assert that all the eigenvectors of K transform according to Eq?",
"s... |
{
"answer": "KG 130 A. Eberle et al. 6.4 Quality and Manufacturing Documentation The documentation of harness in space application was combined in a socalled Manufacturing Data Package (MDP), defined by the customer.\n",
"question": "What is the name of the document that was created by the customer?",
"source": "... |
{
"answer": "The offset of the Table 9.12 Phobos mass properties Parameter Value Units Definition GM 7.22 × 10?4 km3/s2 Gravitation parameter M 1.082 × 1016 kg Mass V 5.673 × 1012 m3 Volume ?\n",
"question": "What is the offset of the Table 9.12 Phobos mass properties?",
"source": "SpaceSystemsDataset"
} |
{
"answer": "This is due to the existence of both explicit and hidden safety margins .\n",
"question": "What safety margins exist?",
"source": "SpaceSystemsDataset"
} |
{
"answer": "The drivers are spatially structured harmonics across the computational box parallel to the solar surface.\n",
"question": "What are the drivers of the computational box?",
"source": "SpaceSystemsDataset"
} |
{
"answer": "This leads to the classic “integer ambiguity” problem .\n",
"question": "What is the classic \"integer ambiguity\" problem?",
"source": "SpaceSystemsDataset"
} |
{
"answer": "Clearly OneWeb faces a number of challenges.\n",
"question": "What challenges does OneWeb face?",
"source": "SpaceSystemsDataset"
} |
{
"answer": "The satellite EarthCARE will first be launched into the orbit denoted by EarthCARE [3a] in Table 11.3, which is the calibration orbit EarthCARE .\n",
"question": "What orbit is EarthCARE in?",
"source": "SpaceSystemsDataset"
} |
{
"answer": "Cluster provides reasonably fast delivery of data to the principal investigator and lower delivery to the secondary consumer .\n",
"question": "Cluster provides fast delivery of data to the principal investigator and lower delivery to the secondary consumer?",
"source": "SpaceSystemsDataset"
} |
{
"answer": "Each WBS model represents one unique unit or functional end product in the overall system configuration and, when related by the PBS into a hierarchy of individual models, represents one functional system end product or “parent” WBS model.\n",
"question": "What is the function of the WBS model?",
"so... |
{
"answer": "Thus we have found the timeoptimal solution that drives the initial state to the origin.\n",
"question": "What is the timeoptimal solution?",
"source": "SpaceSystemsDataset"
} |
{
"answer": "The simulation results show that the proposed algorithm can efficiently obtain a solution which respects the topological constraint and suppresses the vibration disturbance as much as possible.\n",
"question": "What is the topological constraint?",
"source": "SpaceSystemsDataset"
} |
{
"answer": "Many satellites continue to function well past their mean time to failure dates.\n",
"question": "What is the mean time to failure date for satellites?",
"source": "SpaceSystemsDataset"
} |
{
"answer": "The statespace equation can be expanded as follows x?\n",
"question": "What is the statespace equation?",
"source": "SpaceSystemsDataset"
} |
{
"answer": "Our findings regarding the MWCNT reinforcement mechanism can guide the design of new insulation materials.\n",
"question": "What can guide the design of new insulation materials?",
"source": "SpaceSystemsDataset"
} |
{
"answer": "We have environmental distortions and optics distortions.\n",
"question": "What are the two main types of distortions?",
"source": "SpaceSystemsDataset"
} |
{
"answer": "Ionospheric error correction can also be done using two signal frequencies .\n",
"question": "What is the frequency of the two signal frequencies?",
"source": "SpaceSystemsDataset"
} |
{
"answer": "The technical management processes are used to establish and evolve technical plans for the project, to manage communication across interfaces, to assess progress against the plans and requirements for the system products or services, to control technical execution of the project through to completion, ... |
{
"answer": "Aerojet Rocketdyne also recently announced a series of successful hotfire tests of its RL10 upperstage rocket development engine, including a core main injector also built with SLM 3D printing.\n",
"question": "What is the name of the engine that Aerojet Rocketdyne has developed?",
"source": "SpaceSy... |
{
"answer": "Hubble data Hubble precision stellar distance measurement has been extended 10 times further into the Milky Way.\n",
"question": "What is Hubble's stellar distance measurement?",
"source": "SpaceSystemsDataset"
} |
{
"answer": "The goal of the mission is to provide CBand SAR data continuity following the retirement of ERS2 and the end of the Envisat mission.\n",
"question": "What is the goal of the mission?",
"source": "SpaceSystemsDataset"
} |
{
"answer": "However, release is impossible during normal operation of the cells and is unlikely during fires in residential roofs.\n",
"question": "What is the release of the cells impossible during normal operation?",
"source": "SpaceSystemsDataset"
} |
{
"answer": "Design of transfer orbits between launch injection orbit and the operational orbit, and the derivation of the associated maneuvers.\n",
"question": "What is the derivation of maneuvers?",
"source": "SpaceSystemsDataset"
} |
{
"answer": "A refined procedure to generate calibrated imagery from airborne synthetic aperture radar data.\n",
"question": "What is the procedure used to generate imagery from airborne synthetic aperture radar data?",
"source": "SpaceSystemsDataset"
} |
{
"answer": "This area is characteristic of current arrays.\n",
"question": "What is the characteristic of current arrays?",
"source": "SpaceSystemsDataset"
} |
{
"answer": "Methods and Tools of Space Programs Management An approach for testing like the one just described is consequently a starting point for looking for a given program to define a simplified path that can follow the mission specifications.\n",
"question": "What is the name of the program that can be used t... |
{
"answer": "In practice, different thrusters might be used in different mission phases, for instance thrusters providing hundreds of newtons for large transfer maneuvers and newtonlevel thrusters for proximity operations.\n",
"question": "What type of thrusters are used for large transfer maneuvers?",
"source": ... |
{
"answer": "In that spirit, the Russian Federation has coordinated with the United States, on GLONASSGPS compatibility and with the European Union/European Space Agency (ESA) on GLONASSGalileo compatibility and interoperability and participates in the ICG and its Providers Forum.\n",
"question": "What is the Russi... |
{
"answer": "For instance, in 2009 and 2010, Iran intentionally jammed television and radio signals transmitted by the EUTELSAT communication satellite system to Europe and the Middle East (Brown 2010).\n",
"question": "What did Iran do to the signals transmitted by the EUTELSAT system?",
"source": "SpaceSystemsD... |
{
"answer": "Which leads over to the next failure class described below.\n",
"question": "What is the next failure class?",
"source": "SpaceSystemsDataset"
} |
{
"answer": "This is necessary so that module and piecepart temperatures and componenttemperature gradients duplicate those that occur in actual usage.\n",
"question": "What is necessary to ensure that module and piecepart temperatures and componenttemperature gradients duplicate those that occur in actual usage?",... |
{
"answer": "A parametric study can be performed linking the periapsis altitude at the end of the deorbit impulse with the landing dispersion area extension.\n",
"question": "What can be done to link the periapsis altitude at the end of the deorbit impulse with the landing dispersion area extension?",
"source": "... |
{
"answer": "On the horizontal axis, we have the solar zenith angle from 0?\n",
"question": "What is the solar zenith angle?",
"source": "SpaceSystemsDataset"
} |
{
"answer": "Iridium NEXT launch plans originally included launch of satellites on both Ukrainian Dnepr launch vehicles and SpaceX Falcon 9 launch vehicles, with the initial satellites launching on Dnepr in April 2016; however, in February 2016, Iridium announced a change.\n",
"question": "What was the initial laun... |
{
"answer": "Maximum temperatures on the inner wall, of a Deltall vehicle range from 25 to 50° C. We also check radiated heat from the payload fairing or d~rs and freemolecular heating from'rarefied air hitting the spacecraft after the payload fairing is jettisoned.\n",
"question": "What is the maximum temperature ... |
{
"answer": "The normal position increment equation is ??\n",
"question": "What is the normal position increment equation?",
"source": "SpaceSystemsDataset"
} |
{
"answer": "The bandwidth of a filter increases with its center frequency, so as the TRF receiver is tuned to different frequencies its bandwidth varies.\n",
"question": "What is the bandwidth of a TRF receiver?",
"source": "SpaceSystemsDataset"
} |
{
"answer": "From left to right, the elements mounted on the boom are called the reflector, driven element, and director.\n",
"question": "What are the three main names of the elements mounted on a boom?",
"source": "SpaceSystemsDataset"
} |
{
"answer": "The thrust coefficient CT and lift coefficient CN are selected as objective functions, and the sampling points are obtained numerically by using a Latin hypercube design method.\n",
"question": "What are the thrust coefficient CT and lift coefficient CN?",
"source": "SpaceSystemsDataset"
} |
{
"answer": "Indeed, if such a satellite views exactly the same regions every day, many other places must necessarily be missed out, unless the instruments have a very wide field of view.\n",
"question": "What is the point of missing out on many places?",
"source": "SpaceSystemsDataset"
} |
{
"answer": "We include the effects of a linearly timevarying mass with constant thrust and an exponential atmospheric density that varies with height.\n",
"question": "What is the effect of a linearly timevarying mass with constant thrust?",
"source": "SpaceSystemsDataset"
} |
{
"answer": "In the age of the “despun satellite design,” there was a move toward standardization of different classes of satellites, i.e., small, medium, and large configurations (Pelton 2006).\n",
"question": "What was the standardization of satellites?",
"source": "SpaceSystemsDataset"
} |
{
"answer": "The first following three chapters describe the history of the mission development and the scientific, sociological and political context which allowed Herschel to be developed, launched and operated.\n",
"question": "What is the purpose of the first three chapters of the Herschel mission?",
"source"... |
{
"answer": "The modified Rodrigues parameters (MRPs) are nonsingular for rotations of less than 360?, and rotations greater than 180?\n",
"question": "What are the MRPs nonsingular for rotations greater than 180?",
"source": "SpaceSystemsDataset"
} |
{
"answer": "If there is a critical difference, then consult with the procurement and legal offices.\n",
"question": "What is the difference between procurement and legal offices?",
"source": "SpaceSystemsDataset"
} |
{
"answer": "Sensitive devices need to be protected during shipping, handling, and storage.\n",
"question": "What is the most important part of protecting sensitive devices?",
"source": "SpaceSystemsDataset"
} |
{
"answer": "An active flow control method based on energy addition for the restart of hypersonic inlets is brought forward in this paper.\n",
"question": "What is the main purpose of the paper?",
"source": "SpaceSystemsDataset"
} |
{
"answer": "Both models give similar translationalrotational and vibrational heat fluxes.\n",
"question": "What is the difference between translationalrotational and vibrational heat flux?",
"source": "SpaceSystemsDataset"
} |
{
"answer": "Quantitative logic models (probabilistic risk assess?\n",
"question": "What are quantitative logic models?",
"source": "SpaceSystemsDataset"
} |
{
"answer": "Since its birth, its high precision and globalization have attracted people’s attention.\n",
"question": "What has attracted people's attention since its birth?",
"source": "SpaceSystemsDataset"
} |
{
"answer": "Changing orientation of a rigid body is the same as rotating the axes of a reference frame attached to it.\n",
"question": "What is the same as rotating the axes of a reference frame attached to a rigid body?",
"source": "SpaceSystemsDataset"
} |
{
"answer": "Space Program Management The process of proposal and acceptance/refusal of the modifications is managed in a formal manner.\n",
"question": "What is the process of proposal and acceptance/refusal of the modifications?",
"source": "SpaceSystemsDataset"
} |
{
"answer": "During final approach, the vehicle pitched over to a nearvertical position, allowing the crew to look forward and down to see the lunar surface for the first time.\n",
"question": "What was the first thing the crew saw on the lunar surface?",
"source": "SpaceSystemsDataset"
} |
{
"answer": "The latter seek to establish civil codes ofIaw which in effect create all of the rules up front.\n",
"question": "What do the civil codes of Iaw create?",
"source": "SpaceSystemsDataset"
} |
{
"answer": "In case of a preliminary design of the structure the design loads will be used to dimension the satellite structure and in fact determine the design of the structure.\n",
"question": "What is the design load used to determine the design of the structure?",
"source": "SpaceSystemsDataset"
} |
{
"answer": "Three reaction wheels are used to control the spacecraft.\n",
"question": "What is the name of the spacecraft that is controlled by reaction wheels?",
"source": "SpaceSystemsDataset"
} |
{
"answer": "This is based on the VEI value.\n",
"question": "What is the VEI value?",
"source": "SpaceSystemsDataset"
} |
{
"answer": "Following a system which uses all the allocated bandwidth, for instance 80 MHz in Lband, with a range superresolution factor of four (which requires at least six microsatellites for permanent operations, orbiting on two concentric Cartwheels, see Fig. 14.3), would create images that literally should not ... |
{
"answer": "Choice of what to measure and with what observational apparatus is a matter separate from the observer's state of motion and choice of coordinate system.\n",
"question": "What is a separate matter from the observer's state of motion and choice of coordinate system?",
"source": "SpaceSystemsDataset"
} |
{
"answer": "Energy storage has been primarily by electrochemical battery, although regenerative fuel cell and flywheel technologies are under development.\n",
"question": "What is the name of the technology that is currently under development?",
"source": "SpaceSystemsDataset"
} |
{
"answer": "Concerning the point L3 of the Sun–Earth system, it is not obvious what kind of project might be located there, except possibly a film of the type Planet X.\n",
"question": "What kind of project might be located at the point L3 of the Sun-Earth system?",
"source": "SpaceSystemsDataset"
} |
{
"answer": "For the physical response its effect upon the angular velocity ?\n",
"question": "What is the effect of the physical response on the angular velocity?",
"source": "SpaceSystemsDataset"
} |
{
"answer": "The aim of this paper is to propose a semianalytical method for the analysis of a twoimpulse transfer between two coplanar elliptic orbits, assuming each maneuver to change the magnitude of the spacecraft velocity only, without affecting its direction\n",
"question": "What is the purpose of the paper?"... |
{
"answer": "The most significant distinction between the UNCOPUOS Mitigation Guidelines that were agreed to by the U.N. General Assembly and the IADC Mitigation Guidelines is that the U. N.endorsed guidelines do not include the 25year guideline for removal of spacecraft from orbit dating from the end of life as cont... |
{
"answer": "In summary, the SMOS objectives are to demonstrate the use of LBand 2D interferometric radiometry from space ?\n",
"question": "What is the purpose of the SMOS?",
"source": "SpaceSystemsDataset"
} |
{
"answer": "While hydrazine can rely on a catalytic technology based on conventional materials such as γAl2O3 (due to the adiabatic decomposition temperature of about 900–1000 °C), LMP103S and FLP106 require catalyst support materials that can withstand higher temperatures (about 1650 °C and 1900 °C, respectively) a... |
{
"answer": "In the absence of the real spacecraft, this is often achieved by testing within a socalled hardwareintheloop (HIL) configuration that provides realistic models of realworld sensors and actuators as well as the corresponding mathematical models of the spacecraft dynamics and environment.\n",
"question":... |
{
"answer": "The measurements provide an opportunity to assess the diurnal, seasonal and longterm predictability of the IRI 2012 (with IRI Nequick, IRI01corr, IRI 2001topside options) during this solar cycle which is distinctively low in magnitude compared to the previous cycles.\n",
"question": "What is the name o... |
{
"answer": "A high jet temperature weakens heat flux reduction in opposing jet but a reasonable jet temperature can promote the Eh though it is higher than normal temperature.\n",
"question": "What is the effect of a high jet temperature on heat flux reduction?",
"source": "SpaceSystemsDataset"
} |
{
"answer": "These and other elements of the plasma environment couple to the lunar surface and exosphere, and very likely to lunar dust, in ways not yet completely understood.\n",
"question": "What is the relationship between the lunar surface and exosphere?",
"source": "SpaceSystemsDataset"
} |
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