Search results

Jump to: navigation, search
  • A '''solar concentrator''' concentrates the power of the [[sun]] onto a small area. Th ...rs and reflectors'''. Fields of [[mirrors]] are used in some concentrated solar facilities on Earth. The individual mirrors rotate to track the sun. The co
    5 KB (824 words) - 10:20, 12 October 2022
  • Propellant is mass which is ejected from a [[jet]] engine (of which a [[rocket]] is one possible type) to produce thrust through Newt ...faster if the two gasses are held at an equal temperature. So if a rocket engine can make the fuel and oxidizer burn at a given temperature (say 1,000 C), t
    6 KB (1,111 words) - 05:16, 25 June 2022
  • ...elocity is generally higher than for [[Nuclear Thermal Propulsion]] so the engine requires less propellant. However, the mass of the required radiators and ...ntly no nuclear reactor available for space propulsion, while photovoltaic solar is a mature technology, readily available.
    3 KB (396 words) - 07:04, 2 September 2021
  • ...in space is more difficult than on a planet since there is no mass to dump heat into via convection.) ...ternative technologies such as [[Nuclear Electric Propulsion]] (NEP) and [[Solar Electric Propulsion]] (SEP).
    4 KB (566 words) - 04:36, 24 January 2023
  • ...or the [[temperature]] will rise and the settlement will become too hot. Heat can be transported away from the settlement via convection, conduction, and ...The cooling fluid removes the heat through mass transfer, and eventually heat transfer to the environment.
    7 KB (1,190 words) - 08:15, 16 April 2024
  • ...of the vital requirements for a [[settlement]] on [[Mars]]. [[solar panel|Solar power]] and [[wind turbine]]s are subject to changing weather conditions, e ...storage systems have 42% overall efficiency, increasing to 55% if there is heat recovery, as would be likely on Mars.
    9 KB (1,313 words) - 13:34, 17 April 2023
  • ...require power sources, either [[Nuclear power|nuclear]] or [[Photovoltaics|solar]]. ...an electric arc rather than a chemical reaction. It is therefore a thermal engine. The ISP from an arcjet can be higher than for a chemical rocket, but remai
    12 KB (1,889 words) - 16:57, 14 October 2022
  • [[File:MMSEV5a.jpg|thumb|450x450px|A typical Mars Rover design. Solar cells provide emergency power, but the vehicle needs to be recharged as a p ...adapted for the rovers, with lowered and more specialised functionality. Heat loss may be a significant issue during Martian nights, and the energy balan
    8 KB (1,251 words) - 11:54, 12 May 2023
  • ...nds. In particular these ionic bonds are stable in the high radiation and heat of a reactor core. In addition to the Fluoride salts, salts of Lithium and ...is used to provide process heat for chemical reactions, or put thru a heat engine to create electricity. The cold salt is circulated back thru the reactor co
    15 KB (2,551 words) - 16:32, 3 November 2022
  • ...t, the fuel could be transferred complete with a fresh set of tanks, fresh engine, plumbing and wiring in a stage swap with the tanker. In using this techni ...for refueling would add some mass and there would need to be a substantial heat shield for slowing down at Mars. The 30 day mission to Mars may be limited
    5 KB (833 words) - 14:01, 10 November 2020
  • ...into Mars' atmosphere so hot, we still expect to see some ablation of the heat shield (similar to wear and tear on a brake pad). The engineering video bel ...with a twelve meter diameter and depended upon forty-two methane [[Raptor engine|Raptor engines]] on the booster alone, allowing it to produce thrust of thi
    12 KB (1,773 words) - 18:39, 28 January 2024
  • ...is a method of [[energy]] generation. It uses [[nuclear fuel]] to produce heat, which is usually transformed into [[electricity]]. Nuclear power is consid ...will vary with time and the colony development. There may be periods when solar is more cost effective. The long delays for the development of nuclear pow
    22 KB (3,579 words) - 10:30, 23 November 2022
  • ...g missions where sunlight is scarce, as occurs when traveling to the outer solar system or the dusty atmosphere of Mars. ...semiconductors with a metallic strip, electrons flow between the two once heat is applied, generating an electric current. This connection of n- and p-typ
    31 KB (4,636 words) - 02:32, 20 April 2020
  • ...re more efficient if the cold sink is much colder than the hot side of the engine) become more efficient. However, if the reactor gets (say) 40% efficiency, ...d for many jobs. Heating the colony, or being used for industrial process heat are the obvious ones.
    12 KB (1,933 words) - 12:08, 29 November 2022
  • ...sion, the orbit was slightly modified on September 28, 2016 by a 75 second engine burn. <ref>[http://www.nasa.gov/jpl/mro/nasa-mars-orbiter-preparing-for-ma Mars Reconnaissance Orbiter is powered by two large solar panels give MRO a wingspan the length of a school bus that can produce abou
    11 KB (1,695 words) - 15:12, 6 September 2019
  • Solar— SOC Solar— SOC
    47 KB (7,461 words) - 11:09, 24 March 2019
  • ...of the results let me think it will not be precise enough (I would need to heat a larger area or better use the weather conditions). ...gh for me to go to the next step in order to include the power generation (solar panels, generator, propane heater and devices consumption).
    42 KB (6,606 words) - 16:56, 7 March 2019
  • ...l operations. After weathering the night without heat or lights and eating solar heated Pop Tarts for breakfast (they come wrapped in little space blankets) ...tools, within the restrictions of sim (helmets prevented close viewing of engine; gloves prevented removal of plug, even with improvised tools).
    157 KB (25,890 words) - 15:59, 5 November 2019
  • ...ace agencies around the world to come up with a strategy for exploring the solar system. ...b, creating twice the force of gravity on its occupants, and then cuts the engine. As the aircraft falls to Earth, a weightless condition is created for abou
    255 KB (43,372 words) - 17:24, 16 March 2020