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Specific impulse is a useful value to compare engines, much like miles per gallon or litres per 100 kilometres is used for cars.
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Specific and impulse
* Specific impulse, represented by I < sub > sp </ sub >, a term used to describe rocket and jet engine thrust
Specific impulse ( usually abbreviated I < sub > sp </ sub >) is a way to describe the efficiency of rocket and jet engines.
Specific fuel consumption is inversely proportional to specific impulse and effective exhaust velocity.
This increased fuel consumption offsets somewhat the savings in oxidizer mass ; these losses are in turn offset by the higher Isp ( Specific impulse ) of the air-breathing engine.
As noted the specific impulse of monopropellants is lower than bipropellants and can be found with the Air Force Chemical Equilibrium Specific Impulse Code tool.
Specific impulse ( Isp ) measures how much thrust can be derived from a given mass of fuel, and is a standard figure of merit for rocketry.
Specific impulse values from 200 seconds to several thousand seconds are possible by choosing the propellant and laser pulse characteristics.
Specific and is
This is acknowledged by the American Institute for Conservation who advise " Specific admission requirements differ and potential candidates are encouraged to contact the programs directly for details on prerequisites, application procedures, and program curriculum ".
: Specific regions within a country or areas in dispute among countries, such as Kashmir, are not covered, but other areas of the world whose status is disputed, such as the Spratly Islands, have entries.
Specific weaknesses in the text include: it does not stipulate guidelines for the ' non-detriment ' finding required of national Scientific Authorities ; non-detriment findings require copious amounts of information ; the ' household effects ' clause is often not rigid enough / specific enough to prevent CITES violations by means of this Article ( VII ); non-reporting from Parties means Secretariat monitoring is incomplete ; and it has no capacity to address domestic trade in listed species.
Specific high-temperature mica-insulated wire and cable is rated to work for up to 15 minutes in molten aluminium, glass, and steel.
Specific examples of services which warrant the Purple Heart include any action against an enemy of the United States ; any action with an opposing armed force of a foreign country in which the Armed Forces of the United States are or have been engaged ; while serving with friendly foreign forces engaged in an armed conflict against an opposing armed force in which the United States is not a belligerent party ; as a result of an act of any such enemy of opposing armed forces ; or as the result of an act of any hostile foreign force.
Specific plot elements and features in The Hobbit that show similarities to Beowulf include the title thief as Bilbo is called by Gollum and later also by Smaug, the underground path into the mountain, and Smaug's personality which leads to the destruction of Lake-town.
Specific gravity is commonly used in industry as a simple means of obtaining information about the concentration of solutions of various materials such as brines, sugar solutions ( syrups, juices, honeys, brewers wort, must, etc.
Specific alters may react negatively to therapy, fearing the therapists goal is to eliminate the alter ( particularly those associated with illegal or violent activities ).
The Variable Specific Impulse Magnetoplasma Rocket ( VASIMR ) is an electro-magnetic thruster for spacecraft propulsion.
Specific ultra-fast comparators, like the LMH7322, allow input signal to swing below the negative rail and above the positive rail, although by a narrow margin of only 0. 2 V. Differential input voltage ( the voltage between two inputs ) of a modern rail-to-rail comparator is usually limited only by the full swing of power supply.
Specific detectivity, or D *, for a photodetector is a figure of merit used to characterize performance, equal to the reciprocal of noise-equivalent power ( NEP ), normalized per unit area.
Specific human capital refers to skills or knowledge that is useful only to a single employer or industry, whereas general human capital ( such as literacy ) is useful to all employers.
Specific humidity is a ratio of the water vapor content of the mixture to the total air content on a mass basis.
* Specific inductive capacity, abbreviated to SIC, which is more commonly known as the relative permittivity or the dielectric constant
Specific and useful
Specific immunomodulatory therapies, such as the TNFα antagonists ( e. g. etanercept ), the B cell depleting agent rituximab, the anti-IL-6 receptor tocilizumab and the costimulation blocker abatacept have been shown to be useful in treating RA.
Specific and value
Specific values can be plugged in for the independent variable by following the equation name by the value in parentheses.
Specific business models for street newspapers vary widely, ranging from vendor-managed papers that place the highest value upon homeless empowerment and involvement to highly professionalized and commercialized weeklies.
Specific humidity is the proportion of the mass of water vapor per unit mass of the moist air sample ( dry air plus the water vapor ); it is closely related to humidity ratio and always lower in value.
This means the measure has a Specific purpose for the business, it is Measurable to really get a value of the KPI, the defined norms have to be Achievable, the improvement of a KPI has to be Relevant to the success of the organization, and finally it must be Time phased, which means the value or outcomes are shown for a predefined and relevant period.
Specific types of Turton doubling are the Loyd-Turton, in which the first piece moved is of greater value than the second ; and the Brunner-Turton, in which the two pieces are of equal value.
0.520 seconds.