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propulsive    
a. 推进的,有推进力的

推进的,有推进力的

propulsive
adj 1: having the power to propel; "propulsive coefficient"
2: tending to or capable of propelling; "propellant fuel for
submarines"; "the faster a jet plane goes the greater its
propulsive efficiency"; "universities...the seats of
propulsive thought" [synonym: {propellant}, {propellent},
{propelling}, {propulsive}]


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  • PowerPoint Presentation
    Components of the Ship Power Estimate The total calm water resistance is made up of the hull naked resistance, togetherwith the resistance of appendages and the air resistance The propeller quasi-propulsive coefficient (QPC), or D , is made up of the openwater 0
  • Rocket Propulsion
    Objectives Brief History Rocket Propulsion Advancements in Propulsion Aerospike Engine Nuclear Thermal Rocket Ion Propulsion What Is A Rocket? Reaction Engine vs Rotational Engine Purpose and Use of a Rocket The History of the Rocket Originally a German project in the late 30’s - early 40’s German V-2 Project Used ethyl alcohol and liquid oxygen as fuel Produced as much as 70,000 lbs of
  • PowerPoint Presentation
    Course Overview This undergraduate level course teaches the principles of jet propulsion The primary focus of the course is on the teaching of thermodynamics and Gas dynamics in aircraft engines The course provides information that will enable the engineering analysis of ramjets and turbine engines and its separate components including inlets, nozzles, combustion chambers, compressors, and
  • PowerPoint Presentation
    Evolve to Mars engine system as a part of a Mars NP propulsive stage Develop a HALEU solid solution fuel form that can provide reactor exit temperatures > 2700K (corresponds to > 900s Isp) Design a reactor with an eye toward capability to be scaled to a size to support Mars mission engine needs
  • PowerPoint Presentation
    This match point depends on ; the available engine propulsive performance, flight mission profile and the constraints Demands an optimization process, which includes aerodynamics and flight performance module coupled with another module for engine performance prediction
  • PowerPoint Presentation
    LIFT GRAVITY Thrust The propulsive force that moves something forward Created by engines and magnitude depends on type of engine the number of engines
  • Chapter 1 INTRODUCTION AND BASIC CONCEPTS
    turboprop engine Propulsive efficiency Propulsive power Thrust (propulsive force) Modifications to Turbojet Engines The first airplanes built were all propeller-driven, with propellers powered by engines essentially identical to automobile engines
  • PowerPoint Presentation
    Propulsive movement- peristalsis Mixing movement Propulsive movement-peristalsis The mechanism of involuntary contraction and relaxation is known as peristalsis It enables the movement of food down the tract as well as absorption of important nutrients It begins in the oesophagus when a bolus of food is swallowed
  • LAXATIVES - elearning. clinicalmedhub. com
    Increasing propulsive activity as primary action allowing less time for absorption of salt water as a secondary effect Laxatives modify the fluid dynamics of the mucosal cell cause fluid accumulation in gut lumen by one or more of following mechanisms: Inhibiting Na+ K+ATPase of villous cells impairing electrolyte water absorption
  • Slide 1
    2) To direct the steam at high velocity into blades of turbine at required angle Applications :- 1) Steam gas turbines are used to produces a high velocity jet 2) Jet engines and rockets to produce thrust (propulsive force) Types of nozzles 1) Convergent nozzle 2) divergent nozzle





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