A big push has been to increase the efficiency of aircraft engines, mainly to make them go faster, to fly higher and use less fuel. Now a new concern has come to the fore, that of environment. We have…...
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There are three major launch types for spacecraft: vertical takeoff, horizontal takeoff, and air launch. The cost of launching into space is often measured by the change in velocity required to reach the destination orbit, known as delta-v or Δv.…...
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A typical passenger vehicle emits about 4.6 metric tons of carbon dioxide per year. This assumes the average gasoline vehicle on the road today has a fuel economy of about 22.0 miles per gallon and drives around 11,500 miles per…...
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In the history of spaceflight, almost all spacecraft have been manufactured and assembled on the ground, then integrated into a launch vehicle for delivery into orbit. This approach imposes significant limitations on the size, volume, and design of payloads that…...
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The civil global aviation market has experienced considerable economic growth in recent years and will keep increasing. It is estimated that around 1300 new international airports will be required, and the commercial aircraft fleet will double by 2050, with a…...
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A typical passenger vehicle emits about 4.6 metric tons of carbon dioxide per year. This assumes the average gasoline vehicle on the road today has a fuel economy of about 22.0 miles per gallon and drives around 11,500 miles per…...
You must be a IDST Monthly Access member to access this content.
Energy storage is becoming increasingly important to the power industry. Lithium-ion battery technology has been implemented in many locations, but flow batteries offer significant benefits in long-duration usage applications and situations that require regular cycling throughout the day. With…...
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The function of the propulsion system is to produce thrust, which is the force that moves a rocket through air and space. Different propulsion systems generate thrust in different ways, but always through some application of Newton’s third law of…...
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Marine propulsion is the mechanism or system used to generate thrust to move a a naval vessel across water. At present, 90% of the sea-going naval ship are diesel-powered. There are numerous benefits to electric motor propulsion including that it’s…...
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An optical network is a communication system that uses light signals, instead of electronic ones, to send information between two or more points. The points could be computers in an office, large urban centers or even nations in the global…...
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