Satellite speed

H. Hoshizaki, Heat Transfer in Planetary Atmospheres at Super-Satellite Speeds, ARS J. (32) 1544-1551,1962. 

In their analysis of scientific and technological challenges associated with the construction of aircraft capable of attaining satellite speeds. Gibbons et al. (1994 20 1) point out that discovery in the context of application generates fundamental discontinuities with previous experiences. 

Figure 5.37 depicts the basic set up of a wireline logging operation. A sonde is lowered downhole after the drill string has been removed. The sonde is connected via an insulated and reinforced electrical cable to a winch unit at the surface. At a speed of about 600m per hour the cable Is spooled upward and the sonde continuously records formation properties like natural gamma ray radiation, formation resistivity or formation density. The measured data is sent through the cable and is recorded and processed in a sophisticated logging unita the surface. Offshore, this unit will be located in a cabin, while on land it is truck mounted. In either situation data can be transmitted in real time via satellite to company headquarters if required. 

Beryllium is used as an alloying agent in producing beryllium copper, which is extensively used for springs, electrical contacts, spot-welding electrodes, and non-sparking tools. It is applied as a structural material for high-speed aircraft, missiles, spacecraft, and communication satellites. Other uses include windshield frame, brake discs, support beams, and other structural components of the space shuttle. 

A satellite is orbiting at a speed of 18,000 miles per hour. How many seconds does it take to travel 100 miles 1... 

For non-volatile random access memories (NV-RAMs in which the stored information is retained even if power to the chip is interrupted), ferroelectrics serve not just as capacitors (as in the case of the DRAM, described below), but as the memory element itself. Their principal advantages in this application are low-voltage (1.0 V) operation, small size (about 20% of a conventional EEPROM cell - and cost is proportional to size once high-yield production is achieved), radiation hardness (not just for military applications but also for satellite communications systems) and very high speed (60 ns access time in commercial devices, sub-nanosecond in laboratory tests on single cells). 

When total DNA is subjected to high speed density gradient centrifugation in caesium chloride, a large band of nuclear DNA and one or more small satellite bands are usually observed. Up to four satellite DNA bands have been detected in... 

The result is qualitatively correct and of the correct order of magnitude, but the terms from other satellites are important. For example, the values for the speed of sound calculated when the [ki YI1 term is neglected in liq. (17-23)- -the equation then gives the Bohm-Staver values- the values found when keeping that term, and the experimental values arc all given in Table 17-1 for sodium, magnesium, and aluminum clearly the full summation is needed. The Bohm-Staver formula does reasonably well for the alkali metals, but this is because of cancellation. ... 

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