Steam Engines

The heat exchanger is the device built for efficient heat transfer from one medium to another, whether the media are in direct contact or the media are separated by a solid wall so that they never mix.

The world record for the fastest steam train is 125.88 mph (202.58 km/h). The record was achieved on 3 July 1938.

Yes, turbines used today are radial steam engines.

1. steam dome, collects the steam at the top of the boiler
2. sand dome, holds sand to be deposited on the rails to improve traction in wet or icy conditions; if such conditions do not occur in the location where the locomotive operates this is omitted

The engine of an old train would be a steam engine.

Part of a turbine engine is the compressor. There are no others in aircraft.

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During the early 20th century before world war i

weight. The smallest boilers and engines can't produce enough power to lift themselves off the ground even with the most efficient airfoils. The largest boilers and turbines would require enormous amounts of fuel and water to be carried along, making them cost prohibitive, even if they could achieve lift off.

That is how fast the steam is actually moving in the turbine. For impulse turbines it is twice as fast as the turbine blades. In reaction turbines it is the same speed as the blades. Because the blades of a turbine cannot move faster than 4500 feet per second without self destructing as it overcomes the centripetal force of the turbine wheels, the steam turbine is designed such that no turbine will exceed more than ~1150 feet per second on its tip speed.

Thus the steam velocity through the turbine will be less than ~1150 fps for a reaction turbine and less than ~2300 fps for an impulse turbine, or about ~1570 mph, more than twice the speed of sound.

Yes, coal was used to power most steam driven ships up until just after World War 1. After which most navies and shipping lines converted ships over to oil, which took up much less space, and didn't require so many refueling stations.

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the blowback or blowdown of the safety valve is at least 2 psi and for pressures over 100 psig is 2% of the popping pressure. The blowback is adjusted with the adjusting ring on the safety valve. The blowback is the pressure less than the popping pressure at which the safety valve will reset.

Examples: a safety valve set to pop at 15 psig will reseat at 13 psig, the blowback is 2 psi. A safety valve set to pop at 250 psig will reseat at 245 psig the blowback is 5 psi or 2%.

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In a low-pressure (LP) turbine, the rotor expansion is greater than the casing due to the design and operational conditions of the turbine. The rotor experiences a significant drop in pressure and temperature as steam expands through the turbine stages, resulting in a larger volumetric increase compared to the casing, which is designed to contain the steam flow with minimal expansion. This difference allows for efficient energy extraction from the steam, optimizing the turbine's performance while maintaining structural integrity in the casing. Overall, the rotor's greater expansion accommodates the dynamic changes in steam properties as it moves through the turbine system.

58000 - 81000 psi

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They had things called steam engines that carried human body's across the world to different places