What plays the role of high temperature & low temperature areas in combustion engine & steam engine?

Answer 1

Internal Combustion Engine:
High temperature source temperature is that of the air/fuel mixture attains at the beginning of the work stroke (some average of the temp during burning).
Low temperature sink temperature is the exhaust gas temperature at the end of the expansion during the work stroke. This will be greater than the block temperature.

External Combustion Engine:
High temperature source temperature is that of the temperature of the superheated steam at entry point to cylinder block

Low temperature sink temperature is that of the temperature of the superheated steam at expansion and exit from the cylinder block.

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Answer 2

usually that occurs whilst the coolant point is low, or the electrical powered cooling followers fail to return on. Coolant could be misplaced regardless of the undeniable fact that a leak or blown out as a results of no fan working on a similar time as status nonetheless. interior the morning, whilst the engine continues to be chilly the radiator could be comprehensive. If it is not fill it. initiate the automobile with the hood up and watch the temp gauge. whilst it gets above the traditional mark the cooling fan could initiate blowing. in the event that they don't there's a foul fan fuse or fan relay. those relays are low fee sufficient to purchase a clean one basically put in place of the single which is already there and suspect. If the fan then works usually, the outdated relay grew to become into undesirable. do not neglect to ascertain the fuse, if there is one which in on the fan circuit- that's usually a relay and a circuit breaker regardless of the undeniable fact that, yet Hyundai cuts corners to maintain the fee down. in case you won't be able to get the automobile to behave up in case you're interior the driveway doing this, it may could desire to run longer until eventually the coolant point leaks down sufficient. you will possibly shop looking out for an obvious leak. Coolant could strengthen into the overflow tank, yet that's what it is meant to do. enable the engine cool off for style of an hour earlier you look into the radiator to work out if coolant is lacking. At 48k, i does not anticipate the water pump to leak, yet once you won't be able to work out a leak and coolant gets misplaced besides, it is the place it could be going. in case you have steam popping out the tailpipe and the engine is warm, this is extremely undesirable information. there's a crack interior the top or blown head gasket- significant restoration, and severe priced. I unquestionably have on no account viewed any additive restoration this completely regardless of the undeniable fact that all of them promise to do it interior the label. With good fortune, there might in basic terms be a leak in a hose which you will actually replace for low fee, or a foul radiator cap. What approximately that outstanding Hyundai guarantee?