http://en.wikipedia.org/wiki/SSMEthe temperature in the combustion chamber reaches 3,300 °C (6,000 °F)
SSME exhaust gas temperatures refer to the temperature of the hot gases that are produced by the Space Shuttle Main Engines (SSMEs) during operation. These gases are used to generate thrust and propel the space shuttle into orbit.
Monitoring SSME exhaust gas temperatures is crucial for ensuring the safety and efficiency of a space shuttle launch. It allows engineers to detect any anomalies or potential malfunctions in the engines, which could be dangerous during flight. It also helps optimize the performance of the engines.
The normal range of SSME exhaust gas temperatures varies depending on the phase of the launch. During liftoff, the temperature can reach up to 6,000 degrees Fahrenheit (3,316 degrees Celsius). However, during the rest of the flight, the temperature typically ranges from 1,600 to 3,000 degrees Fahrenheit (871 to 1,649 degrees Celsius).
SSME exhaust gas temperatures are measured using thermocouples, which are temperature sensors that can withstand extremely high temperatures. These sensors are strategically placed throughout the engine to provide accurate readings.
If the SSME exhaust gas temperatures reach dangerous levels, the engines will automatically shut down to prevent any damage or safety hazards. This is a built-in safety feature that is designed to protect the spacecraft and its crew. Engineers will then analyze the data to determine the cause and make any necessary adjustments before the next launch attempt.