What is the specific impulse of methane?

What is the specific impulse of methane? Methane would allow for around 380 second specific impulse (~3.8km/s exhaust velocity), depending on the chamber pressure, expansion ratio, and other design parameters for the engine, while LH2/LOX engines have demonstrated ~450 second specific impulse (~4.5km/s exhaust velocity). What is specific impulse of Read more…

What does a tube worm eat?

What does a tube worm eat? Tubeworms do not eat. They have neither a mouth nor a stomach. Instead, billions of symbiotic bacteria living inside the tubeworms produce sugars from carbon dioxide, hydrogen sulfide, and oxygen. The tubeworms use some of these sugars as food. How long do tube worms Read more…

What are intelligibility drills?

What are intelligibility drills? Intelligibility drills in which the individual reads words, phrases, or sentences and attempts to repair content not understood by the listener. What is exaggerated consonants? Consonant exaggeration is another compensatory strategy that improves the intelligibility of dysarthric speech. Teach the patient to over-articulate in order to Read more…