a glipse on astronautics

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Space Flight - Astronautics Mohammad Tawfik #WikiCourses http://WikiCourses.WikiSpaces.com Space Flight - Space Flight - Astronautics Astronautics Mohammad Tawfik Mohammad Tawfik University of Science and Technology University of Science and Technology Zewail City Zewail City

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Page 1: A Glipse on Astronautics

Space Flight - AstronauticsMohammad Tawfik

#WikiCourseshttp://WikiCourses.WikiSpaces.com

Space Flight - Space Flight - AstronauticsAstronautics

Mohammad TawfikMohammad TawfikUniversity of Science and TechnologyUniversity of Science and Technology

Zewail CityZewail City

Page 2: A Glipse on Astronautics

Space Flight - AstronauticsMohammad Tawfik

#WikiCourseshttp://WikiCourses.WikiSpaces.com

Space Environment!

Page 3: A Glipse on Astronautics

Space Flight - AstronauticsMohammad Tawfik

#WikiCourseshttp://WikiCourses.WikiSpaces.com

Vacuum!

Page 4: A Glipse on Astronautics

Space Flight - AstronauticsMohammad Tawfik

#WikiCourseshttp://WikiCourses.WikiSpaces.com

Above 120 km, air density becomes extremely low!

No lift and no oxygen!!!

Page 5: A Glipse on Astronautics

Space Flight - AstronauticsMohammad Tawfik

#WikiCourseshttp://WikiCourses.WikiSpaces.com

Thermal Environment

Page 6: A Glipse on Astronautics

Space Flight - AstronauticsMohammad Tawfik

#WikiCourseshttp://WikiCourses.WikiSpaces.com

No atmosphere to cushin thermal transitions

-270 to 120 C!

Page 7: A Glipse on Astronautics

Space Flight - AstronauticsMohammad Tawfik

#WikiCourseshttp://WikiCourses.WikiSpaces.com

No convection to cool down vehicles

Page 8: A Glipse on Astronautics

Space Flight - AstronauticsMohammad Tawfik

#WikiCourseshttp://WikiCourses.WikiSpaces.com

Radiation!

Page 9: A Glipse on Astronautics

Space Flight - AstronauticsMohammad Tawfik

#WikiCourseshttp://WikiCourses.WikiSpaces.com

Full Electromagnetic Spectrum –

Radio waves to X-Rays

Page 10: A Glipse on Astronautics

Space Flight - AstronauticsMohammad Tawfik

#WikiCourseshttp://WikiCourses.WikiSpaces.com

Page 11: A Glipse on Astronautics

Space Flight - AstronauticsMohammad Tawfik

#WikiCourseshttp://WikiCourses.WikiSpaces.com

Weightlessness

Page 12: A Glipse on Astronautics

Space Flight - AstronauticsMohammad Tawfik

#WikiCourseshttp://WikiCourses.WikiSpaces.com

Continuous free fall vs Microgravity

Page 13: A Glipse on Astronautics

Space Flight - AstronauticsMohammad Tawfik

#WikiCourseshttp://WikiCourses.WikiSpaces.com

Page 14: A Glipse on Astronautics

Space Flight - AstronauticsMohammad Tawfik

#WikiCourseshttp://WikiCourses.WikiSpaces.com

Some Numbers

Page 15: A Glipse on Astronautics

Space Flight - AstronauticsMohammad Tawfik

#WikiCourseshttp://WikiCourses.WikiSpaces.com

Minimum orbital velocity is 7.8 km/s (28Mm/hr)

Page 16: A Glipse on Astronautics

Space Flight - AstronauticsMohammad Tawfik

#WikiCourseshttp://WikiCourses.WikiSpaces.com

Minimum Orbit altitude 250 km!