The Mathematics of Directional Drilling Bit by Bit Solutions
Bit of Administration ….
description
Transcript of Bit of Administration ….
![Page 1: Bit of Administration ….](https://reader034.fdocuments.net/reader034/viewer/2022051821/56815202550346895dc04563/html5/thumbnails/1.jpg)
![Page 2: Bit of Administration ….](https://reader034.fdocuments.net/reader034/viewer/2022051821/56815202550346895dc04563/html5/thumbnails/2.jpg)
Bit of Administration ….Bit of Administration ….• ReadingReading
– BSNV Chap. 13BSNV Chap. 13
• PortfoliosPortfolios– Due Due Thursday, April 29Thursday, April 29, because of possible TAA strike, because of possible TAA strike
• Put in box outside 6522 SterlingPut in box outside 6522 Sterling
– All 5 must be All 5 must be securelysecurely bound together, including ones already graded bound together, including ones already graded– Late portfolios will lose creditLate portfolios will lose credit
• Lab 3Lab 3– Due Due Thursday, April 29Thursday, April 29, because of possible TAA strike , because of possible TAA strike
• Put in box outside 6522 SterlingPut in box outside 6522 Sterling
– Problem 5, HW 1 is a good starting point for the lab questionsProblem 5, HW 1 is a good starting point for the lab questions– Note typo in Question 3 - “Jupiter” => “Saturn”Note typo in Question 3 - “Jupiter” => “Saturn”
![Page 3: Bit of Administration ….](https://reader034.fdocuments.net/reader034/viewer/2022051821/56815202550346895dc04563/html5/thumbnails/3.jpg)
Jovian RingsJovian Rings
SaturnSaturn
NeptuneNeptune
JupiterJupiter
UranusUranus
![Page 4: Bit of Administration ….](https://reader034.fdocuments.net/reader034/viewer/2022051821/56815202550346895dc04563/html5/thumbnails/4.jpg)
Jovian RingsJovian Rings• SaturnSaturn
Cassini’s DivisionCassini’s Division
AA BBCC
![Page 5: Bit of Administration ….](https://reader034.fdocuments.net/reader034/viewer/2022051821/56815202550346895dc04563/html5/thumbnails/5.jpg)
Jovian RingsJovian Rings• SaturnSaturn
70, 000 km across …. 20 m thick!70, 000 km across …. 20 m thick!
![Page 6: Bit of Administration ….](https://reader034.fdocuments.net/reader034/viewer/2022051821/56815202550346895dc04563/html5/thumbnails/6.jpg)
Jovian RingsJovian Rings• SaturnSaturn
S
AB
RedshiftRedshift
BlueshiftBlueshift
Velocity AVelocity A >> Velocity BVelocity B
Keplerian!Keplerian!
EarthEarth
![Page 7: Bit of Administration ….](https://reader034.fdocuments.net/reader034/viewer/2022051821/56815202550346895dc04563/html5/thumbnails/7.jpg)
Jovian RingsJovian Rings• SaturnSaturn
Snowflakes (few microns) to Boulders (10 m)Snowflakes (few microns) to Boulders (10 m)
![Page 8: Bit of Administration ….](https://reader034.fdocuments.net/reader034/viewer/2022051821/56815202550346895dc04563/html5/thumbnails/8.jpg)
Jovian RingsJovian Rings• Dynamics - Roche LimitDynamics - Roche Limit
• Radius Inside Which Large Bodies Fragment Due to Tidal ForcesRadius Inside Which Large Bodies Fragment Due to Tidal Forces (i.e., differences in gravitational forces)(i.e., differences in gravitational forces)
Sat1 2
1000 km1 km
Gravitational Force on Moon 2
Gravitational Force on Moon 1€
Fg =GM2MS
10002
€
Fg =GM1MS
10012
1.002 x Greater1.002 x Greater
![Page 9: Bit of Administration ….](https://reader034.fdocuments.net/reader034/viewer/2022051821/56815202550346895dc04563/html5/thumbnails/9.jpg)
Jovian RingsJovian Rings
Gravitational Force on Moon 2
Gravitational Force on Moon 1€
Fg =GM2MS
12
€
Fg =GM1MS
22
4 x Greater!4 x Greater!
• Dynamics - Roche LimitDynamics - Roche Limit
• Radius Inside Which Large Bodies Fragment Due to Tidal ForcesRadius Inside Which Large Bodies Fragment Due to Tidal Forces (i.e., differences in gravitational forces)(i.e., differences in gravitational forces)
1 2
1 km
1 km
Sat
![Page 10: Bit of Administration ….](https://reader034.fdocuments.net/reader034/viewer/2022051821/56815202550346895dc04563/html5/thumbnails/10.jpg)
Jovian RingsJovian Rings
• Dynamics - Roche LimitDynamics - Roche Limit
• Radius Inside Which Large Bodies Fragment Due to Tidal ForcesRadius Inside Which Large Bodies Fragment Due to Tidal Forces (i.e., differences in gravitational forces)(i.e., differences in gravitational forces)
• Rings formed by …Rings formed by …
• Moon entering within Roche limit?Moon entering within Roche limit?• Material originally inside Roche limit that neverMaterial originally inside Roche limit that never formed a moon?formed a moon?• Slow destruction of small moons within Roche limit Slow destruction of small moons within Roche limit by micrometeorites?by micrometeorites?
![Page 11: Bit of Administration ….](https://reader034.fdocuments.net/reader034/viewer/2022051821/56815202550346895dc04563/html5/thumbnails/11.jpg)
Jovian RingsJovian Rings
• Dynamics - Cassini Division - Tidal ResonanceDynamics - Cassini Division - Tidal Resonance Suppose ….Suppose ….
![Page 12: Bit of Administration ….](https://reader034.fdocuments.net/reader034/viewer/2022051821/56815202550346895dc04563/html5/thumbnails/12.jpg)
Jovian RingsJovian Rings
• Dynamics - Cassini Division - Tidal ResonanceDynamics - Cassini Division - Tidal Resonance Suppose ….Suppose ….
S
S
S
MimasMimas
![Page 13: Bit of Administration ….](https://reader034.fdocuments.net/reader034/viewer/2022051821/56815202550346895dc04563/html5/thumbnails/13.jpg)
Jovian RingsJovian Rings
• Dynamics - Cassini Division - Tidal ResonanceDynamics - Cassini Division - Tidal Resonance
• Orbital Period of Mimas is 2x Orbital PeriodOrbital Period of Mimas is 2x Orbital Period of particles in Cassini’s Divisionof particles in Cassini’s Division
“ “2 to 1 Resonance”2 to 1 Resonance”
• Repeated gravitational pulls clear gap at that orbit.Repeated gravitational pulls clear gap at that orbit.
![Page 14: Bit of Administration ….](https://reader034.fdocuments.net/reader034/viewer/2022051821/56815202550346895dc04563/html5/thumbnails/14.jpg)
Jovian RingsJovian Rings
• Dynamics - Shepherd SatellitesDynamics - Shepherd Satellites
100 km100 km
![Page 15: Bit of Administration ….](https://reader034.fdocuments.net/reader034/viewer/2022051821/56815202550346895dc04563/html5/thumbnails/15.jpg)
Jovian RingsJovian Rings
• Dynamics - Shepherd SatellitesDynamics - Shepherd Satellites
SaturnSaturn
![Page 16: Bit of Administration ….](https://reader034.fdocuments.net/reader034/viewer/2022051821/56815202550346895dc04563/html5/thumbnails/16.jpg)
Jovian RingsJovian Rings
• Dynamics - Shepherd SatellitesDynamics - Shepherd Satellites
![Page 17: Bit of Administration ….](https://reader034.fdocuments.net/reader034/viewer/2022051821/56815202550346895dc04563/html5/thumbnails/17.jpg)
Jovian RingsJovian Rings
• Uranus and NeptuneUranus and Neptune
![Page 18: Bit of Administration ….](https://reader034.fdocuments.net/reader034/viewer/2022051821/56815202550346895dc04563/html5/thumbnails/18.jpg)
Jovian RingsJovian Rings
• Uranus and Neptune - WeatherUranus and Neptune - Weather
![Page 19: Bit of Administration ….](https://reader034.fdocuments.net/reader034/viewer/2022051821/56815202550346895dc04563/html5/thumbnails/19.jpg)
Jovian RingsJovian Rings
• Uranus and Neptune - WeatherUranus and Neptune - Weather
![Page 20: Bit of Administration ….](https://reader034.fdocuments.net/reader034/viewer/2022051821/56815202550346895dc04563/html5/thumbnails/20.jpg)
Jovian RingsJovian Rings
• Uranus and Neptune - Interior StructureUranus and Neptune - Interior Structure
![Page 21: Bit of Administration ….](https://reader034.fdocuments.net/reader034/viewer/2022051821/56815202550346895dc04563/html5/thumbnails/21.jpg)
Jovian RingsJovian Rings
• Uranus and Neptune - Rotation and Magnetic FieldsUranus and Neptune - Rotation and Magnetic Fields
![Page 22: Bit of Administration ….](https://reader034.fdocuments.net/reader034/viewer/2022051821/56815202550346895dc04563/html5/thumbnails/22.jpg)
Jovian RingsJovian Rings
• Uranus and Neptune - MoonsUranus and Neptune - Moons
Retrograde, inclined orbit Retrograde, inclined orbit - captured?- captured?
38 38 ooKK
![Page 23: Bit of Administration ….](https://reader034.fdocuments.net/reader034/viewer/2022051821/56815202550346895dc04563/html5/thumbnails/23.jpg)
Jovian PlanetsJovian Planets• SummarySummary
• Weather (“Atmospheric Dynamics”)Weather (“Atmospheric Dynamics”)• Driven by energy flowsDriven by energy flows
• Thermal from interiorThermal from interiorResidual heat from formationResidual heat from formationOngoing contractionOngoing contraction
• Gravity (highs to lows)Gravity (highs to lows)• Solar radiationSolar radiation
• Rapid rotation + Coriolis leads to twisting motionsRapid rotation + Coriolis leads to twisting motions
• Magnetic fieldsMagnetic fields• Result fromResult from
• Liquid metallic interiorsLiquid metallic interiors• RotationRotation• ConvectionConvection
![Page 24: Bit of Administration ….](https://reader034.fdocuments.net/reader034/viewer/2022051821/56815202550346895dc04563/html5/thumbnails/24.jpg)
Jovian PlanetsJovian Planets
• SummarySummary
• Giant MoonsGiant Moons• Ice and rock (from condensation sequence)Ice and rock (from condensation sequence)• Dynamically active (due to tidal forces)Dynamically active (due to tidal forces)• Atmospheres (Io, Titan, Triton)Atmospheres (Io, Titan, Triton)• Liquid oceans (Europa?, Titan?)Liquid oceans (Europa?, Titan?)• Life ?Life ?
![Page 25: Bit of Administration ….](https://reader034.fdocuments.net/reader034/viewer/2022051821/56815202550346895dc04563/html5/thumbnails/25.jpg)
Asteroids, Comets, Meteors, and PlutoAsteroids, Comets, Meteors, and Pluto
![Page 26: Bit of Administration ….](https://reader034.fdocuments.net/reader034/viewer/2022051821/56815202550346895dc04563/html5/thumbnails/26.jpg)
Asteroids, Comets, Meteors, and PlutoAsteroids, Comets, Meteors, and Pluto
![Page 27: Bit of Administration ….](https://reader034.fdocuments.net/reader034/viewer/2022051821/56815202550346895dc04563/html5/thumbnails/27.jpg)
Asteroids, Comets, Meteors, and PlutoAsteroids, Comets, Meteors, and Pluto
• AsteroidsAsteroids
![Page 28: Bit of Administration ….](https://reader034.fdocuments.net/reader034/viewer/2022051821/56815202550346895dc04563/html5/thumbnails/28.jpg)
Asteroids, Comets, Meteors, and PlutoAsteroids, Comets, Meteors, and Pluto
• AsteroidsAsteroids
QuickTime™ and aCinepak decompressorare needed to see this picture.