QUESTION 1. A hydrazine tank, designed by Orbital Propulsion Center, is made of Ti6A14V STA (3.7164.7) titanium alloy is shown in the figure. a. The length of the tank is 890 mm and its volume is 176.5 liters. Calculate the radius of the tank. b. Determine the tank thickness, t such that the tank resists the proof pressure of 36.9 Bar without permanent deformation and the burst pressure of 49.2 Bar without fracture. c. Under the operational conditions (MEOP), determine the absolute maximum shear stress that occurs on the tank.

Elements Of Electromagnetics
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Author:Sadiku, Matthew N. O.
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QUESTION 1. A hydrazine tank, designed by Orbital Propulsion Center, is made of T16A14V
STA (3.7164.7) titanium alloy is shown in the figure.
a. The length of the tank is 890 mm and its volume is 176.5 liters. Calculate the radius of the
tank.
b. Determine the tank thickness, t such that the tank resists the proof pressure of 36.9 Bar
without permanent deformation and the burst pressure of 49.2 Bar without fracture.
c. Under the operational conditions (MEOP), determine the absolute maximum shear stress
that occurs on the tank.
http://www.space-propulsion.com/spacecraft-propulsion/hydrazine-tanks/index.html
Surface Tension Propellant Tank OST 33/0
Net Volume Range
176.5 Litres
Propellants
Hydrazine (N,H)
Spherical with a gylindrical Intersection
Geometrical Shape
Maximum Expected Operating
Pressure (MEOP)
24.63 bar
Proof Pressure (1.5 x MEOP)
36.95 bar
Burst Pressure (2.0 x MEOP)
49.26 bar
Interface Fixation
4 Suspension Trunnions
Materials
- Pressure Vessel
TIGAIAV STA (3.7164.7)
- Trunnions / Ports
TI6AI4V (3.7164.1)
TIGAI4V (3.7164.1)
- PMD
Tank Mass Range
Project Involvement
13.5 kg
Cosmo / SkyMed
Transcribed Image Text:QUESTION 1. A hydrazine tank, designed by Orbital Propulsion Center, is made of T16A14V STA (3.7164.7) titanium alloy is shown in the figure. a. The length of the tank is 890 mm and its volume is 176.5 liters. Calculate the radius of the tank. b. Determine the tank thickness, t such that the tank resists the proof pressure of 36.9 Bar without permanent deformation and the burst pressure of 49.2 Bar without fracture. c. Under the operational conditions (MEOP), determine the absolute maximum shear stress that occurs on the tank. http://www.space-propulsion.com/spacecraft-propulsion/hydrazine-tanks/index.html Surface Tension Propellant Tank OST 33/0 Net Volume Range 176.5 Litres Propellants Hydrazine (N,H) Spherical with a gylindrical Intersection Geometrical Shape Maximum Expected Operating Pressure (MEOP) 24.63 bar Proof Pressure (1.5 x MEOP) 36.95 bar Burst Pressure (2.0 x MEOP) 49.26 bar Interface Fixation 4 Suspension Trunnions Materials - Pressure Vessel TIGAIAV STA (3.7164.7) - Trunnions / Ports TI6AI4V (3.7164.1) TIGAI4V (3.7164.1) - PMD Tank Mass Range Project Involvement 13.5 kg Cosmo / SkyMed
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