X-Ray-Test-03-07-23

00001: Ensure complete emptying of air

Step	Step description	Expected result	Result
precondition	system is off
Switch On the system	turn on the pump	95% vacuum	positive
Switch Off the system	turn Off the pump	the pump stops pulling out the air	positive
Postcondition	System is off

00002: power supply (P1)

Step	Step description	Expected result	result
Precondition	System is Off
Switch On the system	turn on the power supply (P1)	Get continuous power (6- 12 V)	positive
Switch Off the system	turn Off the power supply (P1)	Continuous power stops	positive
Postcondition	System is Off

00003: Get electrons

Step	Step description	Expected Result	Result
Precondition	System is Off
Switch On the pump	turn On the pump	95 % vacuum	positive
Switch On the power supply (P1)	turn On the power supply (P1)	Get continuous power (6- 12 V)	negative ( the power supply reduce the voltage to 3.5 volts)
Burning the Tungsten (or use a electron gun)	Burn the Tungsten by supplying it with 3.5 V power	Get electrons around the Tungsten (the lamp will light)	positive
Switch Off the power supply (P1)	turn Off the power supply (P1)	the lamp will turn Off	positive
Switch Off the pump	turn Off the pump	the pump stops pulling out the air	positive
Postcondition	System is Off

00004:High voltage (P2)

Step	Step description	Expected Result	Result
Precondition	System is Off
Switch On the system	Turn On the HV (P2)	Get continuous power ( 10 Kv )	positive
Switch Off the system	Turn Off the HV (P2)	Continuous power stops	positive
Postcondition	System is Off

00005: Detector

Step	Step description	Expected result	Result
Precondition	System is Off
Switch On the system	Turn On the detector	the detector gives a signal when exposed to X-Rays.	positive
Switch Off the system	Turn Off the detector	detector is not running	positive
Postcondition	System is Off

00006: Acceleration of electrons

Step	Step description	Expected Result	Result
Precondition	System is Off
Switch On the pump	turn On the pump	95% vacuum	positive
Switch On the power supply (P1)	turn On the power supply (P1)	Get continuous power (6-12 V)	negative ( 3.5 V)
Switch On the High Voltage (P2)	turn On the HV (P2)	Get continuous power ( 10 Kv )	positive
Switch On the detector	turn On the detector	detector is running	positive
electrons acceleration	Connecting the high voltage to the anode and the cathode .	X-Rays emission ( the detector giving a signal will indicate that the electrons leaving the tungsten have been accelerated, by passing between the anode and the cathode, and collided with the copper)	negative (the electrons did not penetrate the single hole in the plak, but deviated towards the screw on the plack )
Switch Off the HV (P2)	turn Off the HV (P2)	No X-Rays emission ( the detector will not give a signal)	positive
Switch Off the detector	turn Off the detector	detector is not running	positive
Switch Off the power supply(P1)	turn Off the power supply (P1)	the lamp will turn Off	positive
Switch Off the pump	turn Off the pump	the pump stops pulling out the air	positive
Postcondition	System is Off

00007: Helmholtz Coil

Step	Step description	Expected Result	Result
Precondition	System is Off
Switch On the system	Turn On the Helmholtz Coil by providing it with an power supply (P3) equal to 21.7 V	Get magnetic field ( B= 0.01 T)	positive
Switch Off the system	Turn Off the Helmholtz Coil	Magnetic field stops	positive
Postcondition	System is Off

00008: Electrons deflection

Step	Step description	Expected Result	Result
Precondition	System is Off
Switch On the pump	Turn On the pump	95% vacuum	positive
Switch On the power supply (P1)	Turn On the power supply (P1)	Get continuous power ( 6-12V)	negative (3.5 v)
Switch On the HV (P2)	Turn On the HV (P2)	Get continuous power ( 10 Kv)	positive
Switch On the Helmholtz Coil	Turn On the Helmholtz Coil on the curved tube	Get magnetic field (B=0.01 T)	positive
Switch On the detector	Turn On the detector	detector is running	positive
Electrons deflection	Electrons will subjected to a magnetic field of B= 0.01 T when they pass through the curve.	X-Rays emission ( the detector giving a signal will indicate that the electrons leaving the tungsten have been accelerated, by passing between the anode and the cathode, deflected and collided with the copper)	negative
Switch Off the HV (P2)	Turn Off the HV (P2)	Continuous power stops, No X-Rays emission( the detector will not give a signal)	positive
Switch Off the detector	Turn Off the detector	detector is not running	positive
Switch Off the Helmholtz Coil	Turn Off the Helmholtz Coil	Magnetic field stops	positive
Switch Off the power supply (P1)	Turn Off the power supply (P1)	the lamp will turn Off	positive
Switch Off the pump	Turn Off the pump	the pump stops pulling out the air	positive
Postcondition	System is Off

Analysis of the test results:

First we turned on the pump and secured the necessary vacuum;

Then we turned on the tungsten through the control panel; We tried to supply tungsten with power ranging between 6 and 12 volts,

but the tungsten in this case consumed more than 20 amps, which made the power supply reduce the voltage to 3.5 volts.

(The power supply that we used can withstand from 0 to 20 amps);

Now we turned on the high voltage (10 kv), and the problem of electron leakage appeared at the ends of the cylinder,

and the electrons did not penetrate the single hole in the plak, but deviated towards the screw on the plack (this indicates a problem in the distribution of charges evenly).

control system

power supply for the tungsten:

we give the tungsten here a 7 V as voltage:

What we have to do

-we will use another power supply ( 0 to 200 A)

- we will remove the screw in order to distribute the charges evenly.