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Previous operations

Preparation campaign : september 2007

Preparation campaign: weeks from 01 to 23 september 2007

Since the beginning of the month, each mechanical element constitutive of the subsystem of propulsion (PRSS) that is to say: tanks, nozzles, network of pipes and other valves, are put in pressure, sealing also being  checked.

This exhaustive check-up is necessary to guarantee that the vehicle ATV did not suffer damage during its transport from ESTEC to CSG and is able to be filled, later with propellants.

ESA and
Astrium ST technical teams finished an important series of controls of integrity of the subsystem of propulsion of the ATV Jules Verne. Located in the module of service (also called SpaceCraft, or SC), the PRSS will allow the ATV, once separated from the ARIANE launcher, to be driven on its orbit of transfer, to reach the International Space Station (ISS) and to carry out the fine operations of bringing together and alignment, for its accosting with the Russian node Zvezda.

The PRSS will be also used to raise the altitude of the ISS (to the maximum of 80 kilometers, the ISS losing 100 meters of altitude per day).

In parallel of the activities unrolled on the PRSS and this during more several days, the  ATV Jules Verne also undergoes functional electric tests. Thus, each electric component embarked on the vehicle is activated and its behaviour checked. Among these equipments, one finds “Visual Video Targets” or VVT, great backlighted black test cards, positioned in front of the ATV and which allow the astronauts on ISS to visually control the alignment of the ATV with the international space station.

Week's pictures with captions

Checking tightness of PRSS Checking tightness of PRSS ICC-SC connection Operator in control premises

Preparation campaign: august 2007

Preparation campaign: week from 20 to 26 August 2007

 

Further functional testing of the electrical systems. All electrical sub-systems are tested one by one.

Preparation campaign: week  from  13 to  19 August 2007

The following have been scheduled:

- Continued inspection of tightness of the tanks which will provide the International Space Station  (ISS) with drinking water - Electrical coupling of the two SC (spacecraft) and ICC (integrated cargo carrier) modules of the automatic transfer vehicle (ATV), which will then be connected to control benches

- Functional testing of different ATV systems (laser radiometers and ISS target)

- Tightness inspection of tanks for fuelling with gas (oxygen, nitrogen and breathable air)

The Jules Verne ATV now has two modules (a pressurised module: ICC and a service module: SC  which have been electrically connected.

 

This week’s picture, the clean room in the S5C. On the left, the ICC, on the right the SC and between them, the electrical cables linking the two modules

Clean room in  S5C on august 16 at 2pm

Preparation campaign: week  from  6 to  12 August 2007

The beginning of the week is devoted to:

- checking tightness of the system for supplying the ISS with water and gas

- checking the interface between the SC and its flight adaptor

Towards the end of the week:

- verifying the tension of the device securing the ATV to its flight adaptor

 The week’s pictures with captions

Clean room in S5C on august 9 at 2pm SC on its flight adaptor (SDM)

   

Preparation campaign:  week from  30 July to  5 August 2007

                     

The unloading and ferrying of the ATV took place from 30 July to 1 August.

The second half of the week was devoted to opening the three containers carrying the ATV flight components:

the spacecraft (SC) (module for control, propulsion and power supply),

the integrated cargo carrier (ICC) (pressurised module for transport)

and the separation and distancing module (SDM) (flight adaptor).

The first sub-assemblies and integration scaffolds were assembled in a clean room, while at the same time the first electrical benches were deployed in the control premises. 

 

A few of the week’s pictures with captions,  showing the week's operations

 

Clean room in S5C SDM (flight adaptor) integrated cargo carrier (ICC) spacecraft SC
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