3-14-2002 Instrument Engineering

ARCS Review

Engineering Design

Ralph Niemann

Don Ghilardi

Robb Williams

3-14-2002 Instrument Engineering

Recent Design Issues

• Detector Mounting• Vacuum Vessel Concepts• System Integration

3-14-2002 Instrument Engineering

Detector Module Mounting

• 8 Detectors per Module

• Neutron Shielding

• Read out card (ROC) mounting

• Current concept ~35 pounds

3-14-2002 Instrument Engineering

Module Mounting

• Assume Man Access from behind for now

• Potential Access:

– From above/below

– Remote Access

3-14-2002 Instrument Engineering

Module Mounting

3-14-2002 Instrument Engineering

Module Mounting

3-14-2002 Instrument Engineering

Module Mounting

3-14-2002 Instrument Engineering

Vacuum Vessel

• Tank Particulars

– 70 Cubic Meters

– 3.9 meter radius

– Irregular shape to accommodate building

– 35,000 pounds

3-14-2002 Instrument Engineering

Tank Drawing

3-14-2002 Instrument Engineering

Tank Plan View

3-14-2002 Instrument Engineering

Sample Gate Concept

• Ability to change sample without bringing entire vessel to atmosphere

• Other concepts still need to be investigated.

3-14-2002 Instrument Engineering

Sample Chamber

3-14-2002 Instrument Engineering

Sample Chamber

3-14-2002 Instrument Engineering

Sample Access

• Hoist for sample equipment

• Access to sample area from Central Lab Office

• Miscellaneous tank controls accessible from sample area

3-14-2002 Instrument Engineering

Pump Access

3-14-2002 Instrument Engineering

Instrument Shielding

• Poured in Place High Density Concrete

• Stackable High Density Concrete

• Steel Shielding 18” around the beam

3-14-2002 Instrument Engineering

Fermi Chopper Mounting

• Remote Adjustment in and out of beam

• Integrate design with shielding to allow access from the top of shielding

3-14-2002 Instrument Engineering

3-14-2002 Instrument Engineering

Upcoming Efforts

• Detector Mounting– Test Chamber

• Detector in Vacuum

• Module Handling

• Vacuum Chamber– Tank Access

– Installation Issues

– “Crispy Mix” Mounting and Vacuum Effects

• Sample Chamber– Gate Concept

– Sample Manipulation

– Other Components

• Collimator

• “Thimble”

• System Integration– Conventional Facilities

– Safety Regulations