Daher Nuclear Tech­no­logies
Daher Nuclear Tech­no­logies

IRRA­DIATED AND OTHER RADIOACTIVE MATE­RIALS

Nuclear Fuel Rail and Road Logistics

NON-IRRA­DIATED NUCLEAR FUELS

TECH­NICAL SERVICE

ENGI­NEERING AND RADIATION PRO­TECTION SER­VICES

TECH­NICAL SER­VICES

Our engi­neers create con­tainer and packaging con­cepts, manage the official approvals pro­ce­dures and accompany the manu­facture of the con­tainers.

DESIGN AND ACCEP­TANCE OF CON­TAINERS

 

Expe­ri­enced engi­neers are available for the deve­lopment of new con­tainer con­cepts, for the accep­tance pro­cedure and for their manu­facture.

Con­tainers for the trans­por­tation of radioactive mate­rials have to go through a complex approval process in order to ensure that even if there is an accident during trans­por­tation, there can be no danger to people and the envi­ronment.

Design and deve­lopment

 

DAHER NUCLEAR TECH­NO­LOGIES LTD. has a multi-disci­plinary team of experts for the deve­lopment and licensing of new con­tainer con­cepts and for the main­tenance of existing con­tainer licenses.

An important part of con­tainer deve­lopment, apart from the afo­re­men­tioned safety ana­lyses, are the design expertise and the creation of manu­fac­turing drawings by our tech­nical drau­ghtsmen, using current design tools (3D-CAD, ren­dering).

RANGE OF ANA­LYSIS SER­VICES

1. Struc­tural-mecha­nical cal­cu­la­tions

1.1 Dynamic and quasi-static cal­cu­la­tions using LS-DYNA

  • Cal­cu­la­tions using LS-DYNA
  • Cal­cu­lation of drop tests
  • Recal­cu­lation of material tests
  • Contact modelling
  • Modelling of bolted and welded joints to meet requi­re­ments
  • Strain rate-dependent material
  • Material failures
  • Coupled thermal-mecha­nical ana­lyses
 

1.2 Static cal­cu­la­tions using ANSYS Mecha­nical

  • Linear and non-linear
  • Contact pro­blems
  • Detailed cal­cu­la­tions on the basis of sub-models
  • Detailed ana­lysis of welds on the basis of the struc­tural stress and notch stress concept
  • Coupled thermal-mecha­nical ana­lyses

1.3 Static strength veri­fi­cation and fatigue strength and fatigue life veri­fi­cation in accordance with the FKM gui­deline
1.4 Bolt design according to VDI 2230
1.5 Veri­fi­ca­tions for pressure vessels in accordance with the AD 2000 leaflets
1.6 Veri­fi­ca­tions for load securing con­cepts in accordance with DIN EN 12195 and VDI 2700

2. Thermal cal­cu­la­tions

2.1 Sta­tionary and tran­sient cal­cu­la­tions using ANSYS Mecha­nical

  • Simu­lation of com­bustion pro­cesses taking into account phase changes and heat generation
  • Con­si­de­ration of heat con­duction, con­vection and radiation
  • Thermal contact modelling
  • Deri­vation of con­vection boundary con­di­tions on the basis of the VDI Heat Atlas
 

3. Nuclear safety ana­lyses

3.1 Cal­cu­la­tions using the SCALE code package

  • Deter­mining dose rates for neutron and gamma sources
  • Cri­ti­cality safety ana­lyses
  • Burnup com­pu­tation for deter­mining source terms and com­po­sition of fuel

3.2 Activity release ana­lyses according to ISO 12807

DNT STORAGE SERVICE

 

DAHER NUCLEAR TECH­NO­LOGIES GmbH is licensed in accordance with the Radiation Pro­tection Ordi­nance to handle and store low-level radioactive mate­rials in in two storage buil­dings at the Hanau site.

A third storage building is cur­r­ently in the process of being approved.

 

HANAU SITE
At the Hanau site, a total of 2000m² storage space is available in two storage buil­dings for low-level radioactive, packaged waste.

A § 7 radiation pro­tection permit exists for both storage buil­dings (unli­mited). In both buil­dings, cranes are installed for handling packaging (mostly stan­dar­dised con­tainers).

A building app­li­cation has been sub­mitted for a further building with an addi­tional 2000m² of storage space; the docu­ments for the approval according to radiation pro­tection are to a large extent com­plete.

In addition, the site includes the pos­si­bility to store e.g. radioac­tively con­ta­mi­nated plant and equipment in approved 20’ con­tainers. These outdoor storage buil­dings also have radiation pro­tection permits according to § 7. Mobile cranes are used for handling in the outdoor storage buil­dings.

DNT CON­TAINER SERVICE

 

DAHER NUCLEAR TECH­NO­LOGIES GmbH offers main­tenance, testing, repair and service of access­ories for con­tainers from the entire front-end area.

DAHER NUCLEAR TECH­NO­LOGIES GmbH has its own fleet of inter­na­tio­nally approved transport con­tainers with the necessary equipment for handling.

Where required, addi­tional transport con­tainers can be made available to our customers via existing usage agree­ments.

IRRA­DIATED AND OTHER RADIOACTIVE MATE­RIALS

Nuclear Fuel Rail and Road Logistics

NON-IRRA­DIATED NUCLEAR FUELS

TECH­NICAL SERVICE

ENGI­NEERING AND RADIATION PRO­TECTION SER­VICES

READ MORE

ENGI­NEERING AND RADIATION PRO­TECTION SER­VICES