THERMAL ANALYSIS OF ETA=3 REGION EE AND SE I.Wichrowska-Polok ST/CV CMS EE workshop 13th of March 2002 1. The purpose of the analysis. 2. The model description.

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Presentation transcript:

THERMAL ANALYSIS OF ETA=3 REGION EE AND SE I.Wichrowska-Polok ST/CV CMS EE workshop 13th of March The purpose of the analysis. 2. The model description. 3. Boundary conditions 4. The results of the analysis.

EE workshop 13th March 2002Izabella Wichrowska-Polok ST/CV2 THE PURPOSE OF THE ANALYSIS. Temperature of the gas can vary 3 degrees from its mean Crystals requirements: +/-0.1 o in time, 2 o in space Goals of analysis: Find temperature variation inside SC array; Find the effect of insulation of SE cone (20 mm thick).

EE workshop 13th March 2002Izabella Wichrowska-Polok ST/CV3 THE MODEL AND BOUNDARY CONDITIONS back plate set at 18.05C; rear of SE set at 18.02C; SE cone/SE fixation 18.5C adiabatic conditions -outer part of the model steady state analysis for gas temperature 18C (first run) and 20C(second run)

EE workshop 13th March 2002Izabella Wichrowska-Polok ST/CV4 THE MODEL - DETAILS OF THE MESH

EE workshop 13th March 2002Izabella Wichrowska-Polok ST/CV5 THE RESULTS OF THE ANALYSIS

EE workshop 13th March 2002Izabella Wichrowska-Polok ST/CV6 THE RESULTS OF THE ANALYSIS FOR 1st CASE (NO INSULATION) Temperature maps of the SC situated close to the central hole for nitrogen temperature 18°C (on the left) and 20°C (on the right)

EE workshop 13th March 2002Izabella Wichrowska-Polok ST/CV7 Temperature maps of the SC situated in centrum of SC array for nitrogen temperature 18°C (on the left) and 20°C (on the right) THE RESULTS OF THE ANALYSIS FOR 1st CASE (NO INSULATION)

EE workshop 13th March 2002Izabella Wichrowska-Polok ST/CV8 Temperature maps of the SC situated in outer part of SC array for nitrogen temperature 18°C (on the left) and 20°C (on the right) THE RESULTS OF THE ANALYSIS FOR 1st CASE (NO INSULATION)

EE workshop 13th March 2002Izabella Wichrowska-Polok ST/CV9 THE RESULTS OF THE ANALYSIS FOR 2nd CASE (WITH INSULATION) Temperature maps of the SC situated close to central hole for nitrogen temperature 18°C (on the left) and 20°C (on the right)

EE workshop 13th March 2002Izabella Wichrowska-Polok ST/CV10 THE RESULTS OF THE ANALYSIS FOR 2nd CASE (WITH INSULATION) Temperature maps of the SC situated in centrum of SC array for nitrogen temperature 18°C (on the left) and 20°C (on the right)

EE workshop 13th March 2002Izabella Wichrowska-Polok ST/CV11 THE RESULTS OF THE ANALYSIS FOR 2nd CASE (WITH INSULATION) Temperature maps of the SC situated in outer part of SC array for nitrogen temperature 18°C (on the left) and 20°C (on the right)