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ASIPP

ASIPP. 2006 年 HT-7 春季实验实验提案 粒子平衡法测量壁滞留研究 杨愚 2006. ASIPP. 2006 年 HT-7 春季实验实验提案 —— 粒子平衡法测壁滞留. 基本原理. Wall retention is a critical topic for ITER. The long pulses of HT-7 provide good opportunity for the study. Particle balance equation is utilized for retention evaluation since 2004.

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ASIPP

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  1. ASIPP 2006年HT-7春季实验实验提案 粒子平衡法测量壁滞留研究 杨愚 2006

  2. ASIPP 2006年HT-7春季实验实验提案——粒子平衡法测壁滞留 基本原理 Wall retention is a critical topic for ITER. The long pulses of HT-7 provide good opportunity for the study. Particle balance equation is utilized for retention evaluation since 2004. Working gases: commonly D2, He for a short period. Conditioning : D2 and He during the experimental ran. Pumping: 4 cryo-pumps and 4 TMP station. Vacuum Diagnostics: Six ion gauges for vacuum vessel; One diaphragm gauge for fueling tank; One QMS RGA analyzer. Ref: Particle balance in the TFTR, M. Ulrickson, JVST A6 Vol. 3 (1988) p. 2001

  3. ASIPP 2006年HT-7春季实验实验提案——粒子平衡法测壁滞留 HT-7的结果 Particle balance shows that about 60% of the fuelled gas is retained relatively permanently inside the chamber. With 3 TMP, pumping speed=843l/s. From QMS, H2/D2=2:3. Conversion factor of D2 for Pvv=2.4. Qpuff=342Pal ~9.2E19 molecules. Qextract=110Pal ~3.0E19 molecules. retention=68%±16%

  4. ASIPP 2006年HT-7春季实验实验提案——粒子平衡法测壁滞留 实验一：脉冲长度的影响 要求：3s, 6s, 10s, ~20-30s, even longer. Ip>50kA, ne(0)>1E19m-3, PLHW>150kW 参考炮号： 81338, 83000, 84247 5炮

  5. ASIPP 2006年HT-7春季实验实验提案——粒子平衡法测壁滞留 实验二：抽速的影响 要求：3s, 6s, 10s, ~20-30s, even longer. Ip>50kA, ne(0)>1E19m-3, PLHW>150kW 参考炮号： 81338, 83000, 84247 8炮

  6. ASIPP 2006年HT-7春季实验实验提案——粒子平衡法测壁滞留 实验三：破裂的影响 要求：3s, 6s, 10s, ~20-30s, even longer. Ip>50kA, ne(0)>1E19m-3, PLHW>150kW 参考炮号： 79146, 81338, 83000, 84247 6炮

  7. ASIPP 2006年HT-7春季实验实验提案——粒子平衡法测壁滞留 实验四：壁温的影响 要求：3s, 6s, 10s, ~20-30s, even longer. Ip>50kA, ne(0)>1E19m-3, PLHW>150kW 参考炮号： 79146, 81338, 83000, 84247 6炮

  8. ASIPP 2006年HT-7春季实验实验提案——粒子平衡法测壁滞留 其它要求： 1，22:30等离子体放电结束后，5-10次没有等离子体的放电调试。 2，放电长度、充气控制，控制破裂放电。 3，SXS监测高Z杂质，光谱检测C/O杂质，Halpha阵列，H/D比，质谱，红外相机，热电偶。

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