Search Results - "Qin, C.M."

Recent progress in improvement in ion cyclotron range of frequencies coupling and power absorption with new antennas of Experimental Advanced Superconducting Tokamak (EAST) by Zhang, W., Liu, L.N., Zhang, X.J., Qin, C.M., Yang, H.

“…Abstract Efficient ion cyclotron range of frequencies (ICRF) wave heating requires good wave coupling at the plasma edge and good radio frequency power…”
Get full text

An alternative method to mimic mode conversion for ion cyclotron resonance heating by Zhang, J.H., Zhang, X.J., Qin, C.M., Zhang, W., Yang, Y.Q.

“…Abstract Ion cyclotron range of frequency waves in hot plasmas exhibit spatial dispersion effects and the wave equation takes the integro-differential form…”
Get full text

Design and operation of a load-tolerant ICRH system in Experimental Advanced Superconducting Tokamak by Liu, L.N., Zhang, X.J., Qin, C.M., Mao, Y.Z., Yuan, S., Zhang, W., Yang, H., Wang, L., Cheng, Y., Zhang, K.

“…Abstract Ion Cyclotron Resonance Heating (ICRH) has been a dependable tool for sturdy plasma heating with high RF power of several megawatts. However, a sudden…”
Get full text

Influences of plasma density perturbations on ion cyclotron resonance heating by Zhang, J.H., Zhang, W., Zhang, X.J., Qin, C.M., Yang, Y.Q., Shi, L.

“…Abstract The scattering of waves in the ion cyclotron range by plasma density perturbations in the edge has been previously studied by Zhang et al with the…”
Get full text

Thermal analysis and optimization of the new ICRH antenna Faraday Screen in EAST by Liang, Q.C., Liu, L.N., Zhang, W., Zhang, X.J., Yuan, S., Mao, Y.Z., Qin, C.M., Wang, Y.S., Yang, H.

“…In Experimental Advanced Superconducting Tokamak (EAST) experiments, to achieve long pulse and high-power ICRH system operation, a new kind of ICRH antenna has…”
Get full text

Design of power and phase feedback control system for ion cyclotron resonance heating in the Experimental Advanced Superconducting Tokamak by Liu, L.N., Zheng, W.M., Zhang, X.J., Yang, H., Yuan, S., Mao, Y.Z., Zhang, W., Zhu, G.H., Wang, L., Qin, C.M., Zhao, Y.P., Cheng, Y., Zhang, K.

“…Ion cyclotron range of frequency (ICRF) heating system is an important auxiliary heating method in the experimental Advanced Superconducting Tokamak (EAST). In…”
Get full text

Measurement of the ICRH antenna phasing using antenna strap probe based diagnostic system in EAST tokamak by Liu, L.N., Liang, Q.C., Yang, H., Zhang, X.J., Yuan, S., Mao, Y.Z., Zhang, W., Zhu, G.H., Wang, L., Qin, C.M., Zhao, Y.P., Cheng, Y., Zhang, K.

“…To operate the ion cyclotron resonance heating (ICRH) antennas in a better heating state and produce relatively low impurities, it is necessary to control the…”
Get full text

Metallic impurity sources behavior during ICRH in EAST by Urbanczyk, G., Zhang, X.J., Colas, L., Ekedahl, A., Heuraux, S., Li, J.G., Qin, C.M., Zhao, Y.P., Zhang, L., Yang, X.D.

“…•High-Z impurity sources during ICRF in EAST were qualitatively localized using EUV spectroscopy.•Regions close and magnetically connected to active ICRF…”
Get full text

Experimental investigation on effect of ion cyclotron resonance heating on density fluctuation in SOL at EAST by Li, Y.C., Li, M.H., Wang, M., Liu, L., Zhang, X.J., Qin, C.M., Wang, Y.F., Wu, C.B., Liu, L.N., Xu, J.C., Ding, B.J., Lin, X.D., Shan, J.F., Liu, F.K., Zhao, Y.P., Zhang, T., Gao, X.

“…The suppression of high-intensity blob structures in the scrape-off layer (SOL) by ion-cyclotron range of frequencies (ICRF) power, leading to a decrease in…”
Get full text

Measurement of the ICRH antenna phasing using antenna strap probe based diagnostic system in EAST tokamak by Liu, L.N, Liang, Q.C, Yang, H, Zhang, X.J, Yuan, S, Mao, Y.Z, Zhang, W, Zhu, G.H, Wang, L, Qin, C.M, Zhao, Y.P, Cheng, Y, Zhang, K

“…To operate the ion cyclotron resonance heating (ICRH) antennas in a better heating state and produce relatively low impurities, it is necessary to control the…”
Get full text

Experimental investigation on effect of ion cyclotron resonance heating on density fluctuation in SOL at EAST by Li, Y.C, Li, M.H, Wang, M, Liu, L, Zhang, X.J, Qin, C.M, Wang, Y.F, Wu, C.B, Liu, L.N, Xu, J.C, Ding, B.J, Lin, X.D, Shan, J.F, Liu, F.K, Zhao, Y.P, Zhang, T, Gao, X

“…The suppression of high-intensity blob structures in the scrape-off layer (SOL) by ion-cyclotron range of frequencies (ICRF) power, leading to a decrease in…”
Get full text

Recent progress of RF-dominated experiments on EAST by Liu, F.K., Zhao, Y.P., Shan, J.F., Zhang, X.J., Ding, B.J., Wang, X.J., Wang, M., Xu, H.D., Qin, C.M., Li, M.H., Gong, X.Z., Hu, L.Q., Wan, B.N., Song, Y.T., Li, J.G.

“…The research of EAST program is mostly focused on the development of high performance steady state scenario with ITER-like poloidal configuration and…”
Get full text

Radio frequency designed a quadrature hybrid divider for the load-tolerant ICRF system on EAST by Yang, H., Yuan, S., Zhang, X.J., Liu, L.N., Qin, C.M., Chen, Y., Zhang, K., Wang, L., Chen, Q.Q., Qiu, S.C.

“…•The power divider is capable of effectively maintaining the stability of the ICRF system during long-pulse operation.•The power divider has a simpler…”
Get full text

EAST ion cyclotron resonance heating system for long pulse operation by Zhao, Y.P., Zhang, X.J., Mao, Y.Z., Yuan, S., Xue, D.Y., Deng, X., Wang, L., Ju, S.Q., Cheng, Y., Qin, C.M., Chen, G., Lin, Y., Li, J.G., Wan, B.N., Song, Y.T., Braun, F., Kumazawa, R., Wukitch, S.

“…Radio frequency (RF) power in the ion cyclotron range of frequencies (ICRF) is one of the primary auxiliary heating techniques for Experimental Advanced…”
Get full text

ICRF antenna impedance measurements with voltage and current probes on EAST by Wang, J.H., Chen, G., Zhao, Y.P., Mao, Y.Z., Yuan, S., Zhang, X.J., Bernard, J.M., Lombard, G., Helou, W., Chen, Z., Urbanczyk, G., Qin, C.M., Cheng, Y., Yang, H., Zhang, J.H., Yang, Y.Q., Zhang, K., Ju, S.Q., Deng, X., Wan, B.N., Gong, X.Z., Li, J.G., Hu, L.Q., Song, Y.T.

“…•EAST ICRH impedance measurement system with voltage and current probes is proposed.•Small phase measurement error has an enormous impact on the impedance…”
Get full text