According to the thermal shielding model of solid rocket motor, an approach of ablation heat shield design of end-burning grain with embedded wire was put forward in this paper.

根据固体火箭发动机绝热防护模型，提出了一种嵌金属丝端燃装药绝热层设计方法。

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Rolf Ziesing, Westinghouse's director of nuclear licensing, said the shield building design "was the focus of intense regulatory review" and improvements were made as a result of concerns expressed by critics.

WSJ: NRC Approves Toshiba Reactor Design

They challenged the reactor on several grounds, including the novel design of its shield building.

WSJ: NRC Approves Toshiba Reactor Design

So he had to design an aluminum shield around it.

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