Gas turbine engine thermal management

A method of controlling a cooled cooling air system of an aviation gas turbine engine is provided. The method includes receiving data indicative of an environmental condition of the aero-gas turbine engine, data indicative of a degradation parameter of the aero-gas turbine engine, data indicative of an operating condition of the aero-gas turbine engine, or a combination thereof; the cooling capacity of the cooled cooling air system is modified in response to received data indicative of an environmental condition of the aero-gas turbine engine, data indicative of a degradation parameter of the aero-gas turbine engine, data indicative of an operating condition of the aero-gas turbine engine, or a combination thereof. 提供了一种控制航空燃气涡轮发动机的冷却的冷却空气系统的方法。该方法包括：接收指示航空燃气涡轮发动机的环境状况的数据、指示航空燃气涡轮发动机的劣化参数的数据、指示航空燃气涡轮发动机的操作状况的数据或其组合；响应于接收的指示航空燃气涡轮发动机的环境状况的数据、指示航空燃气涡轮发动机的劣化参数的数据、指示航空燃气涡轮发动机的操作状况的数据或其组合，修改冷却的冷却空气系统的冷却能力。