Flight mechanics - Propulsive balance and energy

所在平台: Coursera

课程主页: https://www.coursera.org/learn/flight-mecha-balance

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课程简介

课程名称:飞行力学 - 推进平衡与能量 课程概述:本课程专注于能量管理,即速度和高度控制。首先将描述和建模各种阻力来源以及推力的起源,并与速度和高度的变化进行探讨。利用这些模型,可以评估推进平衡,并推导出重要概念,如飞行状态、最佳爬升速度或推进极限。接下来,我们将简要了解巡航性能以及重量对航程的影响。 本课程是“飞行力学基础”专题课程的一部分。 课程大纲: 1. **推进方程** - 描述:首先我们将研究造成阻力和推力的物理原理,推导出基本模型和表示,如阻力极。 2. **飞行状态** - 描述:在此我们将看到为稳定飞行阶段(如爬升、最终进近或巡航)选择的空速如何影响飞机的行为,以及为何某些速度在特定阶段是最佳的。 3. **巡航性能** - 描述:本节主要讨论在给定有效载荷和燃料量下,我们可以飞行的距离,以及它与飞机设计和操作特性的关系。

课程大纲

Name:Equation of propulsion

Description:First we will look at the physics at the origin of drag and thrust, and derive basic models and representations like the drag polar.

Name:Flight regimes

Description:We will see here how the airspeed chosen to fly a stabilized phase of flight, like climb, final approach, or cruise, affects the behavior of the airplane, and why certain speeds are optimal for a given phase.

Name:Cruise performance

Description:Our main subject here is the distance we can fly with a given payload and fuel quantity, and how it relates with the design and operational characteristics of the airplane.

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课程详情

This course is dedicated to energy management, i.e. speed and altitude control. The various sources of drag are first described and modeled, as well as thrust origin, and evolution with speed and altitude. Using these models, we can evaluate the propulsive balance and derive important concepts like flight regimes, best climb speed, or propulsion ceiling. We take then a glance at cruise performances and the evolution of range with weight. This course is a part of the specialization "Fundamentals of Flight mechanics".

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