thrust deduction factor

简明释义

推力减额系数

英英释义

例句

1.A lower thrust deduction factor indicates better propulsion efficiency in a vessel.

较低的推力扣除系数表示船只的推进效率更高。

2.The calculation of the thrust deduction factor is crucial for optimizing the performance of marine propulsion systems.

计算推力扣除系数对于优化海洋推进系统的性能至关重要。

3.The thrust deduction factor can vary depending on the hull shape and operating conditions.

根据船体形状和操作条件，推力扣除系数可能会有所不同。

4.To improve fuel efficiency, it is essential to minimize the thrust deduction factor.

为了提高燃油效率，减少推力扣除系数是必不可少的。

5.Engineers must consider the thrust deduction factor when designing new ships to ensure efficiency.

工程师在设计新船时必须考虑推力扣除系数以确保效率。

作文

The concept of the thrust deduction factor is crucial in the field of marine engineering and naval architecture. It refers to the portion of the engine's thrust that is lost due to various factors such as resistance from the hull, propeller inefficiencies, and other hydrodynamic effects. Understanding this factor is essential for designing efficient vessels that can achieve optimal performance while minimizing fuel consumption.When engineers design a ship, they must take into account how much thrust will actually be converted into forward motion. This is where the thrust deduction factor comes into play. It is typically represented as a percentage and is calculated by comparing the effective thrust produced by the propulsion system to the total thrust generated by the engines. A lower thrust deduction factor indicates that more of the engine's power is being effectively used for propulsion, while a higher factor suggests that a significant amount of thrust is being wasted.Several factors contribute to the thrust deduction factor. One major factor is the design of the hull itself. A well-designed hull can reduce drag and allow for smoother movement through water, thereby increasing the effective thrust. Conversely, a poorly designed hull can create turbulence and resistance, leading to a higher thrust deduction factor.Another important aspect is the efficiency of the propeller. Propellers must be designed to match the specific operating conditions of the vessel. If the propeller is not suited for the speed or load of the ship, it may not convert the engine's thrust efficiently, resulting in a higher thrust deduction factor. Additionally, environmental conditions such as water density, salinity, and temperature can also affect the performance of both the hull and the propeller.To optimize the thrust deduction factor, engineers often use computational fluid dynamics (CFD) simulations during the design phase. These simulations allow them to analyze how different designs will perform under various conditions, helping to identify the most efficient configurations. By minimizing the thrust deduction factor, designers can create vessels that are not only faster but also more fuel-efficient, which is increasingly important in today's environmentally conscious world.In conclusion, the thrust deduction factor is a vital parameter in the design and operation of marine vessels. It serves as a key indicator of how effectively a ship can convert engine power into forward motion. By understanding and optimizing this factor, engineers can significantly enhance the performance and efficiency of ships, leading to reduced operational costs and lower environmental impact. As the maritime industry continues to evolve, the importance of the thrust deduction factor will only grow, making it an essential consideration for future innovations in ship design and technology.

推力扣除因子（thrust deduction factor）的概念在海洋工程和船舶设计领域至关重要。它指的是由于船体阻力、螺旋桨效率低下以及其他水动力效应等各种因素而损失的发动机推力部分。理解这个因子对于设计高效的船只至关重要，这些船只能够在尽量减少燃料消耗的同时实现最佳性能。当工程师设计一艘船时，他们必须考虑有多少推力实际上会转化为前进的动力。这就是推力扣除因子（thrust deduction factor）发挥作用的地方。它通常以百分比表示，通过比较推进系统产生的有效推力与发动机产生的总推力来计算。较低的推力扣除因子（thrust deduction factor）表明更多的发动机功率被有效用于推进，而较高的因子则表明相当多的推力被浪费。几个因素会影响推力扣除因子（thrust deduction factor）。一个主要因素是船体本身的设计。设计良好的船体可以减少阻力，使船只在水中更顺畅地移动，从而增加有效推力。相反，设计不良的船体可能会造成湍流和阻力，导致推力扣除因子（thrust deduction factor）较高。另一个重要方面是螺旋桨的效率。螺旋桨必须根据船只的特定操作条件进行设计。如果螺旋桨不适合船只的速度或负载，它可能无法有效地转化发动机的推力，从而导致推力扣除因子（thrust deduction factor）较高。此外，环境条件如水密度、盐度和温度也会影响船体和螺旋桨的性能。为了优化推力扣除因子（thrust deduction factor），工程师通常在设计阶段使用计算流体动力学（CFD）模拟。这些模拟使他们能够分析不同设计在各种条件下的表现，有助于识别最有效的配置。通过最小化推力扣除因子（thrust deduction factor），设计者可以创造出不仅更快而且更节能的船只，这在当今环保意识日益增强的世界中变得越来越重要。总之，推力扣除因子（thrust deduction factor）是船舶设计和操作中的一个关键参数。它作为船只将发动机功率转化为前进动力的有效性的重要指标。通过理解和优化这一因子，工程师可以显著提高船舶的性能和效率，从而降低运营成本并减少对环境的影响。随着海事行业的不断发展，推力扣除因子（thrust deduction factor）的重要性只会增加，使其成为未来船舶设计和技术创新的一个重要考虑因素。