block coefficient

简明释义

方型系数

英英释义

例句

1.When designing a racing yacht, the block coefficient must be minimized for better performance.

在设计竞赛帆船时，必须将块系数降到最低以获得更好的性能。

2.The block coefficient is defined as the ratio of the volume of the submerged part of the hull to the volume of a rectangular block with the same length, beam, and draft.

块系数定义为船体浸没部分的体积与具有相同长度、宽度和吃水深度的矩形块体积之比。

3.The block coefficient is a crucial parameter in naval architecture that helps determine the hull's resistance.

在船舶设计中，块系数是一个关键参数，有助于确定船体的阻力。

4.Engineers often calculate the block coefficient to optimize the design of a new vessel.

工程师们常常计算块系数以优化新船的设计。

5.A high block coefficient indicates a fuller hull shape, which can affect speed and fuel efficiency.

高块系数表示船体形状较为丰满，这可能影响速度和燃油效率。

作文

The concept of block coefficient is fundamental in naval architecture and marine engineering. It refers to the ratio of the volume of a submerged body to the volume of a rectangular block that has the same length, breadth, and draft as the body. Essentially, the block coefficient helps in understanding how efficiently a vessel can move through water. A higher block coefficient indicates a fuller hull form, which can lead to greater displacement but may also result in increased resistance when moving through water. Conversely, a lower block coefficient suggests a more streamlined shape, ideally suited for high-speed vessels. To illustrate this, consider two ships designed for different purposes: a cargo ship and a racing yacht. The cargo ship typically has a higher block coefficient, reflecting its need to carry heavy loads efficiently. This design allows it to displace more water, providing stability and buoyancy. However, this comes at the cost of speed, as the fuller hull creates more drag. On the other hand, the racing yacht, designed for speed and agility, has a lower block coefficient. Its sleek shape minimizes water resistance, allowing it to glide swiftly across the surface. Understanding the implications of the block coefficient is crucial for engineers and designers in the maritime industry. By manipulating this coefficient, they can optimize a vessel’s design for specific operational demands. For instance, when designing a fishing trawler, engineers might aim for a balance between stability (which requires a higher block coefficient) and speed (which benefits from a lower coefficient). This balance is essential for ensuring the vessel can operate efficiently in various sea conditions while fulfilling its intended purpose. Moreover, the block coefficient plays a significant role in predicting fuel consumption. Vessels with higher coefficients tend to consume more fuel due to the increased resistance they encounter. Therefore, shipbuilders are continually researching and developing new hull designs that maintain adequate stability without compromising speed and fuel efficiency. Advances in computational fluid dynamics (CFD) have allowed for more precise modeling of how changes in the block coefficient affect a ship's performance, leading to innovations in hull design. In conclusion, the block coefficient is a vital parameter in the design and analysis of marine vessels. It provides insights into the trade-offs between stability, speed, and fuel efficiency. As the maritime industry continues to evolve, understanding and optimizing the block coefficient will remain essential for creating vessels that meet the diverse needs of shipping, fishing, and recreation. In a world increasingly focused on sustainability, the ability to design ships that minimize fuel consumption while maximizing performance will be crucial for the future of maritime transportation.

“block coefficient”的概念在海洋建筑和海洋工程中是基础性的。它指的是一个浸没物体的体积与一个具有相同长度、宽度和吃水深度的矩形块的体积之比。基本上，block coefficient有助于理解一艘船在水中移动的效率。较高的block coefficient表示更饱满的船体形状，这可能导致更大的排水量，但也可能导致在水中移动时增加阻力。相反，较低的block coefficient暗示着更流线型的形状，理想适用于高速船只。为了说明这一点，考虑两艘为不同目的设计的船只：一艘货船和一艘比赛游艇。货船通常具有较高的block coefficient，反映了其有效承载重负荷的需要。这种设计使其能够排开更多的水，从而提供稳定性和浮力。然而，这也以速度为代价，因为更饱满的船体产生更多的阻力。另一方面，比赛游艇旨在追求速度和灵活性，因此具有较低的block coefficient。其流线型的形状最小化了水的阻力，使其能够迅速滑过水面。理解block coefficient的影响对于海事行业的工程师和设计师至关重要。通过操控这个系数，他们可以优化船只的设计以满足特定的操作需求。例如，在设计一艘渔船时，工程师可能会寻求在稳定性（需要较高的block coefficient）和速度（受益于较低的系数）之间取得平衡。这种平衡对确保船只能够在各种海况下高效运行，同时完成其预期目的至关重要。此外，block coefficient在预测燃料消耗方面也起着重要作用。具有较高系数的船只往往由于遇到的阻力增加而消耗更多燃料。因此，造船商不断研究和开发新的船体设计，以保持足够的稳定性而不妨碍速度和燃油效率。计算流体动力学（CFD）的进步使得更精确地建模block coefficient变化对船舶性能影响成为可能，从而推动了船体设计的创新。总之，block coefficient是海洋船舶设计和分析中的一个重要参数。它提供了有关稳定性、速度和燃油效率之间权衡的见解。随着海事行业的不断发展，理解和优化block coefficient将继续对创造满足航运、捕鱼和娱乐多样需求的船只至关重要。在一个日益关注可持续发展的世界中，设计出能够最小化燃料消耗同时最大化性能的船只的能力将是未来海运运输的关键。