useful load

简明释义

有效负载

英英释义

例句

1.The aircraft has a maximum useful load of 1,200 pounds, allowing it to carry passengers and cargo efficiently.

这架飞机的最大有效载荷为1200磅，使其能够高效地运载乘客和货物。

2.The useful load calculation is critical for ensuring safety during takeoff and landing.

计算有效载荷对于确保起飞和着陆期间的安全至关重要。

3.Cargo planes are designed to maximize their useful load for transporting goods across long distances.

货运飞机被设计成最大化其有效载荷，以便在长距离运输货物。

4.When planning a flight, pilots must consider the useful load to ensure they do not exceed weight limits.

在规划飞行时，飞行员必须考虑有效载荷以确保不超过重量限制。

5.The useful load of this helicopter includes medical equipment and personnel for emergency evacuations.

这架直升机的有效载荷包括医疗设备和人员，用于紧急撤离。

作文

In the world of aviation, understanding the term useful load is crucial for both pilots and aircraft operators. The useful load refers to the maximum weight that an aircraft can carry in addition to its own empty weight. This includes passengers, cargo, and any additional equipment necessary for a flight. Knowing the useful load is essential for ensuring that the aircraft operates safely and efficiently. If the total weight exceeds the aircraft's maximum takeoff weight, it can lead to serious safety risks, including the potential for crashes during takeoff or landing.To further illustrate the concept of useful load, let’s consider a small general aviation aircraft. Suppose the aircraft has an empty weight of 1,500 pounds and a maximum takeoff weight of 2,500 pounds. In this case, the useful load would be calculated by subtracting the empty weight from the maximum takeoff weight, resulting in a useful load of 1,000 pounds. This means that the pilot can carry up to 1,000 pounds of passengers, baggage, or cargo without exceeding the aircraft's limits.The significance of useful load becomes even clearer when planning a flight. For instance, if a pilot intends to fly with three passengers and their luggage, they must first calculate the total weight of the passengers plus the luggage. If each passenger weighs 150 pounds and their luggage totals 100 pounds, the total weight would be 650 pounds. This leaves 350 pounds of useful load capacity available for fuel and other necessities.Moreover, different types of aircraft have varying useful loads. Larger commercial jets can carry significantly more weight than smaller private planes. Understanding these differences is important for airlines and cargo operators who need to maximize their payload while adhering to safety regulations. For example, a Boeing 747 has a much larger useful load compared to a Cessna 172, allowing it to transport hundreds of passengers or tons of cargo across long distances.Additionally, the useful load can be affected by various factors, including fuel weight, which is a critical component of flight planning. Pilots must account for how much fuel they will need for the journey, as this weight reduces the available useful load for passengers and cargo. A well-planned flight considers all these variables to ensure that the aircraft remains within safe operating limits.In conclusion, the term useful load is not just a technical specification; it plays a vital role in aviation safety and operational efficiency. Pilots, airlines, and cargo companies must have a thorough understanding of useful load to make informed decisions about weight distribution, passenger capacity, and cargo limits. By doing so, they can ensure that flights are conducted safely and efficiently, ultimately contributing to the overall safety of air travel. Thus, comprehending the implications of useful load is essential for anyone involved in the aviation industry.

在航空界，理解术语有效载荷对飞行员和飞机运营商来说至关重要。有效载荷是指飞机可以携带的最大重量，除了其自身的空重之外。这包括乘客、货物以及飞行所需的任何额外设备。了解有效载荷对于确保飞机安全高效地运行至关重要。如果总重量超过飞机的最大起飞重量，可能会导致严重的安全风险，包括在起飞或着陆过程中发生坠毁。为了进一步说明有效载荷的概念，我们考虑一架小型通用航空飞机。假设这架飞机的空重为1500磅，最大起飞重量为2500磅。在这种情况下，有效载荷将通过从最大起飞重量中减去空重来计算，结果为1000磅的有效载荷。这意味着飞行员可以在不超过飞机限制的情况下携带最多1000磅的乘客、行李或货物。有效载荷的重要性在于规划飞行时变得更加明显。例如，如果飞行员打算与三名乘客及其行李一起飞行，他们必须首先计算乘客和行李的总重量。如果每位乘客重150磅，而他们的行李总计100磅，则总重量为650磅。这使得可用的有效载荷容量剩余350磅用于燃料和其他必需品。此外，不同类型的飞机具有不同的有效载荷。大型商业喷气机能够承载的重量远远超过小型私人飞机。理解这些差异对航空公司和货运运营商而言至关重要，因为他们需要在遵守安全法规的同时最大化其有效载荷。例如，波音747的有效载荷比塞斯纳172大得多，使其能够在长途飞行中运输数百名乘客或数吨货物。此外，有效载荷可能会受到各种因素的影响，包括燃油重量，这是飞行计划中的一个关键组成部分。飞行员必须考虑他们在旅途中需要多少燃料，因为这个重量会减少乘客和货物的可用有效载荷。精心策划的飞行考虑到所有这些变量，以确保飞机保持在安全操作范围内。总之，术语有效载荷不仅仅是一个技术规格；它在航空安全和运营效率中扮演着重要角色。飞行员、航空公司和货运公司必须充分理解有效载荷，以便就重量分配、乘客容量和货物限制做出明智的决策。通过这样做，他们可以确保飞行安全高效地进行，最终有助于整体航空旅行的安全。因此，理解有效载荷的含义对于参与航空行业的任何人来说都是至关重要的。