index of drag

USAGE SUMMARY

The phrase "index of drag" is correct and usable in written English.
It can be used in contexts related to physics, engineering, or aerodynamics, where drag is measured or quantified. Example: "The index of drag for this model indicates that it performs efficiently at high speeds."

✓ Grammatically correct

Science

News & Media

Formal & Business

Human-verified similar examples from authoritative sources

Similar Expressions

59 human-written examples

Her nose for value has enabled Forward Small Cap to return 4.8% annually since inception, edging out the 4.5% earned by the Russell 2000 index despite the drag of the fund's1.65% in annual fees and 0.6% in annual brokerage costs.

Forbes

The ultimate embedment depth (UED) is a very important index in evaluating the performance of drag anchors, and hence is of necessity to evaluate the UED precisely in design and analysis.

Ocean Engineering

Indeed, the benchmark Nikkei index of 225 issues fell 2.84percenttodayay, dragging down other Asian markets.

The New York Times

The Conference Board reported yesterday that the strikes against the General Motors Corporation, which lasted nearly eight weeks, dragged down its Index of Leading Economic Indicators, but it said it was too early to warn of a recession.

The New York Times

This is its largest ever injection of funds into the system.The FTSE100 index of leading stocks in London was dragged down in trading on December 3rd as it emerged that Barclays, one of Britain's biggest banks, was among those exposed to Enron, to the tune of $126m in an unsecured loan.

The Economist

This is its largest ever injection of funds into the system.The FTSE 100 index of leading stocks in London was dragged down in trading on December 3rd as it emerged that Barclays, one of Britain's biggest banks, was among those exposed to Enron, to the tune of $126m in an unsecured loan.

The Economist

(His heterosexuality was another form of drag).

The New Yorker

Calculation and measurement of drag components.

Massachusetts Institute of Technology

Understand the different classes of drag vehicles.

WikiHow

During periods of intense immigration, such as from 1870 to 1920, or during the immigration wave that began in the 1970s, new arrivals tend to drag down the average assimilation index of the foreign-born population as a whole.

The Washington Post

The software lets users create their own family trees with drag-and-drop editing and compile an index of relatives.

The New York Times - Tech

Expert writing Tips

Best practice

When using "index of drag", clearly define what parameters are included in the index to ensure clarity and avoid ambiguity. Ensure the index accurately reflects the specific drag characteristics you are analyzing.

Common error

Avoid assuming that the "index of drag" is a fixed value across different conditions or objects. The index varies depending on factors like shape, fluid properties, and velocity. Always specify the context in which the index is applicable.

Linguistic Context

The phrase "index of drag" functions as a noun phrase that identifies a metric or a quantitative indicator related to the resistance experienced by an object moving through a fluid. Based on Ludwig AI, the usage examples are most common in scientific and technical contexts.

Expression frequency: Rare

Frequent in

Science

33%

News & Media

33%

Formal & Business

33%

Less common in

Academia

0%

Encyclopedias

0%

Wiki

0%

Ludwig's WRAP-UP

The term "index of drag" serves as a quantifiable measure for assessing resistance in fluid dynamics. As highlighted by Ludwig AI, while grammatically sound, it appears with relative infrequency, primarily in scientific and engineering contexts. To ensure clarity, precisely define the parameters integrated within the index whenever employed. It's important to note that "index of drag" is influenced by various factors and should not be considered universally constant, rather context and external conditions must be considered. Alternatives such as "drag coefficient" or "drag index" offer related yet nuanced perspectives for conveying similar concepts.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

Drag coefficient

Focuses specifically on the dimensionless quantity representing the resistance of an object in a fluid environment.

Drag index

A more general term for quantifying drag, potentially applicable in various contexts beyond fluid dynamics.

Drag measurement

Emphasizes the process of measuring drag rather than the resultant value itself.

Resistance index

Broader term that can refer to any type of resistance, not specifically drag.

Measure of drag

A more descriptive way of referring to the quantification of drag.

Quantification of drag

Highlights the act of quantifying drag, suitable when emphasizing the measurement process.

Level of drag

Describes the amount of drag present, suitable when describing different degrees of drag.

Drag magnitude

Refers to the size or extent of drag force.

Drag force value

Specifies the numerical value associated with the force of drag.

Friction index

A related but distinct concept, focusing on frictional forces rather than drag.

FAQs

How is the "index of drag" measured or calculated?

The specific method for measuring or calculating the "index of drag" depends on the context. It often involves computational fluid dynamics, wind tunnel experiments, or theoretical calculations based on the object's shape and the fluid properties. Consult relevant engineering or physics resources for specific methodologies.

What factors influence the "index of drag"?

Several factors can influence the "index of drag", including the shape and surface texture of the object, the density and viscosity of the fluid, and the relative velocity between the object and the fluid. Understanding these factors is crucial for accurately interpreting and applying the index.

In what fields or industries is the "index of drag" most commonly used?

The "index of drag" is commonly used in fields like aerospace engineering, automotive design, naval architecture, and sports equipment design. It helps engineers and designers optimize the performance of objects moving through fluids (air or water) by minimizing drag.

What is the difference between "drag coefficient" and "index of drag"?

While the terms are related, the "drag coefficient" is a specific dimensionless number that quantifies the drag force on an object. The "index of drag" is a broader term that may encompass various parameters or a combination of factors related to drag, not necessarily a single coefficient.