Calculate the mach number and the reynolds number

Assignment Help Mechanical Engineering

Reference no: EM131270860

1. The average chord of an airplane's wing is 4 m and it flies at sea level (ρ = 1.225 kg/m³, μ = 1.78 × 10^-5 N s/m², T = 288 K, γ = 1.4) at a speed of 1000 km/h. Calculate the Mach number and the Reynolds number based on the wing average chord.

2. The airplane of the previous problem flies at the same speed of 1000 km/h, but at an altitude of 10,000 m, where ρ = 0.413 kg/m³, μ = 1.46 × 10^-5 N s/m², T = 223 K, γ = 1.4.

(a) Calculate the Mach number and the Reynolds number based on the wing average chord.

(b) What percentage of speed reduction is required if the airplane must fly at the same Mach number as calculated for sea level (in the previous problem)?

Reference no: EM131270860

Questions Cloud

Estimate how much the insect model size can increase : estimate how much the insect model size can increase and still maintain the true Reynolds number (for helium use ρ = 0.179 kg/m3, μ = 1.9 × 10-5 N s/m2).

Identify sources of differentiation-positioning strategy : Analyze both Hillary Clinton and Donald Trump as marketed brands. Identify their sources of differentiation, positioning strategy, and identify positioning errors. Please use each candidate’s 4P’s as the qualitative analysis for identifying positioni..

Why do you believe this product is worthwhile : Create a Microsoft Word analysis of no more than 1,400 words that includes the following: Describe the product or service, including its main characteristics. Why do you believe this product is worthwhile

What are some disadvantages of low-cost leadership : What are some disadvantages of low-cost leadership? Is it possible to have a differentiation orientation and a low-cost orientation at the same time? Why or why not?

Calculate the mach number and the reynolds number : What percentage of speed reduction is required if the airplane must fly at the same Mach number as calculated for sea level (in the previous problem)?

Forms of resistance to a rigid : What forms of resistance to a rigid, top-down control system may be evident from employees? Discuss and provide an illustrative example.

Evaluate the effectiveness of its reward systems : Give an example of how an organization might evaluate the effectiveness of its reward systems. Be sure to include specific metrics and the data that would be gathered as part of the evaluation process.?

Discuss the ethical issues or challenges : Identify the characteristics by which the effectiveness of the following leaders might be evaluated: an assistant coach, a teacher, and a minister. Prioritize and explain the rationale for these characteristics. Discuss the ethical issues or challeng..

The concept of complex linkages : Assume you have been asked to consult Apple on technology strategy in a global world. Begin by explaining to Apple the concept of “complex linkages” and why Apple must be careful about managing its global suppliers as a part of managing Apple’s globa..

User Account

All Pages