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Bernoulli's Principle and Heart Attacks
- 1. BERNOULLI’S APPLICATIONS ON BLOOD FLOW AND HEART ATTACK BASED ON BERNOULLI’S PRINCIPLE
- 2. CONTENTS INTRODUCTION WHAT IS BERNOULLI’S PRINCIPLE? PRINCIPLE OF COUNTINUITY EXAMPLES OF BERNOULLI’S PRINCIPLE HEART ATTACK AND BLOOD FLOW QUIZ
- 3. INTRODUCTION It is a principle formulated by Daniel Bernoulli. He is known for his application of mathematics to mechanics, especially fluid mechanics. Bernoulli’s principle, Early kinetic theory of gases, thermodynamics.
- 4. WHAT IS BERNOULLI’S PRINCIPLE? For a streamline fluid flow, the sum of the pressure(p), the kinetic energy per unit volume(pv^2/2) and the potential energy per unit volume (pgh) remain constant. P + (pv^2/2) + pgh = constant (Bernoulli’s equation) Bernoulli’s principle can be derived from the principle of conservation of energy.
- 5. PRINCIPLE OF COUNTINITY According to the Bernoulli’s principle from equation of continuity is high for region of less cross sectional area. For stream line flow of an ideal fluid through horizontal tube, the pressure increase where velocity decreases and vice versa. That an increase in velocity of fluid occurs simultaneously with a decrease in the fluid potential
- 6. Examples of Bernoulli’s theorem There are many day to day life situation explains Bernoulli’s principle- Working of an aero plane Blowing off roofs Bunsen burner Motion of two parallel boats Heart attacks and blood flow
- 7. Heart attack and blood flow Bernoulli’s principle also explains about the reason for heart attack. Human heart is a muscular organ. And the left ventricle pumps the oxygen and nutrients to all parts of the body. The arteries inside the human heart get constricted due to accumulation of plague on its inner walls and the blood flows through this constriction with high speed lower the pressure inside the artery.
- 8. It may collapse due to external pressure and heart exerts more pressure in that blocked region and forces to pass and blood rushes through the openings with increasing speed. Internal pressure drops and once again leading to collapse and causes heart attack.
- 9. QUIZ 1. The aircraft design is based on the principle? A. Bernoulli’s principle B. conservation of mass C. Gravity D. Equation of motion
- 10. 1. The aircraft design is based on the principle? A. Bernoulli’s principle B. conservation of mass C. Gravity D. Equation of motion
- 11. 2. Which of the following principle is used in Bernoulli’s principle? A. Conservation of energy B. Conservation of mass C. Conservation of charge D. Conservation of momentum
- 12. 2. Which of the following principle is used in Bernoulli’s principle? A. Conservation of energy B. Conservation of mass C. Conservation of charge D. Conservation of momentum
- 13. 3. Bernoulli’s equation formula is relation between- A. pressure B. kinetic energy C. gravitational potential energy D. all of these
- 14. 3. Bernoulli’s equation formula is relation between- A. Pressure B. kinetic energy C. Gravitational potential energy D. All of these
- 15. 4. In which of the following is Bernoulli’s equation A. Compressible flow B. viscous flow C. Irrotational flow D. Inviscid and incompressible flow
- 16. 4. In whichof the following is Bernoulli’s equation A. Compressible flow B. viscous flow C. Irrotational flow D. Inviscid and incompressible flow
- 17. 5. As air moves faster the pressure will- A. Be the same B. be greater C. be less D. none of these
- 18. 5. As air moves faster the pressure will- A. Be the same B. be greater C. be less D. none of these
Editor's Notes
- That an increase in velocity of fluid occurs simultaneously with a decrease in the fluid potential energy.