A- Womersley number (a) of a human aorta is 20 and for the rabbit aorta is 17, the blood density is approximately the same across the species. The values of viscosity were 0.0035 Ns/m² for the human and 0.0040 Ns/m² for the rabbit. The diameter of the aorta is 2.0 cm for the man, and 0.7 cm for the rabbit, estimate the heart rate beats per minute (bpm) for both species Q4- Attempt two onlyA- Womersley number (a) of a human aorta is 20 and for the rabbit aorta is 17, the blood densityis approximately the same across the species. The values of viscosity were 0.0035 Ns/m² for thehuman and 0.0040 Ns/m² for the rabbit. The diameter of the aorta is 2.0 cm for the man, and0.7 cm for the rabbit, estimate the heart rate beats per minute (bpm) for both species.

A- Womersley number (a) of a human aorta is 20 and for the rabbit aorta is 17, the blood density is approximately the same across the species. The values of viscosity were 0.0035 Ns/m² for the human and 0.0040 Ns/m² for the rabbit. The diameter of the aorta is 2.0 cm for the man, and 0.7 cm for the rabbit, estimate the heart rate beats per minute (bpm) for both species

A- Womersley number (a) of a human aorta is 20 and for the rabbit aorta is 17, the blood density is approximately the same across the species. The values of viscosity were 0.0035 Ns/m² for the human and 0.0040 Ns/m² for the rabbit. The diameter of the aorta is 2.0 cm for the man, and 0.7 cm for the rabbit, estimate the heart rate beats per minute (bpm) for both species

Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)

8th Edition

ISBN:9781305387102

Author:Kreith, Frank; Manglik, Raj M.

Publisher:Kreith, Frank; Manglik, Raj M.

Chapter5: Analysis Of Convection Heat Transfer

Section: Chapter Questions

Problem 5.5P: Evaluate the dimensionless groups hcD/k,UD/, and cp/k for water, n-butyl alcohol, mercury, hydrogen,...

See similar textbooks

Similar questions

A differential equation is d2ydt2=Ay2+Byt where y represents a distance and t is time. Determine the dimensions of constants A and B for which the equation will be dimensionally homogeneous.
5.13 The torque due to the frictional resistance of the oil film between a rotating shaft and its bearing is found to be dependent on the force F normal to the shaft, the speed of rotation N of the shaft, the dynamic viscosity of the oil, and the shaft diameter D. Establish a correlation among these variables by using dimensional analysis.
A person is 1.65 m tall. a. Calculate the difference in blood pressure between the feet and top of the head of this person. To make sense of your answer, convert your answer to the unit of atm (101325 Pa = 1 atm). The density of blood is Pblood = 1.06 × 10³ kg/m³. b. Consider a cylindrical segment of a blood vessel 2.00 cm long and 1.50 mm in diameter. What additional outward force would such a vessel need to withstand in the person's feet compared to a similar vessel in her head? c. Justify how you solved for the area of the blood vessel.
valg, (21535mm 1.15 The pressure difference, Ap, across a partial blockage in an artery (called a stenosis) is approximated by the equation μV Ap - K. 4 + K.(A-1) pv² = K₂ A s.r to zogy nish190 32\V as bonb dignol a 3 basiy noft where V is the blood velocity, u the blood viscosity (FL-2T), p the blood density (ML), D the artery diameter, Ao the area of the unobstructed artery, and A, the area of the stenosis. Determine the dimensions of the constants K, and K. Would this equation be valid in any system of units?
A catheter-sensor system for invasive pressure measurements has a catheter with a length of 1 m and a diameter of 2.5 mm. The catheter is filled with water at 20 C, with viscosity  = 0.001 Pa.s and density  = 103 kg/m3. The diaphragm elasticity Ed equals 0.5x1015 N/m5. a. Draw the simplified electrical model of the pressure measurement set-up that includes the catheter and the diaphragm and determine the transfer function of the pressure measurement system. b. Compute the natural frequency and damping ratio of this system. c. The current system has a damping ratio that is far from optimal. Suppose you are pinching the catheter for a small length lx so that the catheter diameter reduces to 0.2mm. Assuming the pinch to affect the resistance only, determine the length lx such that an optimal damping ratio  = 0.7 is obtained. d. Suppose that the assumption of purely resistive effects of the pinch cannot be made. Discuss (without calculations) the consequences on the derivation of lx.
Using Laplace equation figure out how higher than atmospheric pressure is the inner pressure in a drop of water of radius 3 mm interfacing air at atmospheric pressure. Water surface tension 0.072 N/m. Atmospheric pressure 1.01x105 Pa.
1. The deformation of the fluid will continue as long as the 2. When designing gates, vessels, dams or other bodies that are submerged in a liquid, it is important not only to estimate the - 3. The surface tension is the tensile force per -- in any direction along the surface the surface tension. 4. The value of - specifies whether the fluid can be assumed compressible or incompressible. 5. Archimedes' principle indicates- 6. A truck is filled with gasoline. If the container (tank) on the truck undergoes a - - is applied. - but also to specify its location on the body. then the liquid surface will begin to rotate clockwise about the center of the container and will eventually maintain a fixed tilted position.
The pulmonary artery, which pumps blood from the heart to the lungs, has an inner radius of 18.8 mm and is 4.82 cm long. If the pressure drop between the heart and lungs is 1,275 Pa, what is the volume flow rate of blood in the pulmonary artery? Give your answer in cm3/s with two digits of precision. The viscosity of blood at 37°C is 2.1 x 103 Pa s. Your Answer: Answer
An airplane that has a cross-sectional diameter D = 4 m of the front portion is to fly at a speed of 600 km/hr in air that has a density of 1.1 kg/m and dynamic viscosity of 1.27 x 10 Pa.s. A small size model of scale ratio (1/17) to be tested in a different fluid that has a dynamic viscosity 5 x 105 Pa .s and a density of 500 kg/m2. It is determined that the parameters that are important for this test are: diameter D, density, viscosity, velocity V, the length of the wings L and the drag force F. What must be the speed (m/s) of the model to Choose... ensure dynamical similitude? What must be the corresponding diameter of the model (cm)? Choose.. What is the number/s of dimensionless groups for this problem? Choose...
QI A ball made of INOX AISI 365 steel with density of 8.52 gricm3 was used to determine the viscosity of oil with specific gravity of 0.91. In the viscometer, the ball traveled 19 cm in 2.2 seconds. If the diameter of the ball is 2.95 mm, what is the viscosity of the oil in pa.s ? assume that water density is 1000 kg/m'.
= Q2: A 1.78 L four-stroke petrol engine was tested at 2500 rpm. The developed brake power is 28 kW and the brake specific fuel consumption (bsfc) is 290 g/kW.hr. Air consumption is measured by means of air-box method with orifice diameter 3.2-cm and discharge coefficient 0.62 and the pressure difference across the orifice is 150-mm-water. The ambient pressure and the temperature in the test room is 101 kPa and 20 °C. Assume: CV 43.9 MJ/kg, PH20 -10³ kg/m³, comb = 98%, mech = 87%. (i) Determine the bmep, AFR, nv, power loss as friction, th.b. (ii) draw up the heat balance sheet on percentage basis, if the cooling water flow is 15 kg/min; rise in temperature of cooling water is 33 °C; exhaust gas temperature is 485 °C; Cpw is 4.2 kJ/kg.K and Cpesh is 1.25 kJ/kg.K.
O e. A zero tension is developed when no overlap betWeen actin and myosin The constitutive equation for blood shows that the shear stress is related to: O a. Shear strain rate O b. Yield stress O c. Viscosity O d. All of these TOSHIB