Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask Mechanical Engineering Expert

problem1) Velocity profile for laminar flow in round pipe is given by the equation u(r)=umax[1−(r/R)2] where Umax is the centerline velocity, R is the pipe radius and r is the radial distance from the pipe centerline.

1298_Laminar flow.jpg


a) Determine the velocity gradient at the pipe wall? Note that normal distance from the pipe wall is y=R-r, thus dy=-dr and du/dy=-du/dr.

b) what is the shear stress at pipe centerline?

c) Demonstrate that the velocity gradient, and as the shear stress varies linearly from zero at the pipe centerline to a maximum at the pipe wall.

problem2) Determine the equal annual payment series that will be equivalent to the following increasing series of payments if the interest rate is 12%

(a) compounded annually;

(b) compounded continuously.

$600 at the end of the first year
$800 at the end of the second year
$1,000 at the end of the third year
$1,200 at the end of the fourth year
$1,400 at the end of the fifth year
$1,600 at the end of the sixth year
$1,800 at the end of the seventh year

Mechanical Engineering, Engineering

  • Category:- Mechanical Engineering
  • Reference No.:- M93984

Have any Question? 


Related Questions in Mechanical Engineering

1 determine the capillary rise for a water-air-glass

1. Determine the capillary rise for a water-air-glass interface at 40°C in a clean glass tube having a radius of 1 mm. 2. Determine the difference in pressure between the inside and outside of a soap film bubble at 20 °C ...

A steel frame is fabricated with the cross section shown

A steel frame is fabricated with the cross section shown. The centered hole allows cables to be run up to equipment above. The frame supports a load P at a distance d from the centroid of the vertical beam. Bending of th ...

Assignmentin mse 2010 we talk about several general classes

Assignment In MSE 2010 we talk about several general classes of materials: metals, polymers, ceramics, glasses and composites. We know that these are just the basic categories and we've discussed several specific example ...

At the transition temperature of 954degc the enthalpy of

At the transition temperature of 95.4°C, the enthalpy of transition from rhombic to monoclinic sulfur is 0.38 kJ mol -1 . a. Calculate the entropy of transition under these conditions. b. At its melting point, 119°C, the ...

The vibrational constant for the non-degenerate inversion

The vibrational constant for the (non-degenerate) inversion or "umbrella" motion of NH3 is 950cm-1 . Calculate the percentage of NH3 molecules in a sample at 373 K that will be in the v = 1 state of the inversion mode.

A distribution function such as the maxwell-boltzmann

A distribution function such as the Maxwell-Boltzmann distribution can be described in terms of moments, where the nth moment of a distribution P(x) is written (he moment does not have to be evaluated relative to the mea ...

There are 3 x 103 spheres in a box calculate the number of

There are 3 x 10 3 spheres in a box. Calculate the number of different combinations for the spheres in order to have 1100 spheres in the front third of the box. Assuming that the distribution is normal, calculate the pro ...

Mathematical modelling and analysis assignment - framework

Mathematical Modelling and Analysis Assignment - Framework Design A framework of pin jointed members has to be designed to support an emergency sluice gate in a tidal barrage wall. The gate is 1.0m high, 1.0m wide and it ...

Hot air rises but what happens to it as it rises through

Hot air rises, but what happens to it as it rises through our atmosphere? Given the number density function Eq. 14.33 and the temperature curve plotted in Fig. 14.3 to the surrounding atmosphere, calculate the Final temp ...

Earth is losing its supply of helium by escape from the

Earth is losing its supply of helium by escape from the atmosphere, because helium has a high median speed and (unlike hydrogen, which has even less mass) it does not chemically react to form heavier molecules as it difu ...

  • 4,153,160 Questions Asked
  • 13,132 Experts
  • 2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

WalMart Identification of theory and critical discussion

Drawing on the prescribed text and/or relevant academic literature, produce a paper which discusses the nature of group

Section onea in an atwood machine suppose two objects of

SECTION ONE (a) In an Atwood Machine, suppose two objects of unequal mass are hung vertically over a frictionless

Part 1you work in hr for a company that operates a factory

Part 1: You work in HR for a company that operates a factory manufacturing fiberglass. There are several hundred empl

Details on advanced accounting paperthis paper is intended

DETAILS ON ADVANCED ACCOUNTING PAPER This paper is intended for students to apply the theoretical knowledge around ac

Create a provider database and related reports and queries

Create a provider database and related reports and queries to capture contact information for potential PC component pro