Unless otherwise stated, take R = 287 J/kg K for air (model as a perfect gas at standardatmospheric pressure and temperature), p = 1000 kg/m³ for water, p = 13530 kg/m³ forMercury and g = 9.81 m/s².%3DExpress answers as gauge pressures unless otherwise stated.1. Air flows along a pipe with velocity 30 m/s, and a water manometer attached to apressure tap in the pipe wall shows a differential head of 150 mm above atmosphericpressure. Calculate:a. The static pressure on the pipe wallb. The dynamic pressureC.The stagnation pressure

Name: Unless otherwise stated, take R = 287 J/kg K for air (model as a perf
Uploaded: 2024-03-20T06:56:55.000Z
Channel: Bartleby
Description: Unless otherwise stated, take R = 287 J/kg K for air (model as a perfect gas at standardatmospheric pressure and temperature), p = 1000 kg/m³ for water, p = 13530 kg/m³ forMercury and g = 9.81 m/s².%3DExpress answers as gauge pressures unless otherw

Answered: Image /qna-images/answer/1c39ecd5-1339-4c7a-a5a6-e3c3ba327bd7.jpg

Answered: a. The static pressure on the pipe wall…

Engineering

Mechanical Engineering

a. The static pressure on the pipe wall b. The dynamic pressure c. The stagnation pressure

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

See similar textbooks

Similar questions

Air enters a constant-area duct at p1 = 90 kPa, V1 =520 m/s, and T1 = 5588C. It is then cooled with negligiblefriction until it exits at p2 = 160 kPa. Estimate (a) V2,(b) T2, and (c) the total amount of cooling in kJ/kg.
At one point in a streamline of isentropic airflow, the velocity, pressure, and unit weight are 80 m/s, 405 kPa,and 0.046 kN/m^3 respectively. The velocity of flow at a second point in the streamline is 165 m/s. Determine the pressure at the second point.
A 5-m-diameter balloon contains helium at 125 kPaabsolute and 15 ° C, moored in sea-level standard air. If thegas constant of helium is 2077 m 2 /(s 2 · K) and balloonmaterial weight is neglected, what is the net lifting force ofthe balloon?( a ) 67 N, ( b ) 134 N, ( c ) 522 N, ( d ) 653 N, ( e ) 787 N
Air is kept in a tank at pressure Po = 689 KPa abs and temperature To = 17°C. If one allows the air to issue out in a one-dimensional isentropic flow, the greatest possible flow per unit area is Blank 1 kg/m2-s. For air, Use R = 287 J/kg-K and Mol. Wt. = 29.1 *Express your answers in whole significant figure without decimal value and without unit*
What is the power of a steam jet 15mm in diameter moving at 750 m/s? Steam condition, 1.4 kg/cm2, dry and saturated (v = 1.256m3/kg).a) 29.67 kW c) 19.67 kWb) 39.67 kW d) 49.67 kW
Downstream of a normal shock wave, in airflow, the conditionsare T2 = 603 K, V2= 222 m/s, and p2 = 900 kPa.Estimate the following conditions just upstream of theshock: (a) Ma1; (b) T1; (c) p1; (d ) po1; and (e) To1.
A hole is placed in the front of a cylinder to measure thestream velocity of sea-level fresh water. The measuredpressure at the hole is 2840 lbf/ft2. If the hole is misalignedby 12° from the stream and misinterpreted as stagnationpressure, what is the error in velocity?
In Fig. water exits from a nozzle into atmosphericpressure of 101 kPa. If the manometer fl uid has a specifi cgravity of 1.6 and h = 66 cm, with friction neglected, whatis the average velocity at section 2?( a ) 4.55 m/s, ( b ) 2.4 m/s, ( c ) 2.95 m/s, ( d ) 5.55 m/s, ( e ) 3.4 m/s
Consider steam at 500 K and 200 kPa. Estimate its speed ofsound by two different methods: (a) assuming an ideal gasfrom Table B.4, or (b) using finite differences for isentropicdensities between 210 kPa and 190 kPa.
impact of a jet Draw the relationship of the Fact against the jet velocity Vj
Assuming the clearance is negligible for a single stage compressor with the followingdata.Atmospheric pressure: 90 kPaAtmospheric temperature: 17 ˚CDelivery pressure: 7 barFree air delivery flow rate: 0.2 m3/minTake “n” as 1.3, cp = 1.005 kJ/kg K, cv = 0.718 kJ/kg K 1. What is the power input to the compressor if compression is isentropic in kW to 3 decimal places? 2. What is the power input to the compressor in kW to 3 decimal places if the compression reversible isothermal?
Air enters a fan through a duct at a velocity of 6.5 m/s and an inlet staticpressure of 2.5 cm H2O less than atmospheric pressure. The air leaves the fan through aduct at a velocity of 11.5 m/s and a discharge static pressure of 7.62 cm H2O above theatmospheric pressure. If the specific weight of air is 1.20 kg/m3 and the fan delivers 9.45m3/s, determine the fan theoretical power and the fan efficiency when the power input tothe fan is 13.75 kW at the coupling?