The following data refer to a full hydrodynamic journal bearing. Radial load = 30 kN, Journal diameter = 75 mm, Bearing width = 75 mm, Radial clearance = 0.15 mm, Operating speed = 3600 rpm, Inlet temperature = 40 °C, the temperature – viscosity relationship is as follows Temp 40 41 42 43 44 45 46 47 48 (°C) 52.5 50 47.5 45 43 41 39 37.5 36 (cP) Assume that the total heat produced in the bearing is carried by the total oil flow. The specific gravity and specific heat of the lubricant are 0.86 and 1.76 kJ/kg °C respectively. Evaluate (1) minimum oil film thickness (2) power lost in friction (3) lubricant oil flow rate (4) outlet temperature of the lubricant.
The following data refer to a full hydrodynamic journal bearing. Radial load = 30 kN, Journal diameter = 75 mm, Bearing width = 75 mm, Radial clearance = 0.15 mm, Operating speed = 3600 rpm, Inlet temperature = 40 °C, the temperature – viscosity relationship is as follows Temp 40 41 42 43 44 45 46 47 48 (°C) 52.5 50 47.5 45 43 41 39 37.5 36 (cP) Assume that the total heat produced in the bearing is carried by the total oil flow. The specific gravity and specific heat of the lubricant are 0.86 and 1.76 kJ/kg °C respectively. Evaluate (1) minimum oil film thickness (2) power lost in friction (3) lubricant oil flow rate (4) outlet temperature of the lubricant.
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
Related questions
Question
i need the answer quickly
Transcribed Image Text:The following data refer to a full hydrodynamic journal bearing.
Radial load = 30 kN, Journal diameter = 75 mm, Bearing width = 75 mm, Radial
= 0.15 mm, Operating speed = 3600 rpm, Inlet temperature = 40 °C,
clearance
the temperature – viscosity relationship is as follows
Temp 40
41
42
43
44
45
46
47
48
(C)
52.5
50
47.5
45
43
41
39
37.5
36
(cP)
Assume that the total heat produced in the bearing is carried by the total oil flow.
The specific gravity and specific heat of the lubricant are 0.86 and 1.76 kJ/kg °C
respectively. Evaluate (1) minimum oil film thickness (2) power lost in friction
(3) lubricant oil flow rate (4) outlet temperature of the lubricant.
Used the attached table.
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
Step by step
Solved in 3 steps with 3 images
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, mechanical-engineering and related others by exploring similar questions and additional content below.Recommended textbooks for you
Elements Of Electromagnetics
Mechanical Engineering
ISBN:
9780190698614
Author:
Sadiku, Matthew N. O.
Publisher:
Oxford University Press
Mechanics of Materials (10th Edition)
Mechanical Engineering
ISBN:
9780134319650
Author:
Russell C. Hibbeler
Publisher:
PEARSON
Thermodynamics: An Engineering Approach
Mechanical Engineering
ISBN:
9781259822674
Author:
Yunus A. Cengel Dr., Michael A. Boles
Publisher:
McGraw-Hill Education
Elements Of Electromagnetics
Mechanical Engineering
ISBN:
9780190698614
Author:
Sadiku, Matthew N. O.
Publisher:
Oxford University Press
Mechanics of Materials (10th Edition)
Mechanical Engineering
ISBN:
9780134319650
Author:
Russell C. Hibbeler
Publisher:
PEARSON
Thermodynamics: An Engineering Approach
Mechanical Engineering
ISBN:
9781259822674
Author:
Yunus A. Cengel Dr., Michael A. Boles
Publisher:
McGraw-Hill Education
Control Systems Engineering
Mechanical Engineering
ISBN:
9781118170519
Author:
Norman S. Nise
Publisher:
WILEY
Mechanics of Materials (MindTap Course List)
Mechanical Engineering
ISBN:
9781337093347
Author:
Barry J. Goodno, James M. Gere
Publisher:
Cengage Learning
Engineering Mechanics: Statics
Mechanical Engineering
ISBN:
9781118807330
Author:
James L. Meriam, L. G. Kraige, J. N. Bolton
Publisher:
WILEY