CR4 - The Engineer's Place for News and Discussion®

Mechanical Engineering
See all Forum Threads

Section Forums

Mechanical Engineering

15844 threads, 117575 comments (20 Viewing)
 

Water Softener

11/20/2014 by farhan.yaseen
Hi, we have 8 bar steam boiler . I want to know that is water softener is good for 8 bar steam boiler ?
Views: 56, Comments: 4
Last comment 11/21/2014 by Whitephone
 

Fire Fighting Pipe Material

11/20/2014 by Mac123456789
There is a 4" fire fighting pipe (in a refinery) which surrounds vessels (heat exchanger,chiller) like a header in which sprinkler/nozzle of 1/2" is...
Views: 95, Comments: 7
Last comment 11/21/2014 by old salt
 

Power Plant Question

11/20/2014 by Anonymous Poster
WHAT IS THE FUNCTION OF RE - CIRCULATION VALVE OF BOILER FEED PUMP
Views: 93, Comments: 6
Last comment 11/21/2014 by James Stewart
 

Mass Moment of Inertia of a Semi-circle Disk With Mass of M and Radius R

11/20/2014 by yashar2500
What is the mass moment of inertia (Ix, Iy, and Iz) of a thin semi-circle disk with mass of M and radius R about its center of mass? Thanks
Pathfinder Tags: dynamic mass moment of inertia
Views: 250, Comments: 31
Last comment 11/21/2014 by James Stewart
 

Helical Gearing

11/20/2014 by muhammad zahid
can anybody tell me how to cut helical gear with out using lead gear .I m using formula given in book of my hobbing (Sykes)
Views: 55, Comments: 2
Last comment 11/21/2014 by muhammad zahid
Go to this Forum

  
Advertisement
See all Blog Entries

Section Blogs

Pneumatics Blog

96 blog entries, 631 comments (0 Viewing)

Pneumatics Help SpaceX Pursue "Out-of-This-World" Goals

11/15/2014 by IHS GlobalSpec eNewsletter
Despite recent catastrophes, the call for space exploration will continue. California-based SpaceX, a space transport services company, is pursuin...
Views: 143, Comments: 1
Last comment 11/17/2014 by rashavarek

Fluid Power to the Rescue

10/15/2014 by IHS GlobalSpec eNewsletter
Researchers are using both pneumatic and hydraulic power in efforts to help patients suffering from crippling injuries. In this article, Hydraulics...
Views: 184, Comments: 0

Energy Storage Solution in the Bag?

09/13/2014 by IHS GlobalSpec eNewsletter
Can air and water combine to meet the challenge of storing energy from renewable sources? A Canadian start-up company called Hydrostor thinks so....
Views: 464, Comments: 12
Last comment 10/16/2014 by adreasler
Go to this Blog

Workbench Creations

152 blog entries, 1947 comments (2 Viewing)

Del's DIY Bow Making Thicknesser

10/25/2014 by Del the cat
I'm not into laminated and backed bows in a big way, but decent Yew is scarce so its good to make the best use of the available wood. That means using...
Views: 387, Comments: 19
Last comment 10/30/2014 by bluebelly

To an Engineer Anything Can Be Building Materials

01/06/2014 by frankd20
A fun few-hour project done on a whim, I will let the pictures speak for themselves.
Pathfinder Tags: igloo snow building
Views: 1267, Comments: 6
Last comment 01/07/2014 by artsmith
Go to this Blog

Valve Technology Blog

71 blog entries, 560 comments (0 Viewing)

Methane Leaks to be Targeted as Climate Concern

11/04/2014 by IHS GlobalSpec eNewsletter
The Obama administration's climate plan may target the methane leaks from valves, pipes, and other components used to produce natural gas. Methane...
Views: 274, Comments: 38
Last comment 11/09/2014 by kramarat

Water Upgrades are a Boom to Economy

11/02/2014 by IHS GlobalSpec eNewsletter
Water infrastructure upgrades mean more than just safe and efficient collection, treatment, and distribution of water and waste: the upgrades are...
Views: 174, Comments: 4
Last comment 11/05/2014 by kramarat

Lead-free Law Confusion Clarified

10/19/2014 by IHS GlobalSpec eNewsletter
Regulations governing the lead content of valves and other components of potable water systems went into effect in January, but confusion remains. Acc...
Views: 236, Comments: 1
Last comment 10/21/2014 by phoenix911
Go to this Blog

Pump Technology Blog

76 blog entries, 541 comments (0 Viewing)

Motors Matter: Understand the Differences Between Immersible and Submersible

10/02/2014 by IHS GlobalSpec eNewsletter
Pumps & Systems presents this educational essay explaining the key design characteristics and application criteria pumping system designers an...
Views: 309, Comments: 0

Treating a Treater's Chemical Dependency

02/18/2014 by IHS GlobalSpec eNewsletter
When a Washington state wastewater treatment plant replaced traditional tube-element peristaltic pumps with a new metering pump, its chemical costs d...
Views: 545, Comments: 2
Last comment 02/18/2014 by SavvyExacta
Go to this Blog

Drives Blog

68 blog entries, 883 comments (0 Viewing)

Mobile Strategy for Process Monitoring and Control

09/21/2014 by IHS GlobalSpec eNewsletter
Tablet computers, smartphones and other mobile wireless devices are infiltrating industry, for numerous reasons - portability, immediate data coll...
Views: 257, Comments: 1
Last comment 10/03/2014 by jdsighter

What's Driving Designers to Digital Simulation?

04/18/2014 by IHS GlobalSpec eNewsletter
The use of virtual design tools - motion-design software and related products - by mechanical, electrical, and control engineers receives the spo...
Views: 501, Comments: 4
Last comment 04/21/2014 by Brave Sir Robin

Networking to Sustain Capacity in the Process Industries

04/03/2014 by IHS GlobalSpec eNewsletter
A new white paper from the Open DeviceNet Vendors Association (ODVA) presents its vision for open process integration in the processing industry,...
Views: 357, Comments: 0
Go to this Blog

Hydraulics Blog

61 blog entries, 461 comments (0 Viewing)

Hydraulics Powers One-off Chinese Swing Bridge

08/31/2014 by IHS GlobalSpec eNewsletter
When Chinese engineers built a highway overpass, they could not disrupt the high-speed rail line the roadway would straddle. Instead they built th...
Views: 519, Comments: 3
Last comment 11/20/2014 by TongueAang

3 Ways to Increase the Life Span of Your Hydraulic Equipment

01/11/2014 by CR4 Guest Author
Like it or not, hydraulic systems are part of modern-day life. You probably rely on hydraulics for your power brakes and power steering. Hydraulic sys...
Views: 760, Comments: 3
Last comment 02/24/2014 by Allen123
Go to this Blog

Motors Blog

70 blog entries, 1267 comments (0 Viewing)

Amorphous Iron: The Right Stuff for Motors?

06/17/2014 by IHS GlobalSpec eNewsletter
Engineers should know a couple of things about amorphous iron: it's not hard to come by and there are good reasons for using it in motors, according t...
Views: 616, Comments: 0

Motor Quartet Makes Sand Art

02/09/2014 by IHS GlobalSpec eNewsletter
This video shows how four stepper motors work together to produce eye-catching sand art. The accompanying article describes the drawing machine that u...
Views: 549, Comments: 1
Last comment 02/10/2014 by geraldpaxton

The Evolution of Tugboats

02/08/2014 by CR4 Guest Author
Tugboats have a rugged, old world charm that attracts a brand of enthusiasm few other boats can. They are one of the sea's most hardworking, yet humbl...
Views: 831, Comments: 3
Last comment 07/07/2014 by lyn
Go to this Blog

Motion Control Components

100 blog entries, 931 comments (0 Viewing)

A New Approach for Controlling Condition Monitoring

06/02/2014 by IHS GlobalSpec eNewsletter
The prevalence of around-the-clock condition monitoring is skyrocketing as sensing technologies become smarter, easier to implement, and more affo...
Views: 502, Comments: 0

The Swift Switch to Single-cable Servo

02/28/2014 by IHS GlobalSpec eNewsletter
The dualistic world of analog and digital feedback is fading fast. Digital signals are beginning to take precedence for communication between servo dr...
Views: 519, Comments: 1
Last comment 02/28/2014 by BIN95
Go to this Blog

Other Blog Entries of Interest

GEA Co-Sponsors Technical Conference

03/27/2013 posted in GEA's Global HVAC Technology Blog
by larhere
We are pleased to be one of the sponsors of the 2013 ASHRAE Region VI Technical Conference being held May 1 and 2 in our hometown of La Crosse, WI. T...
Pathfinder Tags: GEA hvac industry HVAC technologies
Views: 157, Comments: 0

World's Tallest Building (A Prefab) - Update From China

03/20/2013 posted in GEA's Global HVAC Technology Blog
by larhere
We have been following this ambitious undertaking of building the world's tallest building, the 220 floor "Sky City", in an incredibly short three mo...
Pathfinder Tags: buildings china hvac fabricated buildings Prefab Buildings
Views: 865, Comments: 10
Last comment 07/22/2014 by RandallAvery

Supply Chain Insights - an Industry Veteran's View

03/13/2013 posted in GEA's Global HVAC Technology Blog
by larhere
In my thirty plus years in Strategic Supply Chain I have come to appreciate the constant evolution in our business. I'd like to share with you today...
Pathfinder Tags: global sourcing HVAC
Views: 233, Comments: 1
Last comment 03/14/2013 by JNB

Customer Centric Concepts – Unlocking the Secrets

03/06/2013 posted in GEA's Global HVAC Technology Blog
by larhere
The term Customer Centric Concepts came from our 25 years of experience developing and maintaining account relationships with Trane's National Account...
Pathfinder Tags: Customer Centric Concepts Customer Satisfaction HVAC Partners
Views: 227, Comments: 11
Last comment 03/12/2013 by Yusef1

HVAC Materials – An Evolution

02/27/2013 posted in GEA's Global HVAC Technology Blog
by psikorsky
This week GEA's PJ Sikorsky answers questions about materials used in HVAC products over the years. 1. What has been the biggest change in materials...
Pathfinder Tags: Corrosion HVAC Metallurgist materials materials selection New Refrigerants
Views: 385, Comments: 1
Last comment 08/26/2013 by 129CBRider

Ozone Layer Healing, But...

02/15/2013 posted in GEA's Global HVAC Technology Blog
by larhere
According to the ozone sensors on Europe's MetOp weather satellite, the hole over Antarctica in 2012 was the smallest in the last 10 years. Since...
Pathfinder Tags: Antartic hole global warming ozone layer
Views: 456, Comments: 24
Last comment 12/12/2013 by truth is not a compromise

Advertisement