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A fault-tolerant control system identifies and compensates for failed
control system elements and allows repair while continuing an assigned task
without process interruption.
Saturday, March 8, 2014
Effects of Surge:
1.Unstable flow and pressure resulting
in process
upset
2. Damage in sequence with severity to seals,bearings,impellers,
shaft
3. Increased seal clearances and leakage
4. Lower energy efficiency
5. Reduced compressor life
What is surge?
Every Axial and
Centrifugal Compressor experiences a damaging phenomenon known as Surge
when the flow through the compressor drops below a certain level
It results in Self oscillations of pressure and flow, often
including a flow reversal
what is feedback and feed forward control?
Feedback:
Control action after an error exists.
Feed forward:
Reacting to the disturbance before the error occurs.
Control action after an error exists.
Feed forward:
Reacting to the disturbance before the error occurs.
Mechanical/ Instrumentation Technicians wanted for Saudi Arabia
Aljabar Talke Group
A Multinational Co. Specialized in Chemical Logistics
Operations Requires Below Manpower in Jubail.
Operations Requires Below Manpower in Jubail.
Technicians - Mechanical/ Instrumentation
Qualification: Diploma in Mechanical/ Instrumentation
Experience: Minimum 3 years experience knowledge of Safety & MS Office application.
Location: Saudi Arabia
Client Interview in Delhi on 12th & 13th March 2014
Nasser Overseas Consultants
502/B, Savoy Chambers, 5th Floor,
Linking Road, Near Juhu Garden,
Opp. Masjid, Santacruz (W), Mumbai - 54
Ph.: 022 - 6195 7500, 09819018298, 09833832163
Intimation No. 40021400
Lic. No: B-0137/MUM/PER/1000+/3/263/84
Wednesday, March 5, 2014
FLUOR MIDDLE EAST JOBS
FLUOR MIDDLE EAST JOBS
Instrumentation & Controls Commissioning Engineer- KSA click here for apply online
Commissioning Engineer/Specialist I - KSA click here for apply online
Designer, Instrumentation - KSA click here for apply online
Control Systems Engineer - KSA click here for apply online
Control Systems Engineer - Loop Check - KSA click here for apply online
Control Systems Engineer - Loop Check - KSA click here for apply online
Shell Recruitment - Instrument technician for Basra Iraq
Shell Recruitment - Instrument technician for Basra Iraq
click here for apply online
Shell Iraq Pretroleum Development Company (SIPD) is committed to supporting the development of the Iraqi oil and gas industry. In 2013, Shell will invest more than US$1 billion in developing an oil field in Iraq. At Shell, your ideas will travel. This is reflected in Shell’s industry-leading career development programme that sees its employees thrive and take advantage of Shell’s unrivalled local and global experts. Shell Companies in Iraq provide a technically challenging work environment characterised by operational excellence and new ways of working. Our work environment and culture rewards innovation, collaboration and long-term commitment.
click here for apply online
Shell Iraq Pretroleum Development Company (SIPD) is committed to supporting the development of the Iraqi oil and gas industry. In 2013, Shell will invest more than US$1 billion in developing an oil field in Iraq. At Shell, your ideas will travel. This is reflected in Shell’s industry-leading career development programme that sees its employees thrive and take advantage of Shell’s unrivalled local and global experts. Shell Companies in Iraq provide a technically challenging work environment characterised by operational excellence and new ways of working. Our work environment and culture rewards innovation, collaboration and long-term commitment.
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