omniomni/omni-engineering huggingface dataset:
AMF Chevvron 2-32. The AMF Chevvron is a British two-seat microlight aircraft of the 1980s and 90s. It is a single engined mid-winged monoplane with side-by-side seating. 41 were built.

Design and development
The Chevvron was designed to meet a requirement for an aircraft conforming with the Civil Aviation Authority's regulations for microlight aircraft and fitted with conventional three-axis controls. The Chevvron is a mid-wing monoplane with a pod-and boom configuration and high aspect ratio wings. It is built of composite materials and is fitted with a fixed nosewheel undercarriage. The normal powerplant was a single König SD 570 two-stroke, four-cylinder air-cooled radial engine rated at  and driving a three-bladed propeller.

The first prototype, fitted with a V-tail, made its maiden flight in late 1983. A modified second prototype, with a conventional tail flew in October 1986.

Operational history
AMF Microflight began production of the Chevvron in 1987, with 19 completed at their Membury factory by 1990. A single example was built of the Sea Chevvron, a floatplane version fitted with a more powerful () König engine, while examples were also fitted with a  Limbach engine. In total, 41 Chevvrons were built.  In the 1990s, a single-rotor wankel engine from the MidWest AE series was successfully fitted to a Chevvron.

Specifications

References

1980s British sport aircraft
Mid-wing aircraft
Single-engined tractor aircraft
Aircraft first flown in 1983
Single-engined piston aircraft
Aircraft with fixed tricycle landing gear
University of Illinois Department of Mechanical Science and Engineering. The Department of Mechanical Science and Engineering at the University of Illinois at Urbana-Champaign (MechSE) is one of 12 departments within the University of Illinois College of Engineering.  The MechSE department was formed in 2006 through a merger of the Theoretical and Applied Mechanics Department with the Mechanical Engineering program from the previous Mechanical and Industrial Engineering Department.  The department offers degrees in mechanical engineering (B.S., M.S., Ph.D.), engineering mechanics (B.S.), and theoretical and applied mechanics (M.S., Ph.D.).

As of 2014, U.S. News & World Report ranked the program the sixth-best US school for undergraduate mechanical engineering program and fifth-best graduate mechanical engineering program.

References

External links
 Department of Mechanical Science and Engineering, University of Illinois at Urbana-Champaign

Mechanical engineering schools
University of Illinois Urbana-Champaign
Universities and colleges established in 1867
1867 establishments in Illinois
Topical Group on Compression of Condensed Matter. The Topical Group on Compression of Condensed Matter (GCCM) is a Unit of the American Physical Society (APS). The objective of the GCCM is the advancement and dissemination of knowledge on the physics of materials under high-pressure loading including shock physics, the effect of shock waves on materials, dynamic behavior of materials, and materials in extremes.  Originally formed in 1984 as the Topical Group on the Shock Compression of Condensed Matter, the group has sponsored the Biennial International Conference on Shock Compression of Condensed Matter (SCCM) and awards the George E. Duvall Shock Compression Science Award. The Topical Group changed to its current name in 2023 to reflect a broader community including static high compression experiments.

While specific topics and session names are set for each Biennial SCCM Conference, frequent topics include:
 Detonation and shock induced chemistry
 Energetic and reactive materials
 Equations of State
 Experimental developments
 First-principles and molecular dynamics
 Geophysics and planetary science
 Grain scale to continuum modeling
 High-energy density physics/Warm dense matter
 Inelastic deformations, fracture, and spall
 Materials Strength
 Particulate, porous, and composite materials
 Phase transitions
 Soft matter, polymers, and biomaterials

Recently one-off focused sessions have been organized on topics such as:
 X-ray free electron lasers and materials, Velocimetry diagnostic development, and Turbulence and Mixing
 Deep Carbon Budget, High Energy Density Materials, and Dynamic Response of Materials
 Post Shock Turbulence, Meso and Macro Scales, and Material Strength at High Pressure

The Topical Group publishes a series of Proceeds from the conferences, with the majority of proceedings published by the American Institute of Physics (1981, 1993 to 2011.)  For the 2013 conference the proceeds was published by the Institute of Physics and was Open Access for the first time.

References

External links
APS Topical Group on Compression of Condensed Matter

American Physical Society
Deen Dayal Upadhyaya Gram Jyoti Yojana. Deen Dayal Upadhyaya Gram Jyoti Yojana is a Government of India scheme designed to provide continuous electricity supply to rural India. The government plans to invest  for rural electrification under this scheme. The scheme replaced the existing Rajiv Gandhi Grameen Vidyutikaran Yojana.

The scheme will enable to initiate much awaited reforms in the rural areas. It focuses on feeder separation (rural households & agricultural) and strengthening of sub-transmission & distribution infrastructure including metering at all levels in rural areas. This will help in providing round the clock power to rural households and adequate power to agricultural consumers. The earlier scheme for rural electrification viz. Rajiv Gandhi Grameen Vidyutikaran Yojana has been subsumed in the new scheme as its rural electrification component.

The Ministry of Power has launched a new app, GARV-II app to provide real-time data of all six lakh villages of the country. The app is envisaged to ensure transparency in the implementation of rural electrification programme. The new app will also enable the citizens to participate in the developmental works and can give their feedback and inputs related to the rural electrification programme. The participation of Citizens will enable public scrutiny of the rural electrification programmes. In addition, the village-wise works sanctioned under Deen Dayal Upadhyaya Gram Jyoti Yojana has been mapped to scrutinise the progress of work carried out under the project in each village

The deadline for the Centre's rural electrification programme was May 2018. However, it was achieved before the deadline on April 28, with the electrification of Leisang village in Manipur. Prime Minister of India, Narendra Modi tweeted "Yesterday, we fulfilled a commitment due to which the lives of several Indians will be transformed forever! I am delighted that every single village of India now has access to electricity." Despite this, several news reports claimed that the numbers were inflated, and villages were electrified only on paper.

References

External links
 Prime Minister to Launch Deendayal Upadhyaya Gram Jyoti Yojana in Patna

Government schemes in India
Rural development in India
Modi administration initiatives
Electric power in India
Memorials to Deendayal Upadhyay
Ministry of Power (India)
Composition drift. Composition drift occurs during the process of free radical copolymerization causing variation in the instantaneous mole fraction of a monomer added to copolymer, therefore altering the chemical composition of the copolymer over the period of conversion.

The degree of composition drift is directly affected by the reactivity ratios of each monomer in the copolymer system.  Both the Mayo-Lewis equation and plot of the equation make evident that as monomer conversion increases, the copolymer composition will drift as the preferences for monomers change due to the interaction between reactivity ratios and the instantaneous concentration of each monomer.

Composition drift in some degree will occur unless the reactivity ratios for both monomers are equal to 1. In this case, each monomer prefers reaction with itself and the other monomer equally. This causes equal rates of consumption for copolymer formation and leads to random copolymerization.

Mole fractions 

 the mole fraction of monomer added instantaneously to copolymer that is a monomer 1.

 the instantaneous mole fraction of monomer mix that is monomer 1.

Azeotropic Compositions 

Binary copolymerization resembles distillation of a bicomponent liquid mixture with reactivity ratios corresponding to the ratio of vapor pressures of the pure components in the latter case. Distillation terminology is also borrowed for the case of azeotropic compositions in copolymer systems. Azeotropic points occur where  is equal to .  At these points, composition drift will not occur. The equation for the azeotropic concentration is shown below at the given reactivity ratios for each monomer species:

The azeotropic concentrations are unstable operation points, as any small change in temperature will cause a shift in molar concentration through reactivity ratio effects and cause subsequent composition drift. Azeotropic points occur when the feed monomers have reactivity ratios that are both less than 1 or both greater than 1.

Control or elimination of composition drift 

The goal of engineering for free radical copolymerization is to have  over a broad range of conversion.  For commercial applications, copolymer composition must be consistent across the aggregate.  Batch reactors have no control over composition drift and require the implementation of engineering solutions to limit drift. Some possible reactor engineering solutions include:
 Semibatch reactor or fed-batch reactor: by adding the monomer that is preferentially consumed at the reaction rate,  can be held constant and maintained.
 Continuous stirred tank reactor (CSTR): at steady state the reactor composition () is constant and will not allow for composition drift. It is important to note that these reactors can have the issue of multiple steady states if the reaction within the CSTR is an exothermic process.

See also 
Radical polymerization
Azeotropic distillation

References

Additional sources 
 

Polymers
Orion 1. Orion 1 or Orion-1 may refer to:

 Exploration Flight Test-1, the first test launch of the Orion space capsule in 2014
 Orión (rocket), a sounding rocket prototype from Argentina, launched in 1965 and 1966
 Orion (space telescope), a space telescope flown in 1971 aboard the Salyut 1 space station
 Orion 1, a communications satellite launched in 1994, later renamed Telstar 11
 Mission Orion 1, a cancelled Constellation program

See also
 1 Orionis, a star in the constellation of Orion
Zuhair Fayez Partnership. Zuhair Fayez Partnership (ZFP) (Arabic: شركة زهير فايز ومشاركوه), formerly Zuhair Fayez and Associates (ZFA), is an Architectural, Engineering, Project Management, Construction Management, and Engineering Information System consultancy firm in the Kingdom of Saudi Arabia.

History 
Zuhair Fayez Partnership was established in 1975 as Zuhair Fayez and Associates by Zuhair H. Fayez and started with a small number of professional architects, engineers, planners, and support staff. The growing number of commissions and projects eventually prompted the organization to open an office in London to meet the demand.

Eight departments were initially formed: Design, Architectural Production, Structural Engineering, Civil Engineering, HVAC, Specifications, and Quantity Surveying departments. However, the demand for professional management and supervision of large scale projects led to the creation of the Project Management and Construction Management departments to effectively monitor and control all contractors and subcontractors' work on any construction project.

In 1991, the organization launched its Information Technology division to provide clients with software and hardware. The division handled the software integration of Maintenance Management Systems (MMS), Geographical Information Systems (GIS), and Facilities Management Systems (FMS) into a single graphical user interface (GUI). In the same year, the Engineering Information Systems division was formed and is responsible for on-site implementation and provision of GIS, MMS, and FMS based on the clients' needs and requirements.

ZFP partnered with Avaya in May 2011 to create a virtual computing environment (VCE). The purpose is to enable the organization to provide virtual services in a cloud-based environment that would serve 3000 users in 5 branches and 20 remote sites and maximize the efficiency of its existing IT resources.

In July 2012, SNC-Lavalin acquired ZFP's industrial division in Khobar to form SNC-Lavalin Fayez Engineering, a joint-venture with ZFP, in response to Saudi Aramco's General Engineering Services Plus (GES+) initiative.

In 2014, Zuhair Fayez Partnership was assigned to build a new campus for the American International School of Jeddah to accommodate 1,700 students. The announcement was made at ZFP's main headquarters during the groundbreaking ceremony.

Global offices
Saudi Arabia: Jeddah, Riyadh, Madinah, Makkah, Dammam

Middle East: Cairo

Asia Pacific: Philippines (closed)

Significant projects
1995: King Fahd Islamic Cultural Center, Buenos Aires, Argentina
1998: Royal Saudi Air Force Museum, Riyadh, Saudi Arabia
2003: King Khalid University, Abha, Saudi Arabia
2008: King Abdulaziz International Airport, Jeddah, Saudi Arabia
2008: Queen Alia International Airport, Jordan
2010: Information Technology and Communications Complex, Riyadh, Saudi Arabia
2011: Prince Nayef bin Abdulaziz Regional Airport, Qassim, Saudi Arabia

References

Architecture firms of Saudi Arabia
Engineering consulting firms
Construction and civil engineering companies established in 1975
Design companies established in 1975
Saudi Arabian companies established in 1975
Olawale Adeniji Ige. Olawale Adeniji Ige MFR (13 October 1938 – 9 May 2022) was a Nigerian electrical engineer and former Minister of the Federal Ministry of Communications (1990–1992). He also served as the Minister of the Federal Ministry of Aviation (1993).

Life and career
He was born on 13 October 1938 in Ogbomosho, a city in Oyo State, Nigeria.
He was educated at Baptist Boys High School, Abeokuta, the capital of  Ogun State, Nigeria (1951–1956) where he obtained the  West African School Certificate (WASC).
He proceeded to the Polytechnic, Regent Street, London now University of Westminster where he obtained a Diploma in electrical engineering. He later became a graduate of the Institute of Electrical and Electronics Engineers in 1965.

He returned to Nigeria as a chartered engineer in 1967 to join the services of the Federal Ministry of Communications where he rose to the position of a Director General in 1989. 
He was appointed the honorable Minister  of the Federal Ministry of Communications in 1990, a tenure that ended in 1992 and later reappointed the Minister of the Federal Ministry of Aviation in 1993.
He was the first civilian Chairman of Nigerian Telecommunications Limited, NITEL, and was the Chairman of the Board of Trustees of the Nigerian Internet Group and also on the Board of the Nigerian Communications Commission, NCC.

Awards and fellowship
Member of the Order of the Federal Republic, MFR (1979)
Fellow of the Nigerian Academy of Engineering

See also
List of notable engineers in Nigeria

References

1938 births
2022 deaths
Nigerian engineers
Alumni of the University of Westminster
People from Oyo State
Izet Ibrahimi. Izet Ibrahimi (born 1 January 1962) is an Albanian retired politician from Kosovo, and a former mayor of Drenas. He is currently a lecturer.

Biography 
Izet Ibrahimi was born in Zabel i Ultë in Drenas, Kosovo to Albanian parents. He finished high school in Pristina in 1981, later attending the Faculty of Geoscience and Technology of the University of Pristina, from which he graduated in 1986.

Ibrahimi graduated from the University of Pristina in 1986, he earned a degree in engineering. In 1995 he enrolled in postgraduate studies at FXM. He earned the title Master of Technical Sciences. Ibrahimi submitted a doctoral thesis in 2008 titled "Opportunities to bramces exploitation of Ferronickel for producing construction materials", defending it at the Faculty of Geoscience and Technology of University of Pristina and received the academic title of Doctor of Technical Sciences.

Ibrahimi has served as the chairman of the Independent Union of "Ferronikel", chairman of the Municipal Council for Finance, and political chairman of the KLA in the "Operative Zone" of Drenas.

Following the adoption of UNSCR 1244, he co-founded the Democratic Party of Kosovo (PDK) in Drenas. He was a member of the General Board for three terms. In the first democratic elections after the Kosovo War, he ran for Mayor of Drenas, winning with an approval rate of over 90%.

After leaving the PDK, Ibrahimi founded the "Citizens Initiative for Glogovac", a political movement that opposed the misrule in Drenas. Following his retirement from politics, he is now a lecturer at the UM at the Faculty of Geoscience and Metallurgy.

Ibrahimi is married to Hanumshahe Zogaj, a geoscience engineer, with whom he has three children: Qëndrim, Hekuran and Erëza.

References

1962 births
Living people
Kosovo Albanians
People from Drenas
Albanian politicians
Academic staff of the University of Mitrovica
Abubakar Sani Sambo. Abubakar Sani Sambo  (Born 31 July 1955) is a Nigerian Mechanical engineer, former Director-General of the Energy Commission of Nigeria (ECN),  Chair of the Nigerian Member Committee of the World Energy Council (WEC), Africa Region and former Vice-Chancellor of Abubakar Tafawa Balewa University, Nigeria.

Early life and education
He was born on 31 July 1955 in Zaria, Kaduna State, Nigeria.
He obtained a Bachelor of Science (B.sc) degree in mechanical engineering from the prestigious Ahmadu Bello University, Zaria in 1979 with a first class honour.
In 1983, he obtained a doctorate degree, Ph.D. in mechanical engineering from the University of Sussex, United Kingdom.
After he received his Ph.D, he returned to Nigeria to join the services of Bayero University, Kano where he rose to the position of a senior lecturer in 1989 and was appointed a professor in energy studies at the same University.
He was appointed as the vice-chancellor of Abubakar Tafawa Balewa University in 1995 and served in this capacity for two terms (1995-2004).
He is the incumbent director-general and chief executive of the Energy Commission of Nigeria (ECN) and vice chairman of the World Energy Council (WEC), Africa Region, since November 2007.

Awards 
 Officer of the Order of the Niger, OON

Fellowships and membership
Fellow of the Nigerian Academy of Engineering
 Fellow of the Nigerian Society of Engineers
Member of the Council for the Regulation of Engineering in Nigeria (COREN)
International Solar Energy Society (ISES) (1986)
International Energy Foundation (IEF)(1990)
Member of the World Renewable Energy Network (WREN) (1992).
Member of the Solar Energy Society of Nigeria
Member of the Nigerian Academy of Science

See also
List of notable engineers in Nigeria
List of vice chancellors in Nigeria

References

Nigerian engineers
Living people
1938 births
Abubakar Tafawa Balewa University people
Ahmadu Bello University alumni
Academic staff of Bayero University Kano
Danladi Slim Matawal. Danladi Slim Matawal (born 30 October 1955) is a Nigerian distinguished Professor of (Civil engineering); a former Director-General & CEO, Nigerian Building & Road Research Institute (NBRRI), an agency of the Federal Ministry of Science and Technology. He is currently back to Abubakar Tafawa Balewa University, Bauchi - Nigeria.

Life and career
He was born on 30 October 1955 in, Plateau State, Nigeria.
He attended elementary school at Nigeria Army Primary School, Plateau State. He attended Government College, Keffi, Nasarawa State  where he obtained the West African School Certificate (WASC) in 1968.
He later attended Ahmadu Bello University, Zaria where he obtained a Bachelor of engineering (B.eng) degree in Civil engineering with a First Class Honour (1974-1978).
In 1980, he obtained a Commonwealth scholarship to study at the Imperial College, University of London, where he obtained a Master of Science (M.Sc.)  in Civil Engineering (1981) and Doctorate degree, Ph.D. in civil engineering from the University of Lagos (1992).
He joined the services of Plateau State Polytechnic as a director of works in 1983 but left the Plateau State Polytechnic in 1987 to join the services of Abubakar Tafawa Balewa University Bauchi as a Lecturer II in the Department of Civil Engineering where he was later appointed a professor in 1999.

Official duties
He had served in several capacities in Nigeria. In 2000, he was appointed as Director of Centre for Distance Learning Abubakar Tafawa Balewa University for four years, a tenure that ended in 2004. After he left that position, he was immediately appointed as Dean of Engineering and Engineering Technology at the same university, a position he held for four years (2004-2008). After that position, he was appointed as Dean of Postgraduate School at the same institution, a position he held for three years (2008-2011). In 2011, he was appointed as Director-General and chief executive officer of the Nigerian Building and Road Research Institute (NBRRI), an agency under Federal Ministry of Science and Technology.

Awards and fellowships
Raw Material Research and Development Agency Award (2006).
Fellow of the Nigerian Academy of Engineering. 
Member of the Council for the Regulation of Engineering in Nigeria (COREN)
Member of the Nigerian Institute of Management Science
Member of the Solar Energy Society of Nigeria
Fellow of the Nigerian Society of Engineers.

See also
List of notable engineers in Nigeria
List of awards and fellowships for Prof Danladi Slim Matawal- https://www.theabusites.com/prof-danladi-slim-matawal-dg-nbrri/

References

Nigerian engineers
Living people
1955 births
People from Plateau State
Ahmadu Bello University alumni
Alumni of the University of London
University of Lagos alumni
Academic staff of Abubakar Tafawa Balewa University
Tantalum–tungsten alloys. Tantalum–tungsten alloys are in the refractory metals group that maintain useful physical and chemical properties even at high temperatures. The tantalum–tungsten alloys are characterized by their high melting point and the tension resistance. The properties of the final alloy are a combination of properties from the two elements: tungsten,  the element with the highest melting point in the periodic table, and tantalum which has high corrosion resistance.

The tantalum–tungsten alloys typically vary in their percentage of tungsten.  Some common variants are:
 (Ta – 2.5% W) → also called 'tantaloy 63 metal.' The percentage of tungsten is about 2 to 3% and includes 0.5% of niobium.   This alloy has a good resistance to corrosion and performs well at high temperatures. An example application is piping in chemical industries.
 (Ta - 7.5% W) → also called 'tantaloy 61 metal,' has between 7 and 8% tungsten. The difference from this alloy to the others is that this alloy represents a high resilience modulus while maintaining its refractory properties.
 (Ta - 10% W) → also called 'tantaloy 60 metal,' contains 9 to 11% tungsten. This alloy is less ductile than the other alloys and exhibits less plasticity. Applications include high-temperature, high-corrosion environments such as aerospace components, furnaces, and piping in nuclear plants.

Mechanical properties 

The alloys of tantalum–tungsten have high corrosion resistance, and refractory properties. The crystalline structure of the material is body-centered cubic with a substitutional solid solution with atoms of tungsten. The alloy also has a high melting point and can reach high elastic modulus and high tensile strength.

Phase diagram 

The equilibrium phase diagram of the alloy formed between the two components tantalum and tungsten is a binary diagram, where the two components are totally soluble on each other. In this diagram the melting temperature of the two elements are shown. It can be seen that there are two lines, representing the solidus and liquidus.

References 

Metallurgy
Alloys, Tantalum
Alloys, Tungsten
Refractory metals