Recommended expert
Sergej Gusew
Independent Scientist
Experience
Aug 2024 - Present
1 year 8 monthsIndependent Scientist
Ingenieur-Lehrer Company
- (2025) Conjugate heat transfer in a horizontal tube
- (2025) Unsteady heat conduction for a pavement model
- (2025) Recalculation of a heat exchanger
- (2025) Thermodynamic calculations for moist air
- (2025) Cooling system design for an anaerobic digester
- (2024) Shell-and-tube heat exchanger calculator
- (2024) Studies on heat transfer to supercritical water in a rod bundle
- (2024) Cooling of liquid in a bath
Oct 2007 - Jul 2024
16 years 10 monthsGermany
Research and Development Engineer
Funke Wärmeaustauscher Apparatebau GmbH
- Developed MATLAB programs for thermal and hydraulic calculations of plate heat exchangers
- Designed experimental data processing software with a focus on physical properties
- Performed linear and nonlinear regression analysis
- Implemented spline interpolation and solved ordinary differential equations with boundary conditions
Jun 2006 - Sep 2007
1 year 4 monthsEggenstein-Leopoldshafen, Germany
Process Engineer
Lauterbach Verfahrenstechnik
- Developed Visual Basic programs for thermal and hydraulic calculations of tubular heat exchangers
- Investigated heat and mass transfer in humid airflow channels
Sep 1986 - Sep 2004
18 years 1 monthRussian Federation
Professor
Kaluga State University
- Taught mechanics, thermodynamics, statistical physics, experimental physics and numerical methods
- Researched heat transfer and hydrodynamics in free and mixed convection
- Developed teaching methods for physics and interdisciplinary courses with biology
Industries Experience
See where this freelancer has spent most of their professional time. Longer bars indicate deeper hands-on experience, while shorter ones reflect targeted or project-based work.
Experienced in Education (18 years), Manufacturing (17 years), Energy (1.5 years), and Chemical (1.5 years).
Education
Manufacturing
Energy
Chemical
Business Areas Experience
The graph below provides a cumulative view of the freelancer's experience across multiple business areas, calculated from completed and active engagements. It highlights the areas where the freelancer has most frequently contributed to planning, execution, and delivery of business outcomes.
Experienced in Research and Development (36.5 years) and Product Development (20 years).
Research and Development
Product Development
Languages
German
NativeRussian
NativeEnglish
AdvancedEducation
Oct 2000 - Jun 2000
Institute of Atomic Machines, Russian Academy of Sciences
Doctor of Technical Sciences · Moscow, Russian Federation
Certifications & licenses
Microsoft Certified Professional
Profile
Created
Last Update
Need a freelancer? Find your match in seconds.
Try FRATCH GPT More actions
Frequently asked questions
Do you have questions? Here you can find further information.
Where is Sergej based?
Sergej is based in Hanover, Germany and prefers 100% remote projects.
What languages does Sergej speak?
Sergej speaks the following languages: German (Native), Russian (Native), English (Advanced).
How many years of experience does Sergej have?
Sergej has at least 38 years of experience. During this time, Sergej has worked in at least 4 different roles and for 4 different companies. The average length of individual experience is 9 years and 5 months. Note that Sergej may not have shared all experience and actually has more experience.
What roles would Sergej be best suited for?
Based on recent experience, Sergej would be well-suited for roles such as: Independent Scientist, Research and Development Engineer, Process Engineer.
What is Sergej's latest experience?
Sergej's most recent position is Independent Scientist at Ingenieur-Lehrer Company.
What companies has Sergej worked for in recent years?
In recent years, Sergej has worked for Ingenieur-Lehrer Company and Funke Wärmeaustauscher Apparatebau GmbH.
Which industries is Sergej most experienced in?
Sergej is most experienced in industries like Education, Manufacturing, and Energy. Sergej also has some experience in Chemical.
Which business areas is Sergej most experienced in?
Sergej is most experienced in business areas like Research and Development (R&D) and Product Development.
Which industries has Sergej worked in recently?
Sergej has recently worked in industries like Manufacturing and Energy.
Which business areas has Sergej worked in recently?
Sergej has recently worked in business areas like Product Development and Research and Development (R&D).
What is Sergej's education?
Sergej holds a Doctorate from Institute of Atomic Machines, Russian Academy of Sciences.
Does Sergej have any certificates?
Sergej has 1 certificate: Microsoft Certified Professional.
What is the availability of Sergej?
Sergej is immediately available part-time for suitable projects.
What is the rate of Sergej?
Sergej's rate depends on the specific project requirements. Please use the Meet button on the profile to schedule a meeting and discuss the details.
How to hire Sergej?
To hire Sergej, click the Meet button on the profile to request a meeting and discuss your project needs.
Average rates for similar positions
Rates are based on recent contracts and do not include FRATCH margin.
1200
900
600
300
Market avg: 860-1020 €
Market avg: 860-1020 €
The rates shown represent the typical market range for freelancers in this position based on recent contracts on our platform.
Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
Similar Freelancers
Discover other experts with similar qualifications and experience
Nikola Vranjic
View profile
Johannes Fruntzek
View profile
Vadim Hecht
View profile
Uwe Driehaus
View profile
Peter Kortmann
View profile
Konrad Müller
View profile
Van quan Hoang
View profile
Rik Heijden
View profile
Sebastian Hofmann
View profile
Deniz Hakyemez cetiner
View profile
Ricardo Calvache
View profile
Rafal Noga
View profile
Experts recently working on similar projects
Freelancers with hands-on experience in comparable project as a Independent Scientist
Nikola Vranjic
Director/Co-founder
View Profile
Peter Kortmann
Hardware and Software Developer / Project Manager
View Profile
Ali can Ispir
Postdoctoral Researcher
View Profile
Konrad Müller
Managing Director/Entrepreneur
View Profile
Johannes Fruntzek
Material Handling Project Management
View Profile
Vadim Hecht
Planning Engineer
View Profile
Uwe Driehaus
Senior Consultant, Development Engineer and Design Engineer
View Profile
Van quan Hoang
Research and Development Manager
View Profile
Rik Heijden
Project Engineer Team Equipment Engineering
View Profile
Jiril Jacob
Development of Self flowing rice husk ash based castables
View Profile
Sebastian Hofmann
Lead Engineer for nautical applications
View Profile
Reuf Kadic
Self-employed Mechanical Development Engineer
View Profile
Nearby freelancers
Professionals working in or nearby Hanover, Germany
Steffen Löschner
Solutions for production and logistics, process optimization, knowledge transfer
View Profile
Sandra Klinkenberg
Webinar Leader - Blackout Prevention and Preparation
View Profile
Bastian Bührig
Software Developer
View Profile
Jürgen Windheim
IT Project Manager
View Profile
Hardy Bürger
Project and Portfolio Manager
View Profile
Boris Hoeflich
Head of Product Management
View Profile
Jan-Philipp Schiele
IT Project Management Coach (Freelance)
View Profile
Oliver Fries
Senior Analytics Software Engineer & Tech Lead
View Profile
Stefan Zimmer
SAP Basis Consultant / SAP Technical Consultant
View Profile
Shaffi Shaik
Software Architect
View Profile
Gabriel Kaufmann
NewMedia
View Profile
Michael Fuhrmann
SAP-Security & Authorization Consultant
View Profile
