4Jtech s. r. o. (Ltd.) is a small, technologically oriented company focused on research in modern measuring techniques, especially in the field of fluid mechanics and thermodynamics. Our company was established in 2015 as a spin-off company to the Czech Technical University in Prague, Faculty of Mechanical Engineering, Department of Fluid Dynamics and Thermodynamics. In the last seven years we have grown up to a self-standing small business company with almost thirty employees and several mid- and long-term business partners from the automotive, aircraft industry and almost all the main universities in Czech Republic.

Our mission is to serve the industrial and academic community with reliable data obtained from well-designed modern measuring techniques and systems, as well as to deliver modern laboratory experimental measuring equipment to the university environment.

Our current main areas of focus are as follows:

  • Automotive engineering
  • Aviation and aerodynamics
  • Power engineering
  • CFD models and analysis
  • Microelectronics
  • Modern agriculture

We have our own production program, either for general research or for the industrial field, but among our most important activities is the custom design, testing and calibration of measurement devices and whole measurement systems suited for particular technical applications in accordance with the requirements and needs of our customers. More detailed information on our products and custom-made design can be found in the Products section and its links.

At the same time, we also provide measurement services in the field of aero- and thermodynamics. More detailed information can be found in the Services section.

Information about our History, Present, Way of working and about our Partners and customers.

Within our portfolio we offer:

  • Realization of measurements
  • Deliveries of measuring instruments from our portfolio
  • Development and manufacturing of new tailor-made measuring equipment
  • Consulting activities

We draw our knowledge mainly from our more than 10 years of work at the Czech Technical University in Prague where we have been involved in a number of contractual and grant projects. We have sufficient laboratory and technical facilities, as well as the necessary personnel capacity in the field of fluid mechanics, thermodynamics, microelectronics, instrumentation and control technology.

We are therefore the ideal partner for solving the entire spectrum of multidisciplinary, technically oriented scientific research tasks.