Investigations
CHP Micro-gym
One of the new promising directions of modern energy, complementing the centralised energy sector, is the distributed energy sector, where electricity is produced in cogeneration with heat. There is a number of distributed energy technologies with low power generation and heat. According to our knowledge, the shortest time horizon is associated with the use of Rankine steam circuits for low boiling agent (Organic Rankine Cycle - ORC) in a micro-power plant. On this basis, the concept of Home Micropower Plant was created at the Institute of Flow Machinery PAS. This ORC micropower plant is designed to produce electricity and heat for domestic use [I/7]. In the future, the CHP plant will replace conventional boilers for heating objects such as: single-family cottages, multi-family houses, settlements, etc. Gabaritically, the boiler with the Micro power plant will be very different from the heating boiler to date, but it will generate electricity in addition to the heating function.
Thermodynamics for a cogeneration gym
As part of the statutory work and the key project, work was carried out on issues related to the development of concepts, analysis of working factors and parameters of circulation, and analysis of the structural solutions of the basic components of the CHP steam power plant working in Rankine's circulation for low boiling agent [I/4, I/5, I/6, I/7, I/15, I/16, I/17, I/18].
Condensation of water vapour in condensers
In 2010, work on the issue of condensation of water vapour from steam-air mixture in condensers continued. This issue is theoretical and utilitarian.
The objectives of the work are:
- developing an effective method and system of suction of inert gases from capacitors
- continuation of work on tubular bundle optimization in heat circuit capacitors
Cooling with free streams
Work was continued in 2010 to develop an effective cooling method using single-phase flow in free-flows.
The aim of the work is to develop an effective method of cooling the solid surface, which can be used in micro heat exchangers using microstrings. Liquid structures are also used in steel and plastic production processes to maintain proper temperature during the process. This method is also used for cooling lasers, high-loaded computer processors and other electronic components, machine components and internal combustion engines.
The studies concern heat exchange in planks and liquid films, and in particular surface cooling by a single-phase spray. The aim of the work is to learn about the problem of taking over heat in the individual areas of the flow of the stream on a flat surface, with particular emphasis on the impact of the hydraulic fault arising at the transition of supercritical flow into subcritical on the heat transfer factor.