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The problem of initiation and stabilization of detonation combustion of a hydrogen-air mixture injected into an axisymmetric channel with a finite-length central body in a flow with a Mach number M₀=5-9 is solved. It is numerically demonstrated that the presence of the central body both in a convergent-divergent nozzle and in an expanding channel leads to stabilization of detonation combustion of a stoichiometric hydrogen-air mixture at free-stream Mach numbers M₀>7. Various channel configurations that ensure different values of thrust generated by detonation combustion of a stoichiometric hydrogen-air mixture are compared.

The existence of axiradial acoustic resonance oscillations of the main air flow in bypass channels of aviation engines is demonstrated theoretically and experimentally. Numerical and analytical methods are used to determine the frequency of the acoustic resonance oscillations for the lowest modes of open and closed bypass channels of the PS-90A engine. Experimental investigations reveal new acoustic resonance phenomena arising in the air flow in the cavities of the bypass channels in the main duct of this engine owing to instability of the main air flow. The results of numerical, analytical, and experimental studies of the resonance frequencies reached in the flow in the bypass cavities in the main duct of the PS-90A engine are found to be in reasonable agreement. As a result, the types of the resonance oscillations in the bypass channels can be accurately described.

The example of two non-stationary forces is used to study the impact of external influences leading to the occurrence of additional ponderomotive forces on the wave modes of the film freely flowing down a vertical surface. In the first case, the ferromagnetic fluid film is affected by the electric field. For the given forces, in the case of small flow rates, the problem is reduced to the solution of a model equation for the perturbation of the film thickness. The numerical solutions of the problem are obtained, and several characteristic scenarios of evolution of periodical perturbations are considered. It is shown that changes in the boundaries of the region of linear stability of the unperturbed flow with a flat free surface under the influence of ponderomotive forces has a great impact on the flow.

In this article the theoretical approaches to the nature and contents of the category of «vital resource» are reflected. The results of the study allow us to state that the scientific interest to the problems of the human capital; its vital components are aspects insufficiently studied. The analysis of the main indicators of the formation and the tendencies of the vital resources development suggests that Russia lags far behind developed countries in the majority of the human development characteristics. Special attention is given to identifying factors and causes contributing to the poor quality of the life resources of the Russian population, which is extremely important on the background of the global trends of increasing value of a person. The measures to maintain and preserve the vital components of the human capital in terms of increasing physical shortage of the human resources in Russia are proposed. The synergetic approach to the study of the human capital allows to appreciate its vital elements through the interplay of economic, social, demographical, medical aspects in a new way, and change the vector of the scientific discourse towards the recognition of the Supreme value of human life resources.

The peculiarities of the development and use of human capital in industrial regions (on the materials of the Kemerovo region). It proposed an improved model of the «vicious circle» of reducing the human capital in the regions of this type. On the basis of economic and statistical analysis concludes that the reduction of wasted human capital. This is due to low return on investment and motivation to them, which leads to a reduction in human capital, even if it initially acceptable level and the availability of investment potential.

The article considers the possibilities of the software application for determination of comfort conditions of work with user interface. The search for such conditions is made using tests in accordance with Fitts’s and Hick’s laws. The algorithm and screenshots of dialog windows, presented in the article, demonstrate functional capabilities of the software application. A control element of the user interface, clicked by a user, is a «target» one. The article considers an example, where recommendations on provision of the required access time to the «target» control element were made. The software application can be used for custom settings of user interfaces of information systems for user with different level of training.

In the article are given the reasons for relevance of the main changes which need to be done in the monitoring of level and quality of life of citizens of advanced age by results of 5 years’ experiences. Approbation of the main innovations on increase and recalculation of quotas of a sample, updating of tools of research and inclusion of new contractors (interviewers from persons employed of Job centers for poll of the working elderly Muscovites) is had been decided to begin in 2016. From the XI stage of monitoring in all organizations of social servicing of system of social protection of Moscow responsible for carrying out monitoring these innovations have been implemented. One of the main innovations on attraction to carrying out poll of the independent interviewers (who are not employees of the system of work and social protection) assumes collection of specific information on elderly respondents by strangers. The senior generation of Muscovites represents diverse on structure a community: long-livers and ≪young≫ elderly, disabled people and persons without restriction of opportunities of health, participants and veterans of the Great Patriotic War, lonely (≪risk group≫) and having family, working and finished a labor activity, receiving the help from system of social protection (at home and in organization) and the elderly citizens of the capital who are not using services, etc. Besides, elderly Muscovites are hypochondriac, have feeling of uneasiness, subjectively experience vulnerability and uncertainty of the future. In view of age, psychological and other features of elderly Muscovites approbation of above-mentioned aspect of the organization and carrying out poll is planned to be carried out in only one of organizations with the subsequent distribution of results of experiment on other organizations participating in poll so far. During preparatory activities on carrying out experiment it has been found out that the new technology of the organization and procedure of carrying out poll is feasible: the interrogated groups of elderly respondents in general were not against to answer questions of the questionnaire to strangers, with understanding have treated ≪new≫ interviewers, have expressed readiness to participate in further research. At the following (XII) stage of carrying out complex monitoring of level and quality of life of elderly Muscovites the poll by forces of independent interviewers will also include not only those who can come for questioning to the organization independently, but also with other categories of respondents.

The goal of the present paper is to evaluate the increase of value of franchisee’s business obtained thanks to its participation in the franchise network. It is demonstrated that this increase of value is based on the lower level of risks of franchisee in comparison with an independent businessman because franchising as an entrepreneurial tool allows to reduce commercial, marketing, financial and legal risks. The notion of franchise premium was introduced to denote this increase of value. A method of evaluation of this franshise premium is proposed. This method is based on analysis of discounted cash flows obtained by franchisee and an independent within three possible scenarios (pessimistic, most probable and optimistic). Main advantages and disadvantages of the proposed method are described.

Theoretical and methodological problems of measuring the impact of the economy of territorial entities are discussed in the article; index of «economic growth» is offered as an integrated performance indicator. Authors presents in the paper a detailed analysis of the current state of scientific research in the study of factors and trends of national and regional dynamics; discussed in detail the impact of innovation on economic growth. The economy of the Novosibirsk region is taken as an object of study, an econometric model of federal subject is based in the form of the production function. Evaluation and interpretation of the model parameters is performed. Conclusions and recommendations are formulated. Federal State Statistics Service data for the 2003-2014 years served as an information base for the study.

We study a model of monopolistic competition of Dixit-Stiglitz type with retailer (intermediary). Retailer-monopolist deals with a continuum of producers and «representative» consumer. The behavior of each producer is described by the linear costs; each producer produces one type of goods («variety») and sets the price of the goods. Preferences of the representative consumer describes by a quadratic utility function that corresponds to the linear demand. The retailer, being a market leader, chooses a number («mass») of producers and retail premium. We study the various variants of the retailer’s behavior under «zero-profit condition» («free entry and exit»: producers are free to enter the market if their profit is positive, and may leave the market, as soon as their profit becomes negative). We study what kind of the retailer’s behavior is most favorable for each of the market players: for the retailer, for the representative consumer, as well as for the society.