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1
Content available Vozdusnaa holodilnaa ustanovka kaskadnogo obmena davleniem
Krajniuk A., Klyus O.
Zeszyty Naukowe / Akademia Morska w Szczecinie
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2012
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nr 32 (104) z. 1
5--11
EN
This paper presents a new way to increase efficiency and reliability of air cooling machine (BMX) in terms of detander application and basic compressor of fundamentally new heat exchanger – Krajniuk’s cascaderecuperative pressure exchanger (KOD). The rules of KOD working circuit, during which BMX KOD working circuit is carried out and the primary thermal energy source can be the thermal energy of any origin, are described. The impact of adjustment on the cooling depth and efficiency of the device and the possibility to change the heat and mechanical work expenditure on the BMX KOD working circuit organization is given.
2
Content available Novye shemy i osobennosti rabocego processa gazoturbinnyh dvigatelej na baze kaskadnogo obmennika davleniem
Krajniuk A., Klyus O.
Zeszyty Naukowe / Akademia Morska w Szczecinie
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2012
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nr 32 (104) z. 1
17--25
EN
The paper describes the main directions of gas turbines improvement in terms of application of the cascade pressure exchange rules for air compression in the machine�fs working cycle. The final calculation results of the four variants of the working process organization on the base of the two-stage gas turbine compression unit with inter-cooling and heating of the gas medium are presented. Opportunities and provision of energy efficiency increase of cascade pressure exchange gas turbine by increasing the maximum temperature of the circulation and recirculation of waste heat gas compression are shown.
3
Content available Motematiceskaa model rabocego processa vozdusnoi holodilnoi masiny kaskadnogo obmena davleniem refriseratornyh sekcij morskogo transporta
Krajniuk A., Klyus O.
Zeszyty Naukowe / Akademia Morska w Szczecinie
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2012
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nr 32 (104) z. 1
12--16
EN
The article presents a mathematical model for determining the base regimes for common work of air cooling machine’s units with cascade pressure exchanger which allows to specify the device performance and thermal energy expenses. The final results of modeling and recommendations for the area of application are described.
4
Content available The cascade exchanger and new principles of the organization of working process of the sag-turbine engine
Klyus O., Krajniuk A.
Journal of Polish CIMAC
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2012
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Vol. 7, no 1
87-97
EN
Main trends of perfection of gas-turbine engines (GTE) by application of principles of the cascade pressure exchange (CPE) for air compression in the working cycle of gas-turbine plant have been analyzed. The results of computational investigation of four variants of the GTE working process organization on the basis of the two-staged compression assembly with intermediate cooling and heating of air-gas medium have been adduced. Possibility and reserve of raise of power efficiency of GTE with the CPE at the expense of increase in the maximum temperature of the cycle and recuperation of the residual heat of compressing gases have been shown.
5
Content available Compressor of cascade exchange by pressure
Krajniuk A., Klyus O.
Journal of Polish CIMAC
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2012
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Vol. 7, no 1
81-86
EN
A new method of organization of working cycle of device of direct transformation of heat in the located work of compression of air, based on principle of cascade exchange by pressure, is exposed; the results of pre-selection of basic dimensional and structural parameters of thermal compressor of cascade exchange by pressure are adduced; some special features of its working process are considered; main directions of perfection of working cycle of thermal compressors of cascade exchange of pressure are shown.
6
Content available The new devices of gas-turbine engines of ground transport on the basis cascade pressure exchanger of krajniuk
Krajniuk A.
Transport Problems
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2011
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T. 6, z. 2
107-119
EN
Main trends of perfection of gas-turbine engines (GTE) of transport plants by application of principles of the cascade pressure exchange (CPE) for air compression in the working cycle of gas-turbine plant have been analyzed. The principle of action and performances of work of heat compressor CPE realizing compression of working body on the whole at the expense straight convert inputting heat in disposing work of torrent with insignificant distraction mechanics work from shaft selection of power has been described. The results of computational investigation of four variants of the GTE working process organization on the basis of the two-staged compression assembly with intermediate cooling and heating of air-gas medium have been adduced. Application of units CPE in the capacity of compressing stage GTE opens the prospect of adaptations GTE performance by conditions of work in the capacity of forcing units of overland transport.
7
Content available The cascade exchange pressure supercharger of transport diesel with deep cooling cycle air
Krajniuk A., Krajniuk A.
Transport Problems
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2011
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T. 6, z. 3
67-76
EN
The new principle of the organisation of working process of the combined supercharging system of transport diesel with the Cascade Pressure Exchanger (CPE) has been described. It allows considerably to raise level of forcing of the engine by supercharging at the expense of expansion of effective air supply area and coolings of supercharging air to temperature below an ambient. Substantive postulates of imitating model of work of combined engine(CICE) have been stated. Some results of calculation-experimental investigations of supercharging system of the engine 6×Í12/14 have been given. It confirms the possibility of the essential improvement tractive and fuel-economic factors of the transport installations in broad range of the working conditions.
8
Content available Thermal compressor of cascade exchange by pressure
Krajniuk A.
Transport Problems
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2010
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T. 5, z. 1
15-22
EN
A new method of organization of working cycle of device of direct transformation of heat in the located work of compression of air, based on principle of cascade exchange by pressure, is exposed; the results of pre-selection of basic dimensional and structural parameters of thermal compressor of cascade exchange by pressure are adduced; some special features of its working process are considered; main directions of perfection of working cycle of thermal compressors of cascade exchange of pressure are shown.
9
Content available New principle of organization of working process of air conditioning systems at railway and sea transport
Krajniuk A., Krajniuk A.
Transport Problems
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2008
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T. 3, z. 3
89-93
EN
An indispensable component of ensuring safe control of railway and sea transport in conditions of hot climate is maintenance of comfortable temperature of air in control cabins and living spaces. Now the interest is restored to use the Air Refrigerating Plants (ARP) as they have a wide potential of low-temperature cooling without use of ozone-destructive cooling agents prohibited by decision of die Montreal meeting. At the same time, air conditioning installations on the basis of turbo-expanders have low refrigerating factor, they are very expensive in manufacturing and require a high level of maintenance service. Alternative trend of perfection of air refrigeration units is connected with a new principle of organization of working process, based on the use as expander and compressor of aggregates of cascade exchanger of pressure (CPE). Besides of unsurpassed efficiency of exchange processes, CPE is characterized by simplicity of design and high reliability, including, due to low frequency of rotation (2000-3000 min") with practically absence of consumption of mechanical energy on the drive of the rotor. The attractive aspect of application of equipment of conditioning with CPE is the opportunity of organization of working process only due to thermal energy including the utilization in the heat-power installation of transport vehicle.
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