Objective
AN APPLICATION OF A PETROL/GAS ENGINE DRIVEN AIR SOURCE HEAT PUMP WAS BELIEVED TO BE FEASIBLE IN GRAIN DRYING IN ONE OF ITS MOST EFFICIENT WORKING MODES : SIMULTANEOUS HEATING AND COOLING. THE HEAT PUMP PRODUCES BOTH CHILLED AIR OF 4 - 5 DEGREES C (HEAT SOURCE), WHICH CAN BE USED FOR REFRIGERATED STORAGE OF UNDRIED GRAINS, AND HOT AIR WHICH IS USED FOR DRYING. IN THIS WAY, CHILLED TO 4 - 5 DEGREES C, GRAIN CAN BE STORED FOR 3 - 4 MONTHS. A DRYER CAN THEN BE UTILIZED OVER A PERIOD 2 - 3 TIMES LONGER THAN IS TYPICAL WITH CURRENT PRACTICE. A HEAT PUMP WHICH EXTRACTS 10 KW LOW GRADE HEAT FROM AIR (REFRIGERATING CAPACITY) WAS DRIVEN BY A 12 KW PETROL/GAS ENGINE. WASTE HEAT FROM THIS ENGINE IS ALSO RECOVERED. A 71 TONNE STORE CONTAINS THE GRAIN TO BE CHILLED AND A 6 TONNE BATCH DRYING UNIT HAS BEEN BUILT. THE PRESENT TEST RIG COULD HANDLE 933 TONNES OF GRAIN PER YEAR. AFTER CONSTRUCTION BOTH THE OUTPUT AND THE THERMAL EFFICIENCY WERE LOWER THAN EXPECTED. THE PER WAS LOW (1,1), MAINLY DUE TO THE LOW EFFICIENCY OF THE DRIVING COMBUSTION ENGINE (17 %), AND THE FACT THAT THE REQUIRED FAN POWER WAS MUCH HIGHER THAN ONE WOULD THEORETICALLY EXPECT. THE PAYBACK TIME IS 5 - 6 YEARS. OPTIMIZING THESE DESIGN ASPECTS WOULD ALLOW A PER OF 1,9, THIS WOULD ALLOW SUCH A INSTALLATION TO BE ECONOMICALLY ATTRACTIVE.
Fields of science (EuroSciVoc)
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Programme(s)
Multi-annual funding programmes that define the EU’s priorities for research and innovation.
Multi-annual funding programmes that define the EU’s priorities for research and innovation.
Topic(s)
Calls for proposals are divided into topics. A topic defines a specific subject or area for which applicants can submit proposals. The description of a topic comprises its specific scope and the expected impact of the funded project.
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Calls for proposals are divided into topics. A topic defines a specific subject or area for which applicants can submit proposals. The description of a topic comprises its specific scope and the expected impact of the funded project.
Call for proposal
Procedure for inviting applicants to submit project proposals, with the aim of receiving EU funding.
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Procedure for inviting applicants to submit project proposals, with the aim of receiving EU funding.
Funding Scheme
Funding scheme (or “Type of Action”) inside a programme with common features. It specifies: the scope of what is funded; the reimbursement rate; specific evaluation criteria to qualify for funding; and the use of simplified forms of costs like lump sums.
Funding scheme (or “Type of Action”) inside a programme with common features. It specifies: the scope of what is funded; the reimbursement rate; specific evaluation criteria to qualify for funding; and the use of simplified forms of costs like lump sums.
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Coordinator
CARLOW
Ireland
The total costs incurred by this organisation to participate in the project, including direct and indirect costs. This amount is a subset of the overall project budget.