Jaggery is an essential ingredient in the food. Due to its medicinal properties, it keeps humans away from diseases. So it is imperative to make good quality jaggery.Mechanical and thermal energy are used to manufacture jaggery. Effective utilization of these energies is essential for better efficiency of jaggery plant. Current single-pan jaggery plants are 14.75%-24.36%. efficient. Due to its low efficiency, jaggery traders suffer losses, and the quality of jaggery also differs. To solve this problem, it is necessary to use a new operating system. In the modified plant, a conventional single pan with the open-hearth furnace is replaced by a single open pan heat exchanger and thermic fluid heater to cope up with above mentioned losses. First batch of modified plant has an efficiency of 74.84%, whereas it has been improved to 96.49% for the second batch due to the removal of stack losses. Process time for this plant has been reduced by 13%-27% for first batch and 29%-44% for second batch as compared to the conventional plant.
Energy, cost, and environmental concerns play a vital role in understanding governing parameters of distributor design in falling film evaporators. Distributor design is a hidden parameter in many experimental papers. The uniform distribution of liquid refrigerant over the tube bundle mostly depends on two‐phase liquid refrigerant and vapor refrigerant. This work conducted experiments with two distribution systems with and without separation of liquid‐vapor refrigerant after expansion valve for the same evaporator capacity with R134a as a refrigerant. Results reveal that; separating vapor refrigerant has a positive impact on the approach of the evaporator with an open system distributor arrangement. The highest delta T and lowest practice are found at a heat flux of 13.97 kW/m2 with an available system distributor compared to a closed system with a heat flux of 14.25 kW/m2. The open system arrangement in the distributor is the novel parameter for distributor design, ensuring uniform distribution with minimum pressure drop and dry suction. An open system distributor has an average 16.1% capacity increase over a closed system. The experimental analysis helps to understand different parameters for the design of distributors in falling film evaporators for uniform distribution.
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