Pns/paes Postharvest (241-250)

Front 1

air power

Back 1

part of the energy per unit time that is imparted by the fan to the air by increasing its total pressure from the inlet to the outlet

Front 2

back-flow

Back 2

when the air flow/movement produces by fan/blower starts to reverse direction

Front 3

pitot tube

Back 3

tube that is being connected to a manometer and is being used to measure the static and total force of air in the testing duct of fan/blower

Front 4

static air power

Back 4

part of the energy per unit time that is imparted by the fan/blower to the air in overcoming static pressure from the inlet to the outlet

Front 5

static pressure

Back 5

potential energy put into the system by the fan/blower and is given up to friction in the ducts and at the duct inlet as it is converted to velocity pressure

Front 6

throttling device

Back 6

conical structure or orifice rings that are being used at the end of testing duct of fan/blower to enable variation in air volumetric flow rate

Front 7

total pressure

Back 7

sum of the static and velocity pressure

Front 8

traverse point

Back 8

point in the duct at which measurement using pitot tube shall be done

Front 9

velocity pressure

Back 9

pressure along the line of the flow that result from the air flowing through the duct

Front 10

biomass furnace

Back 10

enclosed structure for intense heating by fire using any biomass like woodchips, corncobs and rice hulls as fuel

Front 11

hearth

Back 11

fire resistant surface located at the heating chamber of the biomass furnace

Front 12

workload

Back 12

materials to be processed (i.e. dried, burned, melted, etc.) using biomass furnace

Front 13

grate

Back 13

framework of metal bars or fire bricks used to hold biomass fuel in furnace for more efficient combustion

Front 14

Direct-fired biomass furnace

Back 14

Flue gas and other products of combustion goes into the dryer.

Front 15

Cyclonic

Back 15

Biomass fuels are fed on the combustion chamber in cyclonic manner using a blower.

Front 16

Step-grate

Back 16

Biomass furnace with combustion chamber that have stair-liked arrangement of grate.

Front 17

Gravity

Back 17

Biomass furnace that uses gravitational force on feeding the biomass fuel.

Front 18

Indirect-fired biomass furnace

Back 18

This type of biomass furnace shall use a heat exchanger to prevent flue gas and other products of combustion to go with the drying air.

Front 19

Dry type biomass furnace

Back 19

Uses ambient air to be heated inside or outside the heat exchanger and be used as drying air.

Front 20

Wet type biomass furnace

Back 20

Uses hot fluid as medium of heat transfer

Front 21

burning efficiency

Back 21

ratio of the actual and the theoretical heating value of fuel, expressed in percent

Front 22

furnace efficiency

Back 22

ratio of the heat transferred and heat available in biomass furnace, expressed in percent

Front 23

latent heat of vaporization

Back 23

heat absorbed by a unit mass of a material at its boiling point in order to convert the material into a gas without temperature change

Front 24

sensible heat

Back 24

heat absorbed or evolved by a substance during a change of temperature that is not

Front 25

biomass shredder

Back 25

machine used to cut biomass materials into strips

Front 26

chipping section

Back 26

part of a shredding machine which is used to cut or sliced twigs or small branches of trees into small and uniform sizes called chips

Front 27

hopper

Back 27

part of the biomass shredder where the biomass materials to be cut are loaded

Front 28

shredding efficiency

Back 28

ratio of the weight of the input biomass materials less unshredded biomass materials, to the total weight of the input biomass materials to the shredder, expressed in percent

Front 29

Stationary type

Back 29

Biomass shredder that is installed permanently and commonly provided with adjustable anchors to level up the machine during operation.

Front 30

Trailer type

Back 30

Biomass shredder that is commonly hitched to transport vehicle to facilitate mobility.

Front 31

Cart type

Back 31

Biomass shredder that is being manually pushed and/or pulled by a person to facilitate mobility.

Front 32

unshredded

Back 32

biomass material that is not totally cut into strips

Front 33

husk

Back 33

refers to the leafy outer/protective covering of an ear of corn as it grows on the plant

Front 34

dehusked corn dryer

Back 34

device for removing excess moisture from the ear of corn without husk, generally by forced or natural convection with or without addition of heat

Front 35

fruit

Back 35

ripened ovary or ovaries of a seed-bearing plant that are edible, usually sweet and in fleshy form

Front 36

fruit dryer

Back 36

device for removing excess moisture from the fruits, generally by forced or natural convection with or without addition of heat

Front 37

water activity

Back 37

ratio of vapor pressure of water in the product to the water vapor pressure of pure water at the same temperature

Front 38

Batch/Tunnel type

Back 38

Mechanical dryer wherein the sliced fruits in fixed volume are held in the drying chamber in batches until it reaches the desired moisture content.

Front 39

Tray/Cabinet type

Back 39

Mechanical dryer wherein fixed volume of sliced fruits are placed on perforated tray(s) in the drying chamber until it reaches the desired moisture content.

Front 40

Fuel burning

Back 40

This type of fruit dryer heats up the drying air by direct burning of fuel inside the heating chamber.

Front 41

Heat pump

Back 41

Fruit dryer type that heats the drying air through the use of reversed refrigeration system.

Front 42

coconut husk

Back 42

fibrous covering of a coconut fruit comprising of 30% fiber and 70% parenchymatous cells

Front 43

coconut coir

Back 43

slender and elongated fibrous materials extracted from coconut husk

Front 44

coconut peat

Back 44

fine and powder-like particles parenchymatous cells that are extracted from the coconut husk

Front 45

coconut coir decorticator

Back 45

machine to crush matured coconut husk through impact or beating action to separate coco fiber and coconut peat from the husk

Front 46

decorticating efficiency

Back 46

ratio of the weight of the input coconut husk partially and totally undecorticated coconut husk to the total weight of the input coconut husk to the decorticator, expressed in percent

Front 47

coir quality

Back 47

refers to the physical and morphological (e.g. tensile strength, maturity, color, fiber length and cleanliness) properties of fibers extracted